CN113879699A - Inflatable bag with protective base and production process thereof - Google Patents
Inflatable bag with protective base and production process thereof Download PDFInfo
- Publication number
- CN113879699A CN113879699A CN202111212429.3A CN202111212429A CN113879699A CN 113879699 A CN113879699 A CN 113879699A CN 202111212429 A CN202111212429 A CN 202111212429A CN 113879699 A CN113879699 A CN 113879699A
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- CN
- China
- Prior art keywords
- bag body
- basement membrane
- airbag
- protective base
- protective
- 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.)
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Classifications
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- 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
- B65D81/03—Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
- B31D5/0073—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including pillow forming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/02—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles including pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buffer Packaging (AREA)
Abstract
The invention relates to the field of inflatable bags, in particular to an inflatable bag with a protective base and a production process thereof. This application has the effect that improves the protection effect to article corner part.
Description
Technical Field
The invention relates to the field of inflatable bags, in particular to an inflatable bag with a protective base and a production process thereof.
Background
With the development of traffic and the prosperous logistics products, various objects can be used as transportation objects. For the transported goods, there are many fragile and fragile goods, and at this time, the goods need to be protected by the inflatable bag.
In the related art, the air bag is made of a film, and air is filled in the film to form a buffer air cushion to prevent articles from being impacted and protect the articles.
In view of the above-mentioned related arts, the inventor believes that, for a cushion made of a film material, air cannot be retained at the corner bending part of the cushion due to being folded in half, and therefore an effective protective layer cannot be formed at the corner to protect the corner part of an article.
Disclosure of Invention
In order to improve the protection effect on the corner part of an article, the application provides an inflatable bag with a protection base and a production process thereof.
The application provides an air bag with a protection base and a production process thereof, which adopt the following technical scheme:
first aspect, an air bag with protection base, includes the air bag body, the inside of air bag body is provided with the protection basement membrane, the side of protection basement membrane is provided with connecting portion, connecting portion with the protection basement membrane is the integral type setting, the card hole has been seted up to the department of bending of air bag body, connecting portion with the cooperation of card hole joint.
Through adopting above-mentioned technical scheme, in the use, the protection basement membrane can protect the bottom of article to the bottom surface of thickening gas bag separates the corner of article and the part of bending of gas bag, is favorable to improving the protection effect to article corner part.
Optionally, the connecting portion includes a first connecting sub-portion and a second connecting sub-portion, the width of the first connecting sub-portion is the same as the width of the second connecting sub-portion, one end of the first connecting sub-portion is fixedly connected to the side of the protective base film, the other end of the first connecting sub-portion is fixedly connected to the second connecting sub-portion, the width of the joint of the first connecting sub-portion and the second connecting sub-portion is smaller than the width of the first connecting sub-portion, the joint of the first connecting sub-portion and the second connecting sub-portion is provided with a clamping sub-portion, and the clamping hole is clamped to the clamping sub-portion.
Through adopting above-mentioned technical scheme, at the in-process that uses, through the cooperation of first connection sub-portion and joint sub-portion, can support the protection basement membrane to can realize carrying out the effect of separating article corner and the part of bending bottom the gas bag, and the setting of second connection sub-portion can play the effect of buffering to the gas bag.
Optionally, the connecting portion are provided with a plurality ofly, and a plurality of connecting portions are followed the side circumference of protection basement membrane is equidistance interval setting.
Through adopting above-mentioned technical scheme, connecting portion set up to a plurality ofly, can carry out homodisperse with the cushion effect that article received to be favorable to improving the shockproof effect of buffering to article, can also support the air bag simultaneously, from as the supporting legs, improve the stability that the air bag placed.
Optionally, the protection basement membrane orientation one side of gas bag body bottom is provided with the supporting part, the one end of supporting part with protection basement membrane fixed connection, just the supporting part with the protection basement membrane is inside to be linked together.
Through adopting above-mentioned technical scheme, the setting of supporting part can support the protection basement membrane, further improves the effect stability that the protection basement membrane is used for separating article and the department of bending bottom the gas bag.
Optionally, the supporting portion is provided with a plurality ofly, and is a plurality of the supporting portion evenly distributed is in the protection basement membrane is towards one side of air bag body.
Through adopting above-mentioned technical scheme, the setting of a plurality of supporting parts can pass through the bottom that the even transmission of supporting part was arrived to the gas bag with the weight of article through the protection basement membrane, improves the supporting effect.
Optionally, a plurality of sliding holes are formed in the bottom of the inflatable bag body, and the sliding holes are in inserting fit with the supporting parts.
Through adopting above-mentioned technical scheme, through the grafting cooperation of slide opening and supporting part, can adjust the distance between protection basement membrane and the gas bag base, conveniently deposit not unidimensional article, simultaneously through the frictional action of slide opening and supporting part, weaken the vibrations power that article received.
Optionally, one end of the supporting portion, which is far away from the protective bottom film, is fixedly connected with a limiting portion, the limiting portion is communicated with the supporting portion, and the width of the limiting portion is greater than that of the supporting portion.
Through adopting above-mentioned technical scheme, the setting of spacing portion can break away from the slide opening to the supporting part and restrict to be favorable to improving the stability of grafting cooperation between supporting part and the slide opening.
Optionally, the protection basement membrane is towards the fixed buffering ring that is provided with in the open side of air bag body, the buffering ring with the lateral wall looks butt of air bag body.
Through adopting above-mentioned technical scheme, the setting of buffering ring can fill the clearance between protection basement membrane and the gas pocket to cushion the protection to the corner of article bottom, further improved the buffering guard action to article.
Optionally, the buffer ring is arranged in a hollow manner, and the buffer ring is communicated with the inside of the protective bottom film.
Through adopting above-mentioned technical scheme, the buffering ring is cavity setting, can increase the softness degree of buffering ring self, and then is favorable to improving the buffer capacity of buffering ring self.
In a second aspect, a process for producing an airbag having a protective base, including an airbag having a protective base as described above, comprises the steps of:
s1, manufacturing the inflatable bag body by using the raw materials through the working procedures of hot pressing, edge sealing and cutting;
s2, preparing the protective base film by using the raw materials through hot pressing, edge sealing and cutting;
s3, placing the protective bottom film into the inflatable bag body, and clamping and matching the connecting part with the clamping hole;
and S4, inserting and matching the inserting part with the sliding hole to complete the splicing of the inflatable bag body and the protective basement membrane.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the protective bottom film can protect the bottom of an article, thicken the bottom surface of the inflatable bag and separate the corner of the article from the bent part of the inflatable bag, thereby being beneficial to improving the protection effect on the corner part of the article;
2. the connecting parts are arranged in a plurality of numbers, so that the buffering force received by the articles can be uniformly dispersed, the buffering and shockproof effects on the articles can be improved, meanwhile, the inflatable bag can be supported, and the stability of the inflatable bag in placement can be improved when the inflatable bag is used as a supporting leg;
3. the setting of buffering ring can fill the clearance between protection basement membrane and the gas pocket to cushion the protection to the corner of article bottom, further improved the buffering guard action to article.
Drawings
FIG. 1 is a schematic view showing the overall structure of an airbag having a protective base according to an embodiment of the present application.
FIG. 2 is a schematic view of a portion of the internal structure of an airbag having a protective base according to an embodiment of the present application.
Description of reference numerals:
1. an airbag body; 2. protecting the basement membrane; 21. a connecting portion; 211. a first connector portion; 212. a second connector portion; 213. a card sub-portion; 22. a support portion; 23. a limiting part; 24. a slide hole; 25. and a buffer ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
In a first aspect, embodiments of the present application disclose an airbag having a protective base. Referring to fig. 1 and 2, the airbag with the protective base includes an airbag body 1, and a protective base film 2 is disposed inside the airbag body 1. Specifically, the manufacturing material of the protective basement membrane 2 is the same as that of the inflatable bag body 1, and the protective basement membrane 2 is arranged in a hollow manner. The side of protection basement membrane 2 is provided with connecting portion 21, and connecting portion 21 and protection basement membrane 2 are the integral type setting, and the department of bending of gas bag body 1 has seted up the card hole, and connecting portion 21 and the cooperation of card hole joint. When using, through aerifing protection basement membrane 2 for protection basement membrane 2 inflation, thereby make connecting portion 21 and the cooperation of card hole joint, and then make protection basement membrane 2 can separate the bottom of article and the bottom surface of gas bag body 1, thereby make the corner of article and the part of bending of gas bag body 1 separate, be favorable to improving the protection effect to article corner part.
