CN103979195A - Packaging bag - Google Patents
Packaging bag Download PDFInfo
- Publication number
- CN103979195A CN103979195A CN201410208094.1A CN201410208094A CN103979195A CN 103979195 A CN103979195 A CN 103979195A CN 201410208094 A CN201410208094 A CN 201410208094A CN 103979195 A CN103979195 A CN 103979195A
- Authority
- CN
- China
- Prior art keywords
- bag
- packaging bag
- packaging
- bag body
- insulation strip
- 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.)
- Pending
Links
Landscapes
- Bag Frames (AREA)
Abstract
The invention discloses a packaging bag which comprises a packaging bag body, at least one isolation strip, wherein the isolation strip is arranged at the inner side of an opening of the packaging bag body; the packaging bag is capable of preventing the inner surface of the packaging bag body from being completely adhered and sealed when being subjected to thermal sealing, and a gap which is capable of exhausting air outwards is reserved at a thermal sealing line. The packaging bag not only can adapt to bag loading requirements of automatic packaging equipment, but also can automatically exhaust non-exhausted air in the bag when internal pressure is increased by extrusion caused by stacking and carrying after thermal sealing is finished; during normal pressure, the air in the packaging bag is relatively isolated from the outside, so that external air can not enter into the bag to exchange with the air in the bag, and articles in the bag are effectively prevented from moisture absorption and deterioraton.
Description
Technical field
The invention belongs to packaging bag field, be specifically related to a kind of automatic packing and cooper of can better adapting to and do the packaging bag requiring.
Background technology
Current, day by day in short supply along with scientific and technological progress and social labor power, when the package handling of the bagged products such as white sugar, chemical fertilizer is produced, people have adopted more and more and have comprised that automatic bag feeding, automatic weighing, self-sealing fully-automatic packaging equipment replace hand-filling operation.But can meet at present on Automatic weighing and packaging equipment a packaging bag that bag requires and be inner bag and outer bag in sack portion hot pressing or sewn together, after completing weighing, sewing machine directly or after flanging is sewed up packaging bag, at lignilite place, there is the eedle eye much communicating with packaging bag inside in such suture way, when carrying out stacking, packing material can make the air not being emptied completely in packaging bag be able to quick discharge, avoid packing material because the internal pressure that is squeezed increases, quick-fried bag to occur in stacking or handling process, but also just because of there being too many eedle eye, make packaging bag be easy to gas leakage, also cause the white sugar in bag, the moisture-sensitive products such as fertilizer are easy to touch outside air, there is moisture absorption caking or rotten.
For fear of the rear packaging bag gas leakage of sealing, people have adopted heat seal to add the method for sewing when seam bag, by heat seal, first inner bag is sealed completely, then sew outer bag is sewed up together with inner bag above heat sealing line, the intensity of not only having avoided gas leakage but also having guaranteed to sew up.But because automated packaging equipment air wherein before packaging bag heat sealing cannot be emptied completely at all, after having sealed, be squeezed and cause internal pressure to increase carrying out stacking or carrying, tend to make not emptying air that the inner bag of packaging bag is risen brokenly and causes packaging bag to be leaked gas in heat seal place of bottom and oral area, the products such as the white sugar in packaging bag, fertilizer contact the moisture absorption with air rotten.Exactly because the existence of above problem, cause automatic packaging equipment to be difficult to so far be widely applied in the package handling of the easy moisture absorption product such as white sugar, fertilizer, consume a large amount of social labor power, affected the raising of Business Economic Benefit, restricted the development of enterprise.
Therefore, need to there is a kind of packaging bag both to adapt to bag requirement on automated packaging equipment, again can be after completing heat sealing, in bag, evacuation of air is not squeezed when internal pressure increases and can automatically discharges at stacking or carrying, and can keep relative isolated with the external world during normal pressure, outside air cannot exchange with in bag, can effectively prevent that bag interior article moisture absorption is rotten.But on present society, not yet find that there is the packaging bag that can meet above-mentioned requirements.
Summary of the invention
The object of the invention is to solve existing packaging bag and have shortcomings and deficiencies, a kind of packaging bag of packing automatically that is more applicable to is provided.
