CN213056253U

CN213056253U - Stretch film with stretch effectual

Info

Publication number: CN213056253U
Application number: CN202021702377.9U
Authority: CN
Inventors: 李先华; 谢芳; 李双江
Original assignee: Dongguan Heli Packaging Products Co ltd
Current assignee: Dongguan Heli Packaging Products Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-27
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a stretch film with good stretching effect, which comprises a stretch film main body, wherein a first breaking groove, a second breaking groove and a third breaking groove are respectively arranged on a first outer wall film layer, a middle film layer and a second outer wall film layer, when the stretch film is stretched, the stretch film firstly extends for a certain length, when the stretch film provided with the first breaking groove, the second breaking groove and the third breaking groove is disconnected, the length is secondarily extended again by a first wave film layer and a second wave film layer, the stretching effect of the stretch film is improved, five layers of stretch films are arranged in the stretch film main body, when the first outer wall film layer, the middle film layer and the second outer wall film layer are all broken, a first wave film layer and a second wave film layer are arranged, and the wavy first wave film layer and the wavy second wave film layer can play a role of buffering, the two layers are prevented from being broken, the overall toughness of the stretched film is improved, and the stretched film is not easy to break.

Description

Stretch film with stretch effectual

Technical Field

The utility model relates to a stretch film technical field specifically is a stretch film with tensile effectual.

Background

The stretched film is also called LLDPE elastic film and packaging film, is a transparent, nontoxic and harmless flexible polyethylene plastic film with high elasticity and strength, accords with the international environmental protection and sanitation standards, has the advantages of toughness, impact resistance, transparency and self-adhesiveness, can prevent moisture and dust, reduce labor and improve benefit no matter used for collective packaging of products or cargo cards, and achieves the purposes of protecting products and reducing cost.

The existing stretch film has a short stretchable distance, and if the stretch film is stretched forcibly, the stretch film may be broken, and when a product is packaged, a part of the product may be exposed to the outside due to insufficient length of the stretch film, so that the product cannot be protected in all directions.

To solve the problems, the existing device is improved, and the stretching film with good stretching effect is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tensile membrane with tensile effectual adopts this device to work to the tensile distance shorter problem of tensile membrane in the above-mentioned background has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tensile membrane with tensile effectual, includes tensile membrane main part, tensile membrane main part includes first outer wall rete, first wave rete, well rete, second wave rete and second outer wall rete, first outer wall rete and second outer wall rete all set up in the outside of tensile membrane main part, first wave rete sets up between well rete and first outer wall rete, well rete sets up between first wave rete and second wave rete, second wave rete sets up between well rete and second outer wall rete, and first wave rete and second wave rete all are wavy structure.

Further, the first outer wall film layer, the first wave film layer, the middle film layer, the second wave film layer and the second outer wall film layer are all members made of polyethylene plastics.

Furthermore, the first outer wall film layer comprises a first outer wall film layer main body and first breaking grooves, the first breaking grooves are arranged between the protrusions of the first outer wall film layer main body, the protrusions on the first outer wall film layer main body are bonded with the protrusions of the first wave film layer, and the concave parts of the first wave film layer correspond to the first breaking grooves.

Furthermore, the middle membrane layer comprises a middle membrane layer main body and a second fracture groove, the second fracture groove is arranged between the protrusions of the middle membrane layer main body, the protrusions on the top surface and the bottom surface of the middle membrane layer main body are respectively bonded with the protrusions of the first wave membrane layer and the second wave membrane layer, and the concave parts of the first wave membrane layer and the second wave membrane layer correspond to the second fracture groove.

