CN204264630U - A kind of sealable valve-port paper bag - Google Patents
A kind of sealable valve-port paper bag Download PDFInfo
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- CN204264630U CN204264630U CN201420714162.7U CN201420714162U CN204264630U CN 204264630 U CN204264630 U CN 204264630U CN 201420714162 U CN201420714162 U CN 201420714162U CN 204264630 U CN204264630 U CN 204264630U
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- upper bottom
- sealing strip
- paper bag
- paper
- mouth structure
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Abstract
The utility model discloses a kind of sealable valve-port paper bag, comprise paper bag body, upper bottom portion, lower bottom part; It is characterized in that: the inner side of described upper bottom portion is provided with valve mouth structure; Described upper bottom portion is provided with bottom sealing strip; Described lower bottom part is provided with lower bottom sealing strip; Described valve mouth structure is arranged on the inner side of described upper bottom sealing strip; Hot melt adhesive layer is provided with inside described upper bottom sealing strip; Described upper bottom sealing strip is linked together by this hot melt adhesive layer and described valve mouth structure; The utility model utilizes and the valve mouth structure of automatic open can realize the automatic open of paper bag, in the operation that packaging is produced, saves the time, also just improves the canned efficiency in packaging process; Meanwhile, the utility model pastes a bottom sealing strip with hot melt adhesive respectively at the upper bottom portion of paper bag body, lower bottom part, utilizes this bottom sealing strip to realize the sealing of paper bag, ensures good sealing effectiveness, prevent material from sewing from the oral area of valve mouth structure.
Description
Technical field
The utility model relates to a kind of valve-port paper bag, particularly relates to the sealable valve-port paper bag of a kind of bottom sealing strip, belongs to packing technique field.
Background technology
At present, along with the development in market, also be more and more higher to the requirement of nano-powder container packing bag, when nano-powder material is after filled, the valve port mechanism of its valve bag is automatically closed is in the tight state of sealing, and be subject to the extruding of external force as in the middle of the process that paper bag material wraps in carrying and fall the phenomenon of bag, nano-powder material will with the slot leakage at valve port place out, so the waste of material is caused, two pollutions causing environment.
In order to change this present situation, spy researches and develops a kind of valve bag, on its bottom sealing strip, puts hot melt adhesive new structure, hot melt adhesive on bottom sealing strip can seal closed through heating, the oral area of paper bag valve port is sealed, prevent valve-port paper bag material from leakage shortcoming after nano-powder is filling, its new technology structure is simple.
Summary of the invention
The utility model is in order to make up the deficiencies in the prior art, and provide a kind of structure simple valve mouth structure, this structure can guarantee the sealing of valve bag, ensures good sealing effectiveness.
For achieving the above object, the technical scheme that the utility model is taked is:
A kind of sealable valve-port paper bag, comprises paper bag body, upper bottom portion, lower bottom part; With described paper bag body for matrix, described upper bottom portion and described lower bottom part are separately positioned on upper end and the lower end of paper bag body; Described paper bag body comprises paper and PE film; Described paper is arranged on the outside of PE film, is provided with glue between described paper and described PE film; Described paper is bonded together by this glue and described PE film; Described paper is one or more layers paper; Described PE film is high strength Obstruct membrane; It is characterized in that: the inner side of described upper bottom portion is provided with valve mouth structure; Described upper bottom portion is provided with bottom sealing strip; Described lower bottom part is provided with lower bottom sealing strip; Described valve mouth structure is arranged on the inner side of described upper bottom sealing strip; Hot melt adhesive layer is provided with inside described upper bottom sealing strip; Described upper bottom sealing strip is linked together by this hot melt adhesive layer and described valve mouth structure;
Further improvement, described valve mouth structure comprises paper, and is crowded around by this paper and form;
Further improvement, the oral area of described valve mouth structure aligns with the knuckle of described paper bag body one end and arranges;
Further improvement, one end of described upper bottom sealing strip is pasted on the knuckle place of upper bottom portion, and the oral area that the other end exceeds valve mouth structure is arranged.
Compared with prior art, adopt such scheme, the beneficial effects of the utility model are: the utility model utilizes and the valve mouth structure of automatic open can realize the automatic open of paper bag, like this in canned, because paper bag can automatic open, do not need manually valve bag to be opened, in the operation that packaging is produced, save the time, also just improve the canned efficiency in packaging process, whole product structure is simple, practical, substantially increases the efficiency of canned production; Meanwhile, the utility model pastes a bottom sealing strip with hot melt adhesive respectively at the upper bottom portion of paper bag body, lower bottom part, utilizes this bottom sealing strip to realize the sealing of paper bag, ensures good sealing effectiveness, prevent material from sewing from the oral area of valve mouth structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of paper bag body in the utility model;
Fig. 3 is the unitized construction schematic diagram of upper bottom portion and valve mouth structure in the utility model;
Fig. 4 is the structural representation of upper bottom sealing strip in the utility model;
Fig. 5 is the structural representation that in the utility model, upper bottom portion and upper bottom sealing strip combine;
Wherein, 1, paper bag body; 2, upper bottom portion; 3, lower bottom part; 4, valve mouth structure; 5, PE film; 6, the first paper; 7, the second paper; 8-1, the first knuckle; 8-2, the second knuckle; 10, glue; 11, hot melt adhesive layer; 15, upper bottom sealing strip; 16, lower bottom sealing strip; 17, the first glue; 19, first page is covered; 20, bonnet page.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Fig. 1,2,3,4,5, a kind of sealable valve-port paper bag, comprises paper bag body 1, upper bottom portion 2, lower bottom part 3; With described paper bag body 1 for matrix, described upper bottom portion 2 and described lower bottom part 3 are separately positioned on upper end and the lower end of paper bag body 1; Described paper bag body 1 comprises paper and PE film 5; Described paper is arranged on the outside of PE film 5, is provided with glue 10 between described paper and described PE film 5; Described paper is bonded together with described PE film 5 by this glue 10; Described paper is one or more layers paper; Described PE film 5 is high strength Obstruct membrane; It is characterized in that: the inner side of described upper bottom portion 2 is provided with valve mouth structure 4; Described upper bottom portion 2 is provided with bottom sealing strip 15; Described lower bottom part 3 is provided with lower bottom sealing strip 16; Described valve mouth structure 4 is arranged on the inner side of described upper bottom sealing strip 15; Hot melt adhesive layer 11 is provided with inside described upper bottom sealing strip 15; Described upper bottom sealing strip 15 is linked together with described valve mouth structure 4 by this hot melt adhesive layer 11; Described valve mouth structure 4 comprises paper, and is crowded around by this paper and form; The oral area of described valve mouth structure 4 aligns with the knuckle 8-2 of described paper bag body 1 one end and arranges; One end of described upper bottom sealing strip 15 is pasted on the knuckle 8-1 place of upper bottom portion 2, and the oral area that the other end exceeds valve mouth structure 4 is arranged;
Concrete mode is as follows:
As shown in Figure 1 and Figure 2, a kind of sealable valve-port paper bag, comprises paper bag body 1, upper bottom portion 2, lower bottom part 3; With described paper bag body 1 for matrix, described upper bottom portion 2 and described lower bottom part 3 are separately positioned on upper end and the lower end of paper bag body 1; Described paper bag body 1 comprises the first paper 6, second paper 7 and PE film 5; Be coated with last layer glue 10 in the inner side of the second paper 7, the first paper 6 and the second paper 7 are bonded together; Then be also coated with last layer glue 10 in the inner side of the first paper 5, the first paper 5 is bonded together with PE film 5; PE film 5 adopts high strength Obstruct membrane herein; This structure utilizes glue 10 by the first paper 6, second paper 7 together with PE film 5 quick-binding, ensure that the paper film composite structure of paper bag body 1 is shaping at the quick-binding of seam, meanwhile, serves again the firm intensity strengthening paper bag heavy duty packaging;
As shown in Figure 1, Figure 3, the inner side of described upper bottom portion 2 is provided with the valve mouth structure 4 of being crowded around by paper; This valve mouth structure 4 can realize automatic open; Described valve mouth structure 4 comprises paper, and is crowded around by this paper and be shaped as the special canned inlet point that carries out; When not carrying out canned, the shape of described valve mouth structure 4 is flat compression shape; When canned, the shape of described valve mouth structure 4 can be tubular;
The paper folding face of upper bottom portion 2 by first covering page 19, bonnet page 20 forms; Valve mouth structure 4 installs the inner side of formerly lid page 19, bonnet page 20, particularly utilizes glue to be pasted on the first lid page 19 in the paper folding face of upper bottom portion 2 and the inside of bonnet page 20, and is pasted on the front of the trigonum at knuckle 8-1 place; The oral area of valve mouth structure 4 and the knuckle 8-2 of upper bottom portion 2, to it, in order to add the firm intensity of paper bag upper bottom portion 2, installing one deck paper, being bottom sealing strip 15 outside the first lid page 19, bonnet page 20 of upper bottom portion 2;
As shown in Figure 1, Figure 4, Figure 5, described upper bottom portion 2 is provided with bottom sealing strip 15; One end of described upper bottom sealing strip 15 is pasted on the knuckle 8-1 place of upper bottom portion 2, and upper bottom sealing strip 15 covers whole upper bottom portion 2, the other end of upper bottom sealing strip 15 is far beyond the length of valve mouth structure 4, be A by the length setting of valve mouth structure, namely go up the length A that length that bottom sealing strip 15 exceeds upper bottom portion 2 part is greater than valve mouth structure 4; Do not have canned before, the oral area of valve mouth structure 4 is in free state;
As shown in Figure 5, hot melt adhesive layer 11 is provided with inside described upper bottom sealing strip 15; Described upper bottom sealing strip 15 is linked together with described valve mouth structure 4 by this hot melt adhesive layer 11; Hot melt adhesive layer 11 is made up of one deck hot melt glue, this hot melt glue is coated with by point glue equipment online production, when upper bottom sealing strip 15 is affixed on upper bottom portion 2, the position of its hot melt glue is just in time in the length A distance that bottom sealing strip 15 exceeds valve mouth structure 4, the oral area of valve port 4 all can be covered like this; When after the filled material of valve bag, the upper bottom portion 2 of its valve bag is through heating devices heat, hot melt adhesive 11 on upper bottom sealing strip 15 will melt and is bonded together with the face of paper bag upper bottom portion 2 knuckle place 8-2, is just in time sealed up by valve port 4 oral area, completes the sealable process implementing of bottom sealing strip 15.
