CN216545163U - Packaging film for vacuum packaging - Google Patents
Packaging film for vacuum packaging Download PDFInfo
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- CN216545163U CN216545163U CN202123412448.9U CN202123412448U CN216545163U CN 216545163 U CN216545163 U CN 216545163U CN 202123412448 U CN202123412448 U CN 202123412448U CN 216545163 U CN216545163 U CN 216545163U
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Abstract
The utility model relates to the technical field of vacuum packaging films, in particular to a packaging film for vacuum packaging, which comprises a base layer, wherein a first bonding layer is arranged at the top end of the base layer, a first protective layer is arranged at the top end of the first bonding layer, a second bonding layer is arranged at the top end of the first protective layer, a second protective layer is arranged at the top end of the second bonding layer, and two third bonding layers are arranged at the top side of the second protective layer. The utility model has the advantages that: the material through the basic unit is the PE membrane, and then can with food direct contact, the material through first inoxidizing coating is the PET membrane, make first inoxidizing coating have stronger strain insulator ability, be provided with the protection network between through two third tie coats, the material of second inoxidizing coating is the aluminium foil, and then improve this packaging film's bulk strength, wear-resisting and impact resistance, the problem that wearability and intensity are low that has solved current packaging film existence, be convenient for protect food, the food of being convenient for simultaneously can carry out long distance transport.
Description
Technical Field
The utility model relates to the technical field of vacuum packaging films, in particular to a packaging film for vacuum packaging.
Background
Vacuum packaging, also called pressure reduction packaging, is to completely draw out and seal the air in a packaging container, maintain the bag in a high pressure reduction state, the air is rare and equivalent to a low oxygen effect, so that microorganisms have no living condition, thereby achieving the purposes of prolonging the food storage life and preventing the occurrence of rottenness, in the field of food packaging, particularly the field of packaging of meat food and cooked food, the vacuum packaging film needs to be widely applied to vacuum packaging, the quality of the existing vacuum packaging is good and uneven, the preservation of the inner packaged food can be effectively ensured in high vacuum degree, the existing vacuum packaging film generally adopts a single-layer structure, and the following defects are also existed when the problem of vacuum packaging of food is solved:
the existing vacuum packaging film has poor strain resistance and low strength, and when the vacuum packaging film collides or rubs with the outside, the packaging is easy to damage, so that air leakage is caused, and the quality guarantee period of food is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a packaging film for vacuum packaging.
The purpose of the utility model is realized by the following technical scheme: the utility model provides a packaging film for vacuum packaging, includes the basic unit, the top of basic unit is provided with first tie coat, the top of first tie coat is provided with first inoxidizing coating, the top of first inoxidizing coating is provided with the second tie coat, the top of second tie coat is provided with the second inoxidizing coating, the top side of second inoxidizing coating is provided with two third tie coats, two be provided with the protection network between the third tie coat, the top of third tie coat is provided with the third protection layer.
Optionally, the thickness of the first protective layer is the same as that of the second protective layer, the thickness of the first protective layer is smaller than that of the base layer, the first protective layer is made of a PET film, and the base layer is made of a PE film.
Optionally, the thickness of second inoxidizing coating is less than the thickness of third inoxidizing coating, the material of second inoxidizing coating is the aluminium foil, improves the wear-resisting and shock resistance of this packaging film, prevents effectively that outside foreign matter from causing the damage to the packaging film.
Optionally, the protective net is located between the two third bonding layers, the two third bonding layers penetrate through the protective net to be bonded with each other, and the material nylon of the protective net improves the wear resistance and the shock resistance of the packaging film.
Optionally, the material of third protection layer is biaxial stretching polypropylene film, the thickness of third protection layer is greater than the thickness of basic unit, can be convenient for carry out certain protection to the protection network, has good printing adaptability, can chromatography printing and obtain exquisite outward appearance effect.
The utility model has the following advantages:
1. this a packaging film for vacuum packaging, the material through the basic unit is the PE membrane, and then can with food direct contact, the material through first inoxidizing coating is the PET membrane, make first inoxidizing coating have stronger strain insulator ability, be provided with the protection network between two third tie coats, the material of second inoxidizing coating is the aluminium foil, and then can improve this packaging film's bulk strength, wear-resisting and impact resistance, and then solved the wearability that current packaging film exists and the problem that intensity is low, be convenient for protect food, the food of being convenient for simultaneously can carry out long distance transport.
2. This packaging film for vacuum packaging is provided with the second inoxidizing coating through the top of second tie coat, is provided with the protection network between two third tie coats, and the top of third tie coat is provided with the third protection layer, and second inoxidizing coating and protection network make this packaging film keep certain form after packing the completion, and the later stage of being convenient for carries out secondary packing to the product, because this packaging film has stable form, and then is convenient for carry out the printing operation in the outside of third protection layer.
Drawings
FIG. 1 is a schematic view of a first perspective structure of the present invention;
fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.
In the figure: 1-base layer, 2-first bonding layer, 3-first protective layer, 4-second bonding layer, 5-second protective layer, 6-third bonding layer, 7-protective net and 8-third protective layer.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.
