CN114701762A - Self-heating food packaging bag - Google Patents
Self-heating food packaging bag Download PDFInfo
- Publication number
- CN114701762A CN114701762A CN202210229734.1A CN202210229734A CN114701762A CN 114701762 A CN114701762 A CN 114701762A CN 202210229734 A CN202210229734 A CN 202210229734A CN 114701762 A CN114701762 A CN 114701762A
- Authority
- CN
- China
- Prior art keywords
- packaging bag
- interlayer
- bag body
- heating
- self
- Prior art date
- 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.)
- Pending
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 89
- 238000010438 heat treatment Methods 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000011229 interlayer Substances 0.000 claims description 75
- 239000000463 material Substances 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims 3
- 238000005192 partition Methods 0.000 abstract description 17
- 238000004880 explosion Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 14
- 238000009423 ventilation Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
- B65D81/3484—Packages having self-contained heating means, e.g. heating generated by the reaction of two chemicals
Abstract
The invention discloses a self-heating food packaging bag, which relates to the field of packaging bags, and adopts the technical scheme that the self-heating food packaging bag comprises a packaging bag body, wherein the top of the packaging bag body is of an opening structure, and the packaging bag body is of a multi-partition-cavity structure, and further comprises: the sealing piece is positioned at the top of the packaging bag body and used for sealing the top opening of the packaging bag body; the packaging bag has the advantages that the packaging bag is arranged into a multi-partition-cavity form, the heating bag is placed in the first partition layer, food is placed in the second partition layer, water is discharged into the first partition layer, hot air generated by the heating bag is used for heating the food, the water permeable piece in the packaging bag body can be used for discharging water, the hot air generated by the heating bag can be discharged through the air permeable piece on the packaging bag body, and explosion caused by the fact that the air in the packaging bag body cannot be discharged timely is avoided. The inside of this wrapping bag is equipped with to heating package, when needs heat food, can directly utilize heating package to heat food, improves the practicality of wrapping bag.
Description
Technical Field
The invention relates to the technical field of packaging bags, in particular to a self-heating food packaging bag.
Background
The packaging bag is used for storing articles, so that the goods are convenient to transport and easy to store in the circulation process.
Some food needs to be heated before being eaten, a structure for heating the food is not arranged inside a common packaging bag, the food needs to be taken out of the packaging bag and then heated, and the packaging bag is troublesome, and the packaging bag of the type is improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a self-heating food packaging bag, wherein a heating structure is arranged in the packaging bag, and when food in the packaging bag needs to be heated, the heating structure in the packaging bag is directly used for heating the food, so that the practicability of the packaging bag is improved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a self-heating type food package bag, includes the wrapping bag body, and the top of wrapping bag body is opening structure, and the wrapping bag body still includes for many separate chamber structures:
the sealing piece is positioned at the top of the packaging bag body and used for sealing the top opening of the packaging bag body;
the interlayer is positioned in the inner cavity of the packaging bag body and fixedly connected with the side wall of the inner cavity of the packaging bag body, the packaging bag body is divided into a first interlayer and a second interlayer by the interlayer, the heating bag is stored in the first interlayer, and food is stored in the second interlayer;
the piece of permeating water is located the bottom of wrapping bag body one side, and the piece of permeating water is located one side at first interlayer place, and the piece of permeating water is used for putting out the inside water of first interlayer.
Preferably, the packaging bag further comprises a gas-permeable member positioned at the top of the packaging bag body and used for discharging gas inside the first barrier layer.
Preferably, the number of the interlayer is one, at this time, the number of the first interlayer and the second interlayer is also one, and the packaging bag body is of a two-compartment structure.
Preferably, the number of the interlayer is two, at this time, the number of the first interlayer is two, the number of the second interlayer is one, the second interlayer is located between the two first interlayers, and the packaging bag body is in a three-compartment structure.
Preferably, the second compartment is adapted to remain free standing after the second compartment is opened.
Preferably, a limiting part is arranged inside the first interlayer and used for limiting the position of the heating bag.
Preferably, the sealing piece is a zipper, the zipper is arranged at the top of the inner cavities of the two side surfaces of the packaging bag body, and the zipper is positioned above the interlayer.
Preferably, the limiting part comprises a first seal, the first seal is installed in an inner cavity of the first interlayer, a through opening is formed in the inner cavity of the first seal, and the width of the through opening is smaller than that of the heating bag.
