Patent Grant
10194763
The present application relates generally to the field of devices and valves for dispensing heated flowable materials from containers. The present application relates more particularly to the field of devices and valves for dispensing heated flowable materials such as food products from flexible packages.
Flowable food products, such as condiments and sauces, are typically viscous fluids that are dispensable onto a receiving food product. For example, ketchup, mustard, cheese sauce, or chili sauce may be dispensed from a dispenser onto a hot dog, burger, or nachos at a convenience store or sporting venue. Cheese sauce and chili sauce are typically heated in the dispenser to maintain sterility and provide a customer expected temperature. The dispenser typically includes a housing or hopper configured to support a refillable, reloadable, or replaceable reservoir (e.g., container, sealed package, bag, box, carton, etc.), a heating element, and a valve configured to regulate the flow from the reservoir. The valve may be manually operated or may be or include a motorized pump. Motorized pumps increase the cost and complexity of the dispenser, while manually operated systems may leave un-evacuated food product in the reservoir, unused. Accordingly, there is a need for a manual system that more completely evacuates the reservoir.
One embodiment relates to a system for dispensing a flowable food product from a reservoir. The system includes a valve having a lever that rotates about an axis of rotation. The axis of rotation is positioned outside the reservoir and does not pass through the reservoir.
Another embodiment relates to a system for dispensing a flowable food product from a reservoir, a wall of the reservoir having a hole therethrough allowing flowable food product to exit the reservoir. The system includes a valve having a base member having a first opening passing therethrough and a moving member having a second opening passing therethrough, the moving member configured to slide relative to the base member between a closed position in which the first opening and the second opening do not overlap and an open position in which the first opening and the second opening overlap. When the moving member is in the open position, an axis extending through the first opening and the second opening extends through the hole in the reservoir.
The foregoing is a summary and thus, by necessity, contains simplifications, generalizations, and omissions of detail. Consequently, those skilled in the art will appreciate that the summary is illustrative only and is not intended to be in any way limiting. Other aspects, inventive features, and advantages of the devices and/or processes described herein, as described in the claims, will become apparent in the detailed description set forth herein and taken in conjunction with the accompanying drawings.
Referring generally to
Before discussing further details of the dispenser, the valve, and/or the components thereof, it should be noted that references to “front,” “back,” “rear,” “upward,” “downward,” “inner,” “outer,” “right,” and “left” in this description are merely used to identify the various elements as they are oriented in the FIGURES. These terms are not meant to limit the element which they describe, as the various elements may be oriented differently in various applications.
It should further be noted that for purposes of this disclosure, the term “coupled” means the joining of two members directly or indirectly to one another. Such joining may be stationary in nature or moveable in nature and/or such joining may allow for the flow of fluids, electricity, electrical signals, or other types of signals or communication between the two members. Such joining may be achieved with the two members or the two members and any additional intermediate members being integrally formed as a single unitary body with one another or with the two members or the two members and any additional intermediate members being attached to one another. Such joining may be permanent in nature or alternatively may be removable or releasable in nature.
Referring to
The frame 110 includes a support bracket 116 that is supported by the upper portion 114 and configured to at least partially support a pan assembly 130. The support bracket 116 is shown to include a pair of spaced apart top rails 118, a pair of spaced apart rear rails 120 extending downward from the top rails 118, and a cross-member 122 extending between the rear rails 120. A rear portion 124 (e.g., cage, brace, buttress, support, etc.) of the frame 110 supports the rear housing 170. According to the embodiment shown, the rear portion 124 contacts the rear housing 170 to provide stiffness thereto, thus facilitating movement of the dispenser 100 and imparting a feeling of quality to the dispenser 100.
According to the exemplary embodiment shown, the frame 110 is assembled from the plurality of separate components and is configured to be freestanding, i.e., it does not rely upon the front housing 160 or the rear housing 170 to provide support to the frame 110. According to other embodiments, the frame 110 may be formed as a single piece (e.g., cast metal, cast aluminum, injection molded plastic, etc.). Using a metal frame provides greater strength and reduces cracking relative to plastic, thereby reducing downtime of the dispenser 100. Further, the increased strength of the metal frame 110 enables a reduced cross-section of the neck 111 of the frame 110, thereby increasing the fore-aft depth of the zone 102. An increased fore-aft depth of the zone 102 increases the ability to dispense flowable food product onto receiving products having a greater diameter (e.g., the valve may be centered over a larger diameter plate of chips).
The pan assembly 130 may include a body 132 configured to be located between the pair of top rails 118 and the pair of rear rails 120. The pan assembly 130 may include one or more thermally conductive walls or plates and one or more heating elements 144 coupled to the one or more of the walls. As shown, the body 132 includes a bottom wall 134 defining an opening 136. The opening 136 is configured to receive the fitment 210 of the bag 200 (see
The pan assembly 130 further includes sidewalls 140 extending upward from the bottom wall 134 and the sloped wall 138 to an upper region 148. The sidewalls 140 include openings or recesses configured to receive the thermally conductive plates 142. The thermally conductive (e.g., metallic, etc.) plates 142 distribute heat from the heating element 144. The heating element 144 is shown to wrap underneath the body 132 and to hold the plates 142 between the heating element 144 and a plurality of clips. One or more of the thermally conductive plates 142 may define a hole 145 configured to receive a temperature sensor 146. Using thermally conductive plates 142 facilitates conducting heat from the heating element 144 to the flowable food product while limiting the temperature rise of other portions of the pan assembly 130, thereby increasing energy efficiency. According to some embodiments, other portions of the pan assembly 130 may be formed of less thermally conducting materials or thermally insulative materials, thereby retaining heat, increasing energy efficiency, and reducing undesirable temperature rise in other portions of the dispenser 100. According to other embodiments, the plates 142 may be the heating elements, and the sleeve (shown as heating element 144) may be a heat conducting or spreading element. According to various embodiments, the heating elements 144 may be of any suitable type (e.g., resistive, inductive, radiant, etc.). According to one embodiment, the heating elements 144 may include electromagnetic coils configured to induce a current, and thereby heat, the plates 142, which in turn conductively heat the flowable food product. Use of induction heating may provide lower energy costs and reduce undesirable temperature rise in other portions of the dispenser 100, for example, plastic and aluminum components (e.g., the housing 160, 170, the frame 110, etc.) will not heat in response to the magnetic field.
The extension height of the heating elements 144 and/or plates 142 from a bottom of the pan assembly 130 (e.g., proximate the opening 136) towards a top of the pan assembly 130 (e.g., furthest from the opening 136) is highly configurable. In one embodiment, the heating elements 144 and plates 142 do not extend more than half the height of the pan assembly 130. In another embodiment, the height of the heating elements 144 and plates 142 is configured to match or substantially match a height of the reservoir or bag of flowable product used with the dispenser 110. By limiting the height of the heating elements 144 and/or plates 142 in the pan assembly 130, the heat-conducting region in the pan assembly 130 is limited. Beneficially, limiting the heat-conducting region reduces the amount of heat that is conducted to the air surrounding and above the reservoir. Accordingly, when in use, heat transferred to the surrounding air is reduced to limit the expansion of the surrounding air from the heat to, therefore, increase the efficiency of the dispenser 110. Of course, in other embodiments, the relative height of the heating elements 144 and/or plates 142 is highly configurable with all such variations intended to fall within the spirit and scope of the present disclosure.
