CN221273951U - Steaming and boiling microwave packaging bag - Google Patents
Steaming and boiling microwave packaging bag Download PDFInfo
- Publication number
- CN221273951U CN221273951U CN202322681515.XU CN202322681515U CN221273951U CN 221273951 U CN221273951 U CN 221273951U CN 202322681515 U CN202322681515 U CN 202322681515U CN 221273951 U CN221273951 U CN 221273951U
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- CN
- China
- Prior art keywords
- bag body
- film
- thickness
- nylon
- layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 31
- 238000010025 steaming Methods 0.000 title abstract description 7
- 238000009835 boiling Methods 0.000 title abstract description 6
- 239000010410 layer Substances 0.000 claims abstract description 34
- 229920006267 polyester film Polymers 0.000 claims abstract description 25
- 239000004677 Nylon Substances 0.000 claims abstract description 23
- 239000004743 Polypropylene Substances 0.000 claims abstract description 22
- -1 polypropylene Polymers 0.000 claims abstract description 22
- 229920001155 polypropylene Polymers 0.000 claims abstract description 22
- 229920001778 nylon Polymers 0.000 claims abstract description 21
- 239000012790 adhesive layer Substances 0.000 claims abstract description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 11
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 14
- 238000010411 cooking Methods 0.000 claims description 2
- 229920006284 nylon film Polymers 0.000 claims description 2
- 239000012785 packaging film Substances 0.000 abstract description 14
- 229920006280 packaging film Polymers 0.000 abstract description 14
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000011247 coating layer Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 230000035699 permeability Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The application discloses a steaming and boiling microwave packaging bag which comprises a bag body and a bottom insert, wherein the bag body is a flexible bag body, the bag body and the bottom insert are matched together to form a closed cavity, an expansion notch is formed in the bag body, the wall thickness of the expansion notch is smaller than that of other parts of the bag body, the bag body comprises a polypropylene film, nylon and a polyester film, the nylon is positioned between the polypropylene film and the polyester film, a first adhesive layer is arranged between the polypropylene film and the nylon, an ink layer is arranged between the polyester film and the nylon, a second adhesive layer is arranged between the ink layer and the nylon, an alumina film layer is attached to the polyester film, the alumina film layer is positioned outside the cavity, and the polypropylene film is positioned in the cavity. The packaging bag has the following beneficial effects: through setting up inflation breach and attaching the alumina coating layer at the surface of packaging film, through reducing the expansion amount and independently leak gas, avoided whole wrapping bag to take place the burst in the heating process.
Description
Technical Field
The utility model relates to the field of packaging tools, in particular to a steaming and boiling microwave packaging bag.
Background
The packaging bag is a packaging article commonly used at present, the packaging bag is prepared by adopting a composite packaging film shown in patent publication CN207388495U, and the packaging bag prepared by the packaging film has a problem when in use, namely, the packaging film with the structure is formed by compositing plastic films, so that the whole packaging bag prepared by the packaging film can be expanded when being heated by microwaves, and the packaging bag has a potential safety hazard of burst when being expanded.
Disclosure of utility model
The utility model provides a steaming and boiling microwave packaging bag aiming at the problems.
The technical scheme adopted by the utility model is as follows:
The utility model provides a cooking microwave packaging bag, includes the bag body and bottom inserted sheet, the bag body is flexible bag body, bag body and bottom inserted sheet cooperate together to form inclosed cavity (this cavity is used for placing food), the inflation breach has been seted up on the bag body, and the wall thickness of inflation breach department is less than the wall thickness of other departments of bag body, the bag body includes polypropylene film, nylon and polyester film, nylon is located between polypropylene film and the polyester film, be provided with first adhesive layer between polypropylene film and the nylon, be provided with the printing ink layer between polyester film and the nylon, be provided with the second adhesive layer between printing ink layer and the nylon, be attached with the alumina rete on the polyester film, the alumina rete is located outside the cavity, the polypropylene film is located the cavity.
