CN105857866A - Environment-friendly rice bag - Google Patents
Environment-friendly rice bag Download PDFInfo
- Publication number
- CN105857866A CN105857866A CN201610246775.6A CN201610246775A CN105857866A CN 105857866 A CN105857866 A CN 105857866A CN 201610246775 A CN201610246775 A CN 201610246775A CN 105857866 A CN105857866 A CN 105857866A
- Authority
- CN
- China
- Prior art keywords
- bag
- environment
- friendly type
- type rice
- rice
- 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.)
- Pending
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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
- B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated 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
- B65D33/04—Windows or other apertures, e.g. for viewing contents
-
- 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
- B65D33/06—Handles
- B65D33/10—Handles formed of similar material to that used for the bag
- B65D33/105—U-shaped
-
- 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
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/28—Strings or strip-like closures, i.e. draw closures
-
- 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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
-
- 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
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention discloses an environment-friendly rice bag which is prepared from a composite material. The composite material consists of nonwoven cloth, polyethylene resin, chlorinated polypropylene resin and biologically degradable starch resin and further comprises water-based ink. A color-variable preparation which can discolor in a wet environment is arranged outside the environment-friendly rice bag and is used for indicating that rice in the rice bag is possibly wetted. The preparation is selected from one of allochroic silica gel, anhydrous cupric sulfate and cobalt chloride. The environment-friendly rice bag is high in oxidization resistance, and is simple and elegant in design; due to the degradability, the environment-friendly rice bag is favorable for environmental protection.
Description
Technical field
The present invention relates to food packaging applications, particularly relate to a kind of environment-friendly type rice for bag.
Background technology
Rice for bag in the market generally uses woven bag, and woven bag sealing is preferable, simultaneously can also be waterproof to avoid
Rice makes moist, but woven bag non-degradable, after the rice in woven bag is used up, woven bag can not be circulated profit again
With, extremely disadvantageous to protection environment.Additionally woven bag is in manufacturing, and easily produces penetrating odor, to employee
Healthy and environmental conservation is the most unfavorable.
Therefore, those skilled in the art is devoted to develop that a kind of oxidative resistance is strong, design is the most generous, can give birth to simultaneously
Thing is degraded, and is beneficial to protect the environment-friendly type rice for bag of environment.
Summary of the invention
Because the drawbacks described above of prior art, the technical problem to be solved is to provide one and has strong oxytolerant
Change property, design the most generous, degradable is beneficial to the environment-friendly type rice for bag of environmental conservation simultaneously.
For achieving the above object, the invention provides a kind of environment-friendly type rice for bag and be made up of composite, composite bag
Include non-woven fabrics, polyvinyl resin, chlorinated polypropylene and biodegradable starches resin；Composite is set
For first by polyvinyl resin, chlorinated polypropylene and biodegradable starches resin with (1～3): (2～3):
The mass ratio of (4～5) melts and mixes, the mixture obtained again with non-woven fabrics with (6～8): the mass ratio of 1
Example is formed by injection molding process.
Further, polyvinyl resin, chlorinated polypropylene and biodegradable starches resin in composite
Mass ratio is 1:3:4, and the mixture obtained is 8:1 with the mass ratio of non-woven fabrics.
Further, the outside of environment-friendly type rice for bag is provided with the preparation of changeable colour, and preparation can become in wet environment
Color, for pointing out the rice in rice for bag easily to make moist.
Further, the one during preparation selects variable color silica gel, anhydrous cupric sulfate, cobaltous chloride.
Further, the opening part of environment-friendly type rice for bag is set to two-layer, and two-layer is sewed up with cotton thread in junction, is opening
The handle identical with rice for bag material it is provided with between two-layer at Kou.
Further, opening part is provided with shielding plate, and opening part includes the first limit and the second limit, and shielding plate includes first
End and the second end, first end is fixed on the first limit of opening part, and shutter can when opening part opens wide
To cover opening, and the second end covers the second limit of opening part.