Preferably, the piece of permeating water is the through-hole, and the through-hole setting is in the bottom of wrapping bag body inner chamber, and the through-hole is located one side at first interlayer place, and the inside patch that is equipped with of through-hole, the material of patch is thinner.
Preferably, the ventilation member is a ventilation hole, the ventilation hole is positioned at the top of the side wall of the packaging bag body, the ventilation hole is positioned on the outer wall of the wider side of the packaging bag body, and the ventilation hole is communicated with the inside of the first interlayer.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the packaging bag is arranged in a multi-partition-cavity mode, the heating bag is placed in the first partition layer, the food is placed in the second partition layer, water is discharged into the first partition layer, hot air generated by the heating bag is utilized to heat the food, the water permeable piece in the packaging bag body can be used for discharging water, the air permeable piece on the packaging bag body can be used for discharging the hot air generated by the heating bag, and explosion caused by the fact that the air in the packaging bag body cannot be discharged in time is avoided. The inside of this wrapping bag is equipped with to heating package, when needs heat food, can directly utilize heating package to heat food, improves the practicality of wrapping bag.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a package body with two compartments according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a via structure according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to an embodiment of the present invention;
FIG. 5 is a schematic view of a notch structure according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second seal according to an embodiment of the present invention.
1. A packaging bag body; 2. an interlayer; 3. a port; 4. a first seal; 5. a zipper; 6. a notch; 7. a through hole; 8. a film; 9. air holes are formed; 10. an air outlet; 11. and a second seal.
Detailed Description
Embodiments of a self-heating food packaging bag and a method according to the present invention will be further described with reference to fig. 1 to 6.
Referring to fig. 1 and 2, a self-heating food packaging bag, includes a packaging bag body 1, the top of the packaging bag body 1 is an opening structure, the packaging bag body 1 is a multi-compartment structure, and further includes:
the sealing piece is positioned at the top of the packaging bag body 1 and used for sealing the top opening of the packaging bag body 1;
the interlayer 2 is positioned in the inner cavity of the packaging bag body 1 and is fixedly connected with the side wall of the inner cavity of the packaging bag body 1, the packaging bag body 1 is divided into a first interlayer and a second interlayer by the interlayer 2, the heating bag is stored in the first interlayer, and food is stored in the second interlayer;
the piece of permeating water is located the bottom of 1 one side of wrapping bag body, and the piece of permeating water is located one side at first interlayer place, and the piece of permeating water is used for putting out the inside water of first interlayer. Can adopt in wrapping bag body 1's the material to keep warm, thermal-insulated and waterproof material makes, for example, some materials that contain pearl cotton and non-woven fabrics, pearl cotton and non-woven fabrics's low cost, and pearl cotton has heat retaining effect, non-woven fabrics has thermal-insulated effect, wrapping bag body 1 has heat retaining and heat insulating effect like this, when the state that does not unseal, the opening at wrapping bag body 1 top is sealed to the sealing, food is in the second interlayer in wrapping bag body 1, the heating package is located the first interlayer in wrapping bag body 1, food is separately with water, pour water into the first interlayer at heating package place, the heating package generates heat, heat the food that is located the inside of second interlayer, after the heating, utilize the piece of permeating water to put out the inside water of first interlayer.
Referring to fig. 3, 5 and 6, a gas permeable member is provided at the top of the package body 1 for releasing gas from the inside of the first barrier. The gas-permeable piece discharges the gas in the first interlayer, so that the explosion caused by the fact that the gas in the packaging bag body 1 cannot be discharged in time is avoided.
Referring to fig. 2, the number of the partition layers 2 is one, and at this time, the number of the first partition layer and the number of the second partition layer are also one, and the packaging bag body 1 is in a two-compartment structure.
Referring to fig. 1, the number of the partition layers 2 is two, at this time, the number of the first partition layers is two, the number of the second partition layers is one, the second partition layers are located between the two first partition layers, and the packaging bag body 1 is in a three-compartment structure. When the structure of the three separation cavities is adopted, the heating bags are positioned on two sides of the second separation cavity where food is positioned, and the two sides of the food are heated, so that the heating time is shortened, and the heating effect is better.
