CN210913636U

CN210913636U - Novel packaging film

Info

Publication number: CN210913636U
Application number: CN201921021058.9U
Authority: CN
Inventors: 鲍伟强; 王高产
Original assignee: Ningbo Forsun Packaging Technology Co ltd
Current assignee: Ningbo Forsun Packaging Technology Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-07-03
Anticipated expiration: 2029-07-03

Abstract

The utility model provides a novel packaging film, which comprises a film layer, an aluminum foil layer and a heat sealing layer, wherein the film layer, the aluminum foil layer and the heat sealing layer are of cuboid structures with the same length and width and different thicknesses, the lower end surface of the film layer and the upper end surface of the aluminum foil layer are superposed and pasted through a first layer of glue, and the lower end surface of the aluminum foil layer and the upper end surface of the heat sealing layer are superposed and pasted through a second layer of glue; the upper end of the novel packaging film is equidistantly distributed with opening parts, the shape of the opening parts is not fixed, the middle part of the opening part is the heat sealing layer, and the periphery of the heat sealing layer is wrapped with the film layer; the novel packaging film is wound into a roll for use. The utility model discloses packaging film simple structure, texture are slim and graceful, convenient to use is swift, structural strength is high, shock-resistant, long service life just has better dampproofing effect.

Description

Novel packaging film

Technical Field

The utility model relates to a packaging film, in particular to novel packaging film.

Background

The packaging film is mainly formed by the resin mixture extrusion of several kinds of different brands, has anti puncture, and super strength high performance twines the packing to the goods of stacking on the layer board, makes the packing material more firm clean and tidy, and superstrong waterproof effect is widely used, at foreign trade export, papermaking, five metals, plastics chemical industry, building materials, food and medicine trade. To some solid-state objects that easily wet need use the packaging film to wrap it and prevent it from wetting, the packaging film kind that is applicable to the solid object that easily wets at present also is more, but some problems of ubiquitous, for example: the whole structure is low in strength, the packaging film is easy to damage and cannot achieve the purpose of preventing the packaging film from being affected with damp, the structure is complex, the processing cost is high, the use is convenient and inconvenient, and the impact resistance is weak, so that the service life is short.

SUMMERY OF THE UTILITY MODEL

【1】 Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a simple structure, convenient to use are swift, structural strength is high, shock-resistant, long service life's novel packaging film.

【2】 Technical scheme for solving problems

The utility model provides a novel packaging film, which comprises a film layer, an aluminum foil layer and a heat sealing layer, wherein the film layer, the aluminum foil layer and the heat sealing layer are of cuboid structures with the same length and width and different thicknesses, the lower end surface of the film layer and the upper end surface of the aluminum foil layer are superposed and pasted through a first layer of glue, and the lower end surface of the aluminum foil layer and the upper end surface of the heat sealing layer are superposed and pasted through a second layer of glue; the upper end of the novel packaging film is equidistantly distributed with opening parts, the shape of the opening parts is not fixed, the middle part of the opening part is the heat sealing layer, and the periphery of the heat sealing layer is wrapped with the film layer; the novel packaging film is wound into a roll for use.

Further, the film layer is a PET aluminized film layer, and the thickness of the PET aluminized film layer is greater than or equal to 1.2 threads and less than or equal to 1.5 threads.

Further, the thickness of the aluminum foil layer is greater than or equal to 0.07 wire and less than or equal to 0.09 wire.

Further, the heat-sealing layer is a CPP film, and the thickness of the CPP film is more than or equal to 1.8 threads and less than or equal to 2.2 threads.

Further, the first layer of glue and the second layer of glue are both polyurethane glue.

Furthermore, the total weight of the novel packaging film is more than or equal to 60 grams per square meter and less than or equal to 65 grams per square meter.

Further, the total thickness of the novel packaging film is greater than or equal to 3.1 filaments and less than or equal to 3.8 filaments.

【3】 Advantageous effects

The utility model discloses packaging film simple structure, texture are slim and graceful, convenient to use is swift, structural strength is high, shock-resistant, long service life just has better dampproofing effect.

Drawings

Fig. 1 is a schematic structural view of the novel packaging film of the present invention;

fig. 2 is a schematic structural view of the utility model of the packaging film with the opening part closed;

fig. 3 is the structure schematic diagram of the opening part of the packaging film of the present invention.

Detailed Description

The following describes the preferred embodiments of the present invention in detail with reference to the accompanying drawings.