As shown in fig. 1 to 2, a packaging film for vacuum packaging comprises a base layer 1, a first bonding layer 2 is arranged on the top end of the base layer 1, a first protective layer 3 is arranged on the top end of the first bonding layer 2, a second bonding layer 4 is arranged on the top end of the first protective layer 3, a second protective layer 5 is arranged on the top end of the second bonding layer 4, two third bonding layers 6 are arranged on the top side of the second protective layer 5, a protective net 7 is arranged between the two third bonding layers 6, and a third protective layer 8 is arranged on the top end of the third bonding layer 6.
As an optional technical scheme of the utility model: the thickness of first inoxidizing coating 3 is the same with the thickness of second inoxidizing coating 5, the thickness of first inoxidizing coating 3 is less than the thickness of basic unit 1, the material of first inoxidizing coating 3 is the PET membrane, the material of basic unit 1 is the PE membrane, the PE membrane can be directly with the food contact, it is convenient for pass through the hot-pressing mode to make simultaneously, make two adjacent PE membranes melt and connect, thereby be convenient for realize carrying out vacuum encapsulation to food, and the PET membrane has low extensibility, through the cooperation with between second inoxidizing coating 5 and the protection network 7, thereby be convenient for make this packing membrane have certain intensity.
As an optional technical scheme of the utility model: the thickness of second inoxidizing coating 5 is less than the thickness of third inoxidizing coating 8, and the material of second inoxidizing coating 5 is the aluminium foil, prevents that the direct directive food of outside light from keeping the flavor of product, and second inoxidizing coating 5 and protection network 7 can improve the wear-resisting and shock resistance of this packaging film simultaneously, effectively prevent that outside foreign matter from causing the damage to the packaging film.
As an optional technical scheme of the utility model: the protection network 7 is located between two third tie coat 6, and two third tie coats 6 pass protection network 7 and bond each other, and the material nylon of protection network 7, nylon material have very high mechanical strength, and the softening point is high, and is heat-resisting, and coefficient of friction is low, and is stand wear and tear, and then can effectively increase the stand wear and tear performance of this packaging film.
As an optional technical scheme of the utility model: the material of third protective layer 8 is biaxial stretching polypropylene film, and the thickness of third protective layer 8 is greater than the thickness of basic unit 1, and third protective layer 8 can be convenient for carry out certain protection to protection network 7, and biaxial stretching polypropylene film has high tensile strength, impact strength, rigidity, toughness and good transparency simultaneously, has good printing adaptability simultaneously, can the chromatography printing and obtain exquisite outward appearance effect.
In conclusion, when the packaging film is used by a user, the base layer 1 is made of a PE film and can be in direct contact with food, the first protective layer 3 is made of a PET film, the first protective layer 3 has high strain resistance, the protective net 7 is arranged between the two third bonding layers 6, the second protective layer 5 is made of aluminum foil, the overall strength, the wear resistance and the impact resistance of the packaging film can be improved, the problems of low wear resistance and low strength of the existing packaging film are solved, the food can be protected conveniently, long-distance transportation of the food can be facilitated, the second protective layer 5 is arranged at the top end of the second bonding layer 4, the protective net 7 is arranged between the two third bonding layers 6, the third protective layer 8 is arranged at the top end of the third bonding layer 6, and the second protective layer 5 and the protective net 7 enable the packaging film to keep a certain shape after the packaging film is packaged, be convenient for the later stage carries out the secondary packing to the product, because this packaging film has stable form, and then be convenient for carry out the printing operation in the outside of third protection layer 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A packaging film for vacuum packaging, characterized in that: including basic unit (1), the top of basic unit (1) is provided with first tie coat (2), the top of first tie coat (2) is provided with first inoxidizing coating (3), the top of first inoxidizing coating (3) is provided with second tie coat (4), the top of second tie coat (4) is provided with second inoxidizing coating (5), the top side of second inoxidizing coating (5) is provided with two third tie coats (6), two be provided with protection network (7) between third tie coat (6), the top of third tie coat (6) is provided with third protection layer (8).
2. The packaging film for vacuum packaging as claimed in claim 1, wherein: the thickness of first inoxidizing coating (3) is the same with the thickness of second inoxidizing coating (5), the thickness of first inoxidizing coating (3) is less than the thickness of basic unit (1), the material of first inoxidizing coating (3) is the PET membrane, the material of basic unit (1) is the PE membrane.
3. The packaging film for vacuum packaging as claimed in claim 1, wherein: the thickness of second inoxidizing coating (5) is less than the thickness of third inoxidizing coating (8), the material of second inoxidizing coating (5) is the aluminium foil.
4. The packaging film for vacuum packaging as claimed in claim 1, wherein: the protective net (7) is located between the two third bonding layers (6), the two third bonding layers (6) penetrate through the protective net (7) to be bonded with each other, and the protective net (7) is made of nylon.
5. The packaging film for vacuum packaging as claimed in claim 1, wherein: the material of third protection layer (8) is biaxial stretching polypropylene film, the thickness of third protection layer (8) is greater than the thickness of basic unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123412448.9U CN216545163U (en) | 2021-12-31 | 2021-12-31 | Packaging film for vacuum packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123412448.9U CN216545163U (en) | 2021-12-31 | 2021-12-31 | Packaging film for vacuum packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216545163U true CN216545163U (en) | 2022-05-17 |
Family
ID=81560465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123412448.9U Active CN216545163U (en) | 2021-12-31 | 2021-12-31 | Packaging film for vacuum packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216545163U (en) |
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2021
- 2021-12-31 CN CN202123412448.9U patent/CN216545163U/en active Active
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