CN203486290U - Multilayer coextrusion vacuum bag - Google Patents
Multilayer coextrusion vacuum bag Download PDFInfo
- Publication number
- CN203486290U CN203486290U CN201320601056.3U CN201320601056U CN203486290U CN 203486290 U CN203486290 U CN 203486290U CN 201320601056 U CN201320601056 U CN 201320601056U CN 203486290 U CN203486290 U CN 203486290U
- Authority
- CN
- China
- Prior art keywords
- layer
- vacuum bag
- bag
- indentation line
- vacuum
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Bag Frames (AREA)
Abstract
The utility model relates to the technical field of vacuum bags, in particular to a multilayer coextrusion vacuum bag. The multilayer coextrusion vacuum bag comprises a bag body, an indentation line is arranged on the bottom of the bag body, the indentation line is formed on the bottom of the bag body in a hot press mode, and the indentation line and the bag body define the vacuum bag, wherein the top of the vacuum bag is opened, and the middle of the vacuum bag is used for containing articles. According to the multilayer coextrusion vacuum bag, the vacuum bag with the top opened and the middle used for containing the articles is formed by the bag body and the indentation line, the vacuum bag can be manufactured simply by carrying out heat sealing through one indentation line, and thus the manufacturing procedure is simple. Furthermore, when the vacuum bag is used for packaging, heat sealing of one indentation line is further carried out on the bag opening, and thus the sealing packaging of the vacuum bag can be completed simply through the two indentation lines including the indentation line of the vacuum bag. Compared with traditional four-bonding-edge sealing, the phenomenon of gas leakage of the vacuum bag after packaging is reduced greatly, and the sealing effect is good.
Description
Technical field
The utility model relates to vacuum bag technique field, is specifically related to a kind of multi-layer co-extruded vacuum bag.
Background technology
Vacuum bag is also referred to as decompression packing by people, carry out, and the topmost effect of vacuum bag is deoxygenation according to barometric pressure principle, rotten to be conducive to preventing that food from going rotten.Therefore vacuum bag is widely used in the middle of industry-by-industry with this advantage.Vacuum packaging is exactly that the oxygen in packaging bag and in food cell is taken out with air pump, make germ lose the process of " living environment ", germ just cannot survive like this, and vacuum bag can also prevent Food Oxidation, use food not spoiled, never degenerate, reduce the loss of vitamin A and C.
Application number is that 201220449387.5 Chinese utility model patent discloses the multiple film vacuum bag of a kind of multilayer, it is characterized in that comprising that fiber layer of cloth, aluminium foil layer, PE rete and PET rete form composite layer, with after two composite material plies at edge bonding edge processed and sack, bonding edge is mutually bonding by flameproof glue layer.This patent adopts three road bonding edges to form the vacuum bag of an end opening, need to be through repeatedly heat-sealing, and production process is complicated; When using vacuum bag to pack, at sack, carry out again one bonding edge heat-sealing, add the San of vacuum bag road bonding edge own, four road bonding edges are easy to cause the vacuum bag gas leakage after packing, and sealing effectiveness is poor.
Summary of the invention
In order to overcome the shortcoming and defect existing in prior art, the purpose of this utility model is to provide that a kind of production process is simple, the multi-layer co-extruded vacuum bag of good sealing effect.
The purpose of this utility model is achieved through the following technical solutions: a kind of multi-layer co-extruded vacuum bag, comprise bag, the bottom of bag is provided with indentation line, and indentation line is hot-forming in the bottom of bag, and indentation line and bag surround an open top, middle part for the vacuum bag of containing objects.
Wherein, the top of described bag is provided with indentation line, and indentation line is hot-forming in the top of bag.
Wherein, described bag is five-layer co-squeezing film, and five-layer co-squeezing film is comprised of four layers of PE layer and one deck barrier layer.
Wherein, described barrier layer is PA layer or evoh layer.
Wherein, described five-layer co-squeezing film is followed successively by a PE layer, the 2nd PE layer, the 3rd evoh layer, the 4th PE layer and the 5th PE layer from skin to internal layer.
Wherein, described five-layer co-squeezing film is followed successively by a PE layer, the 2nd PE layer, the 3rd PA layer, the 4th PE layer and the 5th PE layer from skin to internal layer.
Wherein, a described PE layer and described the 5th PE layer are low temperature resistant PE layer.
Wherein, a described PE layer, described the 2nd PE layer and described the 5th PE layer are electrostatic prevention PE layer.
Wherein, the Thickness Ratio of described five-layer co-squeezing film from skin to internal layer is followed successively by 1.5 ~ 2:1.25 ~ 1.75:1 ~ 2:1.25 ~ 1.75:1.5 ~ 2.
Wherein, the thickness of described five-layer co-squeezing film from skin to internal layer is followed successively by 20 ~ 80um, 15 ~ 65um, 20 ~ 80um, 15 ~ 65um and 20 ~ 80um.
The beneficial effects of the utility model are: the indentation line that the utility model adopts bag and is arranged at bottom forms an open top, middle part for the vacuum bag of containing objects, vacuum bag of the present utility model only need to can be made into through one indentation line heat-sealing, and production process is simple; And while using vacuum bag of the present utility model to pack, at sack, carry out again one indentation line heat-sealing, add one indentation line of vacuum bag itself, only need twice indentation line can complete the sealed package of vacuum bag, compare with the sealing of traditional Si road bonding edge, greatly reduced the vacuum bag gas leak phenomenon after packing, good sealing effect.
Multi-layer co-extruded vacuum bag of the present utility model is to be co-extruded by five layers of composite material, there is stronger low temperature resistant freezing performance, can guarantee the quality, fresh-keeping, protect taste, long shelf-life, also there is high temperature resistant, oil resistant, humidity, intensity high, its mechanical property, the barrier property of oxygen and aqueous vapor all surpasses national test stone, also has the high transparency and elasticity.
Multi-layer co-extruded vacuum bag of the present utility model has the feature of environmental protection, energy-conservation, low-carbon (LC), utilizes multi-layer co-extruded technology to replace MULTILAYER COMPOSITE technology, has reduced cost, has simplified production process, has reduced dissolvent residual, and environmental protection is pollution-free.
accompanying drawing explanation:
Fig. 1 is the structural representation of a kind of multi-layer co-extruded vacuum bag described in the utility model.
Fig. 2 is the structural representation after a kind of multi-layer co-extruded vacuum bag packages described in the utility model.
Fig. 3 is the part sectional view of a kind of multi-layer co-extruded vacuum bag described in the utility model.
Reference numeral is:
1---bag
2---indentation line
11---a PE layer
12---the 2nd PE layer
13---the 3rd evoh layer, the 3rd PA layer
14---the 4th PE layer
15---the 5th PE layer.
the specific embodiment:
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and 1 ~ 3 pair of the utility model of accompanying drawing, be further described, the content that embodiment is mentioned is not to restriction of the present utility model.
See Fig. 1 ~ 3, a kind of multi-layer co-extruded vacuum bag, comprises bag 1, and the bottom of bag 1 is provided with indentation line 2, and indentation line 2 is hot-forming in the bottom of bag 1, and indentation line 2 and bag 1 surround an open top, middle part for the vacuum bag of containing objects.
The indentation line 2 that the utility model adopts bag 1 and is arranged at bottom forms an open top, middle part for the vacuum bag of containing objects, and vacuum bag of the present utility model only need to can be made into through one indentation line 2 heat-sealing, and production process is simple; And while using vacuum bag of the present utility model to pack, at sack, carry out again one indentation line 2 heat-sealing, add one indentation line 2 of vacuum bag itself, only need twice indentation line 2 can complete the sealed package of vacuum bag, compare with the sealing of traditional Si road bonding edge, greatly reduced the vacuum bag gas leak phenomenon after packing, good sealing effect.
In the present embodiment, the top of described bag 1 is provided with indentation line 2, and indentation line 2 is hot-forming in the top of bag 1.As shown in Figure 2, when the utility model is used, pack into after article, at the top of bag 1, carry out again one indentation line 2 heat-sealing.
In the present embodiment, described bag 1 is five-layer co-squeezing film, and five-layer co-squeezing film is comprised of four layers of PE layer and one deck barrier layer.
Multi-layer co-extruded vacuum bag of the present utility model is to be co-extruded by five layers of composite material, there is stronger low temperature resistant freezing performance, can guarantee the quality, fresh-keeping, protect taste, long shelf-life, also there is high temperature resistant, oil resistant, humidity, intensity high, its mechanical property, the barrier property of oxygen and aqueous vapor all surpasses national test stone, also has the high transparency and elasticity.
Multi-layer co-extruded vacuum bag of the present utility model has the feature of environmental protection, energy-conservation, low-carbon (LC), utilizes multi-layer co-extruded technology to replace MULTILAYER COMPOSITE technology, has reduced cost, has simplified production process, has reduced dissolvent residual, and environmental protection is pollution-free.
In the present embodiment, described barrier layer is PA layer or evoh layer.Nylon (PA) has good barrier property, energy blocking oxygen and aqueous vapor; The barrier property of evoh layer is stronger, can meet the barrier of requirements at the higher level.
In the present embodiment, described five-layer co-squeezing film is followed successively by a PE layer 11, the 2nd PE layer 12, the 3rd evoh layer 13, the 4th PE layer 14 and the 5th PE layer 15 from skin to internal layer.By five-layer co-squeezing, can obtain a kind of high-barrier five-layer co-squeezing vacuum bag.The one PE layer 11 of this high-barrier five-layer co-squeezing vacuum bag has good pliability, the 2nd PE layer 12 and the 4th layer of PE layer adopt solvent-free bonding, can effectively reduce residual solvent, environmental protection, binding power is strong, cost is low, also has stronger anti-puncture ability, and the 3rd evoh layer 13 has high barrier, the 5th PE layer 15 has good low temperature sealing property and puncture-resistant ability.
In the present embodiment, described five-layer co-squeezing film is followed successively by a PE layer 11, the 2nd PE layer 12, the 3rd PA layer 13, the 4th PE layer 14 and the 5th PE layer 15 from skin to internal layer.
In the present embodiment, a described PE layer 11 and described the 5th PE layer 15 are low temperature resistant PE layer.By five-layer co-squeezing, can obtain a kind of cryogenic freezing five-layer co-squeezing vacuum bag, the one PE layer 11 of this cryogenic freezing five-layer co-squeezing vacuum bag has good temperature resistance, resistance to abrasion and sealing-strength, the 2nd PE layer 12 and the 4th PE layer 14 adopt solvent-free bonding, can effectively reduce residual solvent, environmental protection, binding power is strong, cost is low, also have stronger anti-puncture ability, the 3rd PA layer 13 has good barrier property, and the 5th PE layer 15 has good low temperature sealing property and puncture-resistant ability.
Another kind of the present utility model preferably embodiment is: a described PE layer 11, described the 2nd PE layer 12 and described the 5th PE layer 15 are electrostatic prevention PE layer.By five-layer co-squeezing, can obtain a kind of electrostatic prevention five-layer co-squeezing vacuum bag, the one PE layer 11 of this electrostatic prevention five-layer co-squeezing vacuum bag has good temperature resistance and resistance to abrasion, and there is good anti-static ability, the 2nd PE layer 12 adopts solvent-free bonding, can effectively reduce residual solvent, environmental protection, binding power is strong, cost is low, also there is stronger anti-puncture ability, and there is good anti-static ability, the 3rd PA layer 13 has good barrier property, the 4th PE layer 14 adopts solvent-free bonding, there is stronger anti-puncture ability, the 5th PE layer 15 has good low temperature sealing property and puncture-resistant ability, and there is good anti-static ability.
In the present embodiment, the Thickness Ratio of described five-layer co-squeezing film from skin to internal layer is followed successively by 1.5 ~ 2:1.25 ~ 1.75:1 ~ 2:1.25 ~ 1.75:1.5 ~ 2.For making the utility model reach best result of use, the Thickness Ratio of described five-layer co-squeezing film from skin to internal layer is followed successively by 1.75:1.5:1.5:1.5:1.75.The thickness of the every one deck of described five-layer co-squeezing film can reasonably arrange as required.
In the present embodiment, the thickness of described five-layer co-squeezing film from skin to internal layer is followed successively by 20 ~ 80um, 15 ~ 65um, 20 ~ 80um, 15 ~ 65um and 20 ~ 80um.For making the utility model reach best result of use, the thickness of described five-layer co-squeezing film from skin to internal layer is followed successively by 35um, 28um, 24um, 28um and 35um.
Above-described embodiment is preferably implementation of the utility model, and in addition, the utility model can also be realized by alternate manner, and any apparent replacement is all within protection domain of the present utility model without departing from the concept of the premise utility.
Claims (10)
1. a multi-layer co-extruded vacuum bag, is characterized in that: comprise bag, the bottom of bag is provided with indentation line, and indentation line is hot-forming in the bottom of bag, and indentation line and bag surround an open top, middle part for the vacuum bag of containing objects.
2. a kind of multi-layer co-extruded vacuum bag according to claim 1, is characterized in that: the top of described bag is provided with indentation line, and indentation line is hot-forming in the top of bag.
3. a kind of multi-layer co-extruded vacuum bag according to claim 1, is characterized in that: described bag is five-layer co-squeezing film, and five-layer co-squeezing film is comprised of four layers of PE layer and one deck barrier layer.
4. a kind of multi-layer co-extruded vacuum bag according to claim 3, is characterized in that: described barrier layer is PA layer or evoh layer.
5. a kind of multi-layer co-extruded vacuum bag according to claim 4, is characterized in that: described five-layer co-squeezing film is followed successively by a PE layer, the 2nd PE layer, the 3rd evoh layer, the 4th PE layer and the 5th PE layer from skin to internal layer.
6. a kind of multi-layer co-extruded vacuum bag according to claim 4, is characterized in that: described five-layer co-squeezing film is followed successively by a PE layer, the 2nd PE layer, the 3rd PA layer, the 4th PE layer and the 5th PE layer from skin to internal layer.
7. a kind of multi-layer co-extruded vacuum bag according to claim 6, is characterized in that: a described PE layer and described the 5th PE layer are low temperature resistant PE layer.
8. a kind of multi-layer co-extruded vacuum bag according to claim 6, is characterized in that: a described PE layer, described the 2nd PE layer and described the 5th PE layer are electrostatic prevention PE layer.
9. according to a kind of multi-layer co-extruded vacuum bag described in claim 5 ~ 8 any one, it is characterized in that: the Thickness Ratio of described five-layer co-squeezing film from skin to internal layer is followed successively by 1.5 ~ 2:1.25 ~ 1.75:1 ~ 2:1.25 ~ 1.75:1.5 ~ 2.
10. according to a kind of multi-layer co-extruded vacuum bag described in claim 5 ~ 8 any one, it is characterized in that: the thickness of described five-layer co-squeezing film from skin to internal layer is followed successively by 20 ~ 80um, 15 ~ 65um, 20 ~ 80um, 15 ~ 65um and 20 ~ 80um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601056.3U CN203486290U (en) | 2013-09-27 | 2013-09-27 | Multilayer coextrusion vacuum bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601056.3U CN203486290U (en) | 2013-09-27 | 2013-09-27 | Multilayer coextrusion vacuum bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203486290U true CN203486290U (en) | 2014-03-19 |
Family
ID=50257136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320601056.3U Expired - Lifetime CN203486290U (en) | 2013-09-27 | 2013-09-27 | Multilayer coextrusion vacuum bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203486290U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443692A (en) * | 2014-11-03 | 2015-03-25 | 江苏益玛生物科技有限公司 | Culture medium plate packaging bag |
| CN105269904A (en) * | 2014-07-25 | 2016-01-27 | 天津亨美新型包装科技有限公司 | Microwave sterilization vacuum membrane |
| CN104443692B (en) * | 2014-11-03 | 2017-01-04 | 江苏益玛生物科技有限公司 | A kind of culture medium plate packaging bag |
| TWI629169B (en) * | 2016-05-18 | 2018-07-11 | 泓瀚科技股份有限公司 | Solvent resistant evaporation ink bag |
-
2013
- 2013-09-27 CN CN201320601056.3U patent/CN203486290U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269904A (en) * | 2014-07-25 | 2016-01-27 | 天津亨美新型包装科技有限公司 | Microwave sterilization vacuum membrane |
| CN104443692A (en) * | 2014-11-03 | 2015-03-25 | 江苏益玛生物科技有限公司 | Culture medium plate packaging bag |
| CN104443692B (en) * | 2014-11-03 | 2017-01-04 | 江苏益玛生物科技有限公司 | A kind of culture medium plate packaging bag |
| TWI629169B (en) * | 2016-05-18 | 2018-07-11 | 泓瀚科技股份有限公司 | Solvent resistant evaporation ink bag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203486290U (en) | Multilayer coextrusion vacuum bag | |
| CN102095049B (en) | Vacuum heat-insulating plate capable of reducing price and preventing gas permeation and package method thereof | |
| CN201890422U (en) | Composite membrane liquid packing bag with nozzle | |
| CN103862772B (en) | Container bag inner bag high-performance intercepts environment-friendly package material and preparation method thereof | |
| CN202805796U (en) | Environment-friendly paper-plastic compound film | |
| CN103707595A (en) | Manufacturing method of ultralow-temperature heat-sealing packaging composite film | |
| CN202072106U (en) | Overpressure resistant packaging composite film | |
| CN205952684U (en) | High resistant separates compound vacuum bag | |
| CN207275360U (en) | A kind of composite package film | |
| CN201900758U (en) | Novel aluminum foil composite bubble film | |
| CN202399599U (en) | Cold stamping forming medicinal composite hard sheet | |
| CN202764296U (en) | Composite film for packaging food | |
| CN204020106U (en) | A kind of anti-impact is inhaled peculiar smell packaging film | |
| CN204160828U (en) | High-brightness cosmetic composite sheet | |
| CN203557783U (en) | Cryogenic multi-layer coextrusion film | |
| CN209921935U (en) | Flexible heat-insulation bag | |
| CN202242191U (en) | Package material structure | |
| CN206493667U (en) | A kind of pesticides packaging auto-filling shaping membrane | |
| CN203246150U (en) | Plastic seal strip suitable for paper-based compound aseptic packaging | |
| CN205240226U (en) | Self -purging food package bag can relapse | |
| CN204801183U (en) | Chemical raw material storage container | |
| CN203318905U (en) | Surface-frosted high-resistance package bag | |
| CN202967128U (en) | Packaging bag special for wadding cotton, quilt batt and mattress batt | |
| CN202022399U (en) | Paper packing bag with breathability | |
| CN201944493U (en) | Valence-reducible anti-gas-permeation vacuum heat insulation plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |