CN114455203A - Deformation-resistant carton and manufacturing material thereof - Google Patents
Deformation-resistant carton and manufacturing material thereof Download PDFInfo
- Publication number
- CN114455203A CN114455203A CN202110392067.4A CN202110392067A CN114455203A CN 114455203 A CN114455203 A CN 114455203A CN 202110392067 A CN202110392067 A CN 202110392067A CN 114455203 A CN114455203 A CN 114455203A
- Authority
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- China
- Prior art keywords
- paperboard
- carton
- hard
- soft
- bamboo filaments
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 title description 4
- 239000011087 paperboard Substances 0.000 claims abstract description 76
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 39
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 39
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 39
- 241001330002 Bambuseae Species 0.000 claims abstract description 38
- 239000011425 bamboo Substances 0.000 claims abstract description 38
- 239000002131 composite material Substances 0.000 claims abstract description 22
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 13
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000002906 tartaric acid Nutrition 0.000 claims abstract description 10
- 239000011975 tartaric acid Substances 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 description 34
- 239000011111 cardboard Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 235000003570 Phyllostachys pubescens Nutrition 0.000 description 2
- 244000302661 Phyllostachys pubescens Species 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 241000209128 Bambusa Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance 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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/26—All layers being made of paper or paperboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/40—Closed containers
- B32B2439/62—Boxes, cartons, cases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
Abstract
The invention provides an anti-deformation carton which comprises a carton body formed by combining a bottom plate, side plates and a cover plate, wherein the side plates and the cover plate are made of composite paperboards, each composite paperboard is formed by combining an anti-collision layer formed by hard paperboards and a buffer layer formed by soft paperboards, the buffer layers and the anti-collision layers are bonded through glue, and a plurality of thin bamboo filaments with the diameter of 0.01-0.05 mm are filled in the anti-collision layers and the buffer layers. The invention also provides a hard paperboard, a soft paperboard and a composite paperboard formed by combining the hard paperboard and the soft paperboard, wherein a plurality of thin bamboo filaments with the diameter of 0.01-0.05 mm are filled in paper pulp for manufacturing the hard paperboard and the soft paperboard, and before the thin bamboo filaments are filled in the paper pulp for manufacturing the hard paperboard or the soft paperboard, the thin bamboo filaments are softened by tartaric acid solution with the concentration of 3% -8% and the temperature of 50-80 ℃. Not only the strength of the box body is improved, but also the toughness of the box body is improved, thereby effectively improving the deformation resistance of the box body.
Description
Technical Field
The invention belongs to the technical field of packaging, and particularly relates to a deformation-resistant carton and a manufacturing material thereof.
Background
The carton has low cost, various specifications and light weight, so the carton is widely applied to the fields of production, transportation, storage and the like and daily life. However, cartons also suffer from some disadvantages, mainly being susceptible to deformation in the event of crushing or impact, and in the event of severe damage to the contents of the carton.
In order to inhibit deformation of the carton, those skilled in the art have adopted some means of deformation resistance to improve the conventional carton. For example, utility model No. 201920377420.X discloses an anti-deformation carton, which comprises a carton body and positioning pins, the corners of the carton body are provided with eight inner anti-collision isolation guard bars, a lower anti-deformation device is arranged below the outer side of the carton body, an upper anti-deformation device is arranged above the outer side of the carton body, the lower anti-deformation device comprises a bottom anti-deformation guard plate, an L-shaped corner anti-deformation guard plate and a transverse anti-deformation guard plate, the four end angles above the bottom anti-deformation guard plate are all provided with L-shaped corner anti-deformation guard plates, the number of the L-shaped corner anti-deformation guard plates is four, the L type turning is preapred for an unfavorable turn of events the outside of shape backplate and is installed and transversely preapred for an unfavorable turn of events shape backplate, transversely preapred for an unfavorable turn of events shape backplate has twelve, upper portion anti-deformation device is preapred for an unfavorable turn of events shape backplate and portable preapred for an unfavorable turn of events shape backplate including returning the shape.
If, again, utility model No. 202020722572.1 discloses a follow-on resistance to deformation packing carton, including carton body and bearing structure, the edge all around of carton body is equipped with the protective layer, bearing structure sets up in the protective layer, bearing structure includes the crossbeam, longeron and curb girder, four longerons distribute in the four corners of carton body, the connecting piece has all been seted up to the centripetal both sides of every longeron, connecting piece and longeron structure as an organic whole, and the connecting piece includes the fixed block of two symmetries, circular through-hole has all been seted up at the middle part of every fixed block, cup joint the piece has all been seted up at both ends around every crossbeam, cup joint the middle part of piece and seted up the hole with circular through-hole looks adaptation, the left and right sides of curb girder all is equipped with the mounting.
