CN218288869U - High-strength heat shrinkable film for packaging - Google Patents

Abstract

The utility model relates to a heat shrink film technical field just discloses a heat shrink film for packing with high strength, including the inner layer, the outside fixed mounting on inner layer has the articulamentum, one side fixed mounting that the inner layer was kept away from to the articulamentum has the contact layer, the inside of inner layer, articulamentum and contact layer is provided with the coupling assembling that improves heat shrink film tensile strength. This thermal contraction membrane for packing with high strength, through setting up coupling assembling, winding area and connecting band traversing inside of inlayer and articulamentum, the vertical inlayer that passes of fixed band, the inside of articulamentum and contact layer, the winding area is around the outside at the fixed band again simultaneously, can increase the inlayer, firm in connection between articulamentum and the contact layer, make the inlayer, be difficult for taking place the separation between articulamentum and the contact layer, the fixture block is embedded into in the contact layer simultaneously, can link together the both ends of fixed band, the inlayer has been improved, tensile strength between articulamentum and the contact layer.

Description

High-strength heat shrinkable film for packaging

Technical Field

The utility model relates to a heat shrink film technical field specifically is a heat shrink film is used to packing with high strength.

Background

The heat shrinkable film is used for selling and transporting various products, and mainly plays a role in stabilizing, covering and protecting the products, the heat shrinkable film has high puncture resistance, good shrinkability and certain shrinkage stress, holes cannot be generated in the film during the shrinkage process, and a UV (ultraviolet) resistant agent needs to be added because the heat shrinkable film is frequently suitable for outdoor use.

The prior heat shrinkable film for packaging is used, the heat shrinkable film may be pulled, and in the process of pulling the heat shrinkable film, the connection between the inner layers of the heat shrinkable film is not firm, so that the heat shrinkable film is easy to break after being pulled, the tensile strength is weak, the practicability of the heat shrinkable film is reduced, and the heat shrinkable film is inconvenient to use, so that the problem is solved by providing the heat shrinkable film for packaging with high strength.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a thermal contraction membrane is used to packing with high strength possesses the advantage that tensile strength is high, has solved the little problem of tensile strength.

For realizing the purpose that above-mentioned tensile strength is high, the utility model provides a following technical scheme: the heat shrinkable film with high strength for packaging comprises an inner layer, wherein a connecting layer is fixedly mounted on the outer side of the inner layer, a contact layer is fixedly mounted on one side, away from the inner layer, of the connecting layer, and a connecting assembly for improving the tensile strength of the heat shrinkable film is arranged inside the inner layer, the connecting layer and the contact layer.

Further, coupling assembling includes winding area, connecting band, fixed band and fixture block, winding area fixed mounting is in inside layer and connecting layer, connecting band fixed connection in the outside in winding area and with inside layer and connecting layer fixed connection, the fixed band pass the winding inboard of taking and with inside layer, connecting layer and contact layer fixed connection, fixture block fixed mounting at the top and the bottom of fixed band and with contact layer fixed connection.

Further, the winding area is as an organic whole with the connecting band, the combination shape of fixed band and fixture block is the I-shaped, the material of articulamentum, winding area, connecting band, fixed band and fixture block is polyvinyl chloride.

Furthermore, the thickness of the connecting layer is larger than that of the contact layer and smaller than that of the inner layer, and the contact layer is made of polytetrafluoroethylene.

Further, the articulamentum symmetric distribution is in the outside on inside layer, one side fixed mounting that the articulamentum was kept away from on the contact layer has the viscose layer, be provided with non-viscidity packaging film on the viscose layer.

Furthermore, one side that the articulamentum was kept away from to the contact layer just is located the outside on viscose layer and is provided with the crease.

Compared with the prior art, the utility model provides a thermal contraction membrane for packing with high strength possesses following beneficial effect:

this thermal contraction membrane for packing with high strength, through setting up coupling assembling, winding area and connecting band transversely pass the inside of inlayer and articulamentum, the vertical inlayer that passes of fixed band, the inside of articulamentum and contact layer, the winding area is around the outside at the fixed band again simultaneously, can increase the inlayer, the firm in connection between articulamentum and the contact layer, make the inlayer, be difficult for taking place to separate between articulamentum and the contact layer, the fixture block is embedded into in the contact layer simultaneously, can link together the both ends of fixed band, thereby the inlayer has been improved, tensile strength between articulamentum and the contact layer, through setting up the viscose layer, non-viscous packaging membrane and crease, can tear non-viscous packaging membrane on the viscose layer, can pack the thermal contraction membrane in the surface of product, the crease does benefit to wrap up around the profile on product surface, effectively pack the product, the problem that tensile strength is little has been solved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front sectional view of the structure of the present invention;

fig. 3 is a partial perspective view of the structural connection assembly of the present invention.

In the figure: 1 inner layer, 2 connecting layers, 3 contact layers, 4 connecting components, 41 winding tapes, 42 connecting tapes, 43 fixing tapes, 44 clamping blocks, 5 adhesive layers, 6 non-adhesive packaging films and 7 creases.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, a high-strength heat shrinkable film for packaging includes an inner layer 1, a connection layer 2 is fixedly mounted on an outer side of the inner layer 1, the connection layer 2 is symmetrically distributed on the outer side of the inner layer 1, a contact layer 3 is fixedly mounted on a side of the connection layer 2 away from the inner layer 1, a thickness of the connection layer 2 is greater than a thickness of the contact layer 3 and smaller than a thickness of the inner layer 1, the contact layer 3 is made of teflon, and corrosion resistance of the heat shrinkable film is improved.

