CN202924039U

CN202924039U - Paper bag

Info

Publication number: CN202924039U
Application number: CN 201220673854
Authority: CN
Inventors: 陈安康
Original assignee: SHANGHAI AILU PAPER PACKAGE CO Ltd
Current assignee: Shanghai Ailu Package Co ltd
Priority date: 2012-12-07
Filing date: 2012-12-07
Publication date: 2013-05-08
Anticipated expiration: 2022-12-07

Abstract

The utility model provides a paper bag, which comprises a body, wherein the body is formed by enclosing of a bottom surface and a side surface, the side surface sequentially comprises at least two layers of paper and a layer of film from outside to inside, the paper is sequentially and locally bonded with the film, each layer of paper and the film are provided with uniformly distributed holes, and the holes are not communicated with one another. According to the paper bag disclosed by the utility model, the defects of the prior art that if the surface of the paper bag is punched, a filling site can be polluted by filled material discharged from holes and the material in the paper bag becomes damp easily are overcome, the paper bag is provided to enable air to be discharged through the holes during filling, the filling speed is improved, and the material filled in the paper bag can not be discharged out of the paper bag and can not become damp.

Description

Paper bag

Technical field

The utility model relates to a kind of sack, particularly a kind of paper bag.

Background technology

At present, development along with market, manufacture, material is deposited, health and transporter more and more higher in the face of the requirement of packaging bag, but some industry is because output is very large, require very high to the filling speed when using paper bag, some even requires several seconds will can one bag, and this degassing function to paper bag is had higher requirement.Traditional terms of settlement is to stamp on the surface of paper to run through pore, had and run through pore exhaust, the pressure in the time of can increasing substantially can and speed, simultaneously also can be in company with the gas that is discharged from together from running through the pore ejection by the material of can, the can of dust gross pollution is on-the-spot, has also brought unnecessary waste to material simultaneously.Run through pore because paper surface has been beaten, so the material in paper bag is easy to contact with air, air is with after material contacts, and the material of drying can absorb airborne moisture, thereby causes making moist of material, is not easy to very much the storage of material.

The utility model content

The technical problems to be solved in the utility model is to stamp the hole on the paper bag surface and can make and discharged from the hole by canned material and cause the can scene contaminated in order to overcome in prior art, and the defective of easily making moist of the material in this paper bag, and a kind of paper bag is provided.

The utility model is to solve above-mentioned technical matters by following technical proposals:

The utility model provides a kind of paper bag, it comprises a body, this body is enclosed by a bottom surface and a side and forms, its characteristics are, this side comprises two-layer at least paper and a skim from outside to inside successively, all offer the well-distributed hole in the local adhesion successively of those paper and this film, every one deck paper and this film, and do not connect between those holes.

Preferably, this film is a damp-proof membrane.

Preferably, this damp-proof membrane is the PE film.

The PE(polyethylene); full Polyethylene by name; it is the simplest macromolecular organic compound of structure; the most widely used High molecular material in the world today; the PE protective film is take Special polyethylene (PE) plastic sheeting as base material, is divided into high density polyethylene (HDPE) protective film, medium density polyethylene and Low Density Polyethylene according to the difference of density.

The PE(polyethylene) advantage of protective film maximum is that protected product is not contaminated in production and processing, transportation, storage and use procedure, burn into scratches, and protects original bright and clean glossy surface, thereby improves quality and the market competitiveness of product.

The serve as reasons internal layer of this PE film of set hole punches to skin on this PE film, will stay the PE membrane body lint of a circle projection after punching on the circumference in outer field each hole of this PE film.When PE film skin was stacked with paper, this PE membrane body lint will squeezedly push back in the hole, and the hole is blocked, and made this PE film recover the characteristic of sealing.

Preferably, the pitch of holes on every two-layer paper is unequal, and the pitch of holes on the pitch of holes on those paper and this film is unequal.

Preferably, those paper comprise one first paper and one second paper.

Preferably, those paper and this film enclose respectively and close up and adhesion, and those paper and this film stagger at the position of adhesion respectively mutually.

Preferably, those paper and this film form notch cuttype in the position of adhesion respectively.

Preferably, this bottom surface is square.

Positive progressive effect of the present utility model is: overcome in the prior art and to have stamped the hole on the paper bag surface and can make and discharged from the hole by canned material and cause the can scene contaminated, and the defective that the material in this paper bag easily makes moist, a kind of paper bag is provided, make when can air to discharge by the hole, improve filling speed, and the material of can in paper bag can not be discharged from paper bag, can not make moist yet.

Description of drawings

Fig. 1 is the block diagram of the paper bag in embodiment of the present utility model.