Referring to fig. 1 and 2, after the second compartment is opened, the package body 1 can be kept standing. When food is heated, the bottom of the second interlayer where the food is located can stand, the packaging bag is in a standing state, dumping is avoided, and water in the first interlayer enters the second interlayer.
Referring to fig. 1 and 2, a limiting member is disposed inside the first partition layer, and the limiting member is used for limiting the position of the heating pack.
Referring to fig. 3, the sealing member is a zipper 5, the zipper 5 is installed on the top of the inner cavity of the two side surfaces of the packaging bag body 1, and the zipper 5 is located above the partition layer 2. The zipper 5 is provided to facilitate the hot door to close and open the opening at the top of the package body 1.
Referring to fig. 1 and 2, the limiting member includes a first seal 4, the first seal 4 is installed in an inner cavity of the first interlayer, a through hole 3 is formed in the inner cavity of the first seal 4, and the width of the through hole 3 is smaller than that of the heating package. When the food that needs to be to the inside second interlayer heats, pour water into the inside of first interlayer from opening 3, the width of opening 3 is less than the width of heating package, and first strip of paper used for sealing 4 plays the effect of injecing to the heating package like this, avoids the heating package to rise along with the rising of liquid level.
See fig. 3, the permeable part is through hole 7, through hole 7 is arranged at the bottom of the inner cavity of the packaging bag body 1, and through hole 7 is located at one side where the first interlayer is located, a patch is arranged inside through hole 7, and the material of the patch is thin. When needs are put out the inside water of first interlayer, stab inside through-hole 7 hard, because the inside material of through-hole 7 is thinner, stab through-hole 7 inside very easily, then the inside water of first interlayer flows from through-hole 7, and the material of the inside patch of opening here can be PE or CPP membrane, and the people of being convenient for are fine stab this department, and the plastic envelope nature of PE or CPP membrane is better, and the people of being convenient for are fine seals PE or CPP membrane on the bag body.
Referring to fig. 4, the ventilation member is a ventilation hole 9, the ventilation hole 9 is located at the top of the side wall of the packaging bag body 1, the ventilation hole 9 is located on the outer wall of the wider side of the packaging bag body 1, and the ventilation hole 9 is communicated with the inside of the first interlayer. The heating package meets water and can produce a large amount of heats, and this heat heats food, and the steam that the heating package produced needs to be discharged, and steam can be directly discharged through the 9 departments of bleeder vent that 1 lateral wall top of wrapping bag body was seted up.
Referring to fig. 4, a film 8 is installed inside the air holes 9, and an air-permeable slit is formed in the middle of the film 8. Because the film 8 is arranged inside the air holes 9, the middle part of the film 8 is provided with the air permeable seam, when hot air passes through the film, the hot air can be discharged through the air permeable seam, and the film 8 can prevent external dust from entering the inside of the first interlayer from the air holes 9.
See fig. 6, the gas outlet 10 is the gas outlet 10, the gas outlet 10 is located at the top of the side wall of the packaging bag body 1, the gas outlet 10 is located at one narrow side of the packaging bag body 1, the inside of the gas outlet 10 is covered with a special material, the special material is PE or CPP, the PE or CPP material is softened at a high temperature, the material is broken due to continuous upward overflow of hot gas generated by the heating bag, the gas overflows from the place, and explosion caused by the fact that the gas inside the packaging bag body 1 cannot be timely discharged is avoided.
Referring to fig. 5, the air-permeable member is a second seal 11, the second seal 11 is located at the top of the sidewall of the packaging bag body 1, the second seal 11 is communicated with the inside of the first partition, and the second seal 11 is also made of PE or CPP. When hot gas passes through the second seal strip 11, because the PE or CPP material softens under high temperature, the hot gas that the heating package produced continuously overflows upwards, will break through the material of this department, and gas overflows from this department, avoids the inside gas of wrapping bag body 1 because can not in time discharge, and the emergence explodes.
Referring to fig. 3 and 4, the edge of the sidewall of the package bag body 1 is provided with equally spaced notches 6. When people eat food, food is in continuous reduction, can tailor the length of wrapping bag body 1 according to the volume of food, and the people of being convenient for eat the food of wrapping bag body 1 bottom, when needs are tailor the length of wrapping bag body 1, only need follow 6 departments of breach to the wrapping bag body 1 tear draw can.
