CN105691852A - Sealable valve port paper bag - Google Patents
Sealable valve port paper bag Download PDFInfo
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- CN105691852A CN105691852A CN201410684016.9A CN201410684016A CN105691852A CN 105691852 A CN105691852 A CN 105691852A CN 201410684016 A CN201410684016 A CN 201410684016A CN 105691852 A CN105691852 A CN 105691852A
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- upper bottom
- paper
- paper bag
- sealing strip
- bottom sealing
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Abstract
The invention discloses a sealable valve port paper bag which comprises a paper bag body, an upper bottom and a lower bottom. The sealable valve port paper bag is characterized in that the inner side of the upper bottom is provided with a valve port structure, the upper bottom is provided with an upper bottom sealing strip, the lower bottom is provided with a lower bottom sealing strip, and the valve port structure is arranged on the inner side of the upper bottom sealing strip. The inner side of the upper bottom sealing strip is provided with a hot melting adhesive layer, and the upper bottom sealing strip is connected with the valve port structure through the hot melting adhesive layer. The valve port structure that can be automatically opened can be utilized to achieve automatic opening of the paper bag, the valve port bag does not need to be opened manually, and then the time is save in a packaging production process, and the canning efficiency in the packaging process is also improved; the bottom sealing strips respectively adhere to the upper bottom and the lower bottom of the paper bag body; the bottom sealing strips are utilized to seal the paper bag, the good sealing effect is guaranteed, and materials are prevented from being leaked from an opening part of the valve port structure.
Description
Technical field
The present invention relates to a kind of valve-port paper bag, particularly relate to a kind of sealable valve-port paper bag of bottom sealing strip, belong to packing technique field。
Background technology
At present, development along with market, requirement to nano-powder container packing bag is also increasingly higher, when nano-powder material is after filled, the valve port mechanism of its valve bag automatically closes and is in the not tight state of sealing, wraps in the extruding being subject to external force in the middle of the process of carrying and the phenomenon falling bag such as paper bag material, and nano-powder material will with the slot leakage at valve port place out, so causing 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, puts PUR new structure on its bottom sealing strip, PUR on bottom sealing strip can seal Guan Bi through heating, the oral area of paper bag valve port is sealed, prevent valve-port paper bag material from leakage shortcoming after nano-powder fill, its new technology simple in construction。
Summary of the invention
The present invention is in order to make up the deficiencies in the prior art, it is provided that the valve mouth structure of a kind of simple in construction, and this structure is able to ensure that the sealing of valve bag, it is ensured that good sealing effectiveness。
For achieving 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；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 includes 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 intensity 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；It is 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；
Improving further, described valve mouth structure includes paper, and is crowded around by this paper and form；
Improving further, the oral area of described valve mouth structure aligns with the knuckle of described paper bag body one end setting；
Improving further, one end of described upper bottom sealing strip is pasted on the knuckle place of upper bottom portion, and the other end is arranged beyond the oral area of valve mouth structure。
Compared with prior art, adopt such scheme, the invention has the beneficial effects as follows: the present invention utilizes and the valve mouth structure of automatic open can realize the automatic open of paper bag, so in canned, owing to paper bag can automatic open, manually valve bag need not be opened, in the operation that packaging produces, 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 present invention pastes a bottom sealing strip with PUR 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, it is ensured that good sealing effectiveness, it is prevented that material is sewed from the oral area of valve mouth structure。
Accompanying drawing explanation
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 the combinative structure schematic diagram of upper bottom portion and 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 in the present invention, upper bottom portion combines with upper bottom sealing strip；
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, page is first covered；20, bonnet page。
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described。
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；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 includes 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 intensity 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；It is provided with hot melt adhesive layer 11 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 includes 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 setting；One end of described upper bottom sealing strip 15 is pasted on the knuckle 8-1 place of upper bottom portion 2, and the other end is arranged beyond the oral area of valve mouth structure 4；
Concrete 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 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 includes the first paper the 6, second paper 7 and PE film 5；It is 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 also it is coated with last layer glue 10 in the inner side of the first paper 6, the first paper 6 is bonded together with PE film 5；PE film 5 adopts high intensity Obstruct membrane herein；This structure utilizes glue 10 by first paper the 6, second paper 7 together with PE film 5 quick-binding, it is ensured that the paper membrane composite construction of paper bag body 1 is in the quick-binding molding of seam crossing, 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 crowded around by paper；This valve mouth structure 4 is capable of automatic open；Described valve mouth structure 4 includes paper, and is crowded around by this paper and be shaped as and special carry out canned charging aperture；When not carrying out canned, described valve mouth structure 4 be shaped as 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 inside of first lid page 19 and bonnet page 20 in paper folding face of upper bottom portion 2, and is pasted on the front of trigonum at knuckle 8-1 place；The knuckle 8-2 of the oral area of valve mouth structure 4 and upper bottom portion 2 is to it, for the firm intensity plus paper bag upper bottom portion 2, installs one layer of paper, be bottom sealing strip 15 outside the first lid page 19 of upper bottom portion 2, bonnet page 20；
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, the length of valve mouth structure is set as A, namely goes up bottom sealing strip 15 and exceed the length length A more than valve mouth structure 4 of upper bottom portion 2 part；Do not have canned before, the oral area of valve mouth structure 4 is in free state；
As it is shown in figure 5, be provided with hot melt adhesive layer 11 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 layer of hot melt glue, this hot melt glue is coated with up 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 the bottom sealing strip 15 length A distance beyond valve mouth structure 4, so can all be covered by the oral area of valve port 4；When after the filled material of valve bag, the upper bottom portion 2 of its valve bag is through heating devices heat, the face that PUR 11 on upper bottom sealing strip 15 will melt with paper bag upper bottom portion 2 knuckle place 8-2 is bonded together, and is just sealed up by valve port 4 oral area, completes the sealable process implementing of bottom sealing strip 15。
The present invention utilizes and the valve mouth structure of automatic open can realize the automatic open of paper bag, so in canned, owing to paper bag can automatic open, manually valve bag need not be opened, in the operation that packaging produces, 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 present invention pastes a bottom sealing strip with PUR 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, it is ensured that good sealing effectiveness, it is prevented that material is sewed from the oral area of valve mouth structure。
The present invention is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art, from above-mentioned design, without performing creative labour, done all conversion, all falls within protection scope of the present invention。
Claims (4)
1. a sealable valve-port paper bag, including 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 includes 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 intensity 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；It is 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。
2. the sealable valve-port paper bag of one according to claim 1, it is characterised in that: described valve mouth structure includes paper, and is crowded around by this paper and form。
3. the sealable valve-port paper bag of one according to claim 1 and 2, it is characterised in that: the oral area of described valve mouth structure aligns with the knuckle of described paper bag body one end setting。
4. the sealable valve-port paper bag of one according to claim 1, it is characterised in that: one end of described upper bottom sealing strip is pasted on the knuckle place of upper bottom portion, and the other end is arranged 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 true CN105691852A (en) | 2016-06-22 |
| CN105691852B 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) |
Cited By (3)
| 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 |
| CN115723377A (en) * | 2022-11-22 | 2023-03-03 | 江西新明峰包装科技有限公司 | Manufacturing process of PE film valve bag |
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 |
Cited By (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 |
| CN115723377A (en) * | 2022-11-22 | 2023-03-03 | 江西新明峰包装科技有限公司 | Manufacturing process of PE film valve 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 |
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| Publication number | Publication date |
|---|---|
| CN105691852B (en) | 2018-02-16 |
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