CN112978089B - Cell type buffering packaging material - Google Patents
Cell type buffering packaging material Download PDFInfo
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- CN112978089B CN112978089B CN202110439412.5A CN202110439412A CN112978089B CN 112978089 B CN112978089 B CN 112978089B CN 202110439412 A CN202110439412 A CN 202110439412A CN 112978089 B CN112978089 B CN 112978089B
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- 239000005022 packaging material Substances 0.000 title claims abstract description 36
- 230000003139 buffering effect Effects 0.000 title description 3
- 238000007789 sealing Methods 0.000 claims abstract description 59
- 230000001413 cellular effect Effects 0.000 claims abstract description 58
- 239000000872 buffer Substances 0.000 claims abstract description 26
- 238000004806 packaging method and process Methods 0.000 claims abstract description 25
- 238000012856 packing Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
Images
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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
- B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
- B65D81/051—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric
- B65D81/052—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric filled with fluid, e.g. inflatable elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buffer Packaging (AREA)
Abstract
A cellular cushioning packaging material comprises a first packaging layer, a second packaging layer, a first one-way inflation layer and a second one-way inflation layer. The first one-way inflating layer and the second one-way inflating layer are superposed to form one-way inflating non-return part capable of closing air automatically, and the one-way inflating non-return part is set between the first packing layer and the second packing layer. The outer side of the one-way inflation check member forms an inflation channel. A plurality of continuous curved heat seal lines heat seal said first wrapper, said second wrapper, and said one-way inflation check in a direction away from said inflation channel and beyond said one-way inflation check. And a plurality of heat sealing points are distributed between the two adjacent curved heat sealing lines. Thereby forming a plurality of cellular buffers and a plurality of differently directed air flow channels through the periphery of each of the cellular buffers.
Description
Technical Field
The present invention relates to a cellular cushioning packaging material, and more particularly, to a cushioning packaging material having a plurality of cellular cushioning regions that can be easily bent into various shapes to wrap and protect an article to be transported.
Background
To ensure that the product package is not damaged by being boxed or transported during the back-end delivery process. At present, when packing articles, most of the articles are wrapped by bubble paper or Styrofoam, but the articles still have the problems of poor buffering effect, environmental pollution and the like. To solve the problem of the bubble paper and the polystyrene, a gas packing bag has been developed, which is formed into a gas column in a sealed state by heat sealing and is provided with an inflation inlet for inflation. When the goods need to be packaged, after the air is filled into the air column through the air filling port, the air packaging bag can be used as a buffer material in the inner package. The uninflated gas packaging bag occupies a small volume at ordinary times and is easy to store.
In order to adapt the gas packing bag to the shape of different products, the prior art discloses a plurality of patents of the present inventor, for example, taiwan patent publication No. I549877 "buffer box structure provides a square buffer box structure, and publication No. I681909" folding box with buffer structure, the buffer structure is disposed in the accommodating space of the box body, so that the box body and the buffer structure can form a corresponding three-dimensional or flat shape. However, these cushioning structures are limited to a particular configuration and cannot be bent into other configurations. In addition, the inventor of the present application has also proposed taiwan patent publication No. I657020 "air-filled wine bag", and publication No. I615331 "air protective sleeve for bottle body", and thus has disclosed various patents directed to the patent shapes that need to be designed with specific shapes, such as patents specifically adapted to the specific shape of the bottle body.
The prior art is limited to the strip-shaped air column of the air packing bag and cannot be bent into various shapes at will, so that different air packing bags need to be designed according to the shape of each product, and one type of packing cannot be suitable for the products with different shapes.
Therefore, how to improve the effect of the cushioning packaging material by improving the structural design to overcome the above-mentioned drawbacks has become a subject to be solved in the technical field.
Disclosure of Invention
The present invention is directed to a cell-type cushioning packaging material, which is formed with a plurality of small cell-type cushioning regions, can be bent into various shapes, and can be applied to products and goods with different shapes.
In order to solve the above technical problems, one of the technical solutions of the present invention is to provide a cellular cushioning packaging material, which includes a first packaging layer, a second packaging layer, a first unidirectional inflating layer, and a second unidirectional inflating layer. The first packaging layer and the second packaging layer are made of heat-fusible materials; the first one-way inflatable layer and the second one-way inflatable layer are made of heat-fusible materials; the first one-way inflatable layer and the second one-way inflatable layer are overlapped to form a one-way inflatable check piece, and the one-way inflatable check piece is arranged between the first packaging layer and the second packaging layer; and a transverse heat sealing line is used for heat sealing the first packaging layer and the second packaging layer, and an inflation channel is formed between the one-way inflation check piece and the transverse heat sealing line. A plurality of continuous curved heat seal lines heat seal said first wrapper, said second wrapper, and said one-way inflation check in a direction away from said inflation channel and beyond said one-way inflation check. And a plurality of heat sealing points are distributed between the two adjacent curved heat sealing lines. Thereby forming a plurality of cellular buffer areas and a plurality of airflow channels in different directions to pass through the periphery of each cellular buffer area, wherein the tension of the cellular buffer areas props against the one-way inflation check piece to be tightly attached to the first one-way inflation layer or the second one-way inflation layer.
Preferably, at least two bending points of each of said curved heat-seal lines are located in the region of said one-way inflation check.
Preferably, the one-way inflation check member is formed with more than one cell buffer along an extending direction of the curved heat-seal line.
Preferably, the height of each air flow channel after being inflated is lower than that of the cellular buffer zone.
Preferably, the extending direction of the curved heat-seal line is perpendicular to the inflation channel.
Preferably, each of the cell buffer areas is surrounded by three bending points of one of the curved heat sealing lines and a hexagon formed by three heat sealing points.
Preferably, three of the bending points of the curved heat-seal line form a V-shaped heat-seal unit segment, wherein each of the curved heat-seal lines includes a plurality of the heat-seal unit segments.
Preferably, a plurality of heat-seal unit segments of two adjacent curved heat-seal lines are aligned with each other, and three heat-seal points are provided between every two adjacent and opposite heat-seal unit segments and are respectively adjacent to the peaks of the heat-seal unit segments.
Preferably, the plurality of heat-sealing points distributed between two adjacent curved heat-sealing lines are distributed along two straight lines and are staggered with each other to form a curved dotted line.
Preferably, each of the heat-seal points has a shape of a round point, a diamond, or a polygon.
The cellular cushioning packaging material provided by the invention has the beneficial effects that the cellular cushioning packaging material can be conveniently bent into various shapes along the periphery of the cellular cushioning areas through the formed multiple cellular cushioning areas, similar to a honeycomb shape. In addition, the invention provides a one-way inflation non-return piece which is matched with the curved heat sealing line and the arrangement of a plurality of heat sealing points, can generate the non-return function after inflation, and does not need to seal an inflation inlet.
For a better understanding of the features and technical content of the present invention, reference is made to the following detailed description of the invention and to the accompanying drawings, which are provided for purposes of illustration and description only and are not intended to be limiting.
Drawings
FIG. 1 is an exploded view of the cellular cushioning packaging material of the present invention.
FIG. 2 is a schematic diagram of the cellular cushioning packaging material of the present invention without inflation.
FIG. 3 is a schematic view of the cellular cushioning packaging material of the present invention after inflation.
Fig. 4 is a cross-sectional view taken along line IV-IV of fig. 3 after inflation in accordance with the present invention.
FIG. 5 is a schematic view of the cellular cushioning packaging material of the present invention folded after being inflated.
Description of the symbols
11: the first packaging layer
12: second packaging layer
20: one-way inflation check piece
201: upper edge
202: lower edge
20E: inflation channel
21: the first one-way inflatable layer
22: the second one-way inflatable layer
20E: inflation channel
31: transverse heat sealing line
32: curved heat sealing line
320: fence part
321: heat-sealing unit segment
33: heat sealing point
34: longitudinal heat seal line
35: second transverse heat-sealing line
C: cellular buffer
P11: inflation channel
P21, P23, P25, P27: air flow channel
A1: air charging port
P29: and (4) air flow.
Detailed Description
The embodiments of the present invention disclosed herein are described below with reference to specific embodiments, and those skilled in the art will understand the advantages and effects of the present invention from the disclosure of the present specification. The invention is capable of other and different embodiments and its several details are capable of modifications and various changes in detail without departing from the spirit and scope of the present invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
It will be understood that, although the terms "first," "second," "third," etc. may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are mainly used to distinguish one element from another element, or from one signal to another signal. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.
Referring to fig. 1 to 5, the present invention provides a cellular cushioning packaging material, which comprises a first packaging layer 11, a second packaging layer 12, a first unidirectional air-filled layer 21, and a second unidirectional air-filled layer 22. The four layers of adhesive films are all made of heat-fusible materials. Wherein the first unidirectional pneumatic layer 21 and said second unidirectional pneumatic layer 22 have the same length (in the longitudinal direction in figure 2) and are shorter than the length of the first 11 and second 12 packaging layers.
The first unidirectional inflating layer 21 and the second unidirectional inflating layer 22 are overlapped to form a unidirectional inflating check-up member 20, and the unidirectional inflating check-up member 20 is arranged between the first packaging layer 11 and the second packaging layer 12. The inner side of the unidirectional pneumatic layer 21, i.e., the side facing the second unidirectional pneumatic layer 22, is provided with a layer of thermal protective ink (shown in dots in fig. 1) near the top edge of the unidirectional pneumatic layer 21. The heat-blocking ink prevents adhesion with the first unidirectional air-filled layer 21 and the second unidirectional air-filled layer 22 during the heat-sealing process to form an air-filled channel.
After the four layers of adhesive films are laminated, a heat sealing machine is used for forming a plurality of designed heat sealing points and heat sealing lines to form a specific shape, thereby achieving the required functions of the invention. Wherein the transverse heat-seal line 31 heat-seals the first and second packaging layers 11, 12, the transverse heat-seal line 31 of this embodiment being near the horizontal upper edges of the first and second packaging layers 11, 12. The second transverse heat sealing line 35 is located on the upper edges of the first unidirectional air inflation layer 21 and the second unidirectional air inflation layer 22 and passes through heat-proof ink, so that the first packaging layer 11 adheres to the first unidirectional air inflation layer 21, and the second packaging layer 12 adheres to the second unidirectional air inflation layer 22. As shown in fig. 3, an inflation passage P11 is formed between the one-way inflation check member 20 and the transverse heat seal line 31. The cellular cushioning packaging material of FIG. 2 of this embodiment is shown only partially across its width. The cellular cushioning packaging material is formed along the longitudinal direction on the left side of fig. 2, and is fitted to form a longitudinal heat seal line 34. The longitudinal heat seal line 34 is located near one vertical edge of the first and second wrapper layers 11, 12.
This embodiment further includes a plurality of continuous curved heat-seal lines 32 heat-sealing the first wrapper 11, the second wrapper 12, and the one-way inflation check member 20 in a direction away from the inflation passage P11 and beyond the upper and lower edges of the one-way inflation check member 20. Each curved heat-seal line 32 extends in a continuous wave-like bend.
It should be noted that the starting point of each curved heat-seal line 32 of the present embodiment includes a fence portion 320, and the fence portion 320 is oval or substantially rectangular and exceeds the upper edge and the lower edge of the heat-shielding ink. An air charging passage 20E is formed between every two adjacent barrier portions 320, and a plurality of inlets for unidirectional air intake are formed between two adjacent curved heat-seal lines 32 to enter the air charging passage P21. With the second transverse heat sealing line 35 and the heat-shielding ink, the air flow path P21 passes only between the first unidirectional air-filled layer 21 and the second unidirectional air-filled layer 22. The width of the air-filling passage 20E of the present embodiment is smaller than the width of the fence portion 320, and the width of the fence portion 320 is smaller than the distance between two adjacent curved heat-seal lines 32.
In addition, the present embodiment further includes a plurality of heat sealing points 33 distributed between two adjacent curved heat sealing lines 32. Wherein the shape of each heat-sealing point 33 can be a round point, a diamond shape, or a polygon. And may even be in the shape of a short line. Wherein the plurality of heat-sealing points 33 distributed between two adjacent curved heat-sealing lines 32 are distributed along two straight lines and are staggered with each other to form a curved dotted line.
In the present embodiment, three bending points of the curved heat-sealing lines 32 form V-shaped heat-sealing unit segments 321, wherein each curved heat-sealing line 32 comprises a plurality of V-shaped heat-sealing unit segments 321. However, the present invention is not limited thereto, and each of the heat-seal unit segments of the curved heat-seal line 32 may also be a semicircular shape, or a U-shape, or a trapezoidal shape, \8230 #, etc.
In this embodiment, the extending direction of the curved heat-sealing lines 32 is perpendicular to the inflation channel P11. However, the present invention is not limited thereto, and the curved heat-seal line 32 may extend in a direction away from the transverse heat-seal line 31.
Through the heat sealing structure of the specific arrangement, the cellular cushioning packaging material of the present embodiment forms a plurality of cellular cushioning areas C, and a plurality of air flow passages (P23, P25, P27) in different directions passing through the periphery of each of the cellular cushioning areas C. One feature of this embodiment is that gas from the inflation channel P11 passes through the one-way inflation check 20 and into the plurality of cellular buffers C along the space between two adjacent curved heat seal lines 32. On the other hand, the cellular buffers C located at the lower side 202 of the unidirectional inflation check 20 provide tension against the unidirectional inflation check 20 to be closely attached to the first unidirectional inflation layer 21 or the second unidirectional inflation layer 22, so that the air flow does not reversely flow back through the unidirectional inflation check 20, thereby providing a unidirectional inflation function.
In this embodiment, at least two bending points of each of the curved heat-seal lines 32 are located in the region of the unidirectional pneumatic inversion stop 20. Wherein the one-way inflation check member 20 is formed with more than one cell type buffer region C along the extending direction of the curved heat-seal line 32. Specifically, as shown in fig. 2, the unidirectional air-filled check 20 of the present embodiment has seven bending points in total, and the unidirectional air-filled check 20 is formed with eight cell type buffers C along the extending direction of two adjacent curved heat-seal lines 32.
The above-mentioned "cellular" means that the height of each of the air flow channels (P23, P25, P27) after being inflated is lower than the height of the cellular buffer region C, as shown in fig. 4 and 5. More specifically, each of the cell buffers C is surrounded by three bending points of one of the curved heat-seal lines 32 and three heat-seal points 33 to form a hexagon, similar to a honeycomb.
As shown in fig. 3 and 4, the plurality of V-shaped heat sealing unit segments 321 of two adjacent curved heat sealing lines 32 are aligned with each other, and three heat sealing points 33 are located between every two adjacent and opposite V-shaped heat sealing unit segments 321 respectively adjacent to the peaks of the V-shaped heat sealing unit segments 321.
Fig. 3 is a schematic view illustrating an inflation process of the cellular cushioning packaging material of this embodiment. The gas enters the cellular cushioning packaging material from the gas filling port A1 along the direction of the gas filling channel P11. A plurality of differently oriented gas flow passages (P23, P25, P27) pass around each of the cellular buffers.
Fig. 4 is a schematic sectional view of the cellular cushioning packaging material of this embodiment after being inflated. When the cellular cushioning packaging material of this embodiment is inflated, some of the air in the cellular cushioning packaging material flows backward, such as the air flow P29, pushing against the portion of the unidirectional inflation check member 20 near the lower edge 202 to adhere to the first unidirectional inflation layer 21, and possibly to adhere to the second unidirectional inflation layer 22. By this structure, the present embodiment does not flow backward after the inflation is completed, and does not need to seal the inlet of the inflation channel P11.
Fig. 5 is a schematic bending view of the cellular cushioning packaging material of the present embodiment. The cellular cushioning packaging material of this embodiment can be conveniently bent into various shapes along the periphery of the cellular cushioning region C.
One of the advantages of the present invention is that the cellular cushioning packaging material provided by the present invention can be conveniently bent into various shapes along the periphery of the cellular cushioning region C by forming a plurality of cellular cushioning regions similar to a honeycomb shape. In addition, the invention provides a one-way inflation non-return piece which is matched with the curved heat sealing line and the arrangement of a plurality of heat sealing points, can generate the non-return function after inflation, and does not need to seal an inflation inlet.
The disclosure is only a preferred embodiment of the invention and should not be taken as limiting the scope of the invention, so that the invention is not limited by the disclosure of the specification and drawings.
Claims (10)
1. A cellular cushioning packaging material comprising:
a first wrapping layer and a second wrapping layer made of a heat-fusible material;
a first one-way air-filled layer and a second one-way air-filled layer which are made of heat-fusible material;
the first one-way inflatable layer and the second one-way inflatable layer are overlapped to form a one-way inflatable check piece, and the one-way inflatable check piece is arranged between the first packaging layer and the second packaging layer;
at least one transverse heat sealing line for heat sealing the first packing layer and the second packing layer, and multiple unidirectional air inlet inlets formed between the unidirectional air inflation check member and the transverse heat sealing line;
a plurality of continuous curved heat seal lines heat sealing said first wrapper, said second wrapper, and said one-way inflation check in a direction away from said inflation channel and beyond said one-way inflation check; and
the heat sealing points are distributed between the two adjacent curved heat sealing lines;
a plurality of cellular buffer areas and a plurality of airflow channels in different directions are formed between the plurality of heat sealing points and the curved heat sealing line and pass through the periphery of each cellular buffer area, and the tension of the plurality of cellular buffer areas props against the one-way inflation check member to be tightly attached to the first one-way inflation layer or the second one-way inflation layer;
the cellular buffer zones are distributed in the longitudinal direction in the whole area between two adjacent curved heat-sealing lines.
2. The cellular cushioning packaging material of claim 1, wherein at least two or more bending points of each of said curved heat-seal lines are located in the area of said one-way air-filled non-return member.
3. The cellular cushioning packaging material according to claim 1, wherein the one-way air-filled non-return member is formed with more than one cellular cushioning region along an extending direction of the curved heat-seal line.
4. The cellular cushioning packaging material of claim 1, wherein the height of each of said air flow channels after being inflated is lower than the height of said cellular cushioning region.
5. The cellular cushioning packaging material according to claim 1, wherein the extension direction of the curved heat-seal line is perpendicular to the air-filling channel.
6. The cellular cushioning packaging material according to claim 1, wherein each of said cellular cushioning regions is surrounded by three bending points of one of said curved heat-seal lines and three of said heat-seal points to form a hexagon.
7. The cellular cushioning packaging material according to claim 2, wherein three of said bending points of said curved heat-sealing lines form a V-shaped heat-sealing unit segment, wherein each of said curved heat-sealing lines comprises a plurality of said heat-sealing unit segments.
8. The cellular cushioning packaging material according to claim 7, wherein a plurality of said heat-seal unit segments of two adjacent curved heat-seal lines are aligned with each other, and each two adjacent and opposite heat-seal unit segments have three said heat-seal points therebetween and are respectively adjacent to the peaks of said heat-seal unit segments.
9. The cellular cushioning packaging material according to claim 1, wherein the plurality of heat-sealing points between two adjacent curved heat-sealing lines are distributed along two straight lines and are offset from each other to form a curved dotted line.
10. The cellular cushioning packaging material of claim 1, wherein each of the heat-seal points is in the shape of a circular dot, a diamond, or a polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110439412.5A CN112978089B (en) | 2021-04-23 | 2021-04-23 | Cell type buffering packaging material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110439412.5A CN112978089B (en) | 2021-04-23 | 2021-04-23 | Cell type buffering packaging material |
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| CN112978089A CN112978089A (en) | 2021-06-18 |
| CN112978089B true CN112978089B (en) | 2023-03-31 |
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| TWI797948B (en) * | 2022-01-05 | 2023-04-01 | 亞比斯包材工場股份有限公司 | Buffer packaging structure with different contraction ratio |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2700260Y (en) * | 2004-03-31 | 2005-05-18 | 佳美工业有限公司 | Air filled packaging bag |
| CN2848745Y (en) * | 2005-01-24 | 2006-12-20 | 赖宏斌 | Gas packaging bag having pressure regulating function |
| CN204210924U (en) * | 2014-08-20 | 2015-03-18 | 林韦廷 | Gas buffer packaging bag |
| CN204110579U (en) * | 2014-09-05 | 2015-01-21 | 徐祥虎 | A kind of gas buffer packaging |
| CN204642645U (en) * | 2015-05-20 | 2015-09-16 | 厦门艾美森包装有限公司 | A kind of buffering pneumatic cushion |
| CN104859952B (en) * | 2015-05-22 | 2017-03-22 | 厦门艾美森新材料科技股份有限公司 | Novel inflating package air cushion |
| CN205045209U (en) * | 2015-08-06 | 2016-02-24 | 杭州亚辉包装科技有限公司 | Novel gas packaging membrane |
| CN108820551A (en) * | 2018-06-29 | 2018-11-16 | 陈晓峰 | A kind of shockproof air column bag of no opening point |
| CN211224702U (en) * | 2019-11-19 | 2020-08-11 | 顺启和(深圳)科技有限公司 | Packaging air bag |
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Address after: 215300 No.95, Yuanyuan Road, Zhouzhuang Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Abis Recycling Technology (Kunshan) Co.,Ltd. Address before: 215300 No.95, Yuanyuan Road, Zhouzhuang Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN AIRBAG PACKING Corp. |