The upper region 148 has a structure 150 (e.g., lip, boss, flange, buttress, etc.) configured to be supported by the top rails 118. The upper region 148 includes one or more projections (e.g., bosses, hooks, etc.) shown as studs 152, configured to be received by corresponding support holes 208 provided in the bag 200, thereby allowing the bag 200 to be hung substantially vertically. According to another embodiment, the projections may extend from or be directly coupled to one or more of the top rails 118 of the frame 110. According to another embodiment, the bag 200 may be lowered into the dispenser 100, and the body 130 may be configured to hold the bag 200 in a substantially upright position. For example, the sidewalls of the body 132 (or body 732 of
Hanging the bag 200 substantially vertically in a relatively tall narrow cavity and in contact with the thermally conductive plates 142 may increase the surface area relative to volume of the bag 200, and maximizes the direct physical contact between the portions of the bag 200 containing flowable food product and the thermally conductive plates 142. This causes a more efficient heat transfer from the heating elements 144, through the plates 142, through the bag 200, and into the flowable food product, resulting in reduced energy costs and more quickly raising the temperature of the flowable food product to operating temperature. Using a conductive heat transfer method provides a more efficient and consistent temperature in the flowable food product as compared to convection heating used in typical flowable food product dispensers. Further, the vertical orientation of the bag 200 inhibits folding or wadding of the bag 200, which improves evacuation efficiency and reduces air gaps between the bag 200 and the plates 142, thereby improving heat transfer.
Further, by locating the temperature sensor 146 on one of the walls of the pan assembly 130, the temperature sensor 146 is in direct contact with the bag 200, thereby obtaining a more direct and accurate temperature measurement of the flowable food product inside the bag 200 as compared to approximating the temperature of the flowable food product inside the bag 200 based upon a measurement of the temperature of the air in the dispenser 100, as is done in typical flowable food product dispensers. Obtaining a more accurate temperature measurement of the flowable food product facilitates more energy efficient control of the heating elements 144 (e.g., less overheating), maintenance of a more consistent temperature (which may improve flavor consistency), and increased confidence that the flowable food product stays above a minimum safe temperature. The lifespan of the flowable food product once the bag 200 has been opened decreases as the temperature of the flowable food product increases. Accordingly, more accurate and consistent control of the flowable food product to maintain the temperature of the flowable food product just above the minimum safe temperature prolongs the potential dispensing life of the flowable food product. Further, placing the temperature sensor 146 near the opening 136 (e.g. in the bottom wall 134) provides a measurement of the next portion of flowable food product to be served from the dispenser. According to another embodiment, the pan assembly 130 may include multiple heating elements that may be independently controlled, thereby allowing different portions of the flowable food product to be heated differently, and thereby facilitating a more even distribution of temperature throughout the flowable food product. According to one embodiment, a signal from the temperature sensor 146 may cause a display (e.g., LED, LED display 147, LCD display, video screen, etc.) to indicate that the temperature of the flowable food product is within acceptable operating parameters. The display may also be configured to alert a user if power to the dispenser has been disrupted, which could indicate the temperature of the flowable food product fell outside of acceptable temperature ranges. According to various embodiments, components of the dispenser 100 (e.g., heating elements 144, etc.) may be controlled by a control system (e.g., control system 1400, described in more detail below) having processing electronics (e.g., processing electronics 1406, described in more detail below), which may be configured to receive a signal from the temperature sensor 146.
The pan assembly 130 may include a front surface 131. The front surface 131 may include graduated marks 133. The graduated marks 133 indicate to a user the amount (e.g., level, proportion, etc.) of flowable food product remaining in the bag 200. The vertical orientation of the bag 200 and the relatively narrow cavity 172 hold the flowable food product in an orientation that facilitates the use of graduated markings. The graduated marks 133 may be particularly advantageous for determining a usage rate (e.g., ounces per hour, volume per time, etc.) of flowable food product, and, in turn, facilitates determining when to begin heating the next bag of flowable food product. For example, (time to heat a bag of flowable food product to operating temperature) times (usage rate in volume per time of the flowable food product) equals (volume remaining in the dispenser at which point the next bag should begin heating).
An actuator housing 154 may be coupled to the frame 110 and/or the pan assembly 130. The actuator housing 154 passes over a sleeve 158 that extends downward from the opening 136 and is configured to receive the fitment 210. The actuator housing 154 supports an actuator, shown as a button 156 that passes through the sleeve 158 and is interconnected with a valve. The button 156 is configured to receive an actuating force and/or motion from a user and transfer that force or motion to a valve, thereby allowing flowable food product to be dispensed. According to the embodiment shown, the sleeve 158 may extend below the actuator housing 154 to provide a visual indicator to a user of the location of the stream 252 of the dispensed flowable food product. According to other embodiments, the sleeve 158 may not extend below the actuator housing 154 and/or the valve, thereby reducing the likelihood that flowable food product may contact the sleeve 158 during opening or closing of the valve.
The rear housing 170 is supported by the frame 110 and at least partially defines a cavity 172 in which a pan assembly 130 and the bag 200 reside when the bag 200 is in an installed position. The rear housing 170 prevents inadvertent contact with hot components of the dispenser 100. The rear housing 170 may be formed of any suitably durable material, for example, a low-cost, lightweight plastic.
The front housing 160 is also supported by the frame 110. For loading and unloading of the bag 200 into the dispenser 100, the front housing 160 may simply be removed (e.g., lifted off of, etc.) from the frame 110 in order to provide access to the pan assembly 130. According to another embodiment, the front housing 160 may be hingedly coupled to the frame 110.
According to one embodiment, the front housing 160 is coupled to a shield 162 that is positioned proximate the pan assembly 130 when the front housing 160 is connected or coupled to the frame 110. The shield 162 is configured as any type of thermally insulating and/or radiating shield 162. In one embodiment, the shield 162 is configured as a radiating shield (e.g., foil such as aluminum, etc.) such that heat from the heating elements 144 is reflected from the shield 162 back towards the bag 200 to increase the heating efficiency of the dispenser 100. In another embodiment, the shield 162 is configured as a thermal insulator that is configured to absorb the heat that radiates from the heating elements 144, plates 142, and/or bag 200. In still another embodiment, the shield 162 may comprise any combination of insulating and radiating materials and in any locations (e.g., a radiation part on the front portion proximate the actuator housing 154 and an insulator part on the top portion proximate the upper region 148, an insulator part on the front portion proximate the actuator housing 154 and a radiation part on the top portion proximate the upper region 148, etc.). Advantageously, the shield 162 may substantially prevent heat from radiating outside of the pan assembly 130 to not only focus the heat on the bag 200 but to reduce the warming of the exterior components, such that users are less likely to experience a part that is hot-to-the-touch.
Referring to
The dispenser 700 is shown not to include a rear portion (compare rear portion 124 in
The dispenser 700 includes a pan assembly 730, a body 732 of which may be supported by and located between the pair of top rails 718 and the pair of rear rails 720. The pan assembly 730 is shown to be formed of as a single piece. The continuous, smooth opening of a single body 732 facilitates cleaning and heat distribution, and reduces the possibility of the bag 200 snagging during insertion; however, it is contemplated that the pan assembly 730 may be formed of multiple pieces (see, e.g., plates 142 in
The body 732 is shown to include a bottom wall 734 defining an opening 736. The opening 736 is configured to receive the fitment 210 of the bag 200 (see
As shown, a fitment acceptor 780 is received in the opening 736. The fitment acceptor 780 includes an upper flange 782 and one or more sidewalls 784 (shown to include forward sidewall 784a and rearward sidewall 784b) extending down from the upper flange 782. The interface 786 (e.g., corner, edge, etc.) between the upper flange 782 and the sidewalls 784 is chamfered (e.g., angled, softened, rounded, etc.) to guide the fitment 210 and/or valve 300, 400, 500, 800 into an installed position when the bag 200 is lowered into an installed position. According to the exemplary embodiment shown, the forward sidewall 784a and the rearward sidewall 784b have different radii of curvature, each of which corresponds to a radius of curvature at the respective front and rear ends of the fitment 210. Accordingly, the differing and corresponding radii prevent the fitment 210, and therefore the bag 200, from being improperly installed (e.g., backwards). Further, the particular shape of the fitment acceptor may inhibit an improper product (e.g., chili versus cheese, plain versus jalapeño, etc.) from being installed into the dispenser 700, if the various products include differently shaped fitments. According to the embodiment shown, the upper flange 782 of the fitment acceptor 780 sits flush with the bottom wall 734 to prevent snagging of the bag 200, and my be removed from the dispenser 700 to facilitate cleaning. According to the embodiment shown, a second acceptor 780′ may be stored in a compartment 788 at the rear of the dispenser 700. The second acceptor 780′ may be a spare acceptor 780, or may have a different shape for receiving different flowable food products. As shown, a cosmetic cover 789 may be coupled to the rear housing 770 to support and conceal the second acceptor 780′ and to conceal fasteners holding the dispenser 700 together.
