CN201457887U - Multilayer brown paper bag internally agglutinated with plastic thin film and capable of being fused and sealed - Google Patents
Multilayer brown paper bag internally agglutinated with plastic thin film and capable of being fused and sealed Download PDFInfo
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- CN201457887U CN201457887U CN2009200983553U CN200920098355U CN201457887U CN 201457887 U CN201457887 U CN 201457887U CN 2009200983553 U CN2009200983553 U CN 2009200983553U CN 200920098355 U CN200920098355 U CN 200920098355U CN 201457887 U CN201457887 U CN 201457887U
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Abstract
The utility model discloses a multilayer brown paper bag internally agglutinated with a plastic thin film and capable of being fused and sealed, which comprises a brown paper bag body, the side edges of the two walls of the bag body and seals at the upper side and the lower side of the bag body. The material used to fabricate the brown paper bag comprises a composite inner layer and multiple middle and outer brown paper layers. The composite inner layer comprises an inner brown paper layer, a plurality of adhesive tapes stuck on the inner brown paper layer in a strip shape and a plastic thin film stuck on the plurality of adhesive tapes. The ends of the multiple brown paper middle and outer layers and the inner brown paper layer of the composite inner layer are gelatinized and agglutinated in a point shape and the seals are of a staggered seal structure. The utility model has good airtight performance, facilitates stacking, transportation and reclamation and is environment-friendly.
Description
Technical field
The utility model relates to a kind of paper bag, but the multiwall kraft bag of especially a kind of interior adhesion of plastic films and heat sealing.
Background technology
Common multiwall kraft bag mostly is two to four layers of kraft paper bag, for the purpose of protection against the tide, adopts the plastic resin material to drench a skim on inner layer kraft, plays waterproof action; Also can add the layer of plastic film bag in addition in paper bag, being used for packing need damp-proof product.
The most frequently used kraft paper bag adopts seam bottom opening bag or square bottom opening bag usually.The bottom of the sack of side's bottom opening bag is square, and opening is to put down mouth, and is identical with the packaging seal mode of seam bottom opening bag, is suitable for traditional sewing sealing mode.
But the common multiwall kraft bag of prior art adopts the plastic resin material to drench a skim on inner layer kraft, uses the back to be difficult for reclaiming complex process, not environmental protection; Seal with traditional sewing sealing mode, poor sealing, the limit is arranged at the top of sack, is unfavorable for the pile transportation, easily causes the buttress that collapses.
Summary of the invention
Technical problem to be solved in the utility model is, but a kind of good airproof performance is provided, is beneficial to the pile transportation, is convenient to reclaim and the interior adhesion of plastic films of environmental protection and the multiwall kraft bag of heat sealing.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: but the multiwall kraft bag of a kind of interior adhesion of plastic films and heat sealing, comprise the kraft paper bag bag, being positioned at the bag both sides plays the side of wall and is positioned at the bag sealing two ends of both sides up and down, the material that is used to make kraft paper bag is made of compound internal layer of one deck and multiwall kraft ectomesoderm, described compound internal layer is by inner layer kraft, the a plurality of adhesive tape that stick on the inner layer kraft with strip constitute with the plastic sheeting that sticks on a plurality of adhesive tape, the end of the inner layer kraft of multiwall kraft ectomesoderm and compound internal layer is coated with glue bond with point-like, sealing part is the staggered floor enclosuring structure, port one side of the bag of sealing part both sides is longer than opposite side, the formation external side end seals with medial extremity and seals, seal medial extremity from external side end and seal along sealing length direction, between the adjacent craft paper, between craft paper and the composite bed, between composite bed and the composite bed, reduce by 5～25mm between composite bed and the craft paper successively and form the subsides mouth, on the subsides mouth, scribble hot melt adhesive layer, the sealing part of lower end seals, and the sealing part of upper end is reserved.
Described adhesive tape gluing width 1-2mm, interval 25-30mm between the adhesive tape.
Described adhesive tape be arranged in parallel along the length direction of kraft paper bag.
