CN216302067U

CN216302067U - Self-heating food and flexible package thereof

Info

Publication number: CN216302067U
Application number: CN202121473963.5U
Authority: CN
Inventors: 廖小军; 吴晓蒙; 姜嘉雯
Original assignee: China Agricultural University
Current assignee: China Agricultural University
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-04-15
Anticipated expiration: 2031-06-30

Abstract

The present invention relates to a self-heating food product and flexible packaging therefor. A self-heating food flexible package for packaging a self-heating food product, said flexible package comprising a flexible outer pouch which is a flexible compressible pouch which can be reduced in volume and expanded when the self-heating food product is to be heated. The utility model utilizes the flexible package to greatly reduce the volume of the self-heating food package and reduce the storage and transportation cost on the premise of ensuring the original packaging function. Meanwhile, the smaller product volume is convenient for consumers to carry, and the product has wide market prospect.

Description

Self-heating food and flexible package thereof

Technical Field

The utility model relates to the technical field of food packaging, in particular to self-heating food and flexible packaging thereof.

Background

The existing self-heating food package is usually composed of an outer package, an inner box, a food package, a water bag, an exothermic agent package, an accessory package and the like, the package is in the form of a sleeve box, the outer package is usually made of hard materials, and enough space is reserved for the reaction of the exothermic agent during heating. However, the volume reserved in the part of the external packing box is useless in storage, transportation and other links before the use of a consumer, the transportation and storage cost is increased, and the unnecessary packing volume brings inconvenience to the carrying of the consumer. In addition, the unnecessary packaging volume after the end of the use of the product increases the amount of packaging waste generated, which imposes an environmental burden. Under the situation that the sustainable concept is continuously deepened into people, the environmental protection concept has deeply influenced the daily shopping selection of consumers, and the flexible package gradually becomes the future trend of transformation and upgrading of the packaging industry due to a plurality of advantages of environmental protection, convenience, health and the like. Therefore, the volume of self-heating food packages is reduced, and the development of a flexible package for self-heating food is a necessary trend in the development of self-heating food packages.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a self-heating food product and flexible packaging therefor that overcomes the transportation and storage difficulties associated with the large volume packaging of self-heating food products of the prior art.

The present invention provides, in a first aspect, a self-heating flexible food package for packaging a self-heating food product, the flexible package comprising a flexible outer pouch which is a flexible compressible bag capable of being reduced in volume and expanded when the self-heating food product is to be heated.

According to one embodiment of the utility model, the flexible outer pouch is a collapsible pouch comprising in the height direction a corrugated portion which is collapsible and has a support to support its own weight.

According to an embodiment of the utility model, the flexible package further comprises a foldable support panel for supporting the flexible outer envelope after assembly is completed.

According to one embodiment of the utility model, the foldable support plate is provided with a support part at the top after the assembly is completed, and the support part is used for supporting the food inner holding box.

According to one embodiment of the present invention, the foldable support panel is foldable into a planar configuration when not in use, and preferably comprises a central rectangular panel and four first flaps fixedly attached to four sides of the central rectangular panel, respectively.

According to one embodiment of the present invention, two relatively narrow first folded plates are fixedly connected to the ends of the first folded plates, which are not connected to the central rectangular plate, on two opposite sides of the first folded plates, and double-sided tapes are attached to the second folded plates; two relatively wide first folded plates in the first folded plate are arranged near two respective opposite side edges, and holes matched with the second folded plate in size are formed in the ends, which are not connected with the central rectangular plate, of the first folded plates.

According to one embodiment of the utility model, the foldable support plate is a polypropylene or other rigid material plate.

According to one embodiment of the utility model, the dimensions of the bottom surface of the bag of the flexible outer package and of the central rectangular plate of the foldable support panel are identical to or slightly larger than the dimensions of the bottom surface of the tray.

According to one embodiment of the utility model, the overall volume of the flexible outer package has a post-deployment height greater than the height of the food serving tray.

The utility model also provides self-heating food which comprises the self-heating food flexible package.

The utility model utilizes the flexible package to greatly reduce the volume of the self-heating food package and reduce the storage and transportation cost on the premise of ensuring the original packaging function. Meanwhile, the smaller product volume is convenient for consumers to carry, and the product has wide market prospect.

Drawings

FIG. 1 is a schematic view of an overall appearance structure according to an embodiment of the present invention;

FIG. 2 is an expanded view of the volume of the package according to an embodiment of the present invention;

FIG. 3 is a schematic view of a folded support plate according to an embodiment of the present invention;

FIG. 4 is an assembled view of a foldable support panel according to an embodiment of the present invention;

FIG. 5 is a schematic view of a flexible and stretchable outer pouch according to an embodiment of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the utility model can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.

The present invention provides, in a first aspect, a self-heating flexible food package for packaging a self-heating food product, the flexible package comprising a flexible outer pouch which is a flexible compressible bag capable of being reduced in volume and expanded when the self-heating food product is to be heated. The flexible package can be in a volume compressed state during transportation, occupies little space, and is spread when in use so as to carry out normal heating and other operations. On the premise of ensuring the original packaging function, the technical scheme of the utility model greatly reduces the volume of self-heating food packaging and reduces the storage and transportation cost.

The flexible package may be a self-supporting or otherwise structurally supportive package, as described in more detail below.

According to one embodiment of the present invention, as shown in fig. 5, the flexible outer bag is a stretchable bag, which is a self-supporting type, and includes a wrinkled portion in a height direction, the wrinkled portion having a bellows shape, the wrinkled portion being stretchable and having a supportability to support its own weight.

According to an embodiment of the utility model, the flexible packaging is a packaging additionally provided with a support structure, the flexible packaging further comprising a foldable support panel for supporting said flexible outer envelope after assembly. The flexible outer bag can be a common flexible packaging bag, such as a plastic bag.

As shown in FIG. 1, according to another embodiment of the present invention, a self-heating flexible food package comprises an overwrap bag 100 and a foldable support panel 200, the overwrap bag 100 comprising a two-part volume (as shown in FIG. 2) of a lower portion 110 and an upper portion 120. Overwrap bag 100 is made of a flexible material and is compressible. During storage and transportation, the outer bag is unfolded only by the lower portion 110 to accommodate the self-heating rice box and some other small accessories, and the upper portion 120 is folded down to a volume as small as possible. Upon consumption by the consumer, the lower portion 110 and the upper portion 120 of the overwrap bag expand in volume simultaneously to provide sufficient space for the exothermic agent to react. The flexible outer packaging bag is used for reducing the useless volume of the self-heating food package in the storage and transportation processes and reducing the storage and transportation cost. Meanwhile, the flexible outer packaging bag is adopted, so that the using amount of packaging materials can be reduced, the packaging cost is saved, and the sustainable development of the society is facilitated.

In order to ensure the strength of the self-heating food original package and the safety in the heating process, the foldable support plate 200 is added on the basis of original accessories in the self-heating food package.

According to one embodiment of the present invention, the foldable support panel 200 is shown in an expanded view in fig. 4, and comprises a central rectangular panel 205, four rectangular first flaps a 201, a first flap b 202, a first flap c 203, and a first flap d 204, wherein the first flap a 202 and the first flap d 204 are respectively connected with two second flaps a 207 and b 209, a second flap c 206, and a second flap d 208, the upper portions of the four second flaps c 206, a second flap a 207, a second flap d 208, and a second flap b 209 are respectively adhered with a double-sided adhesive tape a 210, a double-sided adhesive tape b 211, a double-sided adhesive tape c 212, and a double-sided adhesive tape d 213, and the two ends of the upper portions of the first flap a 201 and the first flap c 203 are respectively provided with a hole 214, a hole 215 b 215, and a hole 215 b 213 that are adapted to the size of the second flap at the corresponding positions, Hole c 216, hole d 217. The foldable support panel 200 is folded inwardly to form a flat panel with the first four

flaps

201, 202, 203, 204 during storage and transportation, as shown in fig. 3. Before the consumer heats the food, the consumer folds the first folding board a 201, the first folding board b 202, the first folding board c 203, the first folding board d 204, the second folding board a 207, the second folding board b 209, the second folding board c 206 and the second folding board d 208 upwards, and tears off the stickers of the four double-sided adhesive tapes a 210, the double-sided adhesive tape b 211, the double-sided adhesive tape c 212 and the double-sided adhesive tape d 213 on the second folding board. The second flap c 206 is passed through the hole a 214 and the double-sided adhesive a 210 is adhered in place to the first flap a 201; the second flap a 207 is passed through the hole b 215 and the double-sided adhesive b 211 is glued in place to the first flap a 201; the second flap d 208 is passed through the hole c 216 and the double-sided adhesive c 212 is glued in place to the first flap c 203; the second flap b 209 is passed through the hole d 217 and the double-sided adhesive d 213 is adhered in place to the first flap 203, and the foldable support panel is assembled and placed within the flexible overwrap bag 100, and also supports the food tray and provides space for the exothermic reaction during heating.

The flexible package is provided with a cover at the opening which can be opened and closed so as to be convenient for loading, taking and closing articles, which is a common design and is not described in detail and is omitted from illustration.

The utility model also provides a self-heating food which comprises the self-heating food flexible package.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the system or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In addition, in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above embodiments are only used for illustrating the present invention, and all the components and devices of the embodiments may be changed, and all the equivalent changes and modifications based on the technical solutions of the present invention should not be excluded from the protection scope of the present invention.

Claims

1. A self-heating flexible food package for packaging a self-heating food product, the flexible package comprising a flexible outer pouch that is a flexible compressible bag capable of being reduced in volume and expanded when the self-heating food product requires heating.

2. The self-heating flexible food package of claim 1 wherein the flexible overwrap bag is a collapsible bag including a corrugated portion in the height direction, the corrugated portion being bellows-shaped, the corrugated portion being collapsible and supportive of its own weight.

3. The self-heating flexible food package of claim 1 further comprising a foldable support panel for supporting the flexible outer wrapper bag after assembly is complete.

4. The self-heating flexible food package of claim 3 wherein the foldable support panel is provided with a support at the top for supporting the serving tray after assembly.

5. The self-heating flexible food package of claim 3 or 4 wherein the foldable support panel is foldable into a planar configuration when not in use.

6. The self-heating flexible food package of claim 5 wherein said foldable support panel comprises a central rectangular panel and four first flaps fixedly attached to four sides of said central rectangular panel, respectively.

7. The self-heating flexible food package of claim 6 wherein two of said first flaps are relatively narrow on opposite sides and are fixedly attached at one end not connected to said central rectangular panel to a second flap, and wherein said second flaps are attached with double-sided adhesive; two relatively wide first folded plates in the first folded plate are arranged near two respective opposite side edges, and holes matched with the second folded plate in size are formed in the ends, which are not connected with the central rectangular plate, of the first folded plates.

8. The self heating flexible food package of claim 3 or 4 or 6 wherein the foldable support panel is a polypropylene plastic panel or other rigid material panel.

9. The self-heating flexible food package of claim 3, 4 or 6 wherein the bottom pouch surface of the flexible outer pouch and the central rectangular panel of the foldable support panel are sized to be the same or slightly larger than the bottom surface of the inner tray.

10. The self-heating flexible food package of claim 9 wherein the overall volume of the flexible outer wrapper bag has an expanded height greater than the height of the inner tray.

11. A self-heating food product, comprising the self-heating food product flexible package of any one of claims 1-10.