During installation of the bag 200, the front housing 760 may be removed from the frame 110 or rotated out of position to expose the cavity 772. A bag 200 in the dispenser 700 may be lifted out of the cavity 772, and another bag 200 may be lowered into the cavity 772. The chamfered interface 786 guides the fitment 210 into an installed position. Accordingly, the user may hold the bag 200 only from the top and need not touch or manipulate the fitment. This advantageously improves hygiene by reducing touching of the fitment and keeps the user's hands away from the pan body 732 to facilitate hot swapping of the bag 200.
Referring to
The dispenser 700 includes an actuator housing 754, which supports an actuator, shown as a button 756. The button 756 is shown to include a plunger 751 and a cap 753. Forming the button 756 of two pieces enables different colored or textured caps to be used on the button 756, for example, to indicate different types or flavors of flowable food product. According to other embodiments, the button 756 may be a unitary piece.
The button 756 is configured to receive an actuating force and/or motion from a user and transfer that force or motion to the valve 800, thereby allowing flowable food product to be dispensed. According to the embodiment shown, the actuating force is a press (e.g., depress, push, etc.), but other embodiments are contemplated in which the actuation force is a pull or turn.
A spring 755 extends between a flange or ledge 757 on the button 756 and a rear wall of the actuator housing 754. The spring 755 causes the button 756 and the valve 800 to return to a closed position when the actuating force is reduced or removed from the button 756. Accordingly, because the spring 755 is part of the actuator assembly and acts on the button 756, no spring is needed on the valve 800. This can reduce the complexity of the valve, reduce the part cost of the valve, and reduce the possibility of the spring being contaminated with flowable food product, which may reduce the spring's ability to operate. As will be described below, the plunger 751 is configured to engage the valve 800 to both push the valve 800 open and pull the valve 800 closed. According to another embodiment, a second plunger may be located behind the valve, opposite the plunger 751 and spring loaded in the same direction. In such an embodiment, a spring attached to the second plunger is compressed by the slider of the valve when the valve is moved toward the open position, and the spring attached to the second plunger pushes the valve closed when opening force is removed from the plunger 751. Having two springs distributes the resisting load, allowing for smaller springs, and enables different spring rates to be chosen for the two springs to calibrate the feel of the actuation versus closing of the valve.
The forward sidewall 784a and the corresponding interface 786 of the fitment acceptor 780 extend over the plunger 751 and away from the rear wall of the actuator housing. Accordingly, the fitment acceptor acts as a guard (e.g., shade, umbrella, etc.) to divert any spilled flowable food product away from the plunger 751 and any joints in the housing, thus increasing hygiene and facilitating cleanup.
The actuator housing 754 is further shown to include a mount 790 configured to receive a light (LED, laser, bulb, etc.; not shown). Referring to
According to another embodiment, the beam 792 may be diffuse such that an area on the top surface of the receiving product along axis F is illuminated. For example, the beam 792 may form a cone, and the cone may be oriented that the axis F extends within the cone up to a height of approximately 3 inches to approximately 4 inches (e.g., approximately 7 to 10 cm) above the surface of the base 712. According to another embodiment, the dispenser 700 may include a second mount 790′ configured to orient a second light to project a second beam 792′. According to various embodiments, the first and second beams 792, 792′ may be oriented to intersect at the indicated spot 794, or at a distance above or below the surface of the base 712 along the axis F. The first and second beams 792, 792′ may be oriented to illuminate the base 712 at symmetrically opposite sides of the axis F. Accordingly, the axis F would remain between the two illuminated points or areas, regardless of the height of the receiving product, thereby providing a user an indication of where the flowable food product will land on the receiving product.
Referring to
Referring briefly to
A valve 300, 400, 500, 800, 1000, 1800 may be coupled to the fitment 210 to selectively allow flowable food product to flow from the bag 200 through the valve 300, 400, 500, 800, 1000, 1800. As will be described in more detail below, the valves may be integrated into the fitment 210. That is, the valve 300, 400, 500, 800, 1000, 1800 may be part of the fitment 210 when the fitment is coupled to the bag 200 or the valve may be part of the cap used to seal the bag 200 closed, such that the customer receives a bag 200 with fitment 210 and valve 300, 400, 500, 800, 1000, 1800 attached. According to other embodiments, the valve 300, 400, 500, 800, 1000, 1800 may be coupled to the fitment 210. That is, the valve 300, 400, 500, 800, 1000, 1800 may be a separate component that may be snapped or screwed onto the fitment 210 by the customer.
While many valves, both novel and known in the art, may be used with the bag 200 and the dispenser 100, 600 described herein, five exemplary embodiments of valves will be described in detail below. Each of the valves 300, 400, 500, 800, 1000, 1800 is a gravity fed valve. That is, there is no pump required, thereby reducing the production and operating costs of the dispenser 100 while increasing reliability. Each of the valves 300, 400, 500, 800, 1000, 1800 is configured to permit the flowable food product to fall straight down from the bag 200 to the receiving product. Such a straight drop facilitates better evacuation of the bag 200 and reduced loss of flowable food product left outside of the bag in hoses or tubes. The straight drop also facilitates a more instant dispensing of the bag, without having to fill or prime the system (e.g., tubes, hoses, valves, pumps, etc.) before the flowable food product is dispensed, thereby resulting in quicker confirmation that the bag is installed properly and overall faster bag exchanges. The valves 300, 400, 500, 800, 1800 are configured to minimize the distance between the valve and the bag 200, which keeps the valves closer to the heating element and reduces the amount of flowable food product that is in the system (e.g., tubes, hoses, etc.) but thermally remote from the heating element, thereby facilitating maintenance of the flowable food product within acceptable operating temperatures and dispensing of more consistent flowable food product.
Referring to
The first lever arm 331 is configured to receive an actuating motion from the user (for example, via the button 156 on the dispenser 100) and transfer that motion to the second lever arm 332. Accordingly, the lever 330 rotates between a first position, shown for example in
Piercing portion 340 is shown to include a plurality of teeth 342 to pierce the bag 200 and form a substantially U-shaped rip therein. The U-shaped rip in the bag 200 forms a flap 220 which remains attached the bag 200 and, therefore, does not create a free-floating piece of material in the flowable food product. Further, as shown, in
As shown, for example, in
Accordingly, the valve 300 performs the dual function of first creating an opening in the sealed, sterilized bag 200 and then selectively opening the valve 300 to dispense the flowable food product from the bag 200, using the same motion. That is, the initial actuation of the valve 300 both opens the bag 200 and dispenses the flowable food product. Accordingly, installation of the bag 200 into the dispenser 100 is simplified, and the bag 200 remains sealed as long as possible to retain freshness of the flowable food product.
Referring to
One or more feet 326 extend downward from the second lever arm 332 to space the second lever arm 332 apart from the floor 320 of the fitment 310. Providing a gap between the floor 320 and the second lever arm 332 facilitates closure of the valve 300 (i.e., entry of the plunger 336 and to the opening 322) despite the presence of flowable food product, or particulates therein, between the second lever arm 332 and the floor 320, thereby reducing inadvertent drips of flowable food product from the dispenser 100. For example, the feet 326 help to prevent the valve 300 from being stuck open by particulates (i.e., beans, meat, chili sauce, chili cheese sauce, etc.) in the flowable food product between the second lever arm 332 and the floor 320.