Described craft paper ectomesoderm is 1～3 layer
The beneficial effects of the utility model are: absorbed common multiwall kraft bag and add layer of plastic film in addition on inner layer kraft, the advantage of good airproof performance has overcome the plastic resin material simultaneously and has drenched film, uses the back to be difficult for the shortcoming that reclaims; And plastic sheeting and craft paper bonding are once finished with bag, and reduced equipment and personnel's use, saved cost.And directly seal after the can and needn't seal, seal simple and easy to do with traditional sewing sealing mode.The overall appearance of sack is square, is fit to very much the pile transportation; Save the space, can not cause the buttress that collapses, be a kind of novel environment friendly packing.
Description of drawings
But Fig. 1 is the inner layer kraft of the multiwall kraft bag of interior adhesion of plastic films of the present utility model and heat sealing pastes the planar view of adhesive tape.
But Fig. 2 be of the present utility model in paper bag shape behind the multiwall kraft bag can material of adhesion of plastic films and heat sealing.
But Fig. 3 is the also sectional structure chart of the sealing part of the multiwall kraft bag of heat sealing of interior adhesion of plastic films of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
As Fig. 1,2, shown in 3, but the multiwall kraft bag of adhesion of plastic films and heat sealing in of the present utility model, comprise kraft paper bag bag 10, being positioned at the bag both sides plays the side 11 of wall and is positioned at the bag sealing two ends 12 of both sides up and down, the material that is used to make kraft paper bag is made of the compound internal layer of one deck and one deck outer layer of kraft paper, described compound internal layer is by inner layer kraft 3, the a plurality of adhesive tape 2 that stick on the inner layer kraft 3 with strip constitute with the plastic sheeting 1 that sticks on a plurality of adhesive tape 2, outer layer of kraft paper 4 is coated with glue bond with the end of the inner layer kraft 3 of compound internal layer with point-like, sealing part is the staggered floor enclosuring structure, port one side of the bag of sealing part both sides is longer than opposite side, form external side end seal 6 and medial extremity seal 7, seal 6 from external side end and seal 7 along sealing length direction to medial extremity, between the adjacent craft paper and composite bed, between composite bed and the composite bed, reduce 15mm between composite bed and the craft paper successively and form the subsides mouth, on the subsides mouth, scribble hot melt adhesive layer 8, the sealing part of lower end seals, and the sealing part of upper end is reserved.
Described adhesive tape 2 gluing width 1-2mm, interval 25-30mm between the adhesive tape.Described adhesive tape 2 be arranged in parallel along the length direction of kraft paper bag.
Present embodiment is one deck craft paper in addition, certainly, craft paper ectomesoderm 4 be 1～3 layer all can, set as required.
Specifically, plastic sheeting 1 and the mode of inner layer kraft 3 with the strip gluing are sticked together, gluing width 1-2mm, the interval 25-30mm between the adhesive tape 2, this material is as the paper bag internal layer, with the material after compound as internal layer, be ectomesoderm with 1-3 layer craft paper as required, bag on Bag Making Machine, wall is played in the paper bag both sides, the sealing two ends place is the staggered floor enclosuring structure, and every layer is reduced the 15mm paper.With two-layer paper bag is example, and about layer paper divides three sections minimizings, and the long inwardly folding heat-sealing of sealing end in the outside, bottom is binded, and constitutes the bottom of bag, upper opening, and folding heat-sealing is binded behind the material to be filled, and the paper bag shape is seen Fig. 1 behind the can material, for square.
But the utility model replaces common craft paper to drench the film plastic compound bag with the multiwall kraft bag of adhesion of plastic films in the strip and heat sealing, its characteristics at first are that manufacturing procedure is few, cost is low, reduced the pouring membrane process, the bonding bag of craft paper and plastic sheeting is once finished, production facilities reduces one, and energy resource consumption reduces, and personnel use minimizing.Next is that owing to adopted the staggered floor enclosuring structure, every layer is reduced 15mm, saved paper.The 3rd is good airproof performance, and can is convenient, and use EVA hot melt binder glues and seals, and good airproof performance can not revealed.The 4th is that the overall appearance of sack is square behind the can material, is fit to very much the pile transportation; Save the space, can not cause the buttress that collapses.Be environmental protection at last, the complex pocket discarded back plastics and the craft paper paper that drench film are not easily separated, so be difficult to reclaim.The kraft paper bag that the utility model is made then can be peeled off easily, and plastic sheeting and craft paper are reclaimed respectively, is a kind of later-model environmental protection package.
