Electronic heating pad storage container

Information

  • Patent Grant
  • 6488149
  • Patent Number
    6,488,149
  • Date Filed
    Friday, September 29, 2000
    24 years ago
  • Date Issued
    Tuesday, December 3, 2002
    22 years ago
Abstract
A point-of-sale storage device for an electronic heating pad includes a storage tube and a lid that removably attaches to the storage tube. The storage tube may be clear plastic, and coloring may be added to distinguish different models of electronic heating pads. A method for storing the electronic heating pad includes coiling a cord and controller assembly attached to the pad, placing the coiled cord and controller assembly along an edge of the pad parallel to straight sections of heating wire within the pad, rolling the pad in a direction so as to roll the pad around the coiled cord and controller assembly, inserting the rolled pad into the storage tube, and closing the storage tube with the lid. Optionally, the rolled pad may be inserted into a cloth sleeve prior to inserting the rolled pad covered with the cloth sleeve into the storage tube.
Description




FIELD OF THE INVENTION




The present invention relates to storage devices, including point-of-sale containers, and more specifically a storage container for an electronic heating pad.




BACKGROUND INFORMATION




Point-of-sale storage devices are well-known in the art. Just about any container can qualify as a point-of-sale storage device. However, most point-of-sale containers are designed to protect their contents and be durable. Cardboard boxes are common point-of-sale containers because they are inexpensive, receive printing well, provide a rigid structure for protection, and are durable. Plastic is also commonly used to construct point-of-sale containers because it may be used to make containers that are air-tight, waterproof, rigid or flexible, and shaped into almost anything. Furthermore, many point-of-sale containers function as storage devices for their contents after purchase.




For example, tennis balls frequently are sold in rigid, clear plastic tubes that have been pressure-sealed to keep the balls from going flat prior to use. The pressurization often is accomplished by a metal cap having a peel-away center that is removed upon opening, permanently depressurizing the tube. Although the tube will not keep the balls from going flat once the tube has been opened and depressurized, the tube may be used to store the balls between uses by virtue of a plastic lid that usually covers the metal cap at the point of purchase. By contrast, were the plastic lid not to accompany the tube, the tube would not be useful as a storage device once opened because the peel-away center is permanently separated from the rim of the metal cap. Storing the balls in the tube conveniently prevents the balls from rolling and bouncing between uses, but it does little to protect the balls from deterioration (e.g., going flat).




Although the way in which tennis balls are stored may not greatly affect their performance, the same is not true of electronic heating pads. Heating pads tend to be cumbersome to store. Storage of heating pads often results in pad damage as consumers repeatedly fold the pads to store them, causing wire breakage and damage to the internal structure of the heating pad. Wire breakage may eventually result in a temporary short circuit that may cause a burn mark or melt spot at the pad.




Previous attempts to solve this problem have involved the design of rectangular hinged cases to store the pad in a confined area of a predetermined size. Unfortunately, such rectangular packaging attempts usually resulted again in customers making sharp folds while trying to press the pads into the rectangular shapes in hurried attempts to store the pad after use. Previous packaging attempts also have not provided desirable methods of storing the cord or controller attached to the pad. Customers frequently pushed the cord and controller into the package after the pad has been inserted. This also may result in failures at the cord where the cord exits from the pad due to the amount of force being applied in trying to repack the cord assembly into the pad box.




It would therefore be desirable to create a novel point-of-sale container capable of storing an electronic heating pad that would avoid many of the disadvantages associated with previous heating pad storage containers.




SUMMARY OF THE INVENTION




The present invention relates to an electronic heating pad storage container having a tube and a lid. In particular, the invention provides a storage tube for use as a point-of-sale container for an electronic heating pad. Use of a storage tube allows a consumer to roll up the electronic heating pad without applying sharp bends or creases to the pad prior to insertion of the rolled pad into the tube. Forming the pad into a tubular roll also permits a consumer conveniently to tuck the cord assembly with the controller into the center of the rolled up pad. Optionally, the rolled pad may be inserted into a cloth sleeve closed at one end and having a drawstring at the open end prior to inserting the sleeve into the storage tube. Once the rolled pad is inserted into the storage tube, the storage tube may be closed with a push-in end cap, a screw-top or a snap-on lid. Use of such a storage tube should lengthen the useful life of a pad and avoid the damaging handling of the pad that may result in short circuits, wire breakage, electrical burns, or pad failure. The overall benefits may include greater customer satisfaction and fewer product returns.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is a perspective view of an exemplary electronic heating pad with an attached cord and controller assembly.





FIG. 2

is a perspective view of an exemplary electronic heating pad storage container according to an embodiment of the present invention in a closed condition.





FIG. 3

is a perspective view of an exemplary electronic heating pad storage container according to an embodiment of the present invention in an open condition.





FIGS. 4A-4B

show perspective views of exemplary electronic heating pad storage containers having, respectively, a circular cross-section and an oval-shaped cross-section, according to embodiments of the present invention in the closed condition.





FIGS. 5A-5B

show, respectively, perspective views of an exemplary lid having a rectangular outer surface and a stack of exemplary electronic heating pad storage containers having lids in the closed condition and closed ends with rectangular outer surfaces, according to embodiments of the present invention.





FIG. 6

is a perspective view of an exemplary electronic heating pad storage container lid having a hook according to an embodiment of the present invention.





FIG. 7

is a perspective view of an exemplary electronic heating pad cloth sleeve having a drawstring according to an embodiment of the present invention.




Other features and advantages of the present invention will be apparent from the following description of the exemplary embodiments thereof, and from the claims.











DETAILED DESCRIPTION





FIG. 1

is a perspective view of an exemplary electronic heating pad


10


with an attached cord


11


and controller


12


assembly. The cord


11


exits the pad


10


at a connection


13


. Within the pad


10


, the cord


11


is coupled to heating wires


14


woven into the pad's


10


fabric


15


. As with typical electronic heating pads, the pad


10


has heating wires


14


that have predominantly parallel sections


16


within the fabric


15


along a width


17


but that have curves


18


as the wires


14


progress back and forth along a length


19


of the pad


10


.




Preferably, the pad


10


should be rolled so that wires


14


are bent as little as possible so as to minimize the likelihood that wires


14


would break or incur damage as a result of the rolling. In

FIG. 1

, therefore, the pad


10


preferably would be rolled along its length


19


so that its width


17


remains as straight as possible, as shown in FIG.


2


. Similarly, the cord


11


and controller


12


preferably are bent as little as possible, so the cord


11


and controller


12


are coiled along width


17


. The coiled cord


11


and controller


12


preferably are placed along the width


17


opposite the connection


13


so as to avoid excessively bending the connection


13


. However, the coiled cord


11


and controller


12


may nonetheless be placed along the width


17


next to the connection


13


.




Additionally, it also would be satisfactory to roll the pad At


10


widthwise so that the length


19


remains straight. When rolled widthwise, the coiled cord


11


and controller


12


likewise may be placed along the length


19


. While it may be satisfactory to roll the pad


10


widthwise, the pad


10


likely may fit into a storage container


20


only when rolled in a specific direction. For example, if the storage container


20


is as long as the width


17


, but the length


19


is longer than the container


20


, then rolling the pad


10


widthwise will cause part of the pad


10


to stick out of the container, preventing its closure. Likewise, assuming the container


20


is as long as the length


19


and that the length


19


is longer than the width


17


, then the container


20


may not be wide enough across to accommodate a pad


10


that has been rolled lengthwise if the container


20


were designed for a pad


10


that has been rolled widthwise. The exception is of course if the pad


10


is an even square, i.e., the width


17


equals the length


19


, in which case the pad


10


may be rolled in either direction and still fit into the container


20


. Naturally, the tube


21


could also be long enough and wide enough across to accommodate the pad


10


after having been rolled either lengthwise or widthwise, though such a tube


21


may occupy more space than desired.





FIG. 2

is a perspective view of an exemplary electronic heating pad storage container


20


in a closed condition according to an embodiment of the present invention. Storage container


20


may include a tube


21


and a lid


22


. The tube


21


preferably is a little longer than width


17


to easily accommodate a rolled pad


23


, rolled lengthwise. Similarly, the tube


21


should be wider than a loosely rolled pad


23


, rolled lengthwise, to ensure an easy fit without needing to roll the pad


10


too tightly. The lid


22


as shown in

FIGS. 2 and 3

represents a snap-on lid, but other types of lids are also appropriate, as discussed below.




The storage container


20


may be constructed of any suitable materials. Similarly, it is understood that any feasible combination of types of tube


21


and lid


22


may be used in accordance with the present invention. For example, the storage tube


21


could be made of corrugated cardboard having plastic push-in end caps; metal having a metal or plastic screw-top; or plastic having a plastic snap-on or hinged lid. Preferably, the storage tube


21


is made of rigid, clear plastic, which would permit printed sales sheets and product information sheets to be seen through the storage tube


21


.




By comparison,

FIG. 3

is a perspective view of the exemplary storage container


20


in an open condition according to an embodiment of the present invention. Preferably, the cord


11


and controller


12


are coiled along the width


17


opposite the connection


13


and form a center


24


of the rolled pad


23


. The rolled pad


23


may then be inserted into tube


21


, preferably with the connection


13


near the lid


22


to keep the connection


13


visible and avoid unknowingly bending the connection


13


too much.




While the storage tube


21


may be cylindrical having a circular cross-section


27


as shown in

FIG. 4A

, it may be advantageous to have a non-circular cross-section, such as an oval-shaped cross-section


28


, as shown in FIG.


4


B. An oval-shaped cross-sectional tube


21


has the advantage of having lids


22


that only fit when inserted in one of two ways that align the oval-shaped cross-sections


28


. This may be advantageous if the lids


22


have printed material that should be presented in a specific direction for easier reading. Moreover, tube


21


may have a variety of non-circular cross-sections, such as pentagonal, hexagonal, heptagonal, octagonal, etc. The basic limitation is that the tube


21


should be shaped to receive easily a rolled pad


23


. As such, the cross-section will have either no distinct angles, such as with ovals and circles, or angles greater than 90 degrees, such as with pentagons and hexagons.




Furthermore, as shown in

FIG. 5A

, the lids


22


may have rectangular outer surfaces


22




a


to facilitate stacking and add stability. The rectangular outer surfaces


22




a


preferably would appear on both ends of the tube


21


to provide symmetry, as shown in FIG.


5


B. When intended to be stored horizontally lengthwise, the rectangular outer surface


22




a


will prevent the storage container


20


from rolling, which a tube


21


of circular cross-section


27


may be prone to do. Furthermore, by virtue of the fact that the rectangular outer surface


22




a


has flat edges


22




b


, one storage container


20


may be stacked atop or beside another storage container


20


, such as in FIG.


5


B. Likewise, a rectangular outer surface would have a larger surface area than just the cross-section of the tube


21


, so the tubes


21


would not crush each other during shipping.




In the event that the storage tube


21


has a non-circular cross-section with angular outer surfaces, i.e., distinct, flat faces, such as a pentagon or hexagon, for example, then the tube


21


also will be less likely to roll than a tube


21


having a circular cross-section. Instead of rectangular outer surfaces, a tube


21


having, for example, a hexagonal cross-section, may have a lid


22


that has angular outer surfaces which are also hexagonal in nature. A hexagonal tube and angular outer surfaces would also facilitate stacking in much the same way that rectangular outer surfaces improve stacking. The rectangular outer surfaces, however, would inhibit rolling of the tube


21


the most.




Insofar as the storage container


20


need not be stacked at the point of sale, the container


20


may have a hanging support, such as a hook


29


attached to the outer surface of the lid


22


, as shown in

FIG. 6

, to facilitate hanging of the container


20


at the point of sale. The support may be attached by means known in the art, such as gluing, piercing, molding or melting. Moreover, the support may be attached anywhere on the lid


22


or the tube


21


, not just centrally on the outer surface, as long as the support may withstand the weight of the tube


21


, lid


22


, and rolled pad


23


. Analogously, the hanging support may be any structure designed to be attached to a display to hang the container


20


. The hanging support may be, for example, a loop, a bulb, or a clamp, instead of a hook


29


.