The object of the invention to solve the technical problems realizes by the following technical solutions.The packaging bag proposing according to the present invention, comprise packaging bag body, also comprise at least one insulation strip, this insulation strip is arranged on the inner side of this packaging bag body oral area, when carrying out heat sealing, packaging bag can prevent that packaging bag body internal surface from being sealed by complete adhesion, retains an outwards gap for exhaust on heat sealing line.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid packaging bag, wherein said insulation strip is 1～5 wide 1～50mm of being, stretch into the paper tape that the degree of depth of sack is 10～250mm, or 1～5 diameter is 1～15mm, stretches into the flexible cotton thread that the sack degree of depth is 10～250mm.
Preferably, aforesaid packaging bag, the length direction of wherein said insulation strip whole piece from the oral area of this packaging bag body along packaging bag body is in line and is adhered to the inside face of this packaging bag body, or one end or two ends are adhered on the inside face of this packaging bag body.
Preferably, aforesaid packaging bag, wherein said packaging bag body is comprised of outer bag and inner bag, and this inner bag is placed in this outer bag, and this outer bag is sewn together in bottom fold with this inner bag, and this insulation strip is arranged on the oral area inner side of this inner bag.
Preferably, aforesaid packaging bag, wherein this inner bag bottom is sewn together with this outer bag after heat sealing, and sewing thread is positioned at hot thread below.
Preferably, aforesaid packaging bag, wherein said outer bag is Polywoven Bag, plastic film band or paper bag, and inner bag is plastic film bag, and the length of inner bag is greater than outer bag.
Preferably, aforesaid packaging bag, wherein said inner bag is bonded on the inside face of outer bag, forms packaging bag body together with outer bag.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, the present invention can reach suitable technological advance and practicality, and there is the extensive value in industry, it at least has following advantages: the packaging bag of this innovation is in the situation that increasing manufacturing cost hardly, can adapt to fully-automatic packaging equipment automatic bag feeding and the job requirements of opening bag, can weigh pack and carry out after heat sealing completing again, air not emptying in bag is squeezed when internal pressure increases and can automatically discharges at stacking or carrying, need to not discharge air in bag by vacuum apparatus suction, do not affect operating efficiency, do not increase vacuum apparatus cost and operating cost, and can keep relative isolated with the external world when normal pressure, outside air cannot exchange with in bag, can effectively prevent bag interior article from contacting with outside air and the moisture absorption is rotten, the fine white sugar that solved, an automatic packaging operation difficult problem for the moisture-sensitive products such as fertilizer, fully-automatic packaging equipment is able at white sugar, in the package handling of the moisture-sensitive products such as fertilizer, applied, greatly promote operating efficiency and quality, be that society separates amplification quantity labour power simultaneously, effectively improve Business Economic Benefit.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification sheets, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is that the structure master of a kind of packaging bag in one embodiment of the invention looks schematic diagram.
Accompanying drawing mark is described as follows: 1: packaging bag body, 11: outer bag, 12: inner bag, 121: bag end heat sealing line, 13: sack flanging hot pressing line, 14: bag end sewing thread, 2: insulation strip.
The specific embodiment
For further setting forth the present invention, reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its specific embodiment of packaging bag, structure, feature and effect thereof to proposing according to the present invention, be described in detail as follows.
As shown in Figure 1, a kind of packaging bag for preferred embodiment of the present invention, packaging bag body 1 consists of outer bag 11, inner bag 12 and insulation strip 2, inner bag 12 is placed in outer bag 11, outer bag 11 and inner bag 12 are sewn together in bottom fold, insulation strip 2 is arranged on the oral area inner side of the inner bag 12 of packaging bag body, when packaging bag body carries out heat sealing, this insulation strip 2 stretches out outside the heat sealing line of this inner bag 12, the inside face that can prevent the inner bag 12 of packaging bag body is sealed by complete adhesion, retains an outwards gap for exhaust on sealing line.
During concrete enforcement, can according to the size of packaging bag, determine number and the size of described insulation strip 2, the insulation strip 2 of the present embodiment setting is the flexible cotton thread that 1 diameter is 3mm, and the degree of depth that its length direction along packaging bag body 1 vertically stretches into sack is 120mm; Insulation strip 2 displacements for fear of packaging bag body in heat seal and described in sewing while sealing, the effect of impact sealing, on the inside face of the either side of inner bag 12 Widths that are adhered to close packaging bag body of when packaging bag body is made, described insulation strip 2 whole pieces being in line.In order to reduce the manufacturing cost of packaging bag body and to make to make easier, above-described insulation strip 2 paper tape that also an available width is 10mm is replaced, it needs one end to stick in edge on the oral area of packaging bag body, the other end hangs down in packaging bag body, or one end sticks in edge on the oral area of packaging bag body, and the other end is also adhered on the inside face of packaging bag body.