In sum, content of the present utility model is not limited in the above-described embodiment, knowledgeable people in the same area can propose other embodiment easily within technical director's thought of the present utility model, but this embodiment is included within the scope of the present utility model.
Claims (4)
1. but the multiwall kraft bag of adhesion of plastic films and heat sealing in a kind, comprise kraft paper bag bag (10), being positioned at the bag both sides plays the side of wall (11) and is positioned at the bag sealing two ends (12) of both sides up and down, the material that is used to make kraft paper bag is made of compound internal layer of one deck and multiwall kraft ectomesoderm, it is characterized in that, described compound internal layer is by inner layer kraft (3), stick on a plurality of adhesive tape (2) on the inner layer kraft (3) and the plastic sheeting (1) that sticks on a plurality of adhesive tape (2) constitutes with strip, multiwall kraft ectomesoderm (4) is coated with glue bond with the end of the inner layer kraft (3) of compound internal layer with point-like, sealing part is the staggered floor enclosuring structure, port one side of the bag of sealing part both sides is longer than opposite side, the formation external side end seals (6) and medial extremity seals (7), seal (6) from external side end and seal (7) along sealing length direction to medial extremity, between the adjacent craft paper, between craft paper and the composite bed, between composite bed and the composite bed, reduce by 5～25mm between composite bed and the craft paper successively and form the subsides mouth, on the subsides mouth, scribble hot melt adhesive layer (8), the sealing part of lower end seals, and the sealing part of upper end is reserved.
2. but the multiwall kraft bag of adhesion of plastic films and heat sealing is characterized in that in according to claim 1, described adhesive tape (2) gluing width 1-2mm, interval 25-30mm between the adhesive tape.
3. but the multiwall kraft bag of adhesion of plastic films and heat sealing is characterized in that described adhesive tape (2) be arranged in parallel along the length direction of kraft paper bag in according to claim 1 and 2.
4. but the multiwall kraft bag of adhesion of plastic films and heat sealing is characterized in that described craft paper ectomesoderm (4) is 1～3 layer in according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200983553U CN201457887U (en) | 2009-08-17 | 2009-08-17 | Multilayer brown paper bag internally agglutinated with plastic thin film and capable of being fused and sealed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200983553U CN201457887U (en) | 2009-08-17 | 2009-08-17 | Multilayer brown paper bag internally agglutinated with plastic thin film and capable of being fused and sealed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201457887U true CN201457887U (en) | 2010-05-12 |
Family
ID=42385240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200983553U Expired - Fee Related CN201457887U (en) | 2009-08-17 | 2009-08-17 | Multilayer brown paper bag internally agglutinated with plastic thin film and capable of being fused and sealed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201457887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946288A (en) * | 2016-06-16 | 2016-09-21 | 江苏宇驰包装股份有限公司 | Multifunctional automatic bag making production line for multiwall paper bag, paper-plastic bag and woven bag |
-
2009
- 2009-08-17 CN CN2009200983553U patent/CN201457887U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946288A (en) * | 2016-06-16 | 2016-09-21 | 江苏宇驰包装股份有限公司 | Multifunctional automatic bag making production line for multiwall paper bag, paper-plastic bag and woven bag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tianjin Dayu Packing Products Co., Ltd. Assignor: Tianjin Huanyu Paper & Plastic Packaging Products Co., Ltd. Contract record no.: 2011120000201 Denomination of utility model: Multilayer brown paper bag internally agglutinated with plastic thin film and capable of being fused and sealed Granted publication date: 20100512 License type: Exclusive License Record date: 20111017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20150817 |
|
| EXPY | Termination of patent right or utility model |