The invention relates to containers, such as containers for food service and/or food storage, and more particularly, to containers that include a receptacle and a lid that may be mounted to the receptacle in a plurality of configurations.
Disposable plastic containers comprising receptacles and removable lids are widely used in the food service industry, including food establishments such as restaurants and cafeterias. Often, it is necessary for such establishments to enclose food contents of widely differing types and amounts in such containers. For example, a salad may consume considerable space, but may require only a rudimentary seal, whereas a beverage or soup may be compact, but may require a highly reliable, liquid-tight seal. Due to these varying requirements, it can be necessary for food service establishments to maintain a large variety of different types and sizes of disposable container in inventory, leading to increased overhead costs.
Accordingly, there has been a long felt and largely unmet need for container designs that can be assembled in a plurality of configurations having different capacities and sealing properties, so that a smaller inventory of receptacles and lids can be used to accommodate a wider range of quantities and types of content. Generally, the cost of manufacturing such disposable containers must be minimized, for example by using thermoforming as the method of manufacture.
U.S. Patent Application Publication No. 2006/0261065 (to Claypool et al.) purports to disclose a storage container that has a base with a bottom panel, and an upstanding side wall extending generally upward from a perimeter of the bottom panel. The side wall has a top end and a top opening is generally circumscribed by the top end. A reversible lid has a lid perimeter and a cover panel generally within the lid perimeter. The cover panel has a first side and a second side. The reversible lid can be installed on the base in two different selectable orientations including a first orientation with the second cover panel side facing the base and a second orientation with the first cover panel side facing the base. A first seal is created between the reversible lid and the base in the first orientation and a second seal is created between the reversible lid and the base in the second orientation. A first sealed storage space is formed between the base and the reversible lid when in the first orientation and a second sealed storage space is formed between the base and the reversible lid when in the second orientation. The first sealed storage space has a larger volume than a volume of the second sealed storage space.
However, it is the experience of those skilled in the art that the container construction described by Claypool et al. cannot be readily implemented by thermoforming, and is therefore impractically expensive to manufacture. In particular, thermoforming involves manipulating a sheet of a certain thickness for achieving a formed shape. Therefore, rib constructions such as those taught by Claypool that require varying thicknesses are difficult to achieve by thermoforming.
In addition, even when the lid of Claypool is used in the orientation that provides the greatest volume (see FIGS. 1, 2 and 4 of Claypool), the full capacity of the receptacle cannot be fully utilized because, as shown in
PCT Publication No. WO1990/008710 (ro Timm) purports to disclose a package for a sundae-type frozen dessert that includes an open-top container and a dished cap for the container. The cap has a skirt portion that extends from one side of an annular shoulder and a pilot portion that extends from the opposite side of the shoulder portion to an annular crown that surrounds an open cup portion. The skirt portion snaps over the rim of the container when the cap is in a normal position, with the one side of the shoulder resting on the container rim. The pilot portion makes a loose telescopic fit within the top of the container when the cap is in an inverted position, with the opposite side of the shoulder resting on the container rim. After the container is partially filled with a dessert mix, the cap is fitted onto the container in the normal position, and the cup portion is filled with a topping and covered with a seal. The completed package is then frozen. To prepare for eating, the cap is inverted on the container after removal of the sealing cover, and the package is placed in a microwave oven until the topping melts and pours down onto the frozen dessert mix. The cap is then removed, and the hot sundae is ready for eating directly from the container.
However, according to the disclosure of Timm, the lid makes only a “loose telescopic fit” with the top of the container when the cap is in an inverted position (see e.g. abstract). Accordingly, the lid of the Timm design can only be sealed to the container in its upright configuration, and merely rests on the container in the inverted configuration.
What is needed therefore is a container having a lid that is sealable to a receptacle in at least two configurations that differ in volume and/or type of seal, wherein at least one of the configurations allows the full capacity of the container to be utilized, and wherein the lid and receptacle can be manufactured using thermoforming.
