CN212654780U - Anti-corrosion paper-plastic composite food packaging bag - Google Patents
Anti-corrosion paper-plastic composite food packaging bag Download PDFInfo
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- CN212654780U CN212654780U CN202020883055.2U CN202020883055U CN212654780U CN 212654780 U CN212654780 U CN 212654780U CN 202020883055 U CN202020883055 U CN 202020883055U CN 212654780 U CN212654780 U CN 212654780U
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Abstract
The utility model discloses a compound food package bag is moulded to corrosion resistance paper, its characterized in that: the bag comprises a bag body, wherein the bag body consists of a raw paper layer and a film layer which are sequentially bonded from outside to inside; the food packaging bag is characterized in that an opening is formed in one corner of the bag body, a feeding layer is arranged at the opening, a first heat-sealing film is arranged on the surface, facing the top of the bag body, of the feeding layer, a second heat-sealing film is arranged on the surface, facing the feeding layer, of the top of the bag body, the first heat-sealing film and the second heat-sealing film are arranged oppositely, and a gap for food to pass through is formed between the feeding layer and the inner wall, far away from the opening side, of the bag body. By adopting the structure, the packaging bag is convenient to use, and the moisture resistance and the corrosion resistance of the packaging bag can be improved.
Description
Technical Field
The utility model relates to a be used for the food package bag, concretely relates to compound food package bag is moulded to corrosion resistant paper.
Background
In the field of food manufacturing, in order to prevent food from oxidative deterioration, food is generally required to be stored in a sealed manner, and the shelf life of the food is prolonged by adopting vacuum packaging, nitrogen-filled packaging, intelligent deoxidation packaging or using a deoxidizer and the like, wherein a food packaging bag is a film container which is directly contacted with the food and is used for containing and protecting the food, and the food packaging bag can be divided into the following components according to the application range: common food packaging bags, vacuum food packaging bags, aerated food packaging bags, poached food packaging bags, steamed food packaging bags and functional food packaging bags. Most of the existing food packaging bags adopt a single-layer packaging structure, so that the temperature of food is difficult to maintain, and the food is easy to deteriorate when meeting a high-temperature humid environment. Patent document for CN201822144540.3 discloses a food package bag with desiccant, including food package bag body and desiccant bag, the bottom central authorities at the food package bag body are fixed to one edge of desiccant bag, still include the connecting wire, the one end of connecting wire is fixed in the edge of desiccant bag, and the other end is fixed in the bottom central authorities of food package bag body, an edge of desiccant bag is equipped with the through-hole that is used for the connecting wire to pass, the one end of connecting wire is passed the through-hole and is binded fixedly, and the other end is fixed with the bottom central authorities heat-seal of food package bag body. The technical problem of partially preventing food from being wetted is solved by utilizing the desiccant bag, but the moisture resistance of the desiccant bag needs to be further enhanced, the strength and the corrosion resistance of the packaging bag are general, and the packaging bag is easy to damage.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems of general moisture resistance and corrosion resistance of the existing food packaging bag, the utility model aims to provide a corrosion-resistant paper-plastic composite food packaging bag, which comprises a bag body, wherein the bag body consists of a raw paper layer and a thin film layer which are sequentially bonded from outside to inside; the food packaging bag is characterized in that an opening is formed in one corner of the bag body, a feeding layer is arranged at the opening, a first heat-sealing film is arranged on the surface, facing the top of the bag body, of the feeding layer, a second heat-sealing film is arranged on the surface, facing the feeding layer, of the top of the bag body, the first heat-sealing film and the second heat-sealing film are arranged oppositely, and a gap for food to pass through is formed between the feeding layer and the inner wall, far away from the opening side, of the bag body.
On the basis of the above scheme and as a preferable scheme of the scheme: the raw paper layer is formed by bonding three layers of kraft paper.
On the basis of the above scheme and as a preferable scheme of the scheme: the number of the thin film layers is one.
On the basis of the above scheme and as a preferable scheme of the scheme: the film layer is made of polyethylene and the thickness of the film layer is 25 microns.
On the basis of the above scheme and as a preferable scheme of the scheme: the inner wall of the bag body is fixedly provided with a drying bag filled with a drying agent.
On the basis of the above scheme and as a preferable scheme of the scheme: the drying agent is composed of quicklime and iron powder.
The utility model discloses compare prior art protrusion and profitable technological effect and be:
1. the bag body includes the thin layer, can effectively form sealedly to the internal space of bag, avoids the internal food of bag to wet rotten.
2. The bag body comprises a raw paper layer, the raw paper layer is formed by bonding three layers of kraft paper, the strength of the packaging bag is greatly improved, meanwhile, the kraft paper mainly comprises cellulose, the cellulose is insoluble in water, ethanol, ether, benzene and the like, does not act with cold water or boiling water, is stable to dilute acid, dilute alkali and weak oxidant, and improves the corrosion resistance of the bag body.
3. The first heat-sealing film and the second heat-sealing film are overlapped and heat-sealed by the heat sealing machine, so that the sealing property of the bag body is improved.
4. The inner wall of the bag body is fixedly provided with the drying bag filled with the drying agent, so that the moisture which is in the bag body before heat sealing can be removed, the moisture resistance is further improved, and the food in the bag body is prevented from being damped.
Drawings
FIG. 1 is a schematic structural view of an anti-corrosion paper-plastic composite food packaging bag of the present invention;
fig. 2 is an enlarged schematic view of a structure in fig. 1.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
The utility model discloses a compound food package bag is moulded to corrosion resistance paper, below combine the figure, further describe utility model's structure principle and theory of operation.
As shown in fig. 1 and 2, the anti-corrosion paper-plastic composite food packaging bag comprises a bag body 1, wherein the bag body 1 is composed of a raw paper layer 11 and a film layer 12 which are sequentially bonded from outside to inside, the raw paper layer 11 is formed by bonding three layers of kraft paper 111, the strength of the bag body 1 is greatly enhanced, meanwhile, the kraft paper 111 mainly contains cellulose, the cellulose is insoluble in water, ethanol, ether, benzene and the like, does not act with cold water or boiling water, is stable to dilute acid, dilute alkali and weak oxidants, improves the anti-corrosion performance of the bag body 1, and the film layer 12 can effectively improve the sealing performance of the bag body and prevent foods in the bag body 1 from being affected with moisture; preferably, the number of film layers 12 is one, the film layers 12 are made of polyethylene and the thickness of the film layers 12 is 25 microns.
An opening 2 is formed in one corner of the bag body 1, a feeding layer 3 is arranged at the opening 2, a first heat-sealing film 31 is arranged on the surface, facing the top of the bag body 1, of the feeding layer 3, a second heat-sealing film 13 is arranged on the surface, facing the feeding layer 3, of the top of the bag body 1, the first heat-sealing film 31 and the second heat-sealing film 13 are arranged oppositely, specifically, the first heat-sealing film 31 and the second heat-sealing film 13 are both PP films, and a gap 14 for food to pass through is formed between the feeding layer 3 and the inner wall of the bag body 1 far away from the opening side. Food enters the feeding layer 3 through the opening 2 and then enters the bag body 1 from the gap 14 through the feeding layer 3, and when the filling of the food is finished, the first heat-sealing film 31 and the second heat-sealing film 13 are lapped and heat-sealed by a heat sealing machine, so that the bag body 1 is sealed.
Considering that air and moisture existing before heat sealing still remain in the bag body 1 after heat sealing, and in order to avoid food from being affected by damp and deteriorated under the influence of the air and the moisture, a drying bag 4 filled with a drying agent is fixedly arranged on the inner wall of the bag body 1; specifically, the drying bag 4 is filled with a drying agent, and the drying agent is composed of quicklime and iron powder.
It is worth mentioning that the technical features such as the opening that the utility model discloses a patent application relates to should be regarded as prior art, and the concrete structure of these technical features, theory of operation and the control mode that may involve, spatial arrangement mode adopt the conventional selection in this field can, should not be regarded as the invention point of the utility model patent is in, the utility model patent does not do further specifically expand the detailed description.
It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a compound food package bag is moulded to anticorrosive nature paper which characterized in that: the bag comprises a bag body, wherein the bag body consists of a raw paper layer and a film layer which are sequentially bonded from outside to inside; the food packaging bag is characterized in that an opening is formed in one corner of the bag body, a feeding layer is arranged at the opening, a first heat-sealing film is arranged on the surface, facing the top of the bag body, of the feeding layer, a second heat-sealing film is arranged on the surface, facing the feeding layer, of the top of the bag body, the first heat-sealing film and the second heat-sealing film are arranged oppositely, and a gap for food to pass through is formed between the feeding layer and the inner wall, far away from the opening side, of the bag body.
2. The anti-corrosion paper-plastic composite food packaging bag according to claim 1, characterized in that: the raw paper layer is formed by bonding three layers of kraft paper.
3. The anti-corrosion paper-plastic composite food packaging bag according to claim 2, characterized in that: the number of the thin film layers is one.
4. The anti-corrosion paper-plastic composite food packaging bag according to claim 1, characterized in that: the film layer is made of polyethylene and the thickness of the film layer is 25 microns.
5. The anti-corrosion paper-plastic composite food packaging bag according to claim 1, characterized in that: the inner wall of the bag body is fixedly provided with a drying bag filled with a drying agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020883055.2U CN212654780U (en) | 2020-05-22 | 2020-05-22 | Anti-corrosion paper-plastic composite food packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020883055.2U CN212654780U (en) | 2020-05-22 | 2020-05-22 | Anti-corrosion paper-plastic composite food packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212654780U true CN212654780U (en) | 2021-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020883055.2U Active CN212654780U (en) | 2020-05-22 | 2020-05-22 | Anti-corrosion paper-plastic composite food packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212654780U (en) |
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- 2020-05-22 CN CN202020883055.2U patent/CN212654780U/en active Active
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