Optionally, a cloth sleeve


25


as shown in

FIG. 7

may be used to facilitate handling of the rolled pad


23


. The cloth sleeve


25


may be made of any suitable fabric, for example, cotton, silk, polyester, nylon, acetate, lycra, spandex, or blends of these. The rolled pad


23


first may be inserted into the cloth sleeve


25


, and second, the rolled pad


23


covered by the cloth sleeve


25


may be inserted into tube


21


. In order to better view the rolled pad


23


, the rolled pad


23


in

FIG. 3

is depicted as having been inserted in the tube


21


without using the cloth sleeve


25


. Sleeve


25


may have a drawstring


26


with which the sleeve


25


may be closed. The drawstring


26


also may be pulled to help remove from the tube


21


a rolled pad


23


covered by the sleeve


25


.




As discussed above, the rolled pad


23


optionally may be inserted into the cloth sleeve


25


prior to being inserted into the storage tube


21


. Cloth sleeves


25


of varying colors may be used to distinguish different models of electronic heating pads


10


. Likewise, coloring may be added to the clear plastic for aesthetic reasons or to highlight features of various models and act as a simple method of coding the models. Transparent plastic storage tubes


21


of varying colors may reinforce consumer selection at the point of purchase. Additionally, transparent plastic storage tubes


21


, whether colored or clear, may permit consumers to view the actual texture and fabric


15


of the various types of heating pads


10


without opening the tubes


21


and handling the product, which may result in damage and warranty returns from the retailer. If a cloth sleeve


25


is used, a portion of the pad


10


may need to be exposed outside the sleeve


25


to reveal the texture and fabric


15


of the pad


10


.




A number of embodiments of the present invention have been described above. Nevertheless, it will be understood that various modifications may be made without departing from the spirit and scope of the invention. Accordingly, other embodiments may be within the scope of the following claims. It is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense. It is also understood that the following claims are intended to cover all of the generic and specific features of the invention herein described and all statements of the scope of the invention, expressed or implied.



Claims
  • 1. An electronic heating pad package comprising:a storage tube having a closed end and an open end, a lid removably attachable to the open end of the storage tube, and an electronic heating pad having a first edge and a cord and controller assembly coupled to heating wiring within the pad; wherein the pad is adapted to be rolled perpendicularly to the first edge around the cord and controller assembly coiled and lying parallel to the first edge, the tube is longer than the first edge of the pad and has a tube cross-sectional area greater than a roll cross-sectional area of a rolled electronic heating pad having been rolled perpendicularly to the first edge around the cord and controller assembly, and the rolled pad is adapted to be inserted removably into the storage tube.
  • 2. The electronic heating pad package as in claim 1, the package further comprising a cloth sleeve, wherein the cloth sleeve is adapted to cover the electronic heating pad.
  • 3. The electronic heating pad package as in claim 2, wherein the cloth sleeve is made of a fabric including at least one of cotton, silk, polyester, nylon, acetate, lycra, and spandex.
  • 4. The electronic heating pad package as in claim 2, wherein the sleeve is color-coded to indicate a variation in the electronic heating pad contained within the storage tube.
  • 5. The electronic heating pad package as in claim 1, wherein the storage tube is made of one of cardboard, metal, and plastic and the lid is made of one of cardboard, metal and plastic.
  • 6. The electronic heating pad package as in claim 5, wherein the storage tube is made of rigid, transparent plastic.
  • 7. The electronic heating pad package as in claim 1, wherein the storage tube has a non-circular cross-section.
  • 8. The electronic heating pad package as in claim 1, wherein the lid and the closed end have angular outer surfaces.
  • 9. The electronic heating pad package as in claim 1, the package further comprising a hanging support.
  • 10. The electronic heating pad package as in claim 1, wherein the lid attaches to the storage tube by one of being pushed into the tube, pushed onto the tube, screwed to the tube, hingedly secured to the tube and snapped to the tube.
  • 11. A method of packaging an electronic heating pad in a point-of-sale storage device;the electronic heating pad having a first edge and a cord and controller assembly coupled to heating wiring within the pad; the point-of-sale storage device including a storage tube having a closed end and an open end, and a lid removably attachable to the open end of the storage tube; the method including the following steps: coiling the cord and controller assembly, placing the coiled cord and controller assembly substantially parallel to the first edge of the pad, rolling the pad substantially perpendicularly to the first edge so as to roll the pad around the coiled cord and controller assembly, inserting the rolled pad into the storage tube, and closing the storage tube with the lid.
  • 12. The method of claim further comprising the following step:inserting the rolled pad into a cloth sleeve prior to inserting the rolled pad into the storage tube.
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