The utility model utilizes and the valve mouth structure of automatic open can realize the automatic open of paper bag, like this in canned, because paper bag can automatic open, do not need manually valve bag to be opened, in the operation that packaging is produced, save the time, also just improve the canned efficiency in packaging process, whole product structure is simple, practical, substantially increases the efficiency of canned production; Meanwhile, the utility model pastes a bottom sealing strip with hot melt adhesive respectively at the upper bottom portion of paper bag body, lower bottom part, utilizes this bottom sealing strip to realize the sealing of paper bag, ensures good sealing effectiveness, prevent material from sewing from the oral area of valve mouth structure.
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, done all conversion, all drop within protection domain of the present utility model.
Claims (5)
1. a sealable valve-port paper bag, comprises paper bag body, upper bottom portion, lower bottom part; With described paper bag body for matrix, described upper bottom portion and described lower bottom part are separately positioned on upper end and the lower end of paper bag body; Described paper bag body comprises paper and PE film; Described paper is arranged on the outside of PE film, is provided with glue between described paper and described PE film; Described paper is bonded together by this glue and described PE film; Described paper is one or more layers paper; Described PE film is high strength Obstruct membrane; It is characterized in that: the inner side of described upper bottom portion is provided with valve mouth structure; Described upper bottom portion is provided with bottom sealing strip; Described lower bottom part is provided with lower bottom sealing strip; Described valve mouth structure is arranged on the inner side of described upper bottom sealing strip.
2. the sealable valve-port paper bag of one according to claim 1, is characterized in that: be provided with hot melt adhesive layer inside described upper bottom sealing strip; Described upper bottom sealing strip is linked together by this hot melt adhesive layer and described valve mouth structure.
3. the sealable valve-port paper bag of one according to claim 1, is characterized in that: described valve mouth structure comprises paper, and is crowded around by this paper and form.
4. the sealable valve-port paper bag of the one according to claim 1 or 3, is characterized in that: the oral area of described valve mouth structure aligns with the knuckle of described paper bag body one end and arranges.
5. the sealable valve-port paper bag of one according to claim 1, is characterized in that: one end of described upper bottom sealing strip is pasted on the knuckle place of upper bottom portion, and the oral area that the other end exceeds valve mouth structure is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420714162.7U CN204264630U (en) | 2014-11-25 | 2014-11-25 | A kind of sealable valve-port paper bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420714162.7U CN204264630U (en) | 2014-11-25 | 2014-11-25 | A kind of sealable valve-port paper bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204264630U true CN204264630U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420714162.7U Active CN204264630U (en) | 2014-11-25 | 2014-11-25 | A kind of sealable valve-port paper bag |
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| CN (1) | CN204264630U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859897A (en) * | 2015-05-26 | 2015-08-26 | 锐派包装技术（上海）有限公司 | Online heat sealing machine for internal valve port packaging bag |
| CN105691852A (en) * | 2014-11-25 | 2016-06-22 | 上海艾录包装股份有限公司 | Sealable valve port paper bag |
| CN105923247A (en) * | 2016-06-29 | 2016-09-07 | 石家庄康益包装有限公司 | Paper-plastic composite sealing bag |
-
2014
- 2014-11-25 CN CN201420714162.7U patent/CN204264630U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691852A (en) * | 2014-11-25 | 2016-06-22 | 上海艾录包装股份有限公司 | Sealable valve port paper bag |
| CN105691852B (en) * | 2014-11-25 | 2018-02-16 | 上海艾录包装股份有限公司 | A kind of sealable valve-port paper bag |
| CN104859897A (en) * | 2015-05-26 | 2015-08-26 | 锐派包装技术（上海）有限公司 | Online heat sealing machine for internal valve port packaging bag |
| CN105923247A (en) * | 2016-06-29 | 2016-09-07 | 石家庄康益包装有限公司 | Paper-plastic composite sealing bag |
| CN105923247B (en) * | 2016-06-29 | 2018-12-11 | 石家庄康益包装有限公司 | A kind of paper-plastic stick hermetic bag |
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