In preferred technical scheme, in order to facilitate and to adapt to the automatic bag feeding of automated packaging equipment and open bag operation, when packaging bag body is made, described outer bag 11 is sticked together outer bag and inner bag with becoming the wide ring limit of a treaty 2cm and adopt hot-press equipment that this ring limit hot pressing is formed to sack flanging hot pressing line 13 along inside reflexed on inner bag 12 oral areas at sack place, now the upper end of insulation strip 2 is positioned at sack flanging, by sack hot pressing line, is fixed; Also can adopt sewing device that this ring limit is sewn together, now the upper end of insulation strip 2 is positioned at sack flanging equally, by sack sewing thread, is fixed; For avoiding packaging bag body to produce gas leakage because of organic pinprick, during making by the first heat seal in the bottom of the inner bag 12 of described packaging bag body 1, then fold the wide flanging of a treaty 2cm together with outer bag 11, and on flanging, adopt sewing thread 14 at the bottom of bag of sewing device car, outer bag 11 and inner bag 12 is sewn together, and sewing thread is positioned at the below of the bag end heat sealing line 121 of inner bag 12.In order to make packaging bag body 1 inner bag 12 when the packaging product be not easy to be bursting at the collision, when making, packaging bag body 1 make the length of described inner bag 12 be greater than the length of outer bag 11.
In the technical scheme of the present embodiment, described outer bag 11 is Polywoven Bags, and inner bag 12 is plastic film bags; But also can described outer bag 11 use plastic film bands or paper bag be substituted, but also described inner bag 12 can be bonded on the inside face of outer bag 11 according to the different needs of the demand in market and packaging product, form packaging bag body 1 with outer bag 11 integral types.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. a packaging bag, comprise packaging bag body, characterized by further comprising at least one insulation strip, this insulation strip is arranged on the inner side of this packaging bag body oral area, when carrying out heat sealing, packaging bag can prevent that packaging bag body internal surface from being sealed by complete adhesion, retains an outwards gap for exhaust on heat sealing line.
2. packaging bag according to claim 1, it is characterized in that described insulation strip is 1～5 wide 1～50mm of being, stretches into the paper tape that the degree of depth of sack is 10～250mm, or 1～5 diameter is 1～15mm, stretches into the flexible cotton thread that the sack degree of depth is 10～250mm.
3. packaging bag according to claim 1 and 2, it is characterized in that the length direction of described insulation strip whole piece from the oral area of this packaging bag body along packaging bag body is in line is adhered to the inside face of this packaging bag body, or one end or two ends are adhered on the inside face of this packaging bag body.
4. packaging bag according to claim 1 and 2, it is characterized in that described packaging bag body is comprised of outer bag and inner bag, this inner bag is placed in this outer bag, and this outer bag is sewn together in bottom fold with this inner bag, and this insulation strip is arranged on the oral area inner side of this inner bag.
5. packaging bag according to claim 4, is characterized in that this inner bag bottom is sewn together with this outer bag after heat sealing, and sewing thread is positioned at hot thread below.
6. packaging bag according to claim 4, is characterized in that described outer bag is Polywoven Bag, plastic film band or paper bag, and inner bag is plastic film bag, and the length of inner bag is greater than outer bag.