For another example, utility model No. 201920080500.9 discloses a paper product packing box with an anti-deformation inner support frame, which comprises a lying cuboid packing box body and an inner support frame arranged in the packing box body; the inner support frame comprises a fixing seat fixed on the inner wall of the packaging box body and a support frame vertically inserted into and fixed on the fixing seat, the support frame comprises a portal frame, the fixing seat corresponds to the portal frame stand column and is provided with a plurality of fixing grooves or fixing holes used for fixing the portal frame stand column.
Although the specific technical means for resisting the deformation of the carton adopted by the technical scheme are different, the supporting structure is essentially added on the basis of the existing common carton. In addition, the skilled person also adopts technical means such as increasing the thickness or the rigidity of the carton (adopting a paperboard with large rigidity or even conforming to the cardboard to make the carton) to improve the deformation resistance of the carton.
The addition of a support structure does improve the deformation resistance of the carton, but the following technical defects exist:
1. the support structure itself is complex (generally speaking, a simple support structure is difficult to effectively improve the deformation resistance of the carton), resulting in a significant increase in the production cost of the carton.
2. The complex support structure causes the space within the carton to change, thereby complicating the process of loading the articles.
Although the technical means for increasing the thickness or the rigidity of the carton brings beneficial technical effects, new technical defects are generated, for example, the carton with the large thickness is heavy and consumes more materials, and the carton made of the paperboard with the large rigidity has a problem that the carton is too late to a certain extent, specifically, in the case of large external impact force, the impact surface is easy to crack, so that the damage degree of the carton is even higher than that of the common carton.
Disclosure of Invention
The invention provides a deformation-resistant carton, aiming at improving the deformation resistance of the carton with lower production cost and simpler box body structure. The purpose of the invention is realized by the following technical scheme:
the anti-deformation carton comprises a box body formed by combining a bottom plate, a side plate and a cover plate, wherein the side plate and the cover plate are made of composite paperboards, each composite paperboard is formed by combining an anti-collision layer formed by hard paperboards and a buffer layer formed by soft paperboards, the buffer layers are bonded with the anti-collision layers through glue, and the anti-collision layers and the buffer layers are filled with a plurality of thin bamboo filaments with the diameters of 0.01-0.05 mm.
On the basis of the technical scheme, the invention can be additionally provided with the following technical means so as to better realize the aim of the invention:
the composite paperboard comprises three layers, wherein the inner layer and the outer layer are anti-collision layers, and the middle layer is a buffer layer.
Further, the bottom plate is also made of composite paperboard.
The invention also provides a hard paperboard, and a plurality of thin bamboo filaments with the diameter of 0.01-0.05 mm are filled in the paper pulp for manufacturing the hard paperboard.
The invention also provides a soft paper board, and the paper pulp for manufacturing the soft paper board is filled with the thin bamboo filaments with the diameter of 0.01-0.05 mm.
Further, before the fine bamboo filaments are filled into paper pulp for manufacturing hard paperboards or soft paperboards, softening the fine bamboo filaments by using tartaric acid solution with the concentration of 3-8% and the temperature of 50-80 ℃.
The invention also provides a composite paperboard which is formed by combining the hard paperboard and the soft paperboard.
The invention has the following beneficial effects:
1. the deformation-resistant carton is made of the composite paperboard formed by combining the anti-collision layer made of the hard paperboard and the buffer layer made of the soft paperboard, so that the strength and toughness of the carton are improved, and the deformation resistance of the carton is effectively improved.
2. The invention fills a plurality of fine bamboo filaments with the diameter of 0.01-0.05 mm in the paper pulp for manufacturing the paper board, and the fine bamboo filaments can improve the toughness of the hard paper board and the strength and the toughness of the soft paper board.
3. Simple structure, low cost and convenient popularization and implementation.
Detailed Description
Example 1
The basic structure of the deformation-resistant carton is the same as that of the traditional carton, and the carton also comprises a box body formed by combining a bottom plate, side plates and a cover plate.
The side plate and the cover plate are both made of composite paperboards, each composite paperboard is formed by combining an inner anti-collision layer, a middle buffer layer and an outer anti-collision layer, the inner anti-collision layer and the outer anti-collision layer are made of hard paperboards, and the middle buffer layer is made of soft paperboards. The inner anti-collision layer, the outer anti-collision layer and the middle buffer layer are bonded by strong glue (such as 502 and the like).
Since the bottom board of the carton is generally not impacted by external force, in this embodiment, the bottom board is made of common hard cardboard. Of course, the base board can also be made of the above composite paperboard in order to improve the strength and toughness of the base board.
In order to further improve the strength and toughness of the box body and thus improve the deformation resistance (so-called deformation resistance, which means that the box body is not deformed at all after being subjected to external force, but has small deformation amplitude and can be recovered), the anti-collision layer and the buffer layer are filled with a plurality of thin bamboo filaments with the diameter of 0.01-0.05 mm.
It should be noted that the thickness of the bottom plate, the side plates and the cover plate and the shape and size of the carton can be determined according to technical standards and actual needs. In this embodiment, the thickness of the composite cardboard used for manufacturing the side panels and the cover plate is 5 mm, the thickness of the inner anti-collision layer and the thickness of the outer anti-collision layer are both 1.5 mm, and the thickness of the middle buffer layer is 2 mm.
Example 2
A composite paperboard is formed by combining hard paperboards and soft paperboards (according to actual needs, a structure that one layer of hard paperboards is sandwiched between two layers of soft paperboards can be adopted, and a structure that one layer of soft paperboards is sandwiched between two layers of hard paperboards or a structure that hard paperboards and soft paperboards are alternately overlapped layer by layer can be adopted). The paper pulp for making hard paper board and soft paper board is filled with several fine bamboo filaments of 0.01-0.05 mm diameter.
In the present embodiment, pulp that is used for manufacturing hard cardboard or pulp that is used for manufacturing soft cardboard can be pulp that is already known in the art, such as kraft pulp, mechanical pulp, and the like. Except that, in this example, a plurality of fine bamboo filaments having a diameter of 0.01 to 0.05 mm (preferably, the length of the fine bamboo filaments is 5 to 10 cm) were added to the pulp. 100-150 g of fine bamboo filaments are added into every 1000 g of pulp. The fine bamboo filament can be made of various bamboos. Taking phyllostachys pubescens as an example, the manufacturing method of the thin bamboo filament is as follows
Cutting phyllostachys pubescens, and slicing to obtain bamboo strips;
rolling the bamboo strips into thick silk-shaped bamboo filaments;
step three, processing the thick silk-shaped bamboo filaments into thin bamboo filaments with the diameter of 0.01 to 0.05 mm by using a filament forming machine;
soaking the fine bamboo filaments in a tartaric acid solution with the mass concentration of 3% -8% and the temperature of 50-80 ℃ for not less than 5 minutes;
and step five, cleaning the fine bamboo filaments treated by the tartaric acid solution for later use.
It should be noted that, after the treatment with the tartaric acid solution, many micropores are formed on the surface of the thin bamboo filaments, which is helpful to expand the bonding force between the thin bamboo filaments and other substance components in the pulp. In addition, after the treatment of the tartaric acid solution, the fine bamboo filaments can be fully softened, and the tensile strength is hardly influenced, so that the fine bamboo filaments and the paper pulp are conveniently and fully mixed and are mutually wound in the paper pulp, and the toughness and the strength of the paperboard can be effectively improved. It is noted that although tartaric acid is a weak acid, according to the experiments conducted by the inventors, the effect of treating the fine bamboo filaments with other weak acids, such as carbonic acid, phosphoric acid, benzenesulfonic acid, etc., is not good, and the reason for this may be different from other weak acids in the micro-kinetic process of interaction between tartaric acid and the surface components of the fine bamboo filaments.
Through impact test, the impact resistance of the composite paperboard is 1.6-2.1 times that of common hard paperboards with the same thickness on the market.
It should be noted that, in the process of implementing the present invention, the technical scheme of the composite paperboard of the present invention may be combined with the structural features of the honeycomb paperboard or corrugated paperboard in the prior art, so as to further improve the impact resistance of the composite paperboard.