In the packaging bag, the expansion notch is formed in the bag body, and the wall thickness of the expansion notch is minimum, so that when the packaging bag is heated by microwaves, gas in the packaging bag expands to open the expansion notch (cracks are formed), and redundant gas is discharged through the expansion notch.
Meanwhile, in the packaging bag, the packaging film for preparing the packaging bag is formed by compounding a polypropylene film, nylon and a polyester film, has good strength, reduces the thermal expansion amount, is attached with an aluminum oxide film layer at the outermost side, can cover the whole packaging film, and has the effects of reducing the moisture permeability and oxygen permeability of the packaging and prolonging the quality guarantee period of contents.
To sum up, this kind of wrapping bag is through setting up inflation breach and attaching the alumina coating layer at the surface of packaging film, through reducing the expansion volume and independently leak gas, has avoided whole wrapping bag to take place the burst at the heating in-process.
In this wrapping bag, set up the bottom inserted sheet in order to can vertically place whole wrapping bag when needs.
Optionally, the bag body is provided with a holding part, and the wall thickness of the holding part is larger than the wall thickness of other parts of the bag body.
The function of the hand-held part is to facilitate the holding of the user.
Optionally, a break is provided on the bag.
The function of the break is to facilitate tearing of the entire package when in use.
Optionally, the thickness of the aluminum oxide film layer is less than the thickness of the polyester film.
Optionally, the thickness of the first adhesive layer is equal to the thickness of the second adhesive layer.
Optionally, the thickness of the ink layer is less than the thickness of the polyester film.
Optionally, the thickness of the aluminum oxide film layer is smaller than the thickness of the ink layer.
Optionally, the thickness of the aluminum oxide film layer is smaller than the thickness of the polypropylene film.
The beneficial effects of the utility model are as follows: through setting up inflation breach and attaching the alumina coating layer at the surface of packaging film, through reducing the expansion amount and independently leak gas, avoided whole wrapping bag to take place the burst in the heating process.
Drawings
FIG. 1 is a schematic and schematic diagram of a steaming microwave package;
FIG. 2 is a schematic diagram of the composite relationship of the films.
The reference numerals in the drawings are as follows: 1. a bag body; 101. an expansion gap; 102. breaking the slit; 103. a hand-held part; 2. a bottom insert; 11. an alumina film layer; 12. a polyester film; 13. an ink layer; 14. a second adhesive layer; 15. a nylon layer; 16. a first adhesive layer; 17. a polypropylene film.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
As shown in the attached drawings 1 and 2, the steaming and boiling microwave packaging bag comprises a bag body 1 and a bottom inserting sheet 2, wherein the bag body 1 is a flexible bag body 1, the bag body 1 and the bottom inserting sheet 2 are matched together to form a closed cavity (the cavity is used for placing food), an expansion notch 101 is formed in the bag body 1, the wall thickness of the expansion notch 101 is smaller than that of other parts of the bag body 1, the bag body 1 comprises a polypropylene film 17, nylon and a polyester film 12, the nylon is positioned between the polypropylene film 17 and the polyester film 12, a first adhesive layer 16 is arranged between the polypropylene film 17 and the nylon, an ink layer 13 is arranged between the polyester film 12 and the nylon, a second adhesive layer 14 is arranged between the ink layer 13 and the nylon, an aluminum oxide film layer 11 is attached to the polyester film 12, the aluminum oxide film layer 11 is positioned outside the cavity, and the polypropylene film 17 is positioned in the cavity.
In this packaging bag, since the bag body 1 is provided with the expansion notch 101, the wall thickness of the expansion notch 101 is minimized, and therefore, when the packaging bag is heated by microwaves, the expansion notch 101 is expanded by the gas in the packaging bag (cracks are generated), and the surplus gas is discharged through the expansion notch 101.