Furthermore, the second outer wall film layer comprises a second outer wall film layer main body and third fracture grooves, the third fracture grooves are arranged between the bulges of the second outer wall film layer main body, the bulges on the second outer wall film layer main body are bonded with the bulges of the second wave film layer, and the recesses of the second wave film layer correspond to the third fracture grooves.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a tensile membrane with tensile effectual, first outer wall rete, all be provided with first rupture groove on well rete and the second outer wall rete respectively, second rupture groove and third rupture groove, when stretching tensile membrane, tensile membrane is at first can carry out the extension of certain length, when being equipped with first rupture groove, the tensile membrane department of second rupture groove and third rupture groove is when all breaking away, rethread first wave rete and second wave rete carry out the secondary extension to length once more this moment, such setting then can be so that tensile length greatly increased of tensile membrane, the tensile effect of tensile membrane has been promoted.

2. The utility model provides a tensile membrane with it is tensile effectual has set up five layers of tensile membranes altogether in the tensile membrane main part, and when first outer wall rete, well rete and second outer wall rete all broke, first wave rete and second wave rete in addition, and wavy first wave rete and second wave rete can also play the effect of a buffering, prevent that this two-layer also breaks, this kind of setting has not only increased the holistic toughness of tensile membrane, also make tensile membrane difficult fracture.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the middle membrane layer of the present invention;

FIG. 3 is an enlarged view of FIG. 1A according to the present invention;

fig. 4 is a cross-sectional view of the stretched film main body of the present invention in a stretched state.

In the figure: 1. stretching the film body; 11. a first outer wall membrane layer; 111. a first outer wall film layer body; 112. a first rupture groove; 12. a first undulating film layer; 13. a middle film layer; 131. a middle membrane layer main body; 132. a second rupture groove; 14. a second undulating film layer; 15. a second outer wall membrane layer; 151. a second outer wall film layer body; 152. a third breaking groove.

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 work belong to the protection scope of the present invention.

Referring to fig. 1 and 4, a stretch film with good stretching effect includes a stretch film main body 1, the stretch film main body 1 includes a first outer wall film layer 11, a first wave film layer 12, a middle film layer 13, a second wave film layer 14 and a second outer wall film layer 15, the first outer wall film layer 11 and the second outer wall film layer 15 are both disposed at the outermost side of the stretch film main body 1, the first wave film layer 12 is disposed between the middle film layer 13 and the first outer wall film layer 11, the middle film layer 13 is disposed between the first wave film layer 12 and the second wave film layer 14, the second wave film layer 14 is disposed between the middle film layer 13 and the second outer wall film layer 15, the first wave film layer 12 and the second wave film layer 14 are both in a wave structure, the first outer wall film layer 11, the first wave film layer 12, the middle film layer 13, the second wave film layer 14 and the second outer wall film layer 15 are all members made of polyethylene plastic, five layers of stretching films are arranged in the stretching film main body 1, when the first outer wall film layer 11, the middle film layer 13 and the second outer wall film layer 15 are all broken, the first wave film layer 12 and the second wave film layer 14 are further arranged, the first wave film layer 12 and the second wave film layer 14 in a wave shape can also play a role in buffering, the two layers are prevented from being broken, the overall toughness of the stretching film is increased due to the arrangement, and the stretching film is not easy to break.

Referring to fig. 1 to 3, the first outer wall film layer 11 includes a first outer wall film layer main body 111 and a first rupture groove 112, the first rupture groove 112 is disposed between the protrusions of the first outer wall film layer main body 111, the protrusions of the first outer wall film layer main body 111 are bonded to the protrusions of the first wave film layer 12, and the recesses of the first wave film layer 12 correspond to the first rupture groove 112, the middle film layer 13 includes a middle film layer main body 131 and a second rupture groove 132, the protrusions of the middle film layer main body 131 are bonded to the protrusions of the first wave film layer 12 and the second wave film layer 14, and the recesses of the first wave film layer 12 and the second wave film layer 14 correspond to the second rupture groove 132, the second outer wall film layer 15 includes a second outer wall film layer main body 151 and a third rupture groove 152, third breaking grooves 152 are formed between the bulges of the second outer wall film layer main body 151, the bulges on the second outer wall film layer main body 151 are bonded with the bulges of the second wavy film layer 14, the recesses of the second wavy film layer 14 correspond to the third breaking grooves 152, since the first, second and

third rupture grooves

112, 132 and 152 are respectively provided on the first outer wall film layer 11, the middle film layer 13 and the second outer wall film layer 15, therefore, when the stretched film is stretched, the stretched film is firstly stretched to a certain length, and when the stretched film provided with the first breaking groove 112, the second breaking groove 132 and the third breaking groove 152 is broken, the length is secondarily stretched again by the first wavy film layer 12 and the second wavy film layer 14, the arrangement can greatly increase the stretching length of the stretching film and improve the stretching effect of the stretching film.

In summary, the following steps: the stretched film with good stretching effect is characterized in that the first outer wall film layer 11, the middle film layer 13 and the second outer wall film layer 15 are respectively provided with the first breaking groove 112, the second breaking groove 132 and the third breaking groove 152, when the stretched film is stretched, the stretched film firstly extends for a certain length, when the stretched film positions provided with the first breaking groove 112, the second breaking groove 132 and the third breaking groove 152 are all disconnected, the length is secondarily extended again through the first wave film layer 12 and the second wave film layer 14, the stretching length of the stretched film can be greatly increased through the arrangement, the stretching effect of the stretched film is improved, five layers of stretched films are arranged in the stretched film main body 1, when the first outer wall film layer 11, the middle film layer 13 and the second outer wall film layer 15 are all broken, the first wave film layer 12 and the second wave film layer 14 are further arranged, and the first wave film layer 12 and the second wave film layer 14 in a wave shape can play a role of buffering, the two layers are prevented from being broken, and the arrangement not only increases the toughness of the whole stretched film, but also ensures that the stretched film is not easy to break.

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.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stretch film with good stretching effect comprises a stretch film main body (1), and is characterized in that: tensile membrane main part (1) includes first outer wall rete (11), first wave rete (12), well rete (13), second wave rete (14) and second outer wall rete (15), first outer wall rete (11) and second outer wall rete (15) all set up the outside at tensile membrane main part (1), first wave rete (12) set up in between rete (13) and first outer wall rete (11), well rete (13) set up between first wave rete (12) and second wave rete (14), second wave rete (14) set up in between rete (13) and second outer wall rete (15), and first wave rete (12) and second wave rete (14) all are wavy structure.

2. The stretch film having a good stretching effect according to claim 1, characterized in that: the first outer wall film layer (11), the first wave film layer (12), the middle film layer (13), the second wave film layer (14) and the second outer wall film layer (15) are all members made of polyethylene plastics.

3. The stretch film having a good stretching effect according to claim 1, characterized in that: the first outer wall film layer (11) comprises a first outer wall film layer main body (111) and first breaking grooves (112), the first breaking grooves (112) are arranged between the protrusions of the first outer wall film layer main body (111), the protrusions on the first outer wall film layer main body (111) are bonded with the protrusions of the first wave film layer (12), and the concave parts of the first wave film layer (12) correspond to the first breaking grooves (112).

4. The stretch film having a good stretching effect according to claim 1, characterized in that: the middle membrane layer (13) comprises a middle membrane layer main body (131) and second breaking grooves (132), the second breaking grooves (132) are arranged between the protrusions of the middle membrane layer main body (131), the protrusions on the top surface and the bottom surface of the middle membrane layer main body (131) are respectively bonded with the protrusions of the first wave membrane layer (12) and the second wave membrane layer (14), and the recesses of the first wave membrane layer (12) and the second wave membrane layer (14) correspond to the second breaking grooves (132).

5. The stretch film having a good stretching effect according to claim 1, characterized in that: the second outer wall film layer (15) comprises a second outer wall film layer main body (151) and third breaking grooves (152), the third breaking grooves (152) are arranged between the protrusions of the second outer wall film layer main body (151), the protrusions on the second outer wall film layer main body (151) are bonded with the protrusions of the second wave film layer (14), and the recesses of the second wave film layer (14) correspond to the third breaking grooves (152).