CN219407589U

CN219407589U - High temperature resistant film packaging bag that cooks

Info

Publication number: CN219407589U
Application number: CN202320544094.3U
Authority: CN
Inventors: 缪茂泉; 方崇晓; 刘用; 张长福; 金孟访
Original assignee: Wenzhou Delong Packaging Products Co ltd
Current assignee: Wenzhou Delong Packaging Products Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-07-25
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a high-temperature-resistant steaming and boiling film packaging bag which comprises a bag body, wherein a deflation port is formed in the top end of the bag body, a deflation structure is arranged in the deflation port, a PET film layer is arranged in the bag body, a first protection layer is arranged on the outer side of the PET film layer, a second protection layer is arranged on the outer side of the first protection layer, a polypropylene film layer is arranged on the outer side of the second protection layer, the deflation structure comprises a connecting strip, a plug and a bulge, two ends of the connecting strip are fixedly connected with the plug and the bag body respectively, the first protection layer and the second protection layer are BOPP films, the thickness is between 20 and 25 microns, the thicknesses of the PET film layer and the polypropylene film layer are between 16 and 25 microns, and if a continuous bag expanding phenomenon occurs, a user can pull the plug out of the deflation port in the steaming and boiling process, and can continue covering or opening the bag after the interior is stable, and the situation of cracking is avoided.

Description

High temperature resistant film packaging bag that cooks

Technical Field

The utility model relates to the field of packaging bags, in particular to a high-temperature-resistant steaming and boiling film packaging bag.

Background

The high-temperature steaming bag is a composite plastic film bag capable of being subjected to heating treatment, has the advantages of a can container and a boiling water resistant plastic bag, is used for packaging foods subjected to high-temperature sterilization, has long shelf life at normal temperature, and is convenient to transport, store and sell.

In chinese patent CN202122925937.8, an edible aseptic retort pouch is described, in which the second easy-to-tear opening can open the pouch body, take out the articles in the pouch body, be convenient to use, and also can enhance the puncture resistance of the retort pouch through the first puncture resistant protective layer, the aluminum foil layer and the second puncture resistant protective layer, so that the retort pouch is not easily pierced, however, in actual operation, it is found by those skilled in the art that: when the structure is used, the bag expansion device is only suitable for foods which cannot be expanded or vacuum-packed, and other foods have obvious bag expansion phenomenon and cannot be solved when being used, and the internal gas pressure can be gradually increased.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the high-temperature-resistant steaming and boiling film packaging bag, through the arranged deflation structure and the deflation port, if a continuous bag expansion phenomenon occurs, a user can pull out the plug from the deflation port in the steaming and boiling process, release internal gas, and can continue to cover or open after the internal part is stable, so that the situation of cracking is avoided.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a high temperature resistant film wrapping bag that cooks, includes the bag body, the air vent has been seted up on the top of the bag body, be provided with the gassing structure in the air vent, be provided with the PET thin film layer in the bag body, the outside of PET thin film layer is provided with first protective layer, the outside of first protective layer is provided with the second protective layer, the outside of second protective layer is provided with the polypropylene thin film layer, including connecting strip, end cap and arch in the gassing structure, the both ends of connecting strip respectively with end cap and bag body fixed connection.

As a preferable technical scheme of the utility model, the first protective layer and the second protective layer are BOPP films, and the thickness of the first protective layer and the second protective layer is between 20 and 25 micrometers.

As a preferable technical scheme of the utility model, the thickness of the PET film layer and the polypropylene film layer is between 16 and 25 micrometers.

As a preferable technical scheme of the utility model, the air release structure is made of PE, the bulge is of an annular structure, the bulge is fixed on the outer side wall of the plug, and the size of the bulge is larger than that of the air release opening.

As a preferable technical scheme of the utility model, the two sides of the top end of the air release opening are provided with the easily torn opening structures.

As a preferable technical scheme of the utility model, all layers are connected and fixed through an adhesive.

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

1. in the device, the puncture resistance of the steaming bag is enhanced by arranging the first protective layer and the second protective layer, so that the steaming bag is not easy to puncture; protecting the food inside.

2. In this device, through gassing structure and the relief vent that set up, if appear the bag phenomenon that rises of persistence, the user can be in the cooking in-process, pulls out the end cap from the relief vent, emits the gas of inside, and after waiting inside steady, can continue to cover or open, avoids taking place the circumstances of breaking.

Drawings

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

FIG. 2 is a second schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic diagram of the structure shown at A in FIG. 2;

fig. 4 is a schematic cross-sectional view of fig. 2 at B.

Wherein: 1. a bag body; 11. a PET film layer; 12. a first protective layer; 13. a second protective layer; 14. a polypropylene film layer; 15. a vent port; 2. a deflation structure; 21. a connecting strip; 22. a plug; 23. a protrusion.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-4, the utility model provides a high-temperature-resistant steaming and boiling film packaging bag, which comprises a bag body, wherein the top end of the bag body is provided with a deflation port, a deflation structure is arranged in the deflation port, a PET film layer is arranged in the bag body, a first protection layer is arranged on the outer side of the PET film layer, a second protection layer is arranged on the outer side of the first protection layer, a polypropylene film layer is arranged on the outer side of the second protection layer, the deflation structure comprises a connecting strip, a plug and a bulge, and two ends of the connecting strip are fixedly connected with the plug and the bag body respectively; through gassing structure 2 and the relief vent 15 that set up, if appear the bag phenomenon that rises of persistence, the user can be in the cooking in-process, pulls out the end cap from the relief vent 15, emits the gas of inside, and after the inside is steady, can continue to cover or open, avoids taking place the circumstances of breaking.

In other embodiments, the first protective layer and the second protective layer are BOPP films and have a thickness between 20-25 microns.

In other embodiments, the thickness of the PET film layer and the polypropylene film layer is between 16-25 microns; through the first protective layer 12 and the second protective layer 13, the puncture resistance of the retort pouch is enhanced, so that the retort pouch is not easy to puncture; protecting the food inside.

In other embodiments, the deflation structure is made of PE, the protrusions are annular structures, the protrusions are fixed on the outer side wall of the plug, and the size of the protrusions is larger than that of the deflation port.

In other embodiments, the easy-to-tear structure is provided on both sides of the top end of the air vent, thereby improving practicability.

In other embodiments, all layers are connected and fixed through an adhesive, so that the structural connection effect between the layers is improved, and the phenomenon of scattering is avoided.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

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. High temperature resistant film wrapping bag of cooking, its characterized in that: including the bag body (1), bleed port (15) have been seted up on the top of the bag body (1), be provided with gassing structure (2) in bleed port (15), be provided with PET thin film layer (11) in the bag body (1), the outside of PET thin film layer (11) is provided with first protective layer (12), the outside of first protective layer (12) is provided with second protective layer (13), the outside of second protective layer (13) is provided with polypropylene thin film layer (14), including connecting strip (21), end cap (22) and arch (23) in gassing structure (2), the both ends of connecting strip (21) respectively with end cap (22) and bag body (1) fixed connection.

2. The high temperature resistant retortable film package of claim 1, wherein: the first protective layer (12) and the second protective layer (13) are BOPP films, and the thickness is between 20 and 25 micrometers.

3. The high temperature resistant retortable film package of claim 1, wherein: the thickness of the PET film layer (11) and the polypropylene film layer (14) is between 16 and 25 micrometers.

4. The high temperature resistant retortable film package of claim 1, wherein: the air release structure (2) is made of PE, the bulge (23) is of an annular structure, the bulge (23) is fixed on the outer side wall of the plug (22), and the size of the bulge (23) is larger than that of the air release opening (15).

5. The high temperature resistant retortable film package of claim 1, wherein: the two sides of the top end of the air release opening (15) are provided with easy-tearing opening structures.

6. The high temperature resistant retortable film package of claim 1, wherein: all the layers are connected and fixed through an adhesive.