CN109051264A - High-resistance anti-ultraviolet packaging bag - Google Patents
High-resistance anti-ultraviolet packaging bag Download PDFInfo
- Publication number
- CN109051264A CN109051264A CN201811014779.7A CN201811014779A CN109051264A CN 109051264 A CN109051264 A CN 109051264A CN 201811014779 A CN201811014779 A CN 201811014779A CN 109051264 A CN109051264 A CN 109051264A
- Authority
- CN
- China
- Prior art keywords
- bag body
- packaging bag
- layer
- sealed
- ultraviolet
- 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.)
- Granted
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 84
- 239000007767 bonding agent Substances 0.000 claims abstract description 36
- 229920006233 biaxially oriented polyamide Polymers 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 102
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 235000013305 food Nutrition 0.000 abstract description 50
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000004698 Polyethylene Substances 0.000 description 9
- 241000283216 Phocidae Species 0.000 description 5
- 238000012856 packing Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006284 nylon film Polymers 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
Abstract
The present invention relates to the technical fields of packaging bag, specifically disclose a kind of high-resistance anti-ultraviolet packaging bag, including packaging bag body, the packaging bag body sequentially includes the first BOPA layers fitted closely, first bonding agents layer, the 2nd BOPA layers, second bonding agents layer and PE layers from outside to inside, and the first bonding agents layer and second bonding agents layer are ultraviolet resistant layer.The present invention can effectively obstruct extraneous ultraviolet light, avoid food from going bad under ultraviolet light irradiation, extend the shelf-life of food, reduce the waste of food.
Description
Technical field
The present invention relates to the technical fields of packaging bag, specifically disclose a kind of high-resistance anti-ultraviolet packaging bag.
Background technique
Packaging bag is a kind of flexible transport packing container, is widely used in the fields such as food, Cereals, medicine, mineral products.Mesh
Before, with the gradually promotion of the food-safe consciousness of people, preservative is no longer added in more and more food, still, is not added
Adding preservative agent shortens the shelf-life of food rapidly, causes a large amount of food waste.Therefore, people are increasingly inclined to
It is packed in by food vacuum, extends the shelf-life of food with this.However, vacuum-packed food storage can still become after for a period of time
Matter, to find out its cause, the ultraviolet light irradiation being mainly in environment leads to the protein denaturization in food, so that food be caused to become
Matter is expired.Therefore, it is necessary to design one kind can anti-ultraviolet packaging bag subtract to extend the shelf-life of vacuum-packed food
The waste of few food.
Summary of the invention
The invention is intended to provide a kind of high-resistance anti-ultraviolet packaging bag, to solve food under ultraviolet light irradiation, protect
The matter phase shortens the problem of leading to food waste.
In order to achieve the above object, base case of the invention are as follows: high-resistance anti-ultraviolet packaging bag, including packaging bag sheet
Body, the packaging bag body sequentially include the first BOPA layers, the first bonding agents layer, the 2nd BOPA fitted closely from outside to inside
Layer, second bonding agents layer and PE layers, the first bonding agents layer and second bonding agents layer are ultraviolet resistant layer.
The working principle and beneficial effect of this base case are: BOPA is the abbreviation of BON biaxially oriented nylon film, and PE is
The abbreviation of polyethylene film.Sequentially by PE layers, second bonding agents layer, the 2nd BOPA layers, first bonding agents layer and the first BOPA layers
It is combined with each other to form packaging bag body by the compound mode of dry type, comprising purple in first binder layer second bonding agents layer
Ultraviolet absorbers, therefore, first bonding agents layer and second bonding agents layer can be by ultraviolet radiation absorptions, and then effectively obstruct ultraviolet
Line avoids the inside of ultraviolet light irradiation packaging bag body from prolonging so that food be avoided to go bad for a long time by ultraviolet irradiation
The shelf-life of long food reduces the waste of food.Simultaneously as having the double-deck adhesive layer, therefore, the packet in this base case
Pack ontology can obstruct in environment 99% ultraviolet light, effectively extend the shelf-life of food.
Further, the packaging bag body with a thickness of 160~200 μm, set that there are four resistance on the side wall of packaging bag body
Mill portion, the line of centres in four wear-resisting portions are in rectangle, the wear-resisting portion with a thickness of 210~230 μm.
In vacuum-packed food, food is packaged in inside packaging bag body, and packaging bag body vacuumizes rear and food
It fits closely, so that packaging bag body has sharp corner angle.During transportation, packaging bag body can collide, often
It is that these faceted portions are easily damaged, and then food is caused to release.Therefore, to avoid above situation, in the side of packaging bag body
Wear-resisting portion is set on wall, so that wear-resisting portion corresponds to the corner angle generated after packaged food, while the thickness in wear-resisting portion being made to be greater than packet
The general thickness for packing ontology, to effectively solve the problems, such as that faceted portions are easily damaged, and then prevents food from releasing.
Further, the inside of the packaging bag body is equipped with inner bag, and the outside of packaging bag body is equipped with outer layer bag body,
The top of inner bag and the top fitting of outer layer bag body are integrated；It is fixedly connected on the opposite inner sidewall of the outer layer bag body
More columns being vertically arranged are equipped with sealed batten, sealed groove and multiple connectors between outer layer bag body and packaging bag body,
The top of a part of connector connection sealed batten and outer layer bag body, another part connector connect sealed groove and outer layer bag body
Top；The sealed batten can seal cooperation with sealed groove and be oppositely arranged, and sealed batten is slided by dovetail groove to be connected
It connects in the column of side, sealed groove is slidably connected in the column of the other side by dovetail groove；The packaging bag body
Top is fixedly connected on sealed batten and sealed groove, and the bottom of packaging bag body is fixedly connected with the bottom of outer layer bag body.
When once needing amount to be used less when the amount of food in inner bag is more, weight is needed after taking out Partial Food
Novel sealing packaging bag avoids the bacterium in outside air from contacting with food, to extend the shelf-life of food.In general, again close
Package pack needs such as to seal strip using additional sealing element, since these additional sealing elements are to separate with packaging bag
, therefore, in life, sealing element may use the problem of disappearing suddenly afterwards several times, packaging bag is caused to seal not in time.And
In the present solution, by the way that slidable sealed batten and sealed groove are arranged on the inner wall of outer layer bag body so that sealed batten and
Sealed groove can not depart from outer layer bag body, so that timely sealing bags, completely cut off air and food.Also, it is convex due to sealing
Item and sealed groove can slide on the inner wall of outer layer bag body, and therefore, sealed batten and sealed groove can be in different locations
Inner bag is sealed.Simultaneously as be fixedly connected on sealed batten and sealed groove at the top of packaging bag body, because
This, the top of packaging bag body can follow sealed batten and sealed groove mobile, so as to obstruct ultraviolet light irradiation always
The intracorporal food of inner layer bag.Then, after use, packaging bag body is intact for the food in inner bag, outer layer bag body
It can be used repeatedly with packaging bag body, reduce the waste of packaging bag resource.
Further, the sealed batten is fixedly connected with elastic link, the one end of elastic link far from sealed batten with it is close
Envelope groove is fixedly connected.
Due to being connected with elastic link between sealed batten and sealed groove, it, can be fast when being slidingly sealed raised line
Speed determines the position of sealed groove, facilitates sealing inner bag.
Further, the connector is cord.
As connector, people are easy to cut cord, conveniently be slidingly sealed cord when cutting off packaging bag using scissors
Raised line and sealed groove.
Further, the top of the inner bag and the top of outer layer bag body are bonded by adhesive.
Further, the lateral wall of the outer layer bag body is painted with resin coated layer.
Resin coated layer can effective protection outer layer bag body, avoid the lateral wall of outer layer bag body from being scratched, effectively extend outer
The service life of layer bag body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high-resistance anti-ultraviolet packaging bag in the embodiment of the present invention one；
Fig. 2 is the partial cutaway schematic in the direction A-A in Fig. 1；
Fig. 3 is the structural schematic diagram of high-resistance anti-ultraviolet packaging bag in the embodiment of the present invention two.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: inner bag 1, outer layer bag body 2, BOPA layers of packaging bag body the 3, the first
301, first bonding agents layer 302, the 2nd BOPA layer 303, second bonding agents layer 304, PE layer 305, wear-resisting portion 306, column 4, close
Seal raised line 5, sealed groove 6, connector 7, elastic link 8.
Embodiment one
The present embodiment is as shown in Figure 1, high-resistance anti-ultraviolet packaging bag, including packaging bag body 3 are wrapped as shown in connection with fig. 2
Packing ontology 3 sequentially includes from outside to inside (being from right to left in Fig. 2) the first BOPA layer 301, first bonding agents layer 302, second
BOPA layer 303, second bonding agents layer 304 and PE layer 305, first bonding agents layer 302 and second bonding agents layer 303 are UV resistance
Line layer.
The method for preparing packaging bag body 3 is as follows: (1) ultraviolet absorbing agent phenyl salicylate being added to bonding agent poly- third
In olefin(e) acid ester, mix spare；(2) PE layer 305 is tiled, is coated uniformly on shape on PE layer 305 using the bonding agent in step (1)
At second bonding agents layer 304；(3) second bonding agents layer 304 is dried, so that the solvent in second bonding agents layer 304 is waved
It distributes complete；(4) the 2nd BOPA layer 303 is laid on second bonding agents layer 304, is uniformly applied using the bonding agent in step (1)
Formation first bonding agents layer 302 on the 2nd BOPA layer 303 is overlayed on, and dries first bonding agents layer 302；(5) by the first BOPA layers
301 are laid on the first bonding agents layer 302 in step (4), and hot pressing makes first bonding agents layer 302 and second bonding agents layer
304 fusings, so that PE layer 305, the 2nd BOPA layer 303, this three layers of the first BOPA layer 301 fit closely, form after processing
Packaging bag body 3.
Packaging bag body 3 with a thickness of 160~200 μm, set on the side wall of packaging bag body 3 there are four wear-resisting portion 306, four
The line of centres in a wear-resisting portion 306 be in rectangle, wear-resisting portion 306 with a thickness of 210~230 μm.
When specific works, food is put into packaging bag body 3, and packaging bag body 3 is vacuumized, so that food is bonded
Packaging bag body 3, and food take up space cause packaging bag body 3 have sharp corner angle, at this point, the position in wear-resisting portion 306
It is corresponding with the position of corner angle, and, the thickness in wear-resisting portion 306 is thicker, therefore can effectively solve the problem that faceted portions were easily damaged
Problem, so that food be avoided to release.Simultaneously as first bonding agents layer 302 and second bonding agents layer 304 can effectively absorb ring
Ultraviolet light in border, therefore, packaging bag body 3 can effectively obstruct the food in ultraviolet light irradiation packaging bag body 3, extend food
The shelf-life of product.
Embodiment two
The present embodiment is basic as shown in figure 3, high-resistance anti-ultraviolet packaging bag, sequentially include from outside to inside outer layer bag body 2,
Packaging bag body 3 and inner bag 1, the top of inner bag 1 and the top of outer layer bag body 2 are integrated by adhesive fitting,
The lateral wall of outer layer bag body 2 is painted with resin coated layer.The packaging bag in packaging bag body 3 and embodiment one in the present embodiment
Ontology 3 the difference is that: wear-resisting portion 306 is not provided on the side wall of the packaging bag body 3 in the present embodiment.
Be respectively fixedly connected with two columns 4 being vertically arranged on the opposite inner sidewall of outer layer bag body 2, outer layer bag body 2 with
Sealed batten 5, sealed groove 6 and two connectors 7 are equipped between packaging bag body 3, in the present embodiment, connector 7 is selected carefully
Rope.One connector 7 connects the top of sealed batten 5 and outer layer bag body 2, another connector 7 connects sealed groove 6 and outer layer
The top of bag body 2.Sealed batten 5 can seal cooperation with sealed groove 6 and be oppositely arranged, and sealed batten 5 is sliding by dovetail groove
In the dynamic column 4 for being connected to left side, sealed groove 6 is slidably connected in the column 4 on right side by dovetail groove.Sealed batten 5 is solid
Surely it is connected with elastic link 8, the right end of elastic link 8 is fixedly connected with sealed groove 6.The top of packaging bag body 3 is fixed to be connected
It connects on sealed batten 5 and sealed groove 6, the bottom of packaging bag body 3 is fixedly connected with the bottom of outer layer bag body 2.
When specific works, packaging bag body 3 can effectively obstruct ultraviolet light and enter in inner bag 1, to avoid internal layer
Going bad in bag body 1 because food is by ultraviolet irradiation, extends the shelf-life of food.
When opening packaging, outer layer bag body 2 and the bonding part at 1 top of inner bag are cut off using scissors, expose internal layer
Bag body 1 takes out the food in inner bag 1.When cutting off the bonding part at 1 top of outer layer bag body 2 and inner bag, connector
7 are also cut by scissors, at this point, sealed batten 5 and sealed groove 6 can be slided arbitrarily.
After taking out Partial Food, it is slidingly sealed raised line 5 and sealed groove 6, so that sealed batten 5 and the equal position of sealed groove 6
In the top of food in inner bag 1, and sealed batten 5 is aligned with sealed groove 6, active force is applied to sealed batten 5,
So that sealed batten 5 is caught in sealed groove 6, the timely sealing to inner bag 1 is realized, avoid extraneous air and inner layer bag
Food contact in body 1, to extend the shelf-life of food in inner bag 1.Simultaneously as the top of packaging bag body 3 is
It is fixedly connected on sealed batten 5 and sealed groove 6, therefore, packaging bag body 3 can follow sealed batten 5 and seal recessed
Slot 6 is mobile, so that effectively ultraviolet isolating protection can be carried out to the food in inner bag 1 always, extends guaranteeing the quality for food
Phase.
After taking out food every time, raised line 5 and sealed groove 6 can be slidingly sealed to seal inner bag 1 in time.Wait eat
After product take, inner bag 1 is taken out, the top of outer layer bag body 2 is cut off by scissors, and packaging bag body 3 is close due to that can follow
It seals raised line 5 and sealed groove 6 is mobile and intact, therefore, outer layer bag body 2 and packaging bag body 3 can reuse: by it
He is fitted into food bag food, then food bag is put into packaging bag body 3, using sealed batten 5 and sealed groove 6 to food
Bag is sealed.The waste of packaging bag is reduced with this, to reduce the harm to environment, while making tribute to save social resources
It offers.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (7)
1. high-resistance anti-ultraviolet packaging bag, including packaging bag body, it is characterised in that: the packaging bag body is suitable from outside to inside
It is secondary including fit closely the first BOPA layers, first bonding agents layer, the 2nd BOPA layers, second bonding agents layer and PE layers, described
One adhesive layer and second bonding agents layer are ultraviolet resistant layer.
2. high-resistance anti-ultraviolet packaging bag according to claim 1, it is characterised in that: the thickness of the packaging bag body
It is 160~200 μm, is set on the side wall of packaging bag body there are four wear-resisting portion, the line of centres in four wear-resisting portions is described in rectangle
Wear-resisting portion with a thickness of 210~230 μm.
3. high-resistance anti-ultraviolet packaging bag according to claim 1, it is characterised in that: the inside of the packaging bag body
Equipped with inner bag, the outside of packaging bag body is equipped with outer layer bag body, the top of inner bag and the top fitting of outer layer bag body
It is integrated；More columns being vertically arranged, outer layer bag body and packaging are fixedly connected on the opposite inner sidewall of the outer layer bag body
Sealed batten, sealed groove and multiple connectors, a part of connector connection sealed batten and outer bag are equipped between bag ontology
The top of body, another part connector connect the top of sealed groove and outer layer bag body；The sealed batten and sealed groove energy
Enough sealings cooperate and are oppositely arranged, and sealed batten is slidably connected in the column of side by dovetail groove, and sealed groove passes through swallow
Stern notch is slidably connected in the column of the other side；Sealed batten and sealed groove are fixedly connected at the top of the packaging bag body
On, the bottom of packaging bag body is fixedly connected with the bottom of outer layer bag body.
4. high-resistance anti-ultraviolet packaging bag according to claim 3, it is characterised in that: the sealed batten is fixedly connected
Flexible connecting rod, elastic link are fixedly connected far from one end of sealed batten with sealed groove.
5. high-resistance anti-ultraviolet packaging bag according to claim 3, it is characterised in that: the connector is cord.
6. high-resistance anti-ultraviolet packaging bag according to claim 5, it is characterised in that: the top of the inner bag and
The top of outer layer bag body is bonded by adhesive.
7. high-resistance anti-ultraviolet packaging bag according to claim 6, it is characterised in that: the lateral wall of the outer layer bag body
It is painted with resin coated layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014779.7A CN109051264B (en) | 2018-08-31 | 2018-08-31 | High-barrier ultraviolet-resistant packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014779.7A CN109051264B (en) | 2018-08-31 | 2018-08-31 | High-barrier ultraviolet-resistant packaging bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109051264A true CN109051264A (en) | 2018-12-21 |
| CN109051264B CN109051264B (en) | 2024-04-26 |
Family
ID=64758159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811014779.7A Active CN109051264B (en) | 2018-08-31 | 2018-08-31 | High-barrier ultraviolet-resistant packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109051264B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1374937A (en) * | 1973-04-25 | 1974-11-20 | Toyo Seikan Kaisha Ltd | Packing bags for foodstuffs and packages of foodstuffs |
| CN2700270Y (en) * | 2004-04-21 | 2005-05-18 | 佳美工业有限公司 | Externally hung air filled packaging bag |
| CN201670431U (en) * | 2010-05-06 | 2010-12-15 | 陈轶 | Packaging bag |
| CN201801024U (en) * | 2010-09-09 | 2011-04-20 | 奉化市兴达海产食品有限公司 | Double-layered packaging bag |
| CN202784136U (en) * | 2012-08-21 | 2013-03-13 | 饶平挚信彩印有限公司 | Uvioresistant high-barrier transparent packaging bag |
| CN205602346U (en) * | 2016-04-12 | 2016-09-28 | 杭州科能新材料科技有限公司 | High resistant separates wrapping bag |
| CN108116754A (en) * | 2016-11-28 | 2018-06-05 | 天津市绿思原科技有限公司 | A kind of food pack |
| CN208813783U (en) * | 2018-08-31 | 2019-05-03 | 重庆市乐缘复合包装制品有限责任公司 | High-resistance anti-ultraviolet packaging bag |
-
2018
- 2018-08-31 CN CN201811014779.7A patent/CN109051264B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1374937A (en) * | 1973-04-25 | 1974-11-20 | Toyo Seikan Kaisha Ltd | Packing bags for foodstuffs and packages of foodstuffs |
| CN2700270Y (en) * | 2004-04-21 | 2005-05-18 | 佳美工业有限公司 | Externally hung air filled packaging bag |
| CN201670431U (en) * | 2010-05-06 | 2010-12-15 | 陈轶 | Packaging bag |
| CN201801024U (en) * | 2010-09-09 | 2011-04-20 | 奉化市兴达海产食品有限公司 | Double-layered packaging bag |
| CN202784136U (en) * | 2012-08-21 | 2013-03-13 | 饶平挚信彩印有限公司 | Uvioresistant high-barrier transparent packaging bag |
| CN205602346U (en) * | 2016-04-12 | 2016-09-28 | 杭州科能新材料科技有限公司 | High resistant separates wrapping bag |
| CN108116754A (en) * | 2016-11-28 | 2018-06-05 | 天津市绿思原科技有限公司 | A kind of food pack |
| CN208813783U (en) * | 2018-08-31 | 2019-05-03 | 重庆市乐缘复合包装制品有限责任公司 | High-resistance anti-ultraviolet packaging bag |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109051264B (en) | 2024-04-26 |
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