Further, environment-friendly type rice for bag supporting power is 2 kilograms-10 kilograms.
Further, non-woven fabrics is made up of cellulose fibre, chitin fiber, the one in viscose fiber.
Further, environment-friendly type rice for bag also includes a transparent plastic visual window.
Further, the grammes per square metre of non-woven fabrics is 0.8g/m2-12.2g/m2。
In the better embodiment of the present invention, a kind of environment-friendly type rice for bag, environment-friendly type rice for bag is made up of composite,
Composite includes non-woven fabrics, polyvinyl resin, chlorinated polypropylene and biodegradable starches resin；Compound
Material be arranged to first by polyvinyl resin, chlorinated polypropylene and biodegradable starches resin with (1～3):
(2～3): the mass ratio of (4～5) melts and mixes, the mixture obtained again with non-woven fabrics with (6～8): 1
Mass ratio formed by injection molding process.Polyvinyl resin, chlorinated polypropylene and life in composite
The mass ratio of Biodegradable starch-resin is 1:3:4, and the mixture obtained is 8:1 with the mass ratio of non-woven fabrics.
The outside of environment-friendly type rice for bag is provided with the preparation of changeable colour, and preparation can be used for pointing out greatly with variable color in wet environment
Rice in rice bag may easily make moist.The one in variable color silica gel, anhydrous cupric sulfate, cobaltous chloride selected by preparation.Ring
The opening part of guarantor's type rice for bag is set to two-layer, and two-layer is sewed up with cotton thread in junction, sets between the two-layer of opening part
There is the handle identical with rice for bag material.Opening part is provided with shielding plate, and opening part includes the first limit and the second limit, hides
Catch includes first end and the second end, and first end is fixed on the first limit of opening part, and shutter opens at opening part
Opening can be covered under the state opened, and the second end covers the second limit of opening part.Environment-friendly type rice for bag load-bearing
Amount is 2 kilograms-5 kilograms.Non-woven fabrics is made up of cellulose fibre, chitin fiber, the one in viscose fiber.Ring
Guarantor's type rice for bag also includes a transparent plastic visual window.The grammes per square metre of non-woven fabrics is 0.8g/m2-12.2g/m2。
Technique effect
1, environment-friendly type rice for bag is made up of environment-friendly composite material, and the biodegradable starches resin of non-woven fabrics and interpolation makes
Rice for bag degradable, is beneficial to protect environment.
2, environment-friendly type rice for bag is provided with handle and shielding plate so that rice for bag can utilize shielding plate to block in use
Dusts etc., after the rice in rice for bag is used up simultaneously, can use rice for bag when common Environmental protection bag, make environmental protection
Bag can be recycled.
3, utilize changeable colour preparation to distinguish the moist degree of environment, to point out user to change the storage site of rice in time,
Preparation is tasteless nontoxic simultaneously, will not have a negative impact food or human body.
Below with reference to accompanying drawing, the technique effect of design, concrete structure and the generation of the present invention is described further, with
It is fully understood from the purpose of the present invention, feature and effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the environment-friendly type rice for bag of a preferred embodiment of the present invention.
Fig. 2 is the structural representation of the environment-friendly type rice for bag of another preferred embodiment of the present invention.
Fig. 3 is the structural representation of the environment-friendly type rice for bag of another preferred embodiment of the present invention.
Detailed description of the invention
Embodiment 1
As it is shown in figure 1, the one of the present invention preferably provides a kind of environment-friendly type rice for bag, environment-friendly type rice for bag is by being combined
Material is made, and composite includes non-woven fabrics, polyvinyl resin, chlorinated polypropylene and biodegradable starches
Resin；Composite is arranged to first by polyvinyl resin, chlorinated polypropylene and biodegradable starches tree
Fat is with the mass ratio melting mixing of 1:3:4, and the mixture obtained passes through with the mass ratio of 8:1 with non-woven fabrics again
Injection molding process is formed.Preferably, superfine fibre nonwoven cloth selected by non-woven fabrics.