A container is disclosed having a lid that is sealable to a receptacle in two configurations that differ in container capacity and, in embodiments, also in type of seal (i.e. liquid-tight or not liquid-tight). The lid has a central portion surrounded by a periphery that is divided into first and second periphery portions, whereby the first periphery portion is proximal to and surrounds the central region of the lid, while the second periphery portion extends outward and downward from the first periphery portion. In embodiments, the two periphery portions are joined by a generally horizontal shelf.
In a first configuration, the central area and first periphery portion of the lid nest within the receptacle, so that a seal is formed between the outer surface of the first periphery portion and the inner walls of the receptacle, while the second periphery portion of the lid extends above the rim of the receptacle. In a second configuration, the lid is inverted as compared to the first configuration, so that the second periphery portion extends over the rim of the receptacle and forms a seal therewith, while the first periphery portion and the central region of the lid extend above the rim of the receptacle. In various embodiments, the shelf of the lid rests in both configurations on a flange that surrounds the rim of the receptacle, whereby the outer surface of the shelf is against the flange in the first configuration, and the inner surface of the shelf is against the flange in the second configuration.
Various embodiments of the lid and receptacle include projections and indentations that enhance the removable attachment of the lid to the receptacle in either or both configurations.
In embodiments, two receptacles can be provided, and a two-compartment container can be formed by attaching the lid to the first container in the first configuration while inverting the second container and attaching it to the same lid in the second configuration. In some embodiments, the two receptacles are identical to each other.
One general aspect of the present invention is a container that includes a receptacle having a receptacle base wall and a receptacle sidewall extending upward from the receptacle base wall to a receptacle rim, the receptacle sidewall having a sidewall inner surface and an opposed sidewall outer surface, and a lid having an outer surface and an inner surface, the lid having a lid central portion and a lid periphery divided into a first periphery portion proximal to the central portion and a second periphery portion positioned outwardly and downwardly of the first periphery portion, the lid being mountable to the receptacle in a first configuration and in a second configuration. According to this general aspect, in said first configuration the lid central portion and first periphery portion are nested below the receptacle upper rim, and a portion of the lid outer surface is engaged with the receptacle sidewall inner surface, and in said second configuration the lid is inverted with respect to the first configuration, the lid central portion and first periphery portion being above the receptacle rim, and a portion of the lid inner surface being engaged with the receptacle sidewall outer surface.
In embodiments, the receptacle sidewall inner surface comprises at least one indentation and the first periphery portion of the lid comprises at least one projection that is receivable in the indentation when the lid is mounted to the receptacle in the first configuration. In various embodiments, in the first configuration the second periphery portion is positioned above the rim of the receptacle.
In certain embodiments, the lid comprises a shoulder between the first periphery portion and the second periphery portion. In some of these embodiments the receptacle rim comprises an outwardly extending receptacle flange, so that in the first configuration, an outer surface of the horizontal shoulder is seated on the receptacle flange. In some of these embodiments, in the second configuration an inner surface of the shoulder is seated on the receptacle flange. And in some of these embodiments the lid periphery comprises at least one inwardly extending projection, and in the second configuration the receptacle flange is secured between said inwardly extending projection and the shoulder of the lid.
In embodiments, when in the first configuration the container is liquid tight.
In various embodiments, the receptacle is a first receptacle, and the container further comprises a second receptacle that is mountable to the lid in an inverted position when the lid is mounted to the first receptacle in the first configuration. In some of these embodiments, the second receptacle is generally identical to the first receptacle. In some of these embodiments, the first periphery portion is nested in the first receptacle when the lid is mounted to the first receptacle in the first configuration and the second receptacle is mounted to the lid in the inverted second configuration. In some of these embodiments, the second periphery portion is positioned above the first periphery portion and above the first receptacle when the lid is mounted to the first receptacle in the first configuration and the second receptacle is mounted to the lid in the inverted second configuration.
In some of these embodiments, the lid comprises a shoulder between the first periphery portion and the second periphery portion. In some of these embodiments, the rim of the first receptacle comprises an outwardly extending first receptacle flange, and an outer surface of the shoulder is seated on the first receptacle flange when the lid is mounted to the first receptacle in the first configuration and the second receptacle is mounted to the lid in the inverted second configuration. In some of these embodiments, the rim of the second receptacle comprises an outwardly extending second receptacle flange, and the second receptacle flange is seated on an inner surface of shoulder when the lid is mounted to the first receptacle in the first configuration and the second receptacle is mounted to the lid in the inverted second configuration. And in some of these embodiments, the second periphery portion comprises at least one inwardly extending projection, and the second receptacle flange is removably secured between the projection and the shoulder when the lid is mounted to the first receptacle in the first configuration and the second receptacle is mounted to the lid in the inverted second configuration.
In various embodiments where the second receptacle is generally identical to the first receptacle, the first receptacle and the lid are liquid tight when the lid is mounted to the first receptacle in the first configuration and the second receptacle is mounted to the lid in the inverted second configuration.
Another general aspect of the present invention is a container that includes a first receptacle having a first receptacle base wall and a first receptacle sidewall extending upward from the first receptacle base wall to a first receptacle rim, the first receptacle sidewall having a first sidewall inner surface and an opposed first sidewall outer surface, a lid mounted to the first receptacle and comprising a lid central portion, a lid inner surface facing away from the first receptacle, an opposed lid outer surface, and a lid periphery divided into a first periphery portion proximal to the central portion and a second periphery portion positioned outwardly and downwardly of the first periphery portion, wherein at least the first periphery portion is nested below the first receptacle rim, and a second receptacle having a second receptacle base wall and a second receptacle sidewall extending upward from the first receptacle base wall to a second receptacle rim, the second receptacle sidewall having a second sidewall inner surface and an opposed second sidewall outer surface, the second receptacle being inverted with respect to the first receptacle and being mounted to the lid, the lid inner surface facing the second receptacle, and the second receptacle rim being nested within the second periphery portion.
In embodiments, the lid outer surface engages the first sidewall inner surface to secure the lid to the first receptacle. In some of these embodiments, the first sidewall inner surface comprises at least one indentation, the lid outer surface comprises at least one projection, and the projection is received in the indentation to secure the lid to the first receptacle.
In various embodiments, the second receptacle sidewall engages the lid inner surface to secure the lid to the second receptacle. And in some embodiments, the second periphery portion is positioned above the first periphery portion and above the first receptacle rim.
In certain embodiments, the lid comprises a shoulder between the first periphery portion and the second periphery portion. In some of these embodiments, the first receptacle sidewall comprises an outwardly extending first receptacle flange at the first receptacle rim, and the shoulder is seated on the first receptacle flange. In some of these embodiments, the second receptacle sidewall comprises an outwardly extending second receptacle flange at the second receptacle rim, and the second receptacle flange is seated on the shoulder. And in some of these embodiments, the second periphery portion comprises at least one inwardly extending projection, and the second receptacle flange is secured between the inwardly extending projection and the shoulder.
In embodiments, the first receptacle and the lid are generally liquid tight. And in various embodiments, the first receptacle and the second receptacle are identical.
The features and advantages described herein are not all-inclusive and, in particular, many additional features and advantages will be apparent to one of ordinary skill in the art in view of the drawings, specification, and claims. Moreover, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and not to limit the scope of the inventive subject matter.
The drawings included herewith are for illustrating various examples of articles, methods, and apparatuses of the present specification and are not intended to limit the scope of what is taught in any way.
Referring to
The lid 104 may be mounted to the receptacle 102 in a plurality of configurations, in order to form various container configurations. Such configurations may, for example, be used for food service and/or food storage applications. For example, referring to
Alternatively, referring to
Alternatively, referring to
Alternatively, referring to
Thus, the receptacles and lids described herein enable a food establishment such as a restaurant or cafeteria to create a variety of different container configurations by utilizing the same basic components depending on the type of foods to be served or stored therein. Various container configurations may be adapted to have varying engagement characteristics between the lid and the receptacle. In some embodiments, when the lid 104 is mounted to the receptacle 102 in the first configuration to form container 106a, it may provide a generally or relatively liquid tight or liquid resistant seal. When the lid 104 is mounted to the receptacle 102 in the second configuration to form container 106b, the container 106b may be generally non-liquid tight or non-liquid resistant, or less liquid tight or less liquid resistant than the container 106a.
Accordingly, if the receptacle 102 is to be used to store liquids or less viscous foods, the lid 104 may optionally be mounted to the receptacle 102 in the first configuration. If the receptacle 102 is to be used to store dry goods or solid or relatively viscous foods, the lid 104 may optionally be mounted to the receptacle 104 in the second configuration. Furthermore, if it is desired to store liquid goods and dry goods separately, two receptacles 102 may be mounted to a single lid 102 in order to form container 106c or container 106d. When using container 106c, the receptacle 102a at the bottom portion 108 of the container 106c may optionally be used to store liquid goods, and the receptacle 102b at the top portion 110 may optionally be used to store dry goods. When using container 106d, the receptacle 102a at the bottom portion 108 of the container 106c may optionally be used to store dry goods, and the receptacle 102b at the top portion 110 may optionally be used to store liquid goods.
Furthermore, the receptacles and lids described herein may allow for simplification of inventory, as the same receptacle and lid may provide containers with different capacities. For example, a container of the first configuration may have a fill capacity of 1.5 oz. and a container of the second configuration may have a fill capacity of 2 oz.
The receptacle 102 and the lid 104 will presently be described in further detail. Referring to
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The sidewall inner surface 124 may include at least one indentation for engaging the lid 104 when the lid 104 is assembled to the receptacle 102 in the first configuration, as will be described in further detail below. Referring to
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When the lid 104 is in the position shown in
The lid second surface 134 may include a portion for engaging the sidewall inner surface 124, to removably secure the lid 104 to the receptacle 102 when the lid 104 is assembled to the receptacle 102 in the first configuration. Referring to
The lid first surface 132 may include a portion for engaging the receptacle sidewall 114 to removably secure the lid 104 to the receptacle 102 when the lid 102 is assembled to the receptacle 102 in the second configuration. Referring to
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In both the first configuration and the second configuration, the lid lip 150 provides grasping portion, which may be grasped by a user in order to remove the lid 104 from the receptacle 102.
Referring to
In the configuration of
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In any of the above embodiments, the receptacle 102 and/or the lid 104 may be sealed with a membrane. For example, the receptacle 102 may include a membrane sealed to flange 128. Providing a membrane can help to contain liquids or viscous materials, particularly when inverted (e.g. as per receptacle 102b in
The foregoing description of the embodiments of the invention has been presented for the purposes of illustration and description. Each and every page of this submission, and all contents thereon, however characterized, identified, or numbered, is considered a substantive part of this application for all purposes, irrespective of form or placement within the application.
This specification is not intended to be exhaustive. Although the present application is shown in a limited number of forms, the scope of the invention is not limited to just these forms, but is amenable to various changes and modifications without departing from the spirit thereof. One or ordinary skill in the art should appreciate after learning the teachings related to the claimed subject matter contained in the foregoing description that many modifications and variations are possible in light of this disclosure. Accordingly, the claimed subject matter includes any combination of the above-described elements in all possible variations thereof, unless otherwise indicated herein or otherwise clearly contradicted by context. In particular, the limitations presented in dependent claims below can be combined with their corresponding independent claims in any number and in any order without departing from the scope of this disclosure, unless the dependent claims are logically incompatible with each other.
This application claims the benefit of U.S. Provisional Application No. 62/194,378, filed Jul. 20, 2015, which is herein incorporated by reference in its entirety for all purposes.
Number | Date | Country | |
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62194378 | Jul 2015 | US |