The valve 300 includes a spring configured to prevent the valve 300 from opening accidentally and to ensure that the plunger 336 returns into the opening 322, thereby stopping the flow of the flowable food product when the button 156 is released. According to the exemplary embodiment, the spring includes a resilient member, shown as finger 360, extending from the first lever arm 331. The finger 360 contacts and pushes against a tab (e.g., flange, member, tab 324, etc.) near the axis A of rotation in order to provide a closing force (e.g. pushback) in response to a small deflection, thereby improving the lifespan of the finger 360. Attaching the finger 360 to the bottom of the first lever arm 331 facilitates assembly of the lever 330 into the fitment 310. That is, the finger 360 deflects and snaps into position after insertion into the fitment 310 through the gap 356.
A pair of beams 362 of first lever arm 331 are located on either side of the finger 360 to protect the finger 360 from interference. While the finger 360 contacts the tab 324, the beams 362 pass along either side of the tab 324 allowing rotation of the lever 330.
As shown, the first lever arm 331 extends at an angle forward of vertical, which allows a greater angle of rotation of the lever 330 before the first lever arm 331 extends below the opening 322 and into the stream of flowable food product. According to the exemplary embodiment shown, when lever 330 is in the first position, the first lever arm 331 extends forward at an angle of approximately 22 degrees from the vertical. Accordingly, based on the length of the first lever arm 331, the lever 330 may rotate approximately 60 degrees without the first lever arm 331 interfering with the stream of flowable food product from the dispenser 100. For the length of the second lever arm 332 shown, rotation of about 60 degrees provides sufficient clearance for flowable food product to pass under the second lever arm 332 and out through the opening 322.
Shrouds 328, shown as left shroud 328a and right shroud 328b, extend downward from the sidewalls 314 of the fitment 310 to protect the first lever arm 331 from lateral forces and from accidental operation. One or more ribs 329 extend substantially vertically along the shroud 328 to provide strength to the shroud 328 and to facilitate alignment of the fitment 310 into the opening 136 during installation of the bag 200 into the dispenser 100.
Referring to
Referring to
When the probe 420 moves from the shipping position to the operating position, teeth 442 of the piercing portion 440 pierce and rip open the bag 200. The teeth 442 are shown to include a first tooth 442a that is taller than the remaining teeth 442. The first tooth 442a is closest to the bag 200 when the probe 420 is in the shipping position than are the remainder of the teeth 442. Accordingly, the first tooth 442a first contacts and pierces the bag 200, thereby facilitating the other teeth 442 to rip open the bag 200. The teeth 442 are configured to contact the surface of the bag 200 sequentially, thereby reducing the contact area and increasing the piercing/tearing pressure at each tooth 442. The teeth 442 form a substantially U-shaped rip opening in the bag 200. The U-shaped rip opening in the bag 200 forms a flap 220 which remains attached to the bag 200 and, therefore, does not create a free-floating piece of bag material in the flowable food product.
Referring to
As best seen in
Referring to
As seen in
Referring to
Referring to
During operation, the button 156 is interconnected with the front of the slider 450 so that as the user actuates/pushes the button 156, the slider 450 is pushed from the closed position toward the open position, which causes the opening 426 and opening 454 to overlap, thereby opening the valve 400. A spring (not shown) may be interconnected to the slider 450, for example, exerting a force against a rear end of the slider 450, to provide a return force that moves the slider 450 from the open position towards the closed position.
According the exemplary embodiment described, more costly components (e.g., spring, button, etc.) do not come in contact with the flowable food product and therefore may be reusable. Preferably, one or more components of the valve 400 (e.g., fitment 410, probe 420, and/or slider 450) are formed of one or more compatible materials to facilitate recycling of the valve 400.
Referring to
The probe 520 includes threads 522 configured to engage threads 516 on the outward extending wall 514 of the fitment 510. As the probe 520 is advanced (e.g., rotated, threaded, tightened, etc.) onto the fitment 510 from a first or shipping position (see, e.g.,
According to an exemplary embodiment, the length of advancement (i.e., the distance between the shipping and operating positions) may be configured such that a portion of the piercing portion 540 remains inside the fitment 510 below the bag 200, thereby allowing flowable food product to flow down into (e.g., pour into) the valve 500 and thereby achieving a more complete evacuation of the bag 200. According to an exemplary embodiment, the pitch of the threads 516, 522 and the length of advancement may be configured such that the piercing portion 540 forms a 180 degree to 270 degree cut in the bag 200 to form a U-shaped flap 220. According to a preferred embodiment, the pitch of the threads 516, 522 and the length of advancement may be configured such that the length of the flap 220 is less than the distance from the bag 200 to the opening 526, thereby preventing the flap 220 from interfering with flow of the flowable food product from through the valve 500.
The valve 500 may also include a pull tab 560. The pull tab 560 is coupled to the fitment by perforated or breakable tabs 562, and keys 564 engage pockets 524 on the probe 520. Accordingly, the probe 520 may be threaded onto the fitment 510 until the probe 520 reaches a shipping position (see, e.g.,
According to other embodiments, the valve 500 may not be shipped integrally with the fitment 510, instead being threaded onto the fitment 510 after a protective cap has been removed from the fitment. According to other embodiments, the fitment may be a conventional fitment having annular ribs rather than threads. In such embodiments, rather than threads 522, the probe may include inwardly extending tangs or a ridge that permit the probe to be pushed onto the fitment and engage the annular ribs. In such an embodiment, the piercing action may be more similar to the push-to-pierce action as described with respect to valve 400.
Referring to
The length of the sidewall 814 of the fitment 810 is short relative to the length of the piercing portion 840, which enables the piercing portion 840 to extend farther into the bag 200 during the initial puncture, which in turn enables a cleaner cut of the bag 200. Extending further into the bag 200 further enables a larger aperture 848, which increases the flow area of flowable food product and reduces restriction. Reduced flow restriction facilitates gravity forced flow of the flowable food product through the dispenser 100, 700. A beam 841 may extend across the aperture 848 to provide structural rigidity and support for the teeth 842.
According to the embodiment shown, the probe 820 and the slider 850 may be shipped separately from the bag 200 and then assembled prior to installation into the dispenser 100, 700. Accordingly, in contrast to valve 400, the valve 800 has only rib 847 to engage a groove 818 in the fitment 810, which secures the probe 820 in the operating position. According to another embodiment, the probe 820 and slider 850 could be held in a shipping position by a pull tab (e.g., pull tab 560 described with respect to valve 500).
The piercing portion 840 of the probe 820 includes a plurality of teeth 842 configured to open (e.g., pierce, puncture, cut, rip, etc.) the bag 200 when the probe 820 is moved from the shipping position to the operating position. As described with respect to valve 400, the heights and orientations of the teeth 842, 842a facilitate opening of the bag 200. The probe 820 further includes guide (e.g., last, rear, forward, etc.) teeth 842b spaced apart from the first tooth 842a, which (referring to
Referring briefly to
Referring to
Referring to
The piercing portion 1640 of the probe 1620 includes a plurality of teeth 1642 configured to open (e.g., pierce, puncture, cut, rip, etc.) the bag 200 when the probe 1620 is moved from the shipping position to the operating position. As described with respect to valve 800, the heights and orientations of the teeth 1642, 1642a facilitate opening of the bag 200, and the guide (e.g., last, rear, forward, etc.) teeth 1642b spaced apart from the first tooth 1642a inhibit misalignment of the probe 1620 and the fitment 1610, thereby facilitating insertion of the probe 1620 into the fitment 1610. As shown, the guide teeth 1642b are rounded or blunted relative to the other teeth 1642 or guide teeth 842b. Blunting the guide teeth 1642b may reduce accidental punctures of the bag 200 or of other objects.
The probe 1620 is shown to include a span 1629 that extends between and interconnects the sidewalls 1628 of the base 1622. The span 1629 prevents the sidewalls of the base 1622 from flexing outward or laterally away from the slider 1650, thereby preventing flowable food product from leaking down the sides of the slider 1650. The span 1629 also helps to retain the slider 1650 in the passageway 1630. For example, the span 1629 prevents the slider 1650 from exiting out of the bottom of the base 1622 of the probe 1620.