Meanwhile, in the packaging bag, the packaging film for preparing the packaging bag is formed by compounding the polypropylene film 17, the nylon and the polyester film 12, the packaging film has good strength, the thermal expansion is reduced, meanwhile, the outermost side of the packaging film is adhered with the aluminum oxide film layer 11, the aluminum oxide film layer 11 can play a role in coating the whole packaging film, and the effects of reducing the moisture permeability and the oxygen permeability of the packaging and prolonging the shelf life of contents are achieved.
To sum up, this kind of wrapping bag is through setting up inflation breach 101 and attaching alumina membrane layer 11 at the surface of packaging film, through reducing the expansion amount and independently leak gas, has avoided whole wrapping bag to take place the burst in the heating process.
In this package, the bottom tab 2 is provided so that the entire package can be placed vertically when needed.
The packaging bag is characterized in that the bag body, the bottom inserting sheet and the left side and the right side of the bag body are firstly heat-sealed together, and one side of the top of the bag is left out of heat sealing, so that a prefabricated bag is formed. When in use, the food material is put into the prefabricated bag from the unheated side, and then the tops of the packaging bags are thermally bonded together.
As shown in fig. 1 and 2, the bag body 1 is provided with a holding portion 103, and the wall thickness of the holding portion 103 is larger than the wall thickness of the rest of the bag body 1.
The hand-holding part 103 is provided to facilitate the grasping by the user.
As shown in fig. 1 and 2, the bag body 1 is provided with a breaking slit 102.
The provision of the break-away slit 102 serves to facilitate tearing of the entire package during use.
As shown in fig. 1 and 2, the thickness of the aluminum oxide film layer is less than the thickness of the polyester film 12.
As shown in fig. 1 and 2, the thickness of the first adhesive layer 16 is equal to the thickness of the second adhesive layer 14.
As shown in fig. 1 and 2, the thickness of the ink layer 13 is smaller than the thickness of the polyester film 12.
As shown in fig. 1 and 2, the thickness of the aluminum oxide film layer 11 is smaller than the thickness of the ink layer 13.
As shown in fig. 1 and 2, the thickness of the aluminum oxide film layer 11 is smaller than that of the polypropylene film 17.
The packaging bag adopts materials which can resist the high temperature of 121 ℃ for 30 min.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but is intended to cover all equivalent modifications, direct or indirect, as would be included in the scope of the utility model.
Claims (8)
1. The utility model provides a cooking microwave packaging bag, its characterized in that includes bag body and bottom inserted sheet, the bag body is flexible bag body, bag body and bottom inserted sheet cooperate together to form inclosed cavity, set up the inflation breach on the bag body, and the wall thickness of inflation breach department is less than the wall thickness of other departments of bag body, the bag body includes polypropylene film, nylon and polyester film, nylon is located between polypropylene film and the polyester film, be provided with first adhesive layer between polypropylene film and the nylon, be provided with the printing ink layer between polyester film and the nylon, be provided with the second adhesive layer between printing ink layer and the nylon, be adhered with the alumina rete on the polyester film, the alumina rete is located outside the cavity, the polypropylene film is located the cavity.
2. The retortable microwave package of claim 1, wherein the pouch body is provided with a hand-held portion having a wall thickness greater than a wall thickness of the pouch body elsewhere.
3. The retortable microwave package of claim 1, wherein the pouch body is provided with a break.
4. The retortable microwave package of claim 1, wherein the thickness of the aluminum oxide film layer is less than the thickness of the polyester film.
5. The retortable microwave package of claim 1, wherein the thickness of the first adhesive layer is equal to the thickness of the second adhesive layer.
6. The retortable microwave package of claim 1, wherein the ink layer has a thickness less than a thickness of the polyester film.
7. The retortable microwave package of claim 1, wherein the thickness of the aluminum oxide film layer is less than the thickness of the ink layer.
8. The retortable microwave package of claim 1, wherein the thickness of the aluminum oxide film layer is less than the thickness of the polypropylene film.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221273951U true CN221273951U (en) | 2024-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |