CN105691852B - A kind of sealable valve-port paper bag - Google Patents

A kind of sealable valve-port paper bag Download PDF

Info

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
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410684016.9A
Other languages
Chinese (zh)
Other versions
CN105691852A (en
Inventor
陈安康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI AILU PACKAGE Co Ltd
Original Assignee
SHANGHAI AILU PACKAGE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI AILU PACKAGE Co Ltd filed Critical SHANGHAI AILU PACKAGE Co Ltd
Priority to CN201410684016.9A priority Critical patent/CN105691852B/en
Publication of CN105691852A publication Critical patent/CN105691852A/en
Application granted granted Critical
Publication of CN105691852B publication Critical patent/CN105691852B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • 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

A kind of sealable valve-port paper bag
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.
CN201410684016.9A 2014-11-25 2014-11-25 A kind of sealable valve-port paper bag Active CN105691852B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN105691852B (en) A kind of sealable valve-port paper bag
CN204507614U (en) A kind of stepped valve bag
CN205327726U (en) Packaging bag structure that valve port was easily opened
CN201777482U (en) Closed valve paper bag
CN204264630U (en) A kind of sealable valve-port paper bag
CN204688645U (en) Valve-port packaging bag in a kind of antiseep
CN204264627U (en) A kind of valve bag with automatic open function
CN208035542U (en) It is a kind of can auto-filling particle valve bag
CN204871881U (en) Novel valve port container bag
CN204264631U (en) A kind of new type of valve pocket
CN206537687U (en) A kind of new combined package bag easy to open
CN206493667U (en) A kind of pesticides packaging auto-filling shaping membrane
CN206351842U (en) A kind of heat-sealed bag
CN205327758U (en) Electromagnetic induction seals gasket with put forth effort part
CN206050422U (en) Stretch-proof high strength paper packaging bag
CN204297318U (en) A kind of without viscose type electromagnetic induction seal gasket
CN201566917U (en) Packing bag
CN204871986U (en) Proclaim oneself formula internal valve pocket
CN202222215U (en) Folding fruit bag easy for bagging
CN203152151U (en) Double-layer double-seal integrated fruit bag
CN201512212U (en) Packaging bag of cartridge
CN203143233U (en) Three-side sealed packaging bag easy to open
CN109334106A (en) A kind of sealing bag and its production process
CN201301035Y (en) Milk packing bag
CN205221569U (en) Compression instant noodle packing carton

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant