CN114955208B - Breathable packaging bag - Google Patents
Breathable packaging bag Download PDFInfo
- Publication number
- CN114955208B CN114955208B CN202210598728.3A CN202210598728A CN114955208B CN 114955208 B CN114955208 B CN 114955208B CN 202210598728 A CN202210598728 A CN 202210598728A CN 114955208 B CN114955208 B CN 114955208B
- Authority
- CN
- China
- Prior art keywords
- water
- bag
- block
- embedded sheet
- wall
- 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
Links
- 238000004806 packaging method and process Methods 0.000 title claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000009423 ventilation Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 7
- 239000010410 layer Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 230000008961 swelling Effects 0.000 description 8
- 239000012528 membrane Substances 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000002356 single layer 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
-
- 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
- B65D33/01—Ventilation or drainage of bags
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
Abstract
The utility model provides a ventilative wrapping bag for solve the wrapping bag that prior art mentioned among the background art some have inner membranous bag and outer membranous bag structure behind the splendid attire material, filled with gas in the space between inner membranous bag and the outer membranous bag, this kind of structural style and the wrapping bag of splendid attire material be convenient for later stage pile up and occupy the technical problem of great space volume. Comprising the following steps: the inner bag is provided with a ventilation inner bag and an airtight outer bag arranged on the periphery of the inner bag, the outer bag is embedded with an embedded sheet in sealing connection with the outer bag, the inner wall of the embedded sheet is fixedly provided with a mounting shell, one end of the mounting shell is provided with an opening, one end of the opening is fixedly connected with the embedded sheet, the mounting shell is provided with a first ventilation hole close to the side wall of the opening, the embedded sheet is provided with a second ventilation hole, and a sealing component which can deform when meeting water expansion through the second ventilation hole and simultaneously tightly props against the inner wall and the outer wall of the embedded sheet is arranged between the mounting shell and the outer wall of the embedded sheet.
Description
Technical Field
The invention relates to the technical field of film bag processing, in particular to a breathable packaging bag.
Background
Packaging is a relatively well established process, and the prior art has produced a wide variety of packages, such that these packages are used in a variety of different applications.
The prior art has single-layer packaging bags and double-layer packaging bags, the double-layer packaging bags are generally inner-layer film bags for containing articles, and outer-layer film bags are used for further protecting the inner-layer film bags, so that external moisture and dust are isolated.
Some of the prior art have certain space between the inner layer membrane and the outer layer membrane, after the material is filled in the inner layer membrane by a user, and finally when the packaging bags filled with the material are stacked, air filled in the gap between the inner layer membrane and the outer layer membrane of the packaging bags in the stacking process cannot be discharged, so that the operator cannot stack regularly, the packaging bags filled with the material easily fall off in the stacking process, and the packaging bags filled with the material occupy more space and volume in the stacking process, thereby wasting space resources.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a breathable packaging bag which is used for solving the technical problems that after materials are contained in some packaging bags with inner film bags and outer film bags in the prior art, gas is filled in gaps between the inner film bags and the outer film bags, and the packaging bags with the structural mode are inconvenient to stack in later stages and occupy larger space volume.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a breathable packaging bag comprising: the inner bag is air-permeable, the outer bag is embedded with an embedded sheet which is in sealing connection with the outer bag, the inner wall of the embedded sheet is fixedly provided with a mounting shell, one end of the mounting shell is provided with an opening, one end of the mounting shell is fixedly connected with the embedded sheet, the mounting shell is provided with a first air hole close to the side wall of the opening, the embedded sheet is provided with a second air hole, and a sealing component which is tightly abutted to the inner wall and the outer wall of the embedded sheet simultaneously due to the expansion deformation of the second air hole when meeting water is arranged between the mounting shell and the outer wall of the embedded sheet.
Working principle:
the operator loads the material into the inner bag, and then the operator can manually discharge the air filled between the inner bag and the outer bag, or when the operator stacks a plurality of structures of the invention containing the material, the packaging bag positioned on the upper layer extrudes the packaging bag positioned on the lower layer, so that the gap between the inner bag and the outer bag can be discharged out of the outer bag through the first ventilation holes and the second ventilation holes in sequence, and the technical problems that the stacking is inconvenient and the large additional space is occupied in the background art are solved.
After the air between the inner bag and the outer bag is exhausted, the second ventilation holes conduct the outside with the inner bag, so that the outside moist air can enter the inner bag through the second ventilation holes and influence materials in the inner bag, the sealing assembly in the structure can effectively seal the second ventilation holes, and after water or moisture is met by the sealing assembly, the corresponding moisture in the air can trigger the sealing assembly to expand and deform, and then the sealing assembly can simultaneously abut against the inner wall and the outer wall of the embedded sheet, so that the second ventilation holes can be effectively sealed.
The beneficial effects of the invention are as follows:
in the using process, firstly, the air between the inner bag and the outer bag can be effectively discharged through the matching of the first ventilation holes and the second ventilation holes, so that the packaging bags containing materials can be conveniently stacked in the later period.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is an enlarged schematic diagram of the structure at a in fig. 1.
Reference numerals illustrate: the inner bag 1, the outer bag 2, the embedded piece 3, the mounting shell 4, the first ventilation holes 5, the second ventilation holes 6, the first water swelling block 7, the second water swelling block 8, the penetrating rod 9, the limiting piece 10, the first water absorption block 11, the second water absorption block 12, the water absorption strip 13, the isolating film 14 and the feeding pipe 15.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, a breathable packaging bag, comprising: the inner bag 1 of breathing freely and locate the outer bag 2 of the airtight of inner bag 1 periphery, inlay on the outer bag 2 and establish a ventilative wrapping bag, include: the breathable inner bag 1 and the outer bag 2 which is arranged on the periphery of the inner bag 1 and is airtight, the outer bag 2 is of a PE film structure, an embedded sheet 3 which is in sealing connection with the outer bag 2 is embedded on the outer bag 2, the inner wall of the embedded sheet 3 is fixedly provided with a mounting shell 4, one end of the mounting shell 4 is opened, one end of the mounting shell is fixedly connected with the embedded sheet 3, a first ventilation hole 5 is formed in the side wall, close to the opening, of the mounting shell 4, a second ventilation hole 6 is formed in the embedded sheet 3, and a sealing assembly which is tightly sealed and simultaneously propped against the inner wall and the outer wall of the embedded sheet 3 through water expansion deformation of the second ventilation hole 6 is arranged between the inside of the mounting shell 4 and the outer wall of the embedded sheet 3.
As shown in fig. 2, the sealing assembly comprises a first water-swelling block 7 adapted to the cavity of the mounting shell 4 and capable of sliding along the cavity, a second water-swelling block 8 arranged outside the embedded sheet 3, and a penetrating rod 9, wherein the penetrating rod 9 is fixedly connected with the second water-swelling block 8, the penetrating rod 9 sequentially and slidably penetrates the embedded sheet 3 and the first water-swelling block 7, and the end part of the penetrating rod 9 extending out of the first water-swelling block 7 is fixedly provided with a limiting sheet 10.
The second water-swelling block 8 can be directly contacted with water vapor of the external air, so that the purpose of water-swelling deformation is achieved, the first water-swelling block 7 can be contacted with the water vapor of the external air through the second ventilation holes 6, so that the first water-swelling block 7 and the second water-swelling block 8 begin to simultaneously swell and deform at the moment, the first water-swelling block 7 and the second water-swelling block 8 are close to each other in the swelling deformation process, the inner wall and the outer wall of the embedded sheet 3 are abutted against the embedded sheet 3 to be close, the second ventilation holes 6 can be effectively plugged, the first water-swelling block 7 can push the penetrating rod 9 to move towards the direction away from the second water-swelling block 8 in the swelling process, and then the penetrating rod 9 pulls the second water-swelling block 8 to further move towards the first water-swelling block 7, so that the first water-swelling block 7 and the second water-swelling block 8 can further strengthen the embedded sheet 3 to be abutted against the embedded sheet 3, and the second ventilation holes 6 can be further plugged.
As shown in fig. 2, a first water-absorbent block 11 with elasticity is disposed in the first water-swellable block 7, a second water-absorbent block 12 with elasticity is disposed outside the second water-swellable block 8, and a water-absorbent strip 13 with elasticity is connected between the first water-absorbent block 11 and the second water-absorbent block 12, and the water-absorbent strip 13 passes through the second ventilation hole 6.
The second water absorbing block 12 can further amplify the water absorbing effect, external water vapor absorbed by the second water absorbing block 12 is transmitted to the first water absorbing block 11 through the water absorbing strips 13, so that the first water absorbing block 11 further transmits the water vapor to the first water swelling block 7, and the second water absorbing block 12 further transmits the absorbed external water vapor to the second water swelling block 8, so that the first water swelling block 7 and the second water swelling block 8 can be fully contacted with water, and the sealing effect on the second ventilation holes 6 can be further improved. The first water absorption block 11, the second water absorption block 12 and the water absorption strip 13 are of sponge structures, the water absorption efficiency of the sponge structures is faster, and the moisturizing effect is better, so that the first water-swelling block 7 and the second water-swelling block 8 can be fully contacted with water vapor respectively.
As shown in fig. 2, a layer of isolating film 14 is detachably laid on the outer periphery of the second water-absorbing block 12, and the structure of the invention does not need to expand and deform when water is in contact with both the first water-swelling block 7 and the second water-swelling block 8 before the material is contained, so that the isolating film 14 can further prevent the second water-absorbing block 12 from absorbing water, the use is more flexible and convenient, and when the first water-swelling block 7 and the second water-swelling block 8 are required to expand and deform in contact with water later, an operator can detach the isolating film 14 from the second water-absorbing block 12. The edge of the isolating membrane 14 is adhered to the second water absorption block 12, and an operator can directly tear the isolating membrane 14 from the second water absorption block 12.
As shown in fig. 1 and 2, the mounting shell 4 has a cylindrical structure, and the circumferential edge of one end of the mounting shell 4 far from the opening of the mounting shell has an arc transition. This construction is not only advantageous for the first water-swellable block 7 to slide within the mounting shell 4 after it has been subjected to water, but also for the inner bag 1.
As shown in fig. 1, the feeding pipe 15 is further included, the feeding pipe 15 passes through the outer bag 2 and is connected with the inner bag 1 in a conducting manner, an operator can send materials into the inner bag 1 through the feeding pipe 15, and the efficiency of sending materials into the inner bag 1 by the operator can be further improved through adding the feeding pipe 15. The feeding pipe 15 is of a PE plastic film structure, after the inner bag 1 is filled with materials, an operator can fold the feeding pipe 15, so that the inner bag 1, the outer bag 2 and the feeding pipe 15 are bound and sealed.
Working principle:
the operator loads the material into the inner bag 1 through the feeding pipe 15, then the operator binds the sealing lines to the inner bag 1, the outer bag 2 and the feeding pipe 15, and then the operator can manually discharge the air filled between the inner bag 1 and the outer bag 2, or when the operator stacks a plurality of structures of the invention containing the material, the upper packaging bag extrudes the lower packaging bag, so that the gap between the inner bag 1 and the outer bag 2 can be discharged out of the outer bag 2 through the first ventilation holes 5 and the second ventilation holes 6 in sequence, thereby solving the technical problems that the stacking is inconvenient and the large extra space is occupied in the background art.
After the air between the inner bag 1 and the outer bag 2 is exhausted, the second ventilation holes 6 conduct the outside with the inner bag 1, so that the outside moist air can enter the inner bag 1 through the second ventilation holes 6 and influence the materials in the inner bag 1, the sealing assembly in the structure can effectively seal the second ventilation holes 6, and after encountering water or moisture, the corresponding moisture in the air can trigger the sealing assembly to expand and deform, and then the sealing assembly can simultaneously abut against the inner wall and the outer wall of the embedded sheet 3, so that the second ventilation holes 6 can be effectively sealed.
Specifically, after the inner bag 1 is filled with the material, the operator tears off the isolation film 14, then the air between the inner bag 1 and the outer bag 2 is discharged through the first ventilation holes 5 and the second ventilation holes 6, then in the stacking and placing process, the second water-absorbing block 12 absorbs external water vapor and transmits the water vapor to the first water-absorbing block 11 through the water-absorbing strip 13, at this time, the first water-expanding block 7 and the second water-expanding block 8 are in contact with the external water vapor, the first water-expanding block 7 is in further contact with the water vapor through the first water-absorbing block 11, the second water-expanding block 8 is further in contact with the water vapor through the second water-absorbing block 12, and then the first water-expanding block 7 and the second water-expanding block 8 are fully deformed in a water expansion manner, and simultaneously deform and clamp and squeeze the embedded sheet 3, so that the second ventilation holes 6 are blocked, and the first water-expanding block 7 is further in contact with the water-expanding block 8 through the second traction rod 9, and the water-expanding sheet 3 is further sealed by the second water-expanding block 8.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (9)
1. A breathable packaging bag, comprising: the inner bag (1) is ventilated, the outer bag (2) is arranged on the periphery of the inner bag (1) and is airtight, an embedded sheet (3) which is connected with the outer bag (2) in a sealing way is embedded on the outer bag (2), an installation shell (4) is fixed on the inner wall of the embedded sheet (3), one end of the installation shell (4) is opened, one end of the opening is fixedly connected with the embedded sheet (3), a first ventilation hole (5) is formed in the side wall, close to the opening, of the installation shell (4), a second ventilation hole (6) is formed in the embedded sheet (3), and a sealing component which is deformed by water expansion and is simultaneously tightly abutted to the inner wall and the outer wall of the embedded sheet (3) through the second ventilation hole (6) is arranged between the installation shell (4) and the outer wall of the embedded sheet (3);
the sealing assembly comprises a first water-swelling block (7) which is matched with the cavity of the mounting shell (4) and can slide along the cavity of the mounting shell, a second water-swelling block (8) which is arranged outside the embedded sheet (3) and a penetrating rod (9), wherein the penetrating rod (9) is fixedly connected with the second water-swelling block (8), the penetrating rod (9) sequentially and slidably penetrates the embedded sheet (3) and the first water-swelling block (7), and the end part of the penetrating rod (9) extending out of the first water-swelling block (7) is fixedly provided with a limiting sheet (10).
2. The breathable packaging bag of claim 1, wherein: the first water-swelling block (7) is internally provided with a first water-absorbing block (11) with elasticity, the outer side of the second water-swelling block (8) is provided with a layer of second water-absorbing block (12) with elasticity, a water-absorbing strip (13) with elasticity is connected between the first water-absorbing block (11) and the second water-absorbing block (12), and the water-absorbing strip (13) penetrates through the second ventilation hole (6).
3. A breathable packaging bag according to claim 2, wherein: the first water absorption block (11), the second water absorption block (12) and the water absorption strip (13) are all of sponge structures.
4. A breathable packaging bag according to claim 2, wherein: and a layer of isolating film (14) is detachably laid on the periphery of the second water absorption block (12).
5. The breathable packaging bag of claim 4, wherein: the edge of the isolating film (14) is adhered to the second water absorbing block (12).
6. The breathable packaging bag of claim 1, wherein: the installation shell (4) is of a cylindrical structure, and the circumferential edge of one end part of the installation shell (4) far away from the opening of the installation shell is in arc transition.
7. The breathable packaging bag of claim 1, wherein: the outer bag (2) is of a PE film structure.
8. The breathable packaging bag of claim 1, wherein: the automatic feeding device also comprises a feeding pipe (15), wherein the feeding pipe (15) penetrates through the outer bag (2) and is connected with the inner bag (1) in a conducting way.
9. The breathable packaging bag of claim 8, wherein: the feeding pipe (15) is of a PE material foldable plastic film structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598728.3A CN114955208B (en) | 2022-05-30 | 2022-05-30 | Breathable packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598728.3A CN114955208B (en) | 2022-05-30 | 2022-05-30 | Breathable packaging bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114955208A CN114955208A (en) | 2022-08-30 |
| CN114955208B true CN114955208B (en) | 2023-08-29 |
Family
ID=82956795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210598728.3A Active CN114955208B (en) | 2022-05-30 | 2022-05-30 | Breathable packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114955208B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5882340U (en) * | 1981-11-30 | 1983-06-03 | 凸版印刷株式会社 | packaging bag |
| US5158370A (en) * | 1986-02-12 | 1992-10-27 | Monsanto Company | Bag valves |
| JPH0858807A (en) * | 1994-08-23 | 1996-03-05 | Nippon Silica Ind Co Ltd | Bag and method for packing hygroscopic powder |
| CN1511765A (en) * | 2002-12-27 | 2004-07-14 | ��ʽ�����ԭ�ƴ� | Degassing valve and degassing bag and method for producing degassing bag |
| CN2631975Y (en) * | 2003-07-25 | 2004-08-11 | 常国华 | Polyethyene valve port bags |
| CN101166670A (en) * | 2004-06-29 | 2008-04-23 | 格拉德产品公司 | Flexible storage bag |
| CN102464130A (en) * | 2010-10-28 | 2012-05-23 | 大洋化学株式会社 | Exhaust valve for storage bag |
| JP2016097993A (en) * | 2014-11-19 | 2016-05-30 | 株式会社武田産業 | Packing bag |
| DE102016010858A1 (en) * | 2016-09-07 | 2018-03-08 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Perforated bag and perforation process |
| JP3218770U (en) * | 2018-08-27 | 2018-11-08 | 川本国際包装有限公司 | Freshness maintaining exhaust valve structure for packaging bags |
| CN212333502U (en) * | 2020-05-07 | 2021-01-12 | 天津富琳轩包装制品有限公司 | Ventilative polymer dampproofing packing box |
| CN213621190U (en) * | 2020-09-27 | 2021-07-06 | 温州德泰塑业有限公司 | Valve port bag with adjustable air permeability |
| CN113173317A (en) * | 2021-01-29 | 2021-07-27 | 陈小海 | Waterproof reinforcing treatment process for carton corners |
| CN113460483A (en) * | 2021-05-26 | 2021-10-01 | 杨俊丽 | Magnetic gas type packing box with low caking rate |
-
2022
- 2022-05-30 CN CN202210598728.3A patent/CN114955208B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5882340U (en) * | 1981-11-30 | 1983-06-03 | 凸版印刷株式会社 | packaging bag |
| US5158370A (en) * | 1986-02-12 | 1992-10-27 | Monsanto Company | Bag valves |
| JPH0858807A (en) * | 1994-08-23 | 1996-03-05 | Nippon Silica Ind Co Ltd | Bag and method for packing hygroscopic powder |
| CN1511765A (en) * | 2002-12-27 | 2004-07-14 | ��ʽ�����ԭ�ƴ� | Degassing valve and degassing bag and method for producing degassing bag |
| CN2631975Y (en) * | 2003-07-25 | 2004-08-11 | 常国华 | Polyethyene valve port bags |
| CN101166670A (en) * | 2004-06-29 | 2008-04-23 | 格拉德产品公司 | Flexible storage bag |
| CN102464130A (en) * | 2010-10-28 | 2012-05-23 | 大洋化学株式会社 | Exhaust valve for storage bag |
| JP2016097993A (en) * | 2014-11-19 | 2016-05-30 | 株式会社武田産業 | Packing bag |
| DE102016010858A1 (en) * | 2016-09-07 | 2018-03-08 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Perforated bag and perforation process |
| JP3218770U (en) * | 2018-08-27 | 2018-11-08 | 川本国際包装有限公司 | Freshness maintaining exhaust valve structure for packaging bags |
| CN212333502U (en) * | 2020-05-07 | 2021-01-12 | 天津富琳轩包装制品有限公司 | Ventilative polymer dampproofing packing box |
| CN213621190U (en) * | 2020-09-27 | 2021-07-06 | 温州德泰塑业有限公司 | Valve port bag with adjustable air permeability |
| CN113173317A (en) * | 2021-01-29 | 2021-07-27 | 陈小海 | Waterproof reinforcing treatment process for carton corners |
| CN113460483A (en) * | 2021-05-26 | 2021-10-01 | 杨俊丽 | Magnetic gas type packing box with low caking rate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114955208A (en) | 2022-08-30 |
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Effective date of registration: 20231109 Address after: 313013 Dongshan Village, Heping Town, Changxing County, Huzhou City, Zhejiang Province Patentee after: CHANGXING JIANGMEI PACKING Co.,Ltd. Address before: Sankuang Road, Chengnan Industrial Park, Heping Town, Changxing County, Huzhou City, Zhejiang Province 313000 Patentee before: Zhejiang Jiangmei Holdings Co.,Ltd. |