Referring to fig. 1 and 2, the connection portion 21 is provided in plurality, and the plurality of connection portions 21 are provided at equal intervals along the circumferential side of the protection base film 2. Specifically, the connecting portion 21 includes a first connecting portion 211 and a second connecting portion 212, the first connecting portion 211 and the second connecting portion 212 are both hollow, and the first connecting portion 211 and the second connecting portion 212 are both integrated with the protective base film 2. The width of the first connector portion 211 is the same as the width of the second connector portion 212. One end of the first connector part 211 is fixedly connected to a side of the protective base film 2, and the other end of the first connector part 211 is fixedly connected to an end of the second connector part 212. The joint of the first connector portion 211 and the second connector portion 212 is configured as a clamping portion 213, the clamping portion 213 is used for clamping and matching with the clamping hole, and the width of the clamping portion 213 is smaller than that of the first connector portion 211.
Further, an inflation valve port is installed at one end of one of the second connector portions 212, which is away from the first connector portion 211, for inflating the interior of the protective base film 2.
During the installation, put into the inside of gas bag body 1 with protection basement membrane 2 earlier, then aim at and the joint with second connector part 212 and card hole, and aerify protection basement membrane 2, make first connector part 211 inflation and joint inside the gas bag, be used for supporting protection basement membrane 2, and make joint part 213 and card hole joint, second connector part 212 corresponds and stretches out outside the lateral wall of gas bag body 1, be used for supporting gas bag body 1, improve the stability that gas bag body 1 placed.
Referring to fig. 1 and 2, a plurality of support portions 22 are disposed on one side of the protective bottom film 2 facing the airbag body 1, and the support portions 22 are uniformly distributed on one side of the protective bottom film 2 facing the airbag body 1 and are disposed in a hollow manner. One end of the supporting portion 22 is fixedly connected to the side wall of the protective base film 2, and the supporting portion 22 is communicated with the protective base film 2. The bottom of the inflatable bag body 1 penetrates through the inside and is provided with a sliding hole 24, and the sliding hole 24 is inserted into the supporting part 22 and is in sliding fit with the supporting part. The side wall of the support portion 22 abuts against the hole wall of the slide hole 24. When the vibration isolation inflatable bag is used, articles are placed into the inflatable bag body 1, the bottom of the articles is abutted to the side wall of the protective bottom film 2, the supporting portion 22 and the hole wall of the sliding hole 24 rub against each other during vibration, vibration force can be buffered, the supporting portion 22 can form support, and another buffering effect is achieved on the articles.
Referring to fig. 1 and 2, in order to improve the stability of the sliding fit between the supporting portion 22 and the slide hole 24, a limiting portion 23 is fixedly connected to one end of the supporting portion 22 away from the protective base film 2, the width of the limiting portion 23 is greater than that of the supporting portion 22, and the limiting portion 23 is disposed in a hollow manner and is communicated with the inside of the supporting portion 22.
Referring to fig. 1 and 2, a buffer ring 25 is disposed on one side of the protective bottom film 2 facing the opening of the airbag body 1, the buffer ring 25 is disposed on the peripheral side of the protective bottom film 2, and the side wall of the buffer ring 25 abuts against the side wall of the airbag body 1. The buffer ring 25 is hollow, and the buffer ring 25 is communicated with the inside of the protective base film 2.
The implementation principle of the inflatable bag with the protection base in the embodiment of the application is as follows:
when receiving vibrations, the gas bag body 1 can cushion vibrations earlier, simultaneously effect at connecting portion 21 is downward, it promotes article and keeps away from the department of bending of gas bag body 1 to drive protection basement membrane 2, thereby can reduce article and directly take place at the department of bending of gas bag the condition of colliding, and supporting part 22 is through the friction with slide opening 24, convert the vibrations power and offset, and stretch out through supporting part 22 and collide the face direct contact, utilize the hollow structure of self to play the effect of buffering to article once more, and spacing 23's setting, not only can improve the stability that supporting part 22 and slide opening 24 are connected, the area of contact of supporting part 22 with the collision face has also been increased simultaneously, the buffering contact surface has been improved, also can play certain buffering effect to article, great improvement the protectiveness to article.
