CN105691852B - A kind of sealable valve-port paper bag - Google Patents
A kind of sealable valve-port paper bag Download PDFInfo
- Publication number
- CN105691852B CN105691852B CN201410684016.9A CN201410684016A CN105691852B CN 105691852 B CN105691852 B CN 105691852B CN 201410684016 A CN201410684016 A CN 201410684016A CN 105691852 B CN105691852 B CN 105691852B
- Authority
- CN
- China
- Prior art keywords
- upper bottom
- paper
- sealing strip
- paper bag
- mouth structure
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 239000010410 layer Substances 0.000 claims abstract description 18
- 239000004831 Hot glue Substances 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000012858 packaging process Methods 0.000 abstract description 3
- 239000011858 nanopowder Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Bag Frames (AREA)
Abstract
The invention discloses a kind of sealable valve-port paper bag, including paper bag body, upper bottom portion, lower bottom part;It is characterized in that:The inner side of the upper bottom portion is provided with valve mouth structure;The upper bottom portion is provided with upper bottom sealing strip;The lower bottom part is provided with lower bottom sealing strip;The valve mouth structure is arranged on the inner side of the upper bottom sealing strip;Hot melt adhesive layer is provided with the inside of the upper bottom sealing strip;The upper bottom sealing strip is linked together by the hot melt adhesive layer and the valve mouth structure;The present invention realizes the automatic open of paper bag using the valve mouth structure for being capable of automatic open, so canned when, because paper bag being capable of automatic open, manually valve bag need not be opened, in the process of packaging production, the time is saved, also just improves the canned efficiency in packaging process;Meanwhile the present invention pastes a bottom sealing strip with PUR respectively in the upper bottom portion of paper bag body, lower bottom part, and the sealing of paper bag is realized using the bottom sealing strip, ensures good sealing effectiveness, prevents material from being sewed from the oral area of valve mouth structure.
Description
Technical field
The present invention relates to a kind of valve-port paper bag, more particularly to a kind of sealable valve-port paper bag of bottom sealing strip, belong to packaging skill
Art field.
Background technology
At present, with the development in market, the requirement to nano-powder container packing bag is also more and more higher, works as nano powder
Body material is after filled, and closure is in not tight state is sealed automatically for the valve port mechanism of its valve bag, as paper bag material bag is being removed
Among the process of fortune by external force extruding and fall the phenomenon of bag, nano-powder material will go out with the slot leakage at valve port
Come, so cause the waste of material, two cause the pollution of environment.
In order to change this present situation, spy researches and develops a kind of valve bag, PUR new structure, bottom sealing strip is put on its bottom sealing strip
On PUR can seal closure by heating, the oral area of paper bag valve port is sealed, prevents valve-port paper bag in nano-powder filling
Material from leakage shortcoming after dress, its new technology are simple in construction.
The content of the invention
The present invention is in order to make up the deficiencies in the prior art, there is provided a kind of valve mouth structure simple in construction, the structure can be true
The sealing of valve bag is protected, ensures good sealing effectiveness.
To achieve the above object, the present invention adopts the technical scheme that:
A kind of sealable valve-port paper bag, including paper bag body, upper bottom portion, lower bottom part;Using the paper bag body as matrix,
The upper bottom portion is separately positioned on the upper end and lower end of paper bag body with the lower bottom part;The paper bag body includes paper and PE
Film;The paper is arranged on the outside of PE films, and glue is provided between the paper and the PE films;The paper passes through the glue
It is bonded together with the PE films;The paper is one or more layers paper;The PE films are high intensity Obstruct membrane;Its feature exists
In:The inner side of the upper bottom portion is provided with valve mouth structure;The upper bottom portion is provided with upper bottom sealing strip;The lower bottom part is provided with lower underseal
Bar;The valve mouth structure is arranged on the inner side of the upper bottom sealing strip;Hot melt adhesive layer is provided with the inside of the upper bottom sealing strip;The upper bottom
Strip of paper used for sealing is linked together by the hot melt adhesive layer and the valve mouth structure;
Further improve, the valve mouth structure includes paper, and is crowded around and formed by the paper;
Further improve, the oral area of the valve mouth structure aligns setting with the knuckle of described paper bag body one end;
Further improve, one end of the upper bottom sealing strip is pasted at the knuckle of upper bottom portion, and the other end exceeds valve mouth structure
Oral area set.
Compared with prior art, using such scheme, the beneficial effects of the invention are as follows:The present invention utilizes being capable of automatic open
Valve mouth structure realize the automatic open of paper bag, so canned when, because paper bag being capable of automatic open, it is not necessary to artificial
Valve bag is opened, in the process of packaging production, the time is saved, also just improves the canned efficiency in packaging process, it is whole
Individual product structure is simple, practical, substantially increases the efficiency of canned production;Meanwhile the present invention paper bag body upper bottom portion, under
A bottom sealing strip is pasted in bottom with PUR respectively, and the sealing of paper bag is realized using the bottom sealing strip, ensures good sealing effectiveness,
Prevent material from being sewed from the oral area of valve mouth structure.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of paper bag body in the present invention;
Fig. 3 is upper bottom portion and the combining structure schematic diagram of valve mouth structure in the present invention;
Fig. 4 is the structural representation of upper bottom sealing strip in the present invention;
Fig. 5 is the structural representation that upper bottom portion combines with upper bottom sealing strip in the present invention;
Wherein, 1, paper bag body;2nd, upper bottom portion;3rd, lower bottom part;4th, valve mouth structure;5th, PE films;6th, the first paper;7th, second
Paper;8-1, the first knuckle;8-2, the second knuckle;10th, glue;11st, hot melt adhesive layer;15th, upper bottom sealing strip;16th, lower bottom sealing strip;
17th, the first glue;19th, page is first covered;20th, bonnet page.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in Fig. 1,2,3,4,5, a kind of sealable valve-port paper bag, including paper bag body 1, upper bottom portion 2, lower bottom part 3;
Be matrix with the paper bag body 1, the upper bottom portion 2 and the lower bottom part 3 be separately positioned on paper bag body 1 upper end and under
End;The paper bag body 1 includes paper and PE films 5;The paper is arranged on the outside of PE films 5, the paper and the PE films 5
Between be provided with glue 10;The paper is bonded together by the glue 10 and the PE films 5;The paper is one or more layers
Paper;The PE films 5 are high intensity Obstruct membrane;It is characterized in that:The inner side of the upper bottom portion 2 is provided with valve mouth structure 4;On described
Bottom 2 is provided with upper bottom sealing strip 15;The lower bottom part 3 is provided with lower bottom sealing strip 16;The valve mouth structure 4 is arranged on the upper bottom sealing strip
15 inner side;The inner side of upper bottom sealing strip 15 is provided with hot melt adhesive layer 11;The upper bottom sealing strip 15 passes through the hot melt adhesive layer 11 and institute
Valve mouth structure 4 is stated to link together;The valve mouth structure 4 includes paper, and is crowded around and formed by the paper;The valve mouth structure
4 oral area aligns setting with the knuckle 8-2 of described one end of paper bag body 1;One end of the upper bottom sealing strip 15 is pasted on upper bottom portion 2
Knuckle 8-1 at, the other end beyond valve mouth structure 4 oral area set;
Specific mode is as follows:
As shown in Figure 1 and Figure 2, a kind of sealable valve-port paper bag, including paper bag body 1, upper bottom portion 2, lower bottom part 3;With institute
It is matrix to state paper bag body 1, and the upper bottom portion 2 is separately positioned on the upper end and lower end of paper bag body 1 with the lower bottom part 3;Institute
Stating paper bag body 1 includes the first paper 6, the second paper 7 and PE films 5;Last layer glue 10 is applied in the inner side of the second paper 7, will
First paper 6 is bonded together with the second paper 7;Then last layer glue 10 is also applied in the inner side of the first paper 6, by the first paper
6 are opened to be bonded together with PE films 5;PE films 5 use high intensity Obstruct membrane herein;The structure is using glue 10 by the first paper 6, the
Two paper 7 are together with the quick-binding of PE films 5, it is ensured that quick-binding of the paper membrane composite construction of paper bag body 1 in seam crossing
Shaping, meanwhile, the firm intensity for strengthening paper bag heavy duty packaging is served again;
As shown in Figure 1, Figure 3, the inner side of the upper bottom portion 2 is provided with the valve mouth structure 4 crowded around by paper;The valve port knot
Structure 4 can realize automatic open;The valve mouth structure 4 includes paper, and is crowded around by the paper to be shaped as special carry out
Canned charging aperture;Without it is canned when, the valve mouth structure 4 is shaped as flat compression shape;It is described when canned
The shape of valve mouth structure 4 can be tubular;
The paper folding face of upper bottom portion 2 is by first covering page 19, bonnet page 20 forms;Valve mouth structure 4 installs first lid page 19, bonnet page
20 inner side, the inside of the first lid page 19 and bonnet page 20 in the paper folding face of upper bottom portion 2 is particularly pasted on using glue, and it is viscous
On the front for the trigonum being affixed at knuckle 8-1;The oral area of valve mouth structure 4 and the knuckle 8-2 of upper bottom portion 2 to its, in order to plus
The firm intensity of paper bag upper bottom portion 2, one layer of first lid page 19, the outside of bonnet page 20 installation paper in upper bottom portion 2, as upper underseal
Bar 15;
As shown in Figure 1, Figure 4, Figure 5, the upper bottom portion 2 is provided with upper bottom sealing strip 15;Paste one end of the upper bottom sealing strip 15
At the knuckle 8-1 of upper bottom portion 2, and upper bottom sealing strip 15 covers whole upper bottom portion 2, and the other end of upper bottom sealing strip 15 is far beyond valve
The length of mouth structure 4, the length of valve mouth structure is set as A, i.e., length of the upper bottom sealing strip 15 beyond the part of upper bottom portion 2 is more than valve
The length A of mouth structure 4;It is no it is canned before, the oral area of valve mouth structure 4 is in free state;
As shown in figure 5, the inner side of upper bottom sealing strip 15 is provided with hot melt adhesive layer 11;The upper bottom sealing strip 15 passes through the PUR
Layer 11 links together with the valve mouth structure 4;Hot melt adhesive layer 11 is made up of one layer of hot melt glue, and the hot melt glue is to pass through a little
Adhesive dispenser online production applies up, and when upper bottom sealing strip 15 is affixed on upper bottom portion 2, the position of its hot melt glue is just in bottom
Strip of paper used for sealing 15 exceeds the length A distances of valve mouth structure 4, so can all cover the oral area of valve port 4;When valve bag is filled
After material, the upper bottom portion 2 of its valve bag passes through heating devices heat, and the PUR 11 on upper bottom sealing strip 15 will melt and paper bag
8-2 face is bonded together at the knuckle of upper bottom portion 2, just seals up the oral area of valve port 4,15 sealable work of bottom sealing strip in completion
Skill is implemented.
The present invention realizes the automatic open of paper bag using the valve mouth structure for being capable of automatic open, so canned when,
Because paper bag being capable of automatic open, it is not necessary to manually valve bag is opened, in the process of packaging production, saves the time,
The canned efficiency in packaging process is just improved, whole product structure is simple, practical, substantially increases the efficiency of canned production;
Meanwhile the present invention pastes a bottom sealing strip with PUR respectively in the upper bottom portion of paper bag body, lower bottom part, utilize the bottom sealing strip real
The sealing of existing paper bag, ensures good sealing effectiveness, prevents material from being sewed from the oral area of valve mouth structure.
The present invention is not limited to above-mentioned specific embodiment, one of ordinary skill in the art from above-mentioned design,
Without performing creative labour, made a variety of conversion, it is within the scope of the present invention.
Claims (1)
1. a kind of sealable valve-port paper bag, including paper bag body, upper bottom portion, lower bottom part;Using the paper bag body as matrix, institute
State upper bottom portion and be separately positioned on the upper end and lower end of paper bag body with the lower bottom part;The paper bag body includes paper and PE
Film;The paper is arranged on the outside of PE films, and glue is provided between the paper and the PE films;The paper passes through the glue
It is bonded together with the PE films;The paper is one or more layers paper;The PE films are high intensity Obstruct membrane;The upper bottom
The inner side in portion is provided with valve mouth structure;The upper bottom portion is provided with upper bottom sealing strip;The lower bottom part is provided with lower bottom sealing strip;The valve port knot
Structure is arranged on the inner side of the upper bottom sealing strip;It is characterized in that:Hot melt adhesive layer is provided with the inside of the upper bottom sealing strip;The upper underseal
Bar is linked together by the hot melt adhesive layer and the valve mouth structure;The valve mouth structure includes paper, and is enclosed by the paper
Hold together to form;The oral area of the valve mouth structure aligns setting with the knuckle of described paper bag body one end;One end of the upper bottom sealing strip
It is pasted at the knuckle of upper bottom portion, the other end is set beyond the oral area of valve mouth structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410684016.9A CN105691852B (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 |
|---|---|---|---|
| CN201410684016.9A CN105691852B (en) | 2014-11-25 | 2014-11-25 | A kind of sealable valve-port paper bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105691852A CN105691852A (en) | 2016-06-22 |
| CN105691852B true CN105691852B (en) | 2018-02-16 |
Family
ID=56941761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410684016.9A Active CN105691852B (en) | 2014-11-25 | 2014-11-25 | A kind of sealable valve-port paper bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105691852B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472673A (en) * | 2017-08-04 | 2017-12-15 | 佛山市达肯包装机械有限公司 | A kind of interior paper tubular valve-port packaging bag |
| CN107878905A (en) * | 2017-11-07 | 2018-04-06 | 湖南鸿江包装有限公司 | A kind of high-intensity packing bag |
| CN112572981A (en) * | 2020-12-22 | 2021-03-30 | 上海艾录包装股份有限公司 | Novel valve port bag |
| CN115723377B (en) * | 2022-11-22 | 2024-05-31 | 江西新明峰包装科技有限公司 | PE film valve bag manufacturing process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203033098U (en) * | 2012-12-07 | 2013-07-03 | 上海艾录纸包装有限公司 | Valve port paper bag for packaging nanometer powder |
| CN103223732A (en) * | 2013-05-15 | 2013-07-31 | 常州市恒成塑料机械有限公司 | Continuous feeding and cutting device for bag bottom sealing strip of square bottom valve bag |
| CN204264630U (en) * | 2014-11-25 | 2015-04-15 | 上海艾录包装股份有限公司 | A kind of sealable valve-port paper bag |
-
2014
- 2014-11-25 CN CN201410684016.9A patent/CN105691852B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203033098U (en) * | 2012-12-07 | 2013-07-03 | 上海艾录纸包装有限公司 | Valve port paper bag for packaging nanometer powder |
| CN103223732A (en) * | 2013-05-15 | 2013-07-31 | 常州市恒成塑料机械有限公司 | Continuous feeding and cutting device for bag bottom sealing strip of square bottom valve bag |
| CN204264630U (en) * | 2014-11-25 | 2015-04-15 | 上海艾录包装股份有限公司 | A kind of sealable valve-port paper bag |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105691852A (en) | 2016-06-22 |
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