The material of the interlayer 2 is made of nontoxic material with good thermal conductivity, tinfoil or aluminum foil can be adopted, and the materials have good thermal conductivity, so that heat generated by the heating bag can be conducted into the second interlayer where food is positioned to the maximum extent, and the time for heating the food is shortened.
The working principle is as follows: when the packaging bag is in an unopened state, the zipper 5 seals the opening at the top of the packaging bag body 1, food is stored in the second interlayer in the packaging bag body 1, the heating bag is positioned in the first interlayer in the packaging bag body 1, the food is separated from water, when the food needs to be heated, the zipper 5 is opened, the water is poured into the first interlayer from the opening 3 arranged in the inner cavity of the first seal (4), the width of the opening (3) is smaller than that of the heating bag, so that the first seal (4) plays a limiting role on the heating bag, the height of the heating bag does not change with the increase of the water, the heating bag is completely soaked in the water, the heating effect of the heating bag is ensured, the heating bag can generate a large amount of heat when meeting the water, the heat heats the food, the hot air generated by the heating bag needs to be discharged, the hot air enters the outside through the air permeable piece, and when people eat the food, food is in continuous reduction, can tailor the length of wrapping bag body 1 according to the volume of food, and the people of being convenient for eat the food of wrapping bag body 1 bottom, when needs are tailor the length of wrapping bag body 1, only need tear from breach 6 to wrapping bag body 1 and draw, just so can tailor the length of wrapping bag body 1 can.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a self-heating type food package bag, includes wrapping bag body (1), and the top of wrapping bag body (1) is opening structure, characterized by: the wrapping bag body (1) is many separate chamber structures, still includes:
the sealing piece is positioned at the top of the packaging bag body (1) and is used for sealing the top opening of the packaging bag body (1);
the interlayer (2) is positioned in the inner cavity of the packaging bag body (1) and is fixedly connected with the side wall of the inner cavity of the packaging bag body (1), the packaging bag body (1) is divided into a first interlayer and a second interlayer by the interlayer (2), the heating bag is stored in the first interlayer, and food is stored in the second interlayer;
the piece of permeating water is located the bottom of wrapping bag body (1) one side, and the piece of permeating water is located one side at first interlayer place, and the piece of permeating water is used for putting out the inside water of first interlayer.
2. The self-heating type food packaging bag according to claim 1, wherein: the packaging bag further comprises a gas-permeable piece which is positioned at the top of the packaging bag body (1) and used for discharging gas in the first interlayer.
3. The self-heating type food packaging bag according to claim 1, wherein: the number of the interlayer (2) is one, the number of the first interlayer and the number of the second interlayer are both one, and the packaging bag body (1) is of a two-compartment structure.
4. The self-heating type food packaging bag according to claim 1, wherein: the number of the interlayer (2) is two, the number of the first interlayer is two, the number of the second interlayer is one, the second interlayer is positioned between the two first interlayers, and the packaging bag body (1) is of a three-compartment structure.
5. The self-heating type food packing bag as claimed in claim 1, wherein: after the second interlayer is opened, the packaging bag body (1) can keep self-standing.
6. The self-heating type food packing bag as claimed in claim 1, wherein: the interior of first interlayer is equipped with the locating part, and the locating part is used for prescribing a limit to the position of heating package.
7. The self-heating type food packaging bag according to claim 1, wherein: the sealing piece is a zipper (5), the zipper (5) is arranged at the top of the inner cavities of the two side surfaces of the packaging bag body (1), and the zipper (5) is positioned above the interlayer (2).
8. The self-heating type food packing bag according to claim 6, wherein: the locating part comprises a first seal (4), the first seal (4) is installed in an inner cavity of the first interlayer, a through hole (3) is formed in the inner cavity of the first seal (4), and the width of the through hole (3) is smaller than that of the heating bag.
9. The self-heating type food packaging bag according to claim 1, wherein: the piece of permeating water is through-hole (7), and through-hole (7) set up in the bottom of wrapping bag body (1) inner chamber, and through-hole (7) are located one side at first interlayer place, and through-hole (7) inside is equipped with the patch, and the material of patch is thinner.