In the present embodiment, select according to polyvinyl resin, chlorinated polypropylene and biodegradable starches resin not
Same fusing point, in mixing after melting respectively, obtains a kind of compound mixture, then by this mixture by being molded
Machine and non-woven fabrics injection mo(u)lding.
The grammes per square metre of non-woven fabrics is 0.8g/m2, the grammes per square metre of biodegradable starches resin is 8.4g/m2.In composite also
Containing tasteless nontoxic water color ink, this makes the outside of rice for bag can be applied widely with impressing pattern or advertisement.
The most external of rice for bag is provided with the preparation of changeable colour, and preparation can be that brushing is in outside, it is possible to by other means
Individually it is fixed on outside；Variable color silica gel selected by changeable colour preparation, due to variable color silica gel generally in spherical or graininess, logical
Often variable color silica gel is loaded in translucent non-woven bag, be fixed on the outside of rice for bag, by observing blue change
Whether color silica gel changes color to red or orange judges that surrounding enviroment are the moistest.
The load-bearing scope that the environment-friendly type rice for bag of the present embodiment is suitable for is 5kg-10kg.
Embodiment 2
As it is shown in figure 1, another preferred embodiment of the present invention provides a kind of environment-friendly type rice for bag, environment-friendly type rice for bag
Being made up of composite, composite includes that non-woven fabrics, polyvinyl resin, chlorinated polypropylene and biology can drop
Solve starch-resin；Composite is arranged to first by polyvinyl resin, chlorinated polypropylene and biodegradable
Starch-resin melts with the mass ratio of 3:2:4 and mixes, the mixture obtained again with non-woven fabrics with the quality of 6:1
Ratio is formed by injection molding process.
In the present embodiment, after polyvinyl resin, chlorinated polypropylene and biodegradable starches mixed with resin,
It is heated to 170 DEG C, by above-mentioned resin melting, then by molten mixture by injection machine and non-woven fabrics injection mo(u)lding,
Preferably, melt spraying non-woven fabrics selected by non-woven fabrics.
The grammes per square metre of non-woven fabrics is 12.2g/m2, the grammes per square metre of biodegradable starches resin is 8g/m2.In composite also
Containing tasteless nontoxic water color ink, this makes the outside of rice for bag can be applied widely with impressing pattern or advertisement.
The most external of rice for bag is provided with the preparation of changeable colour, and preparation can be that brushing is in outside, it is possible to by other means
Individually it is fixed on outside；Cobaltous chloride selected by changeable colour preparation；Generally when processing is used for the composite making rice for bag,
After the basic molding of composite, by hot pressing, cobaltous chloride powder is mixed in composite, and in the composite
In blueness, according to its easy deliquescence, in wet environment, easy this characteristic of variable color judges that local environment is the moistest.
The load-bearing scope that the environment-friendly type rice for bag of the present embodiment is suitable for is 5kg-10kg.
Embodiment 3
Embodiment 3 is identical with the grammes per square metre of the composite in embodiment 2 and non-woven fabrics and biodegradable starches resin,
Except for the difference that, drier self-indicating selected by its changeable colour preparation, it is preferable that containing anhydrous Anhydrone in drier self-indicating
As desiccant, containing cobaltous chloride or cobaltous sulfate as water-absorbing dry drying prescription.In this embodiment, use drier self-indicating not
Only may indicate that environment is the moistest, moreover it is possible to absorbed water by desiccant, the rice in protection rice for bag does not makes moist.Variable color
Desiccant is preferably provided at outside whole rice for bag.
Embodiment 4
As in figure 2 it is shown, the invention provides a kind of environment-friendly type rice for bag, environment-friendly type rice for bag is made up of composite,
Composite includes non-woven fabrics, polyvinyl resin, chlorinated polypropylene and biodegradable starches resin.Compound
Material be arranged to first by polyvinyl resin, chlorinated polypropylene and biodegradable starches resin with 2:3:5's
Mass ratio melting mixing, the mixture obtained passes through injection molding process with non-woven fabrics with the mass ratio of 8:1 again
Formed.The grammes per square metre of non-woven fabrics is 0.8g/m2-12.2g/m2, the grammes per square metre of biodegradable starches resin is 8g/m2-11.5
g/m2。
Environment-friendly type rice for bag in the present embodiment is set to bilayer at opening part, and two-layer is all selected identical with rice for bag body
Composite, two-layer composite junction use cotton thread sew up, cotton thread is easily taken out stitches herein, between these two layers there
It is provided with handle.Preferably, handle is by sewing up be connected fixing with rice for bag body, it is preferable that between handle two ends
Being readily disassembled for the cotton thread sewed up of part.
The opening part of rice for bag can be considered as including the first limit and the second limit, and opening part is provided with shielding plate, shielding plate
Material identical with the body of rice for bag, select composite.The first limit of opening part is fixed in one end of shielding plate,
Whole shielding plate, when opening is in opening-wide state, can fully cover whole opening, and make the other end and opening part
The outside laminating on the second limit, it is preferred to use velcro, button, snap-fastener etc. so that shielding plate the second end with
Second limit laminating of opening part.
Shielding plate in the present embodiment also has another to act on: when rice for bag is for empty bag, sack can be converted into strip,
And put in shielding plate, shielding plate passes through the bonding methods such as velcro, the strip presented after keeping bag collapses,
Being easy to carry about with one and deposit, shared volume is little.
Embodiment 5
Embodiment 5 is similar to Example 4, and except for the difference that, such as Fig. 3, environmental protection rice for bag also includes a plastic, transparent
Window, transparent plastic selects soft material, it is easy to folds but is not easy fracture.Plastic, transparent window is used for observing bag
The state of interior article.
Non-woven fabrics in embodiment 1-5 preferably, by cellulosic material, chitin, make, fine by the one in viscose
Cellulose fiber, chitin fiber, viscose fiber is all biodegradable composition, and this makes composite degradable,
It is more favorable for environmental conservation.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all in the art
Technical staff the most on the basis of existing technology can by logical analysis, reasoning, or a limited experiment
With the technical scheme obtained, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. an environment-friendly type rice for bag, it is characterised in that described environment-friendly type rice for bag is made up of composite, described multiple
Condensation material includes non-woven fabrics, polyvinyl resin, chlorinated polypropylene and biodegradable starches resin；Described multiple
Condensation material is arranged to first described polyvinyl resin, described chlorinated polypropylene and described biodegradable be formed sediment
Powder resin is with (1～3): (2～3): the mass ratio of (4～5) melts and mixes, the mixture obtained again with institute
State non-woven fabrics with (6～8): the mass ratio of 1 is formed by injection molding process.
2. a kind of environment-friendly type rice for bag as claimed in claim 1, it is characterised in that described in described composite
The mass ratio of polyvinyl resin, described chlorinated polypropylene and described biodegradable starches resin is 1:3:4,
The described mixture obtained is 8:1 with the mass ratio of described non-woven fabrics.
3. a kind of environment-friendly type rice for bag as claimed in claim 1, it is characterised in that outside described environment-friendly type rice for bag
Portion is provided with the preparation of changeable colour, and described preparation can be with variable color in wet environment, for pointing out in described rice for bag
Rice may easily make moist.
4. a kind of environment-friendly type rice for bag as claimed in claim 3, it is characterised in that described preparation selection variable color silica gel,
One in anhydrous cupric sulfate, cobaltous chloride.
5. a kind of environment-friendly type rice for bag as claimed in claim 1, it is characterised in that opening of described environment-friendly type rice for bag
Being set to two-layer at Kou, described two-layer is sewed up at junction cotton thread, is provided with and institute between the two-layer of described opening part
State the handle that rice for bag material is identical.
6. a kind of environment-friendly type rice for bag as claimed in claim 5, it is characterised in that described opening part is provided with and blocks
Sheet, described opening part includes the first limit and the second limit, and described shielding plate includes first end and the second end, described
One end is fixed on the first limit of described opening part, and described shutter can cover when described opening part opens wide
Live opening, and described the second end covers the second limit of described opening part.
7. a kind of environment-friendly type rice for bag as claimed in claim 1, it is characterised in that described environment-friendly type rice for bag load-bearing
Amount is 2 kilograms-10 kilograms.
8. a kind of environment-friendly type rice for bag as claimed in claim 1, it is characterised in that described non-woven fabrics is by cellulose fiber
Dimension, chitin fiber, the one in viscose fiber is made.
9. a kind of environment-friendly type rice for bag as claimed in claim 1, it is characterised in that described environment-friendly type rice for bag is also wrapped
Include a transparent plastic visual window.
10. a kind of environment-friendly type rice for bag as claimed in claim 1, it is characterised in that the grammes per square metre of described non-woven fabrics is
0.8g/m2-12.2g/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246775.6A CN105857866A (en) | 2016-04-19 | 2016-04-19 | Environment-friendly rice bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246775.6A CN105857866A (en) | 2016-04-19 | 2016-04-19 | Environment-friendly rice bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105857866A true CN105857866A (en) | 2016-08-17 |
Family
ID=56632648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610246775.6A Pending CN105857866A (en) | 2016-04-19 | 2016-04-19 | Environment-friendly rice bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105857866A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108893800A (en) * | 2018-06-27 | 2018-11-27 | 枣阳市东航塑编彩印有限公司 | A kind of production technology and its recovery method of the waterproof plastic woven bag of moisture absorption response |
| CN109051265A (en) * | 2018-09-09 | 2018-12-21 | 浙江时进包装有限公司 | A kind of surgical instrument combined package bag |
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|---|---|---|---|---|
| JPH11268751A (en) * | 1998-03-18 | 1999-10-05 | Takushoku Shoji:Kk | Biodegradable bag |
| CN2683551Y (en) * | 2004-02-23 | 2005-03-09 | 陈孝顺 | Nonwoven composite colored packaging bag |
| CN1640918A (en) * | 2004-12-20 | 2005-07-20 | 陈明忠 | Biological degradatable plastic sheet material and its preparation method |
| CN202754250U (en) * | 2012-06-15 | 2013-02-27 | 杭州彼特环保包装有限公司 | Packaging bag |
| CN203332598U (en) * | 2013-05-24 | 2013-12-11 | 安徽云天米业有限公司 | Rice fresh-keeping bag |
-
2016
- 2016-04-19 CN CN201610246775.6A patent/CN105857866A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11268751A (en) * | 1998-03-18 | 1999-10-05 | Takushoku Shoji:Kk | Biodegradable bag |
| CN2683551Y (en) * | 2004-02-23 | 2005-03-09 | 陈孝顺 | Nonwoven composite colored packaging bag |
| CN1640918A (en) * | 2004-12-20 | 2005-07-20 | 陈明忠 | Biological degradatable plastic sheet material and its preparation method |
| CN202754250U (en) * | 2012-06-15 | 2013-02-27 | 杭州彼特环保包装有限公司 | Packaging bag |
| CN203332598U (en) * | 2013-05-24 | 2013-12-11 | 安徽云天米业有限公司 | Rice fresh-keeping bag |
Non-Patent Citations (2)
| Title |
|---|
| 天津海关: "《出口退税商品归类差错案例选》", 30 April 2014, 中国海关出版社 * |
| 张学金: "《实用包装技术》", 30 July 1993, 国防工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108893800A (en) * | 2018-06-27 | 2018-11-27 | 枣阳市东航塑编彩印有限公司 | A kind of production technology and its recovery method of the waterproof plastic woven bag of moisture absorption response |
| CN109051265A (en) * | 2018-09-09 | 2018-12-21 | 浙江时进包装有限公司 | A kind of surgical instrument combined package bag |
| CN109051265B (en) * | 2018-09-09 | 2023-09-08 | 浙江时进包装有限公司 | Composite packaging bag for surgical instrument |
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Application publication date: 20160817 |