Example one

Referring to fig. 1 to 3, the utility model provides a novel packaging film, which comprises a film layer 1, an aluminum foil layer 2 and a heat-sealing layer 3, wherein the film layer 1, the aluminum foil layer 2 and the heat-sealing layer 3 are cuboid structures with the same length and width and different thicknesses, the lower end surface of the film layer 1 is superposed with the upper end surface of the aluminum foil layer 2 and is adhered by a first layer of glue, and the lower end surface of the aluminum foil layer 2 is superposed with the upper end surface of the heat-sealing layer 3 and is adhered by a second layer of glue; the upper end of the novel packaging film is equidistantly distributed with opening parts 4, the shape of the opening parts 4 is not fixed, die cutting can be carried out according to the specific shape, and the opening parts 4 are rectangular in the example; the specific structure of the opening part 4 is that the middle part is the heat sealing layer 3, the periphery of the heat sealing layer 3 is wrapped with the film layer 1, the position on the novel packaging film corresponding to the heat sealing layer 3 of the opening part 4 is a through structure, and the position corresponding to the film layer 1 of the opening part 4 is an aluminum foil layer; the novel packaging film is wound into a roll for use, the novel packaging film wound into the roll is convenient to package and transport, and the novel packaging film wound into the roll only needs to be unfolded when in use; in order to improve the overall structural strength and enable the film layer to have certain impact resistance so as to achieve the effect of prolonging the service life, in the embodiment, the film layer 1 is a PET aluminum-plated film layer, and the thickness of the PET aluminum-plated film layer is greater than or equal to 1.2 threads and less than or equal to 1.5 threads; further, the thickness of the aluminum foil layer 2 is greater than or equal to 0.07 wire and less than or equal to 0.09 wire; further, the heat-sealing layer 3 is a CPP film, and the thickness of the CPP film is more than or equal to 1.8 threads and less than or equal to 2.2 threads; further, the first layer of glue and the second layer of glue are both polyurethane glue.

Example two

Referring to fig. 1 to 3, the present invention provides a novel packaging film, which has a total weight of 60 grams per square meter or more and 65 grams per square meter or less, preferably 62 grams per square meter.

EXAMPLE III

Referring to fig. 1 to 3, the utility model provides a novel packaging film, in this embodiment the gross thickness of novel packaging film is more than or equal to 3.1 silk and less than or equal to 3.8 silk, wherein the gross thickness of novel packaging film uses 3.5 silk as the best, and specific is that the thickness of PET aluminized film layer is 1.4 silk, and the thickness of aluminium foil layer is 0.08 silk, and the thickness of CPP film is 2 silks, first layer glue with the thickness of second layer glue is 0.02 silk.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A novel packaging film is characterized in that: the heat-sealing film comprises a film layer (1), an aluminum foil layer (2) and a heat-sealing layer (3), wherein the film layer (1), the aluminum foil layer (2) and the heat-sealing layer (3) are of cuboid structures with the same length and width and different thicknesses, the lower end face of the film layer (1) is superposed with the upper end face of the aluminum foil layer (2) and is adhered by a first layer of glue, and the lower end face of the aluminum foil layer (2) is superposed with the upper end face of the heat-sealing layer (3) and is adhered by a second layer of glue; opening parts (4) are equidistantly distributed at the upper end of the novel packaging film, the shape of each opening part (4) is unfixed, the heat sealing layer (3) is arranged in the middle of each opening part (4), and the film layer (1) is wrapped on the periphery of the heat sealing layer (3); the novel packaging film is wound into a roll for use.

2. The novel packaging film according to claim 1, wherein: the film layer (1) is a PET aluminized film layer, and the thickness of the PET aluminized film layer is more than or equal to 1.2 threads and less than or equal to 1.5 threads.

3. The novel packaging film according to claim 1, wherein: the thickness of the aluminum foil layer (2) is greater than or equal to 0.07 wire and less than or equal to 0.09 wire.

4. The novel packaging film according to claim 1, wherein: the heat sealing layer (3) is a CPP film, and the thickness of the CPP film is more than or equal to 1.8 threads and less than or equal to 2.2 threads.

5. The novel packaging film according to claim 1, wherein: the first layer of glue and the second layer of glue are both polyurethane glue.

6. The novel packaging film according to any one of claims 1 to 5, characterized in that: the total weight of the novel packaging film is more than or equal to 60 grams per square meter and less than or equal to 65 grams per square meter.

7. The novel packaging film according to any one of claims 1 to 5, characterized in that: the total thickness of the novel packaging film is more than or equal to 3.1 filaments and less than or equal to 3.8 filaments.