10. The self-heating type food packaging bag as claimed in claim 2, wherein: the air permeable piece is an air vent (9), the air vent (9) is positioned at the top of the side wall of the packaging bag body (1), the air vent (9) is positioned on the outer wall of the wider side of the packaging bag body (1), and the air vent (9) is communicated with the inside of the first interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210229734.1A CN114701762A (en) | 2022-03-07 | 2022-03-07 | Self-heating food packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210229734.1A CN114701762A (en) | 2022-03-07 | 2022-03-07 | Self-heating food packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114701762A true CN114701762A (en) | 2022-07-05 |
Family
ID=82168533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210229734.1A Pending CN114701762A (en) | 2022-03-07 | 2022-03-07 | Self-heating food packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114701762A (en) |
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|---|---|---|---|---|
| AT314338B (en) * | 1972-09-12 | 1974-03-25 | Robert Bierlein | Containers, in particular cans, with a device for heating its contents independently of location |
| JP2004217217A (en) * | 2003-01-09 | 2004-08-05 | Dainippon Printing Co Ltd | Dried food reconstituting container, and dried food packaging bag |
| CA2538446A1 (en) * | 2006-03-03 | 2007-09-03 | Nicky Sevim | Self-heating package for pre-cooked foods |
| US20090175563A1 (en) * | 2008-01-03 | 2009-07-09 | Weaver Rodney M | Microwaveable steam pouch |
| KR20140064086A (en) * | 2012-11-19 | 2014-05-28 | 이영식 | The quick food hiting bag |
| CN107973003A (en) * | 2017-10-26 | 2018-05-01 | 深圳市惠佳复合材料有限公司 | A kind of self-action ovenable meal bag |
| CN207293059U (en) * | 2017-09-12 | 2018-05-01 | 杭州顶正包材有限公司 | A kind of packaging bag for brewing instant food |
| CN211282066U (en) * | 2019-11-29 | 2020-08-18 | 诚德科技股份有限公司 | Steaming bag for microwave oven |
| CN213083961U (en) * | 2020-08-10 | 2021-04-30 | 三全食品股份有限公司 | Self-heating bag |
| CN213567395U (en) * | 2020-10-23 | 2021-06-29 | 厦门市三磊包装材料有限公司 | Cooking plastic packaging bag |
| CN215246637U (en) * | 2021-01-14 | 2021-12-21 | 扬州泰康印刷有限公司 | Multilayer food packaging bag |
| CN113830424A (en) * | 2021-09-14 | 2021-12-24 | 汕头方大印刷包装科技有限公司 | Self-heating paper bag convenient to use in daily life and using method thereof |
-
2022
- 2022-03-07 CN CN202210229734.1A patent/CN114701762A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT314338B (en) * | 1972-09-12 | 1974-03-25 | Robert Bierlein | Containers, in particular cans, with a device for heating its contents independently of location |
| JP2004217217A (en) * | 2003-01-09 | 2004-08-05 | Dainippon Printing Co Ltd | Dried food reconstituting container, and dried food packaging bag |
| CA2538446A1 (en) * | 2006-03-03 | 2007-09-03 | Nicky Sevim | Self-heating package for pre-cooked foods |
| US20090175563A1 (en) * | 2008-01-03 | 2009-07-09 | Weaver Rodney M | Microwaveable steam pouch |
| KR20140064086A (en) * | 2012-11-19 | 2014-05-28 | 이영식 | The quick food hiting bag |
| CN207293059U (en) * | 2017-09-12 | 2018-05-01 | 杭州顶正包材有限公司 | A kind of packaging bag for brewing instant food |
| CN107973003A (en) * | 2017-10-26 | 2018-05-01 | 深圳市惠佳复合材料有限公司 | A kind of self-action ovenable meal bag |
| CN211282066U (en) * | 2019-11-29 | 2020-08-18 | 诚德科技股份有限公司 | Steaming bag for microwave oven |
| CN213083961U (en) * | 2020-08-10 | 2021-04-30 | 三全食品股份有限公司 | Self-heating bag |
| CN213567395U (en) * | 2020-10-23 | 2021-06-29 | 厦门市三磊包装材料有限公司 | Cooking plastic packaging bag |
| CN215246637U (en) * | 2021-01-14 | 2021-12-21 | 扬州泰康印刷有限公司 | Multilayer food packaging bag |
| CN113830424A (en) * | 2021-09-14 | 2021-12-24 | 汕头方大印刷包装科技有限公司 | Self-heating paper bag convenient to use in daily life and using method thereof |
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