CN218949910U

CN218949910U - Co-extrusion film ice bag

Info

Publication number: CN218949910U
Application number: CN202320059667.3U
Authority: CN
Inventors: 彭亮; 江伟; 汪思久
Original assignee: Kunshan Wuihu Ice Bag Co ltd
Current assignee: Kunshan Wuihu Ice Bag Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-02
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the technical field of ice bags, in particular to a co-extrusion film ice bag which comprises a first protective layer, wherein an inner cavity of the first protective layer is connected with a first protective layer through a first bonding layer, an inner cavity of the first protective layer is connected with a second protective layer through a second bonding layer, an inner cavity of the second protective layer is connected with a second protective layer through a third bonding layer, a storage cavity is formed in the second protective layer, cavities are formed in the second protective layer and at four corners close to the storage cavity, and a plurality of folds are formed on the surfaces of the first protective layer, the second protective layer and above and below the storage cavity.

Description

Co-extrusion film ice bag

Technical Field

The utility model relates to the technical field of ice bags, in particular to a co-extrusion film ice bag.

Background

With the development of online shopping and express industry, more and more merchants choose to sell or express fresh foods such as vegetables, fruits, fish, meat, chickens and ducks, or biological agents on the internet. Under the condition of refrigerating and preserving with ice bags, the articles can be quickly delivered.

The existing ice bags are various in types and generally need to be used after freezing, most of the ice bags are composite soft packages, the composite soft packages are easily layered by adopting glue adhesion, puncture resistance, abrasion resistance and stretching property are poor, the ice bags are used after freezing and hardening, four corners of the ice bags are easy to be damaged, and food pollution is caused by leakage of cold storage agent in the ice bags after melting. In view of this, we propose a coextruded film ice bag.

Disclosure of Invention

The utility model aims to provide a co-extrusion film ice bag for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a crowded membrane ice bag altogether, includes first inoxidizing coating, the inner chamber of first inoxidizing coating is connected with first protective layer through first tie coat, the inner chamber of first protective layer is connected with the second inoxidizing coating through the second tie coat, the inner chamber of second inoxidizing coating is connected with the second protective layer through the third tie coat, the storage cavity has been seted up in the second protective layer, the cavity has all been seted up in the second protective layer and near four corners in storage cavity, the surface of first inoxidizing coating, first protective layer, second protective layer and second protective layer just is located the upper and lower side in storage cavity all is provided with a plurality of creases.

Preferably, four corners of the storage cavity are of inclined curved surface structures.

Further, the cold storage agent in the ice bag is ensured to be used after being frozen and hardened, and the four corners of the ice bag cannot be damaged when being collided or fallen, so that food pollution caused by leakage after the cold storage agent in the ice bag is melted is avoided.

Preferably, the cavity is filled with a gas.

Further, ensure that the cavity can be filled with air, can reduce the expense of ice bag production, reduce the expense of mill to after filling with air in the cavity, the four corners department of ice bag receives collision or falls down when contacting with ground, and the air in the cavity can play the cushioning effect, further prevents the damage of ice bag.

Preferably, a number of said folds is at least 4.

Further, ensure that the surface of first inoxidizing coating, first protective layer, second inoxidizing coating and second protective layer and be located the position of upper and lower side of bin all receives the crease fixed, guarantee that first inoxidizing coating, first protective layer, second protective layer and second protective layer can further stable fix together, avoid each layer in the ice bag to separate easily and drop.

Preferably, the first protective layer and the second protective layer are nylon co-extrusion films, the first bonding layer, the second bonding layer and the third bonding layer are all adhesive resins, and the first protective layer and the second protective layer are nylon composite PE films.

Further, the nylon co-extruded film and the nylon composite PE film have excellent mechanical properties, impact resistance, strong resilience and soft touch, so that the tensile strength, abrasion resistance and puncture resistance of the ice bag are enhanced, and the ice bag can be heat-sealed efficiently and rapidly by the adhesive resin.

Compared with the prior art, the utility model has the beneficial effects that:

1. the co-extrusion film ice bag ensures that the surfaces of the first protective layer, the second protective layer and the second protective layer are fixed by folds at the positions above and below the storage cavity, ensures that the first protective layer, the second protective layer and the second protective layer can be further and stably fixed together, and avoids that all layers in the ice bag are easy to separate and fall off; the nylon co-extrusion film and the nylon composite PE film have excellent mechanical properties and impact resistance, strong resilience and soft touch, so that the tensile strength, abrasion resistance and puncture resistance of the ice bag are enhanced, and the adhesive resin enables the ice bag to realize high-efficiency and rapid heat sealing.

2. This crowded membrane ice bag altogether, through the cavity that sets up, ensure that the cavity can pack the air, reducible ice bag production's expense reduces the expense of mill, and after filling the air in the cavity, the four corners department of ice bag receives the collision or when dropping and ground contact, the air in the cavity can play the cushioning effect, further prevent that the ice bag is damaged, simultaneously, four corners of storage chamber all are slope curved surface column structure, ensure that the coolant in the ice bag uses after freezing hardening, receive the collision or drop can not let the four corners department of ice bag appear damaging, thereby avoid in the ice bag coolant in the coolant bag leak after melting and cause food pollution.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the overall apparatus of the present utility model;

FIG. 3 is a schematic cross-sectional view of a second passivation layer according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a first protective layer; 11. folding; 2. a first adhesive layer; 3. a first protective layer; 4. a second adhesive layer; 5. a second protective layer; 6. a third adhesive layer; 7. a second protective layer; 71. a storage chamber; 72. a cavity.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a crowded membrane ice bag altogether, including first inoxidizing coating 1, the inner chamber of first inoxidizing coating 1 is connected with first protective layer 3 through first tie coat 2, the inner chamber of first protective layer 3 is connected with second inoxidizing coating 5 through second tie coat 4, the inner chamber of second protective layer 5 is connected with second protective layer 7 through third tie coat 6, storage cavity 71 has been seted up in the second protective layer 7, cavity 72 has all been seted up in the second protective layer 7 and be close to four corners of storage cavity 71, the surface of first inoxidizing coating 1, first protective layer 3, second protective layer 5 and second protective layer 7 just is located the upper and lower side of storage cavity 71 all is provided with a plurality of crease 11.

In this embodiment, the four corners of the storage cavity 71 are all in an inclined curved surface structure, so that the coolant in the ice bag is ensured to be used after being frozen and hardened, and the corners of the ice bag cannot be damaged due to collision or dropping, thereby avoiding food pollution caused by leakage of coolant in the ice bag after melting.

In this embodiment, the air is filled in the cavity 72, so that air can be filled in the cavity 72, the cost of ice bag production can be reduced, and the cost of a factory can be reduced.

In this embodiment, the number of folds 11 is at least 4, so that the surfaces of the first protective layer 1, the first protective layer 3, the second protective layer 5 and the second protective layer 7 and the positions above and below the storage cavity 71 are all fixed by the folds 11, and the first protective layer 1, the first protective layer 3, the second protective layer 5 and the second protective layer 7 are further and stably fixed together, so that the layers in the ice bag are prevented from being separated and falling easily.

In this embodiment, the first protective layer 1 and the second protective layer 5 are all made of nylon co-extrusion films, the first adhesive layer 2, the second adhesive layer 4 and the third adhesive layer 6 are all made of adhesive resins, the first protective layer 3 and the second protective layer 7 are made of nylon composite PE films, and the nylon co-extrusion films and the nylon composite PE films have excellent mechanical properties and impact resistance, strong resilience and soft touch, so that the tensile strength, wear resistance and puncture resistance of the ice bag are enhanced, and the adhesive resins enable the ice bag to realize high-efficiency and rapid heat sealing.

It is worth to say that, because of the vacuum-pumping moisture-proof, fresh-keeping, oxidation-proof and fresh-keeping package requiring freezing at-18 ℃ to-15 ℃, the multilayer nylon co-extrusion asymmetric structure of the whole device, the melting temperature of the first protective layer 1 and the second protective layer 5 is high (230 ℃ to 280 ℃) and can be used as a surface layer and a printing surface, the melting point of the first protective layer 3 and the second protective layer 7 (90 ℃ to 100 ℃) can be low and can be used as a heat seal layer, when the temperature of the sealing mould is set at 150 ℃ to 180 ℃, the first protective layer 1 and the second protective layer 5 on the surface are not melted, the sealing first protective layer 3 and the second protective layer 7 are already melted and adhered, and the mould and the cutter are isolated by the unmelted first protective layer 1 and the second protective layer 5, so that adhesion is avoided, and the operation is simple and efficient.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a crowded membrane ice bag altogether, its characterized in that includes first inoxidizing coating (1), the inner chamber of first inoxidizing coating (1) is connected with first protective layer (3) through first tie coat (2), the inner chamber of first protective layer (3) is connected with second inoxidizing coating (5) through second tie coat (4), the inner chamber of second inoxidizing coating (5) is connected with second protective layer (7) through third tie coat (6), storage chamber (71) have been seted up in second protective layer (7), cavity (72) have all been seted up in second protective layer (7) and are close to four corners of storage chamber (71), the surface of first inoxidizing coating (1), first protective layer (3), second inoxidizing coating (5) and second protective layer (7) just are located the top below of storage chamber (71) all is provided with a plurality of crease (11).

2. The coextruded film ice bag of claim 1 wherein: four corners of the storage cavity (71) are of inclined curved surface structures.

3. The coextruded film ice bag of claim 1 wherein: the cavity (72) is filled with a gas.

4. The coextruded film ice bag of claim 1 wherein: the number of folds (11) is at least 4.

5. The coextruded film ice bag of claim 1 wherein: the first protective layer (1) and the second protective layer (5) are nylon co-extrusion films, the first bonding layer (2), the second bonding layer (4) and the third bonding layer (6) are all adhesive resins, and the first protective layer (3) and the second protective layer (7) are nylon composite PE films.