Fig. 2 is the composition schematic diagram of the side of the paper bag in embodiment of the present utility model.

Fig. 3 is the paper of the paper bag in embodiment of the present utility model and the adhesion schematic diagram of film.

Fig. 4 is the schematic diagram that the perforate of the paper bag in embodiment of the present utility model distributes.

Fig. 5 is the perforate schematic diagram of the PE film of the paper bag in embodiment of the present utility model.

The specific embodiment

The below lifts a preferred embodiment, and comes by reference to the accompanying drawings the clearer the utility model that intactly illustrates.

As Fig. 1 and shown in Figure 2, paper bag described in the utility model comprises a body, this body is enclosed by a bottom surface and a side 1 and forms, side 1 comprises PE film 11, one first paper 12 and one second paper 13 from the inside to the outside successively, this bottom surface encloses folding the forming in lower end after closing up by side 1, and being shaped as of this bottom surface is square, and the other end is the upper end, is an opening of this paper bag.

As shown in Figure 3, this PE film 11, this first paper 12 and this second paper 13 enclose respectively and close up and adhesion, and the position of adhesion is respectively film coalescence section 21, the first paper adhesion section 22 and the second paper adhesion section 23.This film coalescence section 21, this first paper adhesion section 22 and this second paper adhesion section 23 are arranged in respectively stepped that as shown in Figure 3 head and the tail stagger after adhesion, again should stepped adhesion, namely after this PE film 11, this first paper 12 and the 13 difference adhesions of this second paper, apply glue on its position of adhesion forms respectively stepped, with this PE film 11, this first paper 12 and this second paper 13 adhesion successively.In addition, this PE film 11 passes through it in the outside in a week of this opening part and all adhesions in inboard one of this first paper 12, the inboard adhesion in bottom surface that the outside, bottom surface and this first paper 12 that this PE film 11 is folded into is folded into.

As shown in Figure 4, evenly be equipped with the hole 3 of running through on this PE film 11, this first paper 12 and this second paper 13.As shown in Figure 4, the pitch-row C in the hole on this PE film 11, the pitch-row A in the hole on the pitch-row B in the hole on this first paper 12 and this second paper 13 is all unequal.In the present embodiment, pitch-row A is greater than pitch-row B, pitch-row B is again greater than pitch-row C, as seen the hole of this PE film 11, this first paper 12 and this second paper 13 is Heterogeneous Permutations, such composite structure paper and the paper bag of PE film production are when the can material, can load rapidly material, the air that promotes material movement can be discharged rapidly outside bag body by the hole on this PE film 11, this first paper 12 and this second paper 13.

as shown in Figure 5, evenly be equipped with the hole 3 of running through on this PE film 11, the hole 3 of running through is to punch laterally from the inboard of this PE film 11, yet will stay the PE membrane body lint 4 of a circle projection on the circumference in each hole of running through 3 in the outside of this PE film 11, when the inboard of the outside of this PE film 11 and this first paper 12 stacks, the PE membrane body lint 4 of these PE film 11 outer projection will squeezedly push back in the hole 3 of running through, and this hole of running through 3 is blocked, make this PE film 11 recover again the characteristic of original sealing, such compound paper bag is when storing material, good anti-soak properties have just been arranged.

Although more than described the specific embodiment of the present utility model, it will be understood by those of skill in the art that these are only casehistorys, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make various changes or modifications to these embodiments under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.

Claims

1. paper bag, it comprises a body, this body is enclosed by a bottom surface and a side and forms, it is characterized in that, this side comprises two-layer at least paper and a skim from outside to inside successively, all offer the well-distributed hole in the local adhesion successively of those paper and this film, every one deck paper and this film, and do not connect between those holes.

2. paper bag as claimed in claim 1, is characterized in that, this film is a damp-proof membrane.

3. paper bag as claimed in claim 2, is characterized in that, this damp-proof membrane is the PE film.

4. paper bag as claimed in claim 1, is characterized in that, the pitch of holes on every two-layer paper is unequal, and the pitch of holes on the pitch of holes on those paper and this film is unequal.

5. paper bag as claimed in claim 4, is characterized in that, those paper comprise one first paper and one second paper.

6. paper bag as claimed in claim 1, is characterized in that, those paper and this film enclose respectively and close up and adhesion, and those paper and this film stagger at the position of adhesion respectively mutually.

7. paper bag as claimed in claim 6, is characterized in that, those paper and this film position of adhesion respectively are notch cuttype.

8. as the described paper bag of claim 1-7 any one, it is characterized in that, this bottom surface is square.