7. packaging bag according to claim 4, is characterized in that described inner bag is bonded on the inside face of outer bag, forms packaging bag body together with outer bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208094.1A CN103979195A (en) | 2014-05-16 | 2014-05-16 | Packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208094.1A CN103979195A (en) | 2014-05-16 | 2014-05-16 | Packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103979195A true CN103979195A (en) | 2014-08-13 |
Family
ID=51271417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410208094.1A Pending CN103979195A (en) | 2014-05-16 | 2014-05-16 | Packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103979195A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104206230A (en) * | 2014-09-04 | 2014-12-17 | 雷通灵 | Rosin collection bag |
| CN104627497A (en) * | 2015-01-30 | 2015-05-20 | 广西力源宝科技有限公司 | Hot seal sealing packaging bag |
| CN106892204A (en) * | 2015-12-18 | 2017-06-27 | 江西普润药业有限公司 | A kind of Tiny ecosystem micropore breathes packing method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3237844A (en) * | 1963-10-07 | 1966-03-01 | Ici Ltd | Bag closure |
| US3394871A (en) * | 1966-11-25 | 1968-07-30 | Bemis Co Inc | Bags |
| US3473725A (en) * | 1967-03-30 | 1969-10-21 | Fisons Pty Ltd | Seal on sacks |
| CN1123762A (en) * | 1994-09-09 | 1996-06-05 | 罗姆和哈斯公司 | Recycleable bulk bag containers |
| CN2442954Y (en) * | 2000-09-20 | 2001-08-15 | 傅国明 | Grain preserving bag |
| CN103395518A (en) * | 2013-08-13 | 2013-11-20 | 广西力源肥业科技农化有限公司 | Packing bag sealing method |
| CN203865185U (en) * | 2014-05-16 | 2014-10-08 | 广西力源宝科技有限公司 | Packaging bag |
-
2014
- 2014-05-16 CN CN201410208094.1A patent/CN103979195A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3237844A (en) * | 1963-10-07 | 1966-03-01 | Ici Ltd | Bag closure |
| US3394871A (en) * | 1966-11-25 | 1968-07-30 | Bemis Co Inc | Bags |
| US3473725A (en) * | 1967-03-30 | 1969-10-21 | Fisons Pty Ltd | Seal on sacks |
| CN1123762A (en) * | 1994-09-09 | 1996-06-05 | 罗姆和哈斯公司 | Recycleable bulk bag containers |
| CN2442954Y (en) * | 2000-09-20 | 2001-08-15 | 傅国明 | Grain preserving bag |
| CN103395518A (en) * | 2013-08-13 | 2013-11-20 | 广西力源肥业科技农化有限公司 | Packing bag sealing method |
| CN203865185U (en) * | 2014-05-16 | 2014-10-08 | 广西力源宝科技有限公司 | Packaging bag |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104206230A (en) * | 2014-09-04 | 2014-12-17 | 雷通灵 | Rosin collection bag |
| CN104627497A (en) * | 2015-01-30 | 2015-05-20 | 广西力源宝科技有限公司 | Hot seal sealing packaging bag |
| CN106892204A (en) * | 2015-12-18 | 2017-06-27 | 江西普润药业有限公司 | A kind of Tiny ecosystem micropore breathes packing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202163773U (en) | Double-layered combined flexible freight bag | |
| CN103979195A (en) | Packaging bag | |
| CN103395501A (en) | Packaging and sealing system for bagged products | |
| CN109178420A (en) | A kind of packaging method of coffee particles beverage | |
| CN203865185U (en) | Packaging bag | |
| CN203727847U (en) | Anti-seepage paper-plastic composite woven bag | |
| CN204433306U (en) | A kind of heat sealing packaging bag | |
| CN205293515U (en) | Anti stretch wrapping bag of high strength | |
| CN203450384U (en) | Bagged product packing opening sealing system | |
| CN207523985U (en) | A kind of sealing machine | |
| CN103395518A (en) | Packing bag sealing method | |
| CN211731897U (en) | Automatic packaging hardware of capsicum frutescens seasoning packet | |
| CN104627497A (en) | Hot seal sealing packaging bag | |
| CN210259441U (en) | Assembly line express packaging bag and packaging equipment thereof | |
| CN204264625U (en) | A kind of PE polythene bag with valve port | |
| CN201721738U (en) | Packaging bag | |
| CN207389931U (en) | The automated job packaging bag of chain type deoxidier | |
| CN2937127Y (en) | High strength hot melt adhesive tape on kraft | |
| CN210028470U (en) | Packaging bag meeting requirements of automatic high-speed bag feeding machine | |
| CN206142084U (en) | Novel valve bag | |
| CN202244507U (en) | Hot-press automatic valve bag | |
| CN206351842U (en) | A kind of heat-sealed bag | |
| CN202389716U (en) | Cloth-plastic composite packaging bag | |
| CN2937128Y (en) | High strength hot melt adhesive tape on kraft | |
| CN207000945U (en) | Small-size multifunction sealing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140813 |
|
| WD01 | Invention patent application deemed withdrawn after publication |