In a second aspect, an embodiment of the present application discloses a process for producing an airbag with a protective base, comprising the following steps:
s1, manufacturing the inflatable bag body 1 by using the raw materials through hot pressing, edge sealing and cutting;
s2, preparing the protective base film 2 by using the raw materials through hot pressing, edge sealing and cutting;
s3, placing the protective base film 2 into the inflatable bag body 1, and clamping and matching the connecting part 21 with the clamping hole;
and S4, splicing the inflatable bag body 1 and the protective bottom film 2 by splicing and matching the splicing part with the slide hole 24.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. Air bag with protection base, including air bag body (1), its characterized in that: the inside of gas bag body (1) is provided with protection basement membrane (2), the side of protection basement membrane (2) is provided with connecting portion (21), connecting portion (21) with protection basement membrane (2) are the integral type setting, the card hole has been seted up to the department of bending of gas bag body (1), connecting portion (21) with the cooperation of card hole joint.
2. An airbag having a protective base as defined in claim 1 wherein: the connecting portion (21) comprises a first connecting sub-portion (211) and a second connecting sub-portion (212), the width of the first connecting sub-portion (211) is the same as that of the second connecting sub-portion (212), one end of the first connecting sub-portion (211) is fixedly connected with the side edge of the protective base film (2), the other end of the first connecting sub-portion (211) is fixedly connected with the second connecting sub-portion (212), the width of the joint of the first connecting sub-portion (211) and the second connecting sub-portion (212) is smaller than that of the first connecting sub-portion (211), the joint of the first connecting sub-portion (211) and the second connecting portion (21) is set to be a clamping sub-portion (213), and the clamping hole is clamped with the clamping sub-portion (213).
3. An airbag having a protective base as defined in claim 2 wherein: connecting portion (21) are provided with a plurality ofly, and a plurality of connecting portion (21) are followed the side circumference of protection basement membrane (2) is the equidistance interval and sets up.
4. An airbag having a protective base as defined in claim 1 wherein: protection basement membrane (2) orientation one side of gas pocket body (1) bottom is provided with supporting part (22), the one end of supporting part (22) with protection basement membrane (2) fixed connection, just supporting part (22) with protection basement membrane (2) inside is linked together.
5. An airbag having a protective base as defined in claim 4 wherein: the supporting part (22) is provided with a plurality of, and is a plurality of supporting part (22) evenly distributed is in protection basement membrane (2) orientation one side of gas bag body (1).
6. An airbag having a protective base as defined in claim 5 wherein: the bottom of the inflatable bag body (1) is provided with a plurality of sliding holes (24), and the sliding holes (24) are in inserting fit with the supporting parts (22).
7. An airbag having a protective base as defined in claim 6 wherein: the supporting part (22) is far away from one end of the protective bottom film (2) is fixedly connected with a limiting part (23), the limiting part (23) is communicated with the supporting part (22), and the width of the limiting part (23) is greater than that of the supporting part (22).
8. An airbag having a protective base as defined in claim 1 wherein: protection basement membrane (2) orientation inflation bag body (1) opening one side is fixed and is provided with buffering ring (25), buffering ring (25) with the lateral wall looks butt of inflation bag body (1).
9. An airbag having a protective base as defined in claim 7 wherein: the buffer ring (25) is arranged in a hollow mode, and the buffer ring (25) is communicated with the interior of the protective bottom film (2).