Referring to fig. 1 to 3, a connection assembly 4 for improving tensile strength of the heat shrinkable film is disposed inside the inner layer 1, the connection layer 2 and the contact layer 3, the connection assembly 4 includes a winding band 41, a connection band 42, a fixing band 43 and a block 44, the winding band 41 is fixedly mounted inside the inner layer 1 and the connection layer 2, and can improve connection tightness inside the inner layer 1 and the connection layer 2, so as to improve tensile strength of the heat shrinkable film, the connection band 42 is fixedly connected to an outer side of the winding band 41 and fixedly connected to the inner layer 1 and the connection layer 2, the connection band 42 can connect the winding bands 41 together, when the heat shrinkable film is pulled, the winding band 41 and the connection band 42 can be restrained, so that the inner layer 1, the connection layer 2 and the contact layer 3 are firmly connected together, and the winding band 41 and the connection band 42 are integrated.

Wherein, the fixing band 43 passes through the inner side of the winding band 41 and is fixedly connected with the inner layer 1, the connecting layer 2 and the contact layer 3, when the winding band 41 is pulled, because the fixing band 43 is positioned in the winding band 41, the fixing band 41 can be pulled, so that the tensile strength of the heat shrinkable film is improved, the clamping blocks 44 are fixedly arranged at the top and the bottom of the fixing band 43 and are fixedly connected with the contact layer 3, the combination shape of the fixing band 43 and the clamping blocks 44 is I-shaped, the firmness of the inner layer 1, the connecting layer 2 and the contact layer 3 is increased, so that the strength of the heat shrinkable film is obviously improved, and the connecting layer 2, the winding band 41, the connecting band 42, the fixing band 43 and the clamping blocks 44 are made of polyvinyl chloride and are used for improving the strength of the heat shrinkable film.

Referring to fig. 1-2, an adhesive layer 5 is fixedly mounted on a side of the contact layer 3 away from the connection layer 2, a non-adhesive packaging film 6 is disposed on the adhesive layer 5, the non-adhesive packaging film 6 is torn, and the outer surface of the product is adhered and packaged, and a crease 7 is disposed on a side of the contact layer 3 away from the connection layer 2 and outside the adhesive layer 5, so as to facilitate wrapping around the contour of the surface of the product.

The beneficial effects of the embodiment are as follows:

this heat shrink film for packing with high strength, through setting up coupling assembling 4, winding area 41 and connecting band 42 transversely pass the inside of inside layer 1 and articulamentum 2, fixed band 43 vertically passes inside layer 1, the inside of articulamentum 2 and contact layer 3, winding area 41 surrounds the outside around fixed band 43 again simultaneously, can increase inside layer 1, the firm in connection between articulamentum 2 and the contact layer 3, make inside layer 1, be difficult for taking place the separation between articulamentum 2 and the contact layer 3, simultaneously the fixture block 44 is embedded into contact layer 1, can link together the both ends of fixed band 43, thereby inside layer 1 has been improved, tensile strength between articulamentum 2 and the contact layer 3, through setting up viscose layer 5, non-adhesive packaging film 6 and crease 7, can tear non-adhesive packaging film 6 on viscose layer 5, can pack tensile film on the surface of product, crease 7 is favorable to wrapping around the profile on product surface, effectively pack the product, the problem that thermal contraction intensity is little is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A heat shrinkable film with high strength for packaging comprises an inner layer (1), a connecting layer (2) is fixedly mounted on the outer side of the inner layer (1), a contact layer (3) is fixedly mounted on one side, far away from the inner layer (1), of the connecting layer (2), and the heat shrinkable film is characterized in that: and the connecting component (4) for improving the tensile strength of the heat shrinkable film is arranged in the internal layer (1), the connecting layer (2) and the contact layer (3).

2. The heat shrinkable film for packaging having high strength according to claim 1, wherein: coupling assembling (4) are including winding area (41), connecting band (42), fixed band (43) and fixture block (44), winding area (41) fixed mounting is in inside layer (1) and articulamentum (2), connecting band (42) fixed connection just with inside layer (1) and articulamentum (2) fixed connection in the outside of winding area (41), fixed band (43) pass the winding area (41) the inboard and with inside layer (1), articulamentum (2) and contact layer (3) fixed connection, fixture block (44) fixed mounting just with contact layer (3) fixed connection in the top and the bottom of fixed band (43).

3. The heat shrinkable film for packaging having high strength as claimed in claim 2, wherein: the winding belt (41) and the connecting belt (42) are integrated, the combined shape of the fixing belt (43) and the clamping block (44) is I-shaped, and the connecting layer (2), the winding belt (41), the connecting belt (42), the fixing belt (43) and the clamping block (44) are made of polyvinyl chloride.

4. The heat shrinkable film for packaging having high strength according to claim 1, wherein: the thickness of the connecting layer (2) is larger than that of the contact layer (3) and smaller than that of the inner layer (1), and the contact layer (3) is made of polytetrafluoroethylene.

5. The heat shrinkable film for packaging having high strength according to claim 1, wherein: the utility model discloses a multilayer packaging film, including articulamentum, tie layer (2), contact layer (3), one side fixed mounting who keeps away from tie layer (2) has viscose layer (5), be provided with on viscose layer (5) non-adhesive packaging film (6), tie layer (2) symmetric distribution in the outside of inlayer (1).

6. The heat shrinkable film for packaging having high strength as claimed in claim 5, wherein: one side of the contact layer (3) far away from the connecting layer (2) and the outer side of the adhesive layer (5) are provided with creases (7).

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