Referring to
Referring to
Further referring to
One or more guiderails 1667 may be formed on the inner surface(s) of the sidewall(s) 1628 of the base 1622. The guiderails 1667 support the slider 1650 in a lateral direction and help guide the slider 1650 between the open and closed positions without binding. The sidewalls 1628 may be formed at a draft angle to facilitate manufacturing (e.g., casting, molding, etc.). Because the guiderails 1667 have a smaller surface area, the guiderails 1667 may be formed without a draft angle (i.e. zero draft, approximately zero draft, etc.), even though the sidewalls 1628 may have or require a draft angle. Accordingly, the guiderails 1667 may provide a consistent sliding surface for the slider 1650 and reducing wobble (e.g., shimmy, etc.) and/or binding of the slider 1650 relative to the base 1622.
Referring to
The frame 610 includes a top rail 618 and a lower rail 620, the lower rail 620 configured to support a pan, shown as bottom pan 630. For example, the bottom pan 630 may couple to or lean against projections, studs, or bosses 622.
The bottom pan 630 may include one or more thermally conductive (e.g., metallic, etc.) walls and one or more heating elements coupled to one or more of the walls. As shown, the bottom pan 630 includes a bottom wall 634 defining an opening 636. As shown, the opening 636 is configured to receive the fitment 210 of the bag 200. A sloped wall 638 extends upwardly and rearwardly from the bottom wall 634. The incline of the sloped wall 638 promotes the flow of the flowable food product in the bag 200 down toward the bottom wall 634, opening 636, and the fitment 210 and the valve, thereby causing a more complete evacuation of the bag 200. The bottom pan 630 further includes sidewalls 640, shown as left sidewall 640a and right sidewall 640b, and transitional walls 642, shown as left transitional wall 642a and right transitional wall 642b.
In use, the bottom pan 630 conducts heat from heating elements coupled to the bottom pan 630, through the walls 634, 638, 640, 642 through the bag 200, and into the flowable food product. Using a conductive heat transfer method provides a more efficient and consistent temperature in the flowable food product as compared to convection heating used in typical flowable food product dispensers. That is, the lag of heating air which heats the food product makes controlling the temperature more difficult than the more direct response in the food product achieved by conductive heating. Further, rather than approximating the temperature of the flowable food product from the temperature of the air in the dispenser, a temperature sensor located on one of the walls of the bottom pan 630 in direct contact with the bag 200 obtains a more accurate temperature measurement of the flowable food product. By placing the temperature sensor near the opening 636 (e.g. on the bottom wall 634), a measurement of the next serving of flowable food product to be dispensed may be taken. According to another embodiment, the bottom pan 630 may include multiple heating elements that may be independently controlled, thereby allowing different portions of the flowable food product to be heated differently, and thereby facilitating a more even distribution of temperature through the flowable food product.
The bottom pan 630 is preferably configured to maximize the contact area between the bottom pan 630 and the bag 200. Vertical sidewalls 640 and the transitional walls 642 increase the surface area of the bottom pan 630 thereby increasing the contact area between the bottom pan 630 and the bag 200. According to another embodiment (not shown), the bottom pan 630 may include waves or folds (e.g. “W”, “M” shapes, etc.) to increase the surface area contact between the bottom pan 630 and the bag 200, thereby facilitating more efficient, more consistent, and faster heating of the flowable food product. The bottom pan 630 is preferably configured to minimize the distance between the flowable food product and the bottom pan 630. For example, the bag 200 may be hung or oriented vertically in a relatively tall narrow cavity, thereby increasing the surface area relative to volume. According to another example, the bag 200 may be laid substantially flat, also thereby increasing the surface area relative to volume. According to the embodiment shown, the dispenser 600 includes a second pan, shown as top pan 644. Top pan 644 may include one or more thermally conductive (e.g., metallic, etc.) walls and one or more heating elements coupled to the one or more of the walls. As shown, the top pan 644 has a bottom surface 646 configured to contact an upper surface the bag 200 when the bag 200 is in an installed position. Accordingly, the heated top pan 644 halves the distance from the flowable food product to the heat source. That is, without the top pan 644, the top of the flowable food product may be a distance X from the bottom pan 630. However, with a heated top pan 644 contacting the upper surface of the bag 200, the furthest distance from the flowable food product to one of the heated pans 630, 644 is approximately X/2, i.e., approximately the distance from the center of the flowable food product to the bottom pan 630 or the top pan 644. Top pan 644 may further be configured to support a second bag 200′ (not shown) of flowable food product. Accordingly, the second bag 200′ of flowable food product may be preheated while the first bag 200 of flowable food product is being used or preheated.
The rear housing 670 is supported by the frame 610 and at least partially defines a cavity 672 in which bottom pan 630 and the bag 200 reside when the bag 200 is in an installed position. The rear housing 670 prevents inadvertent contact by the operator with hot components of the dispenser 600. Rear housing 670 may be formed of any suitably durable material, for example, a low-cost, lightweight plastic.
The front housing 660 is also supported by the frame 610. According to an exemplary embodiment, the front housing 660 may be coupled to the frame 610 via a hinge 662. As shown, the front housing 660 may rotate between a first or closed position (shown, for example, in
Referring to
Referring to
Referring to
The bottom pan 930 has a bottom wall 934 and a sloped wall 938 extending upward and rearward from the bottom wall 934. The bottom wall 934 defines an opening 936 for receiving the fitment 210 in a downward facing direction. Orienting fitment 210 downwards facilitates evacuation of the flowable food product from the bag 200. The sloped wall 938 has a steep angle to facilitate gravity forced evacuation. The internal surfaces of the bottom pan 930 are smooth and flush to facilitate cleaning of the pan 930.
Referring to
Referring to
Referring to
Referring to
The interaction of the slider 1150 and the body 1120 is similar to the interaction of the slider 450 and the probe 420 as described above with respect to the valve 400. For example, the slider 1150 translates between a first or closed position, in which the opening 1126 in the body 1120 is offset from the opening 1154 in the slider 1150, and a second or open position, in which the opening 1126 and the opening 1154 overlap (see, e.g.,
Referring to
Referring to
The portion control system 1200 includes an actuator (e.g., motor, stepper motor, electric actuator, etc.), shown as solenoid 1257. The solenoid 1257 is operably coupled to the first plunger 1251 such that when the solenoid 1257 is energized, the first plunger 1251 moves from the closed position toward the open position, in turn moving the slider 1250 from the closed position toward the open position. A second plunger 1252 is shown to be located on the opposite side of the slider 1250 from the first plunger 1251. As the slider 1250 moves toward the open position, it pushes the second plunger 1252, which compresses a spring 1255. When the opening force is reduced or removed from the first plunger 1251 (e.g., when the solenoid 1257 is de-energized), the spring 1255 pushes the slider 1250 towards the closed position. According to one embodiment, the first plunger 1251 may include a return spring and engage the slider 1250 (see, e.g., plunger 751 shown in
The solenoid 1257 may be operably connected to a button (e.g., button 756, button 956, etc.) on the dispenser. For example, the button may actuate a switch, which in turn causes the solenoid 1257 to energize. According to another embodiment, the solenoid 1257 may be controlled by processing electronics 1406.
To determine the amount of flowable food product dispensed from the dispenser one may multiply the flow rate (i.e., volume per time) by the amount of time that the flowable food product is dispensed. The flow rate may be calculated by the velocity of the stream 250 of flowable food product being dispensed times a cross-sectional area of the stream 250. The applicants have determined that velocity of the stream 250 is not simply a gravitational acceleration calculation, but a function of the pressure of the flowable food product in the bag 200 (which in turn is a function of the density and the height of the flowable food product in the bag) and viscosity of the flowable food product (which in turn is a function of the type of flowable food product (e.g., cheese, chili, etc.) and temperature). Accordingly, the portion control system 1200 and processing electronics 1406 are configured to determine and/or control, among other things, the amount of flowable food product being dispensed from the dispenser.
The portion control system 1200 further includes a trap 1280 configured to determine the velocity of the stream 250 of dispensed flowable food product. The trap 1280 includes a first emitter (e.g., laser, light, etc.), shown as first LED 1282a sending a first beam 1284a toward a first receiver 1286a. The trap 1280 includes a second emitter (e.g., laser, light, etc.), shown as second LED 1282b sending a second beam 1284b toward a second receiver 1286b. As shown, the first beam 1284a and the second beam 1284b pass directly underneath the opening 1226, both substantially perpendicular (e.g., substantially horizontal) to the stream 250 of dispensed flowable food product, and the second beam 1284b a predetermined distance 1288 below the first beam 1284a.
As the flowable food product is dispensed, the stream 250 passes through the first beam 1284a, thereby blocking the first beam 1284a from striking the first receiver 1286a. When the first receiver 1286a does not receive the first beam 1284a, the first receiver 1286a sends a first timing signal to processing electronics 1406. As the stream 250 continues to fall, the stream 250 passes through the second beam 1284b, thereby blocking the second beam 1284b from striking the second receiver 1286b. When the second receiver 1286b does not receive the second beam 1284b, the second receiver 1286b sends a second timing signal to processing electronics 1406. The velocity of the stream 250 may be determined from the predetermined distance 1288 between the first beam 1284a and the second beam 1284b divided by the temporal difference between the first timing signal and the second timing signal.
Referring to
Referring to
To facilitate understanding, an exemplary embodiment of the process 1300 will be described with respect to the portion control system 1200 and processing electronics 1406. The dispenser 100, 600, 700, 900, 1000 may include one or more buttons 156, 656, 756, 956, 1056a, 1056b. For example, the dispenser may include a plurality of buttons indicating different portion sizes (e.g., small, medium, large, sausage, nachos, volume, etc.). The processing electronics 1406 receive the user selection and, in response, may cause operation of the dispenser to be annunciated to a user. For example, a LED on the button may illuminate to indicate the selection was received. The processing electronics 1406 cause the valve to open (e.g., by energizing the solenoid 1257) and begin a timer. The processing electronics 1406 may be configured to differentiate between the length of time that the button is depressed. For example, a short press may cause a portion-controlled dispensing (e.g., automatic mode), while a continuously held press may cause flowable food product to be dispensed as long as the button is depressed (e.g., manual mode). According to various embodiments, the LED may flash when in automatic mode, may be constant in manual mode, or vice versa. For a portion-controlled dispensing, the processing electronics 1406 determines the flow rate of the flowable food product being dispensed (e.g., using one of the embodiments of the portion control system 1200 described above) and determines the time required to dispense the selection based on the flow rate and the portion size selected. When the elapsed time is greater than the time required to dispense the selection, the processing electronics 1406 cause the valve to close, for example, by de-energizing the solenoid 1257. The LED may be turned off after the valve is closed.
According to various embodiments, the processing electronics 1406 may sum the total amount of flowable food product dispensed from the dispenser over a period of time. For example, tallying the flow rate of the stream 250 times the time that the valve is open may provide a running total of the volume dispensed. This tally may be reset when a new bag 200 is installed into the dispenser. The processing electronics 1406 may then estimate how much food product is remaining in the bag 200. The processing electronics 1406 may determine when a second bag 200′ of flowable food product should be raised to an operating temperature and initiate causing the temperature rise or alert (e.g., via light, sound, text message, email, etc.) an operator to begin warming the second bag 200′. The processing electronics 1406 may use the tally to self-calibrate the portion control system 1200 and algorithms of the processing electronics 1406. The processing electronics 1406 may use a tally to calculate an evacuation efficiency when the bag 200 is replaced. A long-term tally may be used by an operator to identify rates and trends (e.g., evening rush, weekend rush, in-game rush, etc.) of dispenser use, which may be used to improve profitability.
Referring to
Referring to
Memory 1420 includes a memory buffer 1424 for receiving user input data, sensor data, timing data, etc., from the control circuit 1404. The data may be stored in memory buffer 1424 until buffer 1424 is accessed for data. For example, user interface module 1428, temperature control module 1430, flow rate module 1434, or another process that utilizes data from the control circuit 1404 may access buffer 1424. The data stored in memory 1420 may be stored according to a variety of schemes or formats. For example, the user input data may be stored in any suitable format for storing information.
Memory 1420 further includes configuration data 1426. Configuration data 1426 includes data relating to sensors 1146, display 1447, user input device 1456, solenoid 1457, and trap 1480. For example, configuration data 1426 may include sensor operational data, which may be data that temperature control module 1430 can use to interpret sensor data from control circuit 1404. For example, configuration data 1426 may include voltage to temperature curves. For example, configuration data 1426 may include display operational data which may be data that user interface module 1428 or annunciation module 1438 can interpret to determine how to command control circuit 1404 to operate a display 1447. For example, configuration data 1426 may include information regarding size, resolution, refresh rates, orientation, location, and the like. Configuration data 1426 may include touchscreen operational data which may be data that user interface module 1428 can use to interpret user input data from memory buffer 1424. For example, configuration data 1426 may include solenoid operational data, which may be data that valve control module 1432 can interpret to determine how to command control circuit 1404 to operate a solenoid 1457. For example, configuration data 1426 may include information regarding flow rate information, which may be data that the flow rate module 1434 can use to interpret signals from the trap 1480.
Memory 1420 further includes a user interface module 1428, which includes logic for using user input data in memory buffer 1424 and/or signals from control circuit 1404 to determine desired user responses. User interface module 1428 may be configured to interpret user input data to determine various buttons being pressed, button combinations, button sequences, touchscreen gestures (e.g., drag versus swipe versus tap), the direction of gestures, and the relationship of these gestures to icons. User interface module 1428 may include logic to provide input confirmation (e.g., via annunciation module 1438 and the display 1447) and to prevent unintended input.
Memory 1420 further includes a temperature control module 1430, which includes logic for interpreting data from temperature sensors 1446. For example, the temperature control module 1430 may be configured to interpret signals from temperature sensors 1446 or memory buffer 1424, in conjunction with look up tables or curves from configuration data 1426, to provide temperature data to the processor 1422 and other modules. The temperature control module 1430 may include logic for heating the flowable food product, for maintaining the temperature of the flowable food product within operating parameters, and alerting other modules if the temperature of the flowable food product leaves operating parameters.
Memory 1420 further includes a valve control module 1432, which includes logic for controlling the flow control valves (e.g., valve 300, 400, 500, 800, 1000, 1800). For example, valve control module 1432 may include logic for processing user input from user interface module 1428 and flow rate data from flow rate module 1434 to provide commands to the solenoid 1457 over the control circuit 1404.
Memory 1420 further includes a flow rate module 1434, which includes logic for interpreting data from the trap 1480. For example, the flow rate module 1434 may be configured to interpret timing signals from the trap 1480 or memory buffer 1424, in conjunction with look up tables or curves from configuration data 1426, to provide timing, velocity, and stream dimension data to the processor 1422 and other modules. The flow rate module 1434 may include logic for calculating the velocity of the stream 250, the flow rate of the stream 250, and a tally of the volume dispensed.
Memory 1420 further includes a power module 1436, which includes logic for controlling and interpreting signals from the power supply 1498. For example, the power module 1436 may include logic for handling a power loss, interpreting data from the temperature control module 1430, and alerting other modules of a power loss or if the temperature of the flowable food product has likely left the operating parameters during a power loss. For example, the power module 1436 may include logic for providing power to heating elements in the dispenser.
Memory 1420 further includes an annunciation module 1438, which includes logic for controlling the display 1447 and/or any other lights or electroacoustic transducers on the dispenser. For example, the annunciation module 1438 may be configured to interpret signals from temperature control module 1430, temperature sensors 1446, or memory buffer 1424, in conjunction with look up tables or curves from configuration data 1426, to determine how to command control circuit 1404 to cause the display 1447 to display the temperature of the flowable food product. For example, the annunciation module 1438 may be configured to interpret signals from the user interface module 1428 or memory buffer 1424 and to cause a light on a button illuminate in response to being selected.
Referring to
Referring now to
Like the dispenser 700, the dispenser 2000 is shown not to include a rear portion (compare rear portion 124 in
Like the dispenser 700, the dispenser 2000 includes a pan assembly 2030 having a body 2032 that may be supported by and located between the pair of top rails 2018 and the pair of rear rails 2020. The pan assembly 2030 is shown to be constructed as a single piece (e.g., monolithic, unitary, etc.). The continuous, smooth opening of a single body 2032 facilitates cleaning and heat distribution, and reduces the possibility of the bag 200 snagging during insertion; however, it is contemplated that the pan assembly 2030 may be formed of multiple pieces (see, e.g., plates 142 in
Analogous to the pan assembly 730, the pan assembly 2030 may include a front surface 2031. The front surface 2031 may include graduated marks 2033, which indicate to a user the amount (e.g., level, proportion, etc.) of flowable food product remaining in the bag 200. The vertical orientation of the bag 200 and the relatively narrow cavity 2072 hold the flowable food product in an orientation that facilitates the use of graduated markings. The graduated marks 2033 may be particularly advantageous for determining a usage rate (e.g., ounces per hour, volume dispensed per use, etc.) of flowable food product, and, in turn, facilitates determining when to begin heating the next bag of flowable food product.
The body 2032 is also shown to include a bottom wall 2034 defining an opening 2036. The opening 2036 is configured to receive the fitment 1810 of the bag 200 (see
The pan assembly 2030 may also include a temperature sensor 2045, which may have the same structure and configuration as temperature sensor 146 described above. In this regard, the temperature sensor 2045 may be in direct contact with the bag 200, thereby obtaining a more direct and accurate temperature measurement of the flowable food product inside the bag 200 as compared to approximating the temperature of the flowable food product inside the bag 200 based upon a measurement of the temperature of the ambient air inside the dispenser 100, as is done in typical flowable food product dispensers. Further, as described above in regard to
As shown, a fitment acceptor 2080 is received in the opening 2036. The fitment acceptor 2080 may be of the same construction as the fitment acceptor 780. In this regard, the fitment acceptor 2080 may include the same components as the fitment acceptor 780 to guide the fitment 210, 1810 and/or valve 300, 400, 500, 800, 1000, 1800 into an installed position when the bag 200 is lowered into an installed position. According to the exemplary embodiment shown and akin to the fitment acceptor 780, the forward and rear sidewalls (e.g., sidewalls 784a and 784b) have different radii of curvature, wherein each of which corresponds to a radius of curvature at the respective front and rear ends of the fitment 210. Accordingly, the differing and corresponding radii prevent the fitment 210, and therefore the bag 200, from being improperly installed (e.g., backwards). Further, the particular shape of the fitment acceptor may inhibit an improper product (e.g., chili versus cheese, plain versus jalapeño, etc.) from being installed into the dispenser 700, 2000 if the various products include differently shaped fitments. According to the embodiment shown, the upper flange (e.g., like upper flange 782) of the fitment acceptor 2080 sits flush with the bottom wall 2034 to prevent snagging of the bag 200, and may be removed from the dispenser 2000 to facilitate cleaning. According to the embodiment shown, a second acceptor 2080′ may be stored in a compartment 2088 at the rear of the dispenser 2000. The second acceptor 2080′ may be a spare acceptor 2080, or may have a different shape for receiving different flowable food products. As shown, a cosmetic cover 2089 may be coupled to the rear housing 2070 to support and conceal the second acceptor 2080′ and to conceal fasteners holding the dispenser 2000 together.
During installation of the bag 200, the front housing 2060 may be removed from the frame 110 or rotated out of position to expose the cavity 2072. A bag 200 in the dispenser 2000 may be lifted out of the cavity 2072, and another bag 200 may be lowered into the cavity 2072. The chamfered interface guides the fitment 210 into an installed position. Accordingly, the user may hold the bag 200 only from the top and need not touch or manipulate the fitment. This advantageously improves hygiene by reducing touching of the fitment and keeps the user's hands away from the pan body 2032 to facilitate hot swapping of the bag 2000.
The dispenser 2000 includes an actuator housing 2050, which supports an actuator, shown as a button 2056. The actuator housing 2050 may have the same structure and configuration as the actuator housing 754. In this regard, the button 2056 may include a plunger and a cap, where the button 2056 is configured to receive an actuating force and/or motion from a user and transfer that force or motion to the valve 1800, thereby allowing flowable food product to be dispensed. According to the embodiment shown, the actuating force is a press (e.g., depress, push, etc.), but other embodiments are contemplated in which the actuation force is a pull or turn.
As mentioned above, the actuator housing 2050 may include the same or similar components as that shown in
Relative to the dispenser 700, the dispenser 2000 includes a funnel 2054 (e.g., tube, guide, pipe, channel, etc.) coupled to at least one of the front housing 2060, actuator housing 2050, and frame 2010. The funnel 2054 is positioned along the flowable product flow line, F, in line with the opening 2036 (e.g., alone the same or substantially the same flow axis). In this regard, flowable product may flow through the funnel 2054 to a receptacle positioned substantially in line with the flow line at the spot 2092. In contrast to the dispenser 700, the funnel 2054 reduces the zone 2055 (i.e., the height between the end of the funnel 2054 proximate the spot 2092 and the spot 2092). This may facilitate correct placement of the receptacle for the flowable product by acting as a visual guide for the receptacle to, e.g, reduce spillage. In other embodiments, insignia (e.g., a sticker, other marking, etc.) may also be positioned in the spot 2092 to facilitate accurate/correct placement of the receptacle.
While the dispenser 700 is shown to include two light emitting sources (790 and 790′) that illuminate the spot 794, the dispenser 2000 is shown to include a single emitter 2090 that emits a beam 2091 to illuminate the spot 2092. The emitter 2090 is mounted to the upper portion 2014 in the rear of the funnel 2054 (i.e., relatively closer to the rear housing 2070). The emitter 2090 may be configured as any type of light emitting source (e.g., a light emitting diode, laser, bulb, etc.). In other embodiments, more than one emitter 2090 may be used with the dispenser 2000 in a similar manner as the dispenser 700. As shown, the emitter 2090 is located such that the beam 2091 is oriented at a steep angle relative to the axis F. The steep angle reduces the horizontal distance differential between the area of the base 2012 illuminated by the beam 2091 and the area of the receiving product illuminated by the beam 2091, thereby increasing the accuracy of the indication of where the flowable food product will land when dispensed. According to another embodiment, the beam 2091 may be diffuse such that an area on the top surface of the receiving product along axis F is illuminated. According to another embodiment, the emitter 2090 may be mounted along an axis that is more directly in line with the spot 2092 (e.g., in the funnel 2054) to reduce any confusion as to where the receptacle for the product should be placed.
Referring more particularly to
In one embodiment, the body 2032 including the top portion 2040 is of unitary construction (e.g., monolithic, a single piece, etc.). In other embodiments, the body 2032 and the top portion 2040 are separate components that may be joined or coupled in any manner.
Referring now to
As shown, the piercing tool 2200 includes a handle 2214 interconnected to a neck 2216, which is interconnected to a piercing section 2250. In this regard, the neck 2216 is an intermediary between the handle 2214 and the piercing section 2250. The handle 2214 is configured to facilitate reception of a user's hand to operate the piercing tool 2200. In this regard, the handle 2214 defines a user interface portion. The handle may include an insignia location 2215 for receiving, logos, trademarks, branding, and any other desired image(s) and/or text. A raised perimeter wall 2212 is shown to surround the periphery of the handle 2214 and the neck 2216. The wall 2212 terminates at the interface of the neck 2216 and the piercing section 2250. The wall 2212 is shown raised relative to each of the substantially co-planar neck 2216 and handle 2214 portions (i.e., surfaces thereof) to define a lip. Beneficially, the wall 2212 provides a pinching or gripping region to facilitate ease of use of the tool 2200 while also providing added rigidity or strength to the body of the tool.
As shown, the width 2201 of the handle 2214 is relatively greater than the width 2202 of the neck 2216 (see
In regard to a portion of wall 2212 in the handle 2214 portion, the wall 2212 portion is shown to be at an angle 2213 relative to a horizontal axis. In the embodiment depicted, the angle 2213 matches or substantially matches the angle 2042 of the angled wall 2040 (see
In addition to matching or substantial matching of the angles between the wall 2040 and the handle 2214 portion, additional mechanisms may also be used for engagement between the tool 2200 and the dispenser 2000. For example, in one embodiment, the height of the wall 2040 substantially matches that of the handle portion of the piercing tool 2200. In another embodiment and as shown in
The piercing section 2250 includes a base 2252 interconnected with the neck 2216 and wall 2212 on a first side of the base 2252 proximate the neck 2216 and handle 2214. On a second side, opposite the first side, the base 2252 is interconnected with a wall 2254, where the base overhangs the wall 2254. In this regard, the interface between the wall 2254 and the base 2252 define a ledge (e.g., rim, etc.). The wall 2254 defines a cavity 2258 proximate the second side. The wall 2254 also includes a lower profile 2257 (relative to the handle 2214) that defines a tip 2256 (e.g., point, piercing element, spike, sharp end, etc.). The tip 2256 is configured to pierce, tear, rupture, cut, or otherwise open the bag 200, as described below in regard to
According to one embodiment, the piercing tool 2200 is of unitary construction (e.g., a single piece, monolithic, etc.). In this regard, the piercing tool 2200 may be constructed from a variety of materials including, but not limited to, plastic, rubber, metal, etc. In another embodiment, the piercing tool 2200 is constructed of multiple elements coupled or interconnected together. For example, the base 2252 of the piercing section 2250 may be welded to a unitary handle 2214 and neck 2216, where each of the handle 2214, neck 2216, and piercing section 2250 is made of metal. Other features of the piercing tool 2200 are described herein in regard to
Referring now to
In operation and in the orientation shown, the bag 200 is positioned/oriented with the fitment 1810 oriented away from a ground surface. In this regard, gravity acts on the flowable product stowed by the bag 200 to force the product towards the holes 208. While holding the fitment 1810 of the bag 200, the user may then insert the piercing tool 2200 into the fitment 1810 to pierce, tear, rupture, cut, or open the bag 200. This process substantially alleviates the likelihood of spill due to at least the following features. First, as described above, gravity acts to keep the flowable product away from the opening caused by the piercing tool 2200. Second, due to the base 2252 overhanging or extending about the wall 2254, the base 2252 is configured to interface with the rim of the wall 1814. In this regard, the cavity defined by the wall 1814 of the fitment is substantially covered to seal or substantially seal the tool 2200 with the fitment 1810. This interaction or interface of the rim of the wall 1614 and the base 2252 may form a substantially liquid-tight seal to prevent flowable product from evacuating between the fitment 1810 and the tool 2200. Accordingly, and as shown, the shape of the piercing tool 2200 is sized to fit within the cavity defined by the sidewall 1814 of the fitment 1810. In this regard, many other shapes may be chosen to accommodate piercing by the tool 2200 through the fitment 1810. To ensure the piercing tool 2200 is fully inserted into the fitment 1810 (or, inserted into a useable position to pierce the bag 200), an audible or tactile feedback device/mechanism may be used. For example, the base 2252 may include a protrusion that “clicks” into place with the fitment 1810. This audible “click” alerts the user that the tool 2200 is fully inserted, that a seal exists between the tool 2200 and the fitment 1810, and that the tool 2200 has or should have pierced the bag 200. At this point, the base 2252 interfaces with the sidewall 1814 to create the seal. Third, the cavity 2258 acts as a receptacle for any flowable product that escapes the bag 200 when the piercing tool 2200 is engaged with the fitment 1810 and has pierced the bag 200. In this regard, the cavity 2258 may catch any or most of the product that flows from the hole created by the tool 2200. After the bag 200 is pierced, the piercing tool 2200 is removed and the valve 1800 assembled. The valve 1800 may be assembled when the bag 200 is still oriented downward (i.e., fitment 1810 on top vertically) to prevent gravity from acting on the product to push or pull the product from the opening in the bag 200.
Referring now to
The top (e.g., leading) portion 1840 of the probe 1820 is shown to define a substantially smooth profile 1841 (e.g., a profile that is unable to or unlikely to be able to pierce the bag 200 when the probe 1820 is fully inserted in the fitment 1810). The profile is shown to follow a profile substantially similar to that of the probe 1820 (e.g., a rising incline moving towards the openings 1860). However, rather than including a plurality of teeth 1642 like the embodiment depicted in
As described with the valve 1600, the probe 1820 is shown to include a span 1829 that extends between and interconnects the sidewalls 1828 of the base 1822. The span 1829 prevents the sidewalls of the base 1822 from flexing outward or laterally away from the slider 1850, thereby preventing flowable food product from leaking down the sides of the slider 1850. The span 1829 also helps to retain the slider 1850 in the passageway 1830. For example, the span 1829 prevents the slider 1850 from exiting out of the bottom of the base 1822 of the probe 1820. However, relative to the span 1629, the span 1829 includes a curved face 1831. This structure shows that the span 1829 may have a variety of shapes (e.g., hour-glass shaped, etc.).
The slider 1850 (e.g., movable member) may have the same structure and configuration as the slider 1650 as described herein above with reference to
Moreover and also analogous to the valves 800 and 1600, the probe 1820 is shown to define a pair of apertures 1848 that increase the flow area of flowable food product (relative to the upper opening of the probe 1820 that is proximate the fitment 1810) and reduce restriction. Reduced flow restriction facilitates gravity forced flow of the flowable food product through the dispenser 2000. A beam 1841 may extend across the aperture 1848 to provide structural rigidity and support for the probe 1820.
The construction and arrangement of the systems and methods as shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.). For example, the position of elements may be reversed or otherwise varied and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present disclosure. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. Other substitutions, modifications, changes, and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present disclosure.
The present disclosure contemplates methods, systems and program products on any machine-readable media for accomplishing various operations. The embodiments of the present disclosure may be implemented using existing computer processors, or by a special purpose computer processor for an appropriate system, incorporated for this or another purpose, or by a hardwired system. Embodiments within the scope of the present disclosure include program products comprising machine-readable media for carrying or having machine-executable instructions or data structures stored thereon. Such machine-readable media can be any available media that can be accessed by a general purpose or special purpose computer or other machine with a processor. By way of example, such machine-readable media can comprise RAM, ROM, EPROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to carry or store desired program code in the form of machine-executable instructions or data structures and which can be accessed by a general purpose or special purpose computer or other machine with a processor. When information is transferred or provided over a network or another communications connection (either hardwired, wireless, or a combination of hardwired or wireless) to a machine, the machine properly views the connection as a machine-readable medium. Thus, any such connection is properly termed a machine-readable medium. Combinations of the above are also included within the scope of machine-readable media. Machine-executable instructions include, for example, instructions and data which cause a general purpose computer, special purpose computer, or special purpose processing machines to perform a certain function or group of functions.
Although the figures show a specific order of method steps, the order of the steps may differ from what is depicted. Also two or more steps may be performed concurrently or with partial concurrence. Such variation will depend on the software and hardware systems chosen and on designer choice. All such variations are within the scope of the disclosure. Likewise, software implementations could be accomplished with standard programming techniques with rule based logic and other logic to accomplish the various connection steps, processing steps, comparison steps and decision steps.
The present application claims the benefit of International Application No. PCT/US2015/047491, filed Aug. 28, 2015, and claims the benefit of priority to U.S. Provisional Patent Application No. 62/043,973, filed Aug. 29, 2014, both of which are incorporated herein by reference in their entirety.
| Filing Document | Filing Date | Country | Kind |
|---|---|---|---|
| PCT/US2015/047491 | 8/28/2015 | WO | 00 |
| Publishing Document | Publishing Date | Country | Kind |
|---|---|---|---|
| WO2016/033498 | 3/3/2016 | WO | A |
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