Claims (8)
1. The utility model provides a resistance to deformation carton, includes the box that is formed by bottom plate, curb plate and apron combination, its characterized in that: the side plates and the cover plate are made of composite paperboards, each composite paperboard is formed by combining an anti-collision layer made of hard paperboards and a buffer layer made of soft paperboards, the buffer layers are bonded with the anti-collision layers through glue, and the anti-collision layers and the buffer layers are filled with a plurality of thin bamboo filaments with the diameter of 0.01-0.05 mm.
2. The deformation resistant carton of claim 1, wherein: the composite paperboard comprises three layers, wherein the inner layer and the outer layer are anti-collision layers, and the middle layer is a buffer layer.
3. The deformation resistant carton of claim 1 or 2, wherein: the bottom plate is also made of composite paperboard.
4. A rigid paperboard characterized by: the paper pulp for making hard paper board is filled with several fine bamboo filaments with diameter of 0.01-0.05 mm.
5. The rigid paperboard of claim 4 further characterized by: before the fine bamboo filaments are filled into paper pulp for manufacturing the hard paperboard, the fine bamboo filaments are treated by tartaric acid solution with the concentration of 3% -8% and the temperature of 50-80 ℃.
6. A flexible paperboard characterized by: the pulp for making soft paper board is filled with fine bamboo filament with diameter of 0.01-0.05 mm.
7. The flexible paperboard of claim 6 further characterized by: before the fine bamboo filaments are filled into paper pulp for manufacturing the soft paper board, the fine bamboo filaments are treated by tartaric acid solution with the concentration of 3% -8% and the temperature of 50-80 ℃.
8. A composite paperboard characterized by: the hard paperboard of claim 4 or 5 in combination with the soft paperboard of claim 6 or 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392067.4A CN114455203A (en) | 2021-04-12 | 2021-04-12 | Deformation-resistant carton and manufacturing material thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392067.4A CN114455203A (en) | 2021-04-12 | 2021-04-12 | Deformation-resistant carton and manufacturing material thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114455203A true CN114455203A (en) | 2022-05-10 |
Family
ID=81405490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110392067.4A Pending CN114455203A (en) | 2021-04-12 | 2021-04-12 | Deformation-resistant carton and manufacturing material thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114455203A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902650A (en) * | 1973-11-13 | 1975-09-02 | Eiji Kato | Paper box for wrapping refrigerated meat |
| JPH10146906A (en) * | 1996-11-19 | 1998-06-02 | Dainippon Printing Co Ltd | Cosmetic laminate and paper box having water absorption function |
| CN107457876A (en) * | 2017-07-20 | 2017-12-12 | 广德县泉村竹制品有限公司 | A kind of on-deformable bamboo mat preparation method |
| CN208086423U (en) * | 2018-03-27 | 2018-11-13 | 厦门同安鑫昶发工贸有限公司 | A kind of industrial carton |
| CN208307443U (en) * | 2018-05-11 | 2019-01-01 | 福建利树股份有限公司 | A kind of enhanced corrugated board of cracking resistance |
| CN109577067A (en) * | 2019-01-22 | 2019-04-05 | 深圳市裕嘉印刷包装有限公司 | The technique for preparing compound package material with waste paper, wood bamboo material |
| WO2020041272A1 (en) * | 2018-08-23 | 2020-02-27 | Eastman Chemical Company | Lightweight cardboard and paper articles |
-
2021
- 2021-04-12 CN CN202110392067.4A patent/CN114455203A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902650A (en) * | 1973-11-13 | 1975-09-02 | Eiji Kato | Paper box for wrapping refrigerated meat |
| JPH10146906A (en) * | 1996-11-19 | 1998-06-02 | Dainippon Printing Co Ltd | Cosmetic laminate and paper box having water absorption function |
| CN107457876A (en) * | 2017-07-20 | 2017-12-12 | 广德县泉村竹制品有限公司 | A kind of on-deformable bamboo mat preparation method |
| CN208086423U (en) * | 2018-03-27 | 2018-11-13 | 厦门同安鑫昶发工贸有限公司 | A kind of industrial carton |
| CN208307443U (en) * | 2018-05-11 | 2019-01-01 | 福建利树股份有限公司 | A kind of enhanced corrugated board of cracking resistance |
| WO2020041272A1 (en) * | 2018-08-23 | 2020-02-27 | Eastman Chemical Company | Lightweight cardboard and paper articles |
| CN109577067A (en) * | 2019-01-22 | 2019-04-05 | 深圳市裕嘉印刷包装有限公司 | The technique for preparing compound package material with waste paper, wood bamboo material |
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Application publication date: 20220510 |