10. A process for producing an airbag with a protective base, applied to an airbag with a protective base as claimed in claims 1 to 9, characterized in that it comprises the following steps:
s1, manufacturing the inflatable bag body (1) by using the raw materials through the working procedures of hot pressing, edge sealing and cutting;
s2, preparing the protective base film (2) by using the raw materials through hot pressing, edge sealing and cutting;
s3, placing the protective bottom film (2) into the inflatable bag body (1), and clamping and matching the connecting part (21) with the clamping hole;
and S4, splicing and matching the splicing part with the sliding hole (24) to complete splicing of the inflatable bag body (1) and the protective bottom film (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212429.3A CN113879699B (en) | 2021-10-19 | 2021-10-19 | Inflatable bag with protective base and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212429.3A CN113879699B (en) | 2021-10-19 | 2021-10-19 | Inflatable bag with protective base and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113879699A true CN113879699A (en) | 2022-01-04 |
| CN113879699B CN113879699B (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111212429.3A Active CN113879699B (en) | 2021-10-19 | 2021-10-19 | Inflatable bag with protective base and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113879699B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020117421A1 (en) * | 2001-02-28 | 2002-08-29 | Univ Sheffield Hallam | Protective device |
| US20070199854A1 (en) * | 2006-02-24 | 2007-08-30 | Sadow Bernard D | Impact resistant cushion for electronic equipment with diagonal corner support and carrying cases including the same |
| US20150125099A1 (en) * | 2013-11-06 | 2015-05-07 | The Procter & Gamble Company | Flexible Containers and Methods of Forming the Same |
| CN108202927A (en) * | 2016-12-19 | 2018-06-26 | 肖特股份有限公司 | Load securing system and for loading fixed method |
| CN109132208A (en) * | 2018-09-29 | 2019-01-04 | 北海华源电子有限公司 | Convenient for the protective device of display transport |
| TWI664126B (en) * | 2018-08-13 | 2019-07-01 | 亞比斯包材工場股份有限公司 | Inflatable bag with hammock structure |
| CN109969611A (en) * | 2019-04-16 | 2019-07-05 | 昆山亚比斯环保包装材料有限公司 | A kind of air bag with protection pedestal |
| CN209535939U (en) * | 2018-10-10 | 2019-10-25 | 潍坊职业学院 | A kind of circular buffering packing case |
| CN110525770A (en) * | 2019-09-27 | 2019-12-03 | 北京印刷学院 | A kind of circulation express box with pooling feature adjustable volume |
| CN211224367U (en) * | 2019-10-08 | 2020-08-11 | 广东烟草中山市有限责任公司 | Air cushion tray |
| CN213058458U (en) * | 2020-08-13 | 2021-04-27 | 安徽牧翔禽业有限公司 | Prevent broken egg and place box |
-
2021
- 2021-10-19 CN CN202111212429.3A patent/CN113879699B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020117421A1 (en) * | 2001-02-28 | 2002-08-29 | Univ Sheffield Hallam | Protective device |
| US20070199854A1 (en) * | 2006-02-24 | 2007-08-30 | Sadow Bernard D | Impact resistant cushion for electronic equipment with diagonal corner support and carrying cases including the same |
| US20150125099A1 (en) * | 2013-11-06 | 2015-05-07 | The Procter & Gamble Company | Flexible Containers and Methods of Forming the Same |
| CN108202927A (en) * | 2016-12-19 | 2018-06-26 | 肖特股份有限公司 | Load securing system and for loading fixed method |
| TWI664126B (en) * | 2018-08-13 | 2019-07-01 | 亞比斯包材工場股份有限公司 | Inflatable bag with hammock structure |
| CN109132208A (en) * | 2018-09-29 | 2019-01-04 | 北海华源电子有限公司 | Convenient for the protective device of display transport |
| CN209535939U (en) * | 2018-10-10 | 2019-10-25 | 潍坊职业学院 | A kind of circular buffering packing case |
| CN109969611A (en) * | 2019-04-16 | 2019-07-05 | 昆山亚比斯环保包装材料有限公司 | A kind of air bag with protection pedestal |
| CN110525770A (en) * | 2019-09-27 | 2019-12-03 | 北京印刷学院 | A kind of circulation express box with pooling feature adjustable volume |
| CN211224367U (en) * | 2019-10-08 | 2020-08-11 | 广东烟草中山市有限责任公司 | Air cushion tray |
| CN213058458U (en) * | 2020-08-13 | 2021-04-27 | 安徽牧翔禽业有限公司 | Prevent broken egg and place box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113879699B (en) | 2022-10-14 |
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