CN108166331A - A kind of paper pulp moulding product structure with reinforcing rib - Google Patents
A kind of paper pulp moulding product structure with reinforcing rib Download PDFInfo
- Publication number
- CN108166331A CN108166331A CN201810124363.4A CN201810124363A CN108166331A CN 108166331 A CN108166331 A CN 108166331A CN 201810124363 A CN201810124363 A CN 201810124363A CN 108166331 A CN108166331 A CN 108166331A
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- Prior art keywords
- paper pulp
- reinforcing rib
- pulp die
- die
- mould
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- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 162
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 127
- 238000000465 moulding Methods 0.000 title claims abstract description 25
- 239000000243 solution Substances 0.000 claims description 52
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 239000011780 sodium chloride Substances 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 4
- 230000002787 reinforcement Effects 0.000 claims 4
- 238000009955 starching Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of paper pulp moulding product structures with reinforcing rib, including paper pulp die main body and upper paper pulp die cavity, the upper paper pulp die cavity is set in paper pulp die main body, and upper paper pulp die slot bottom end extends to paper pulp die body lumen, the upper paper pulp die trench bottom both sides are respectively arranged with first time paper pulp die and second time paper pulp die, the upper paper pulp die cavity, first time paper pulp die and second time paper pulp die outer wall are fixedly installed external reinforcing ribs, and first time paper pulp die and second time paper pulp die side wall inner cavity are provided with interior reinforcing rib.Paper pulp moulding product side elevation by way of being designed with vertical small interior reinforcing rib by the present invention, an appropriate number of external reinforcing ribs are arranged in product side elevation, it can not only play the role of firm product profile forms, the stability of paper pulp moulding product can also be greatly improved, and the product of the present invention can be under conditions of equal wall thickness, strengthen the mechanical strength of product side wall, reach the mechanical test strength condition of bigger.
Description
Technical field
The present invention relates to paper pulp molding forming product scope, more particularly to a kind of paper pulp moulding product knot with reinforcing rib
Structure.
Background technology
Current paper pulp moulding product side elevation design is the facade of equal thickness, main 2 shortcomings of which：
1st, product is hot-forming and trimming after be easily deformed；
2nd, product drop test insufficient strength.
Therefore, it is necessary to solve the above problems to invent a kind of paper pulp moulding product structure with reinforcing rib.
Invention content
The purpose of the present invention is to provide a kind of paper pulp moulding product structure with reinforcing rib, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical solution：A kind of paper pulp moulding product structure with reinforcing rib,
Including paper pulp die main body and upper paper pulp die cavity, the upper paper pulp die cavity is set in paper pulp die main body, and upper paper pulp die slot bottom end
Paper pulp die body lumen is extended to, the upper paper pulp die trench bottom both sides are respectively arranged with first time paper pulp die and second time paper pulp
Mould, the upper paper pulp die cavity, first time paper pulp die and second time paper pulp die outer wall are fixedly installed external reinforcing ribs, and described first
Lower paper pulp die and second time paper pulp die side wall inner cavity are provided with interior reinforcing rib.
Preferably, the paper pulp die main body, upper paper pulp die cavity, first time paper pulp die and second time paper pulp die are set in integration
It puts.
Preferably, the external reinforcing ribs are provided with multigroup, and multigroup external reinforcing ribs are in be uniformly distributed in vertically respectively
Paper pulp die cavity, first time paper pulp die and second time paper pulp die outer wall, each distance is set as between the adjacent external reinforcing ribs
1.5cm~2cm.
Preferably, the interior reinforcing rib is provided with multigroup, and multigroup external reinforcing ribs are uniformly distributed in the in vertical respectively
Once paper pulp die and second time paper pulp die side wall inner cavity, between each adjacent interior reinforcing rib distance be set as 0.5cm~
0.8cm。
The present invention also provides a kind of reinforcing rib adding method of the paper pulp moulding product structure with reinforcing rib, including following
Specific adding method：
Step 1：External reinforcing ribs are set：External reinforcing ribs side paper mould solution is smeared, and according to paper pulp die
Shape is uniformly arranged external reinforcing ribs according to 1.5cm~2cm distances, is then stood 5~8 minutes, is made external reinforcing ribs and mould
Tool is fixed, then is smeared on external reinforcing ribs surface with sodium chloride solution；
Step 2：Enter mould and the setting of interior reinforcing rib for the first time：Paper mould solution is injected in mold, injection rate is mold
The 1/2 of groove depth, and interior reinforcing rib is carried out according to 0.5cm~0.8cm distances in mold slots according to the position of design
Even arrangement, and interior reinforcing rib bottom end is inserted into paper mould solution, then carries out vibration 20~30 seconds to mold；
Step 3：Enter mould for the second time：Terminate in step 2 and then paper mould solution is injected into mold slots, then
Vibration is carried out 30~40 seconds to mold；
Step 4：Remove mould：After step 3 terminates, mold is placed and is solidified 4~5 hours under room temperature, treats paper mould
After solution solidification completely, mold is removed, so as to which paper pulp die be made.
Preferably, sodium chloride concentration is set as 2.5%~4.5% in step 1.
Preferably, between reinforcing rib, first paper mould solution is carried out quiet to 30~40 minutes in insertion in step 2,
Make paper mould solution that there is certain stability.
Preferably, paper pulp die obtained in step 4 need to polish to paper pulp mould surface obtained by sanding machine.
The technique effect and advantage of the present invention：
1st, paper pulp die side elevation is designed with the mode of vertical small interior reinforcing rib by the present invention, in product side elevation
It arranges an appropriate number of external reinforcing ribs, firm product profile forms can not only be played the role of, paper pulp can also be greatly improved
The stability of mould；
2nd, product of the invention under conditions of equal wall thickness, can strengthen the mechanical strength of product side wall, reach bigger
Mechanical test strength condition；
3rd, the present invention smears one side surface of external reinforcing ribs with sodium chloride solution, is conducive to carry out slightly external reinforcing ribs
Corrosion makes external reinforcing ribs surface that micropore shape be presented, and is conducive to enhance external reinforcing ribs and the adsorptivity of paper pulp die, so as to improve paper pulp
The intensity of mould.
Description of the drawings
The bottom that Fig. 1 is the present invention regards structure diagram.
Fig. 2 is the overlooking the structure diagram of the present invention.
Fig. 3 is the side elevational cross-section structure diagram of the present invention.
In figure：1 paper pulp die main body, paper pulp die cavity, 3 first time paper pulp die, 4 second time paper pulp die, 5 external reinforcing ribs, 6 on 2
Interior reinforcing rib.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of paper pulp moulding product structure with reinforcing rib as shown in Figs. 1-3, including paper pulp die master
Body 1 and upper paper pulp die cavity 2, the upper paper pulp die cavity 2 are set in paper pulp die main body 1, and upper 2 bottom end of paper pulp die cavity extends to paper
1 inner cavity of mould main body is starched, upper 2 two bottom sides of paper pulp die cavity are respectively arranged with first time paper pulp die 3 and second time paper pulp die 4,
The upper paper pulp die cavity 2, first time paper pulp die 3 and second time 4 outer wall of paper pulp die are fixedly installed external reinforcing ribs 5, and described
Once paper pulp die 3 and second time 4 side wall inner cavity of paper pulp die are provided with interior reinforcing rib 6.
The paper pulp die main body 1, upper paper pulp die cavity 2, first time paper pulp die 3 and second time paper pulp die 4 are in integrated setting,
The external reinforcing ribs 5 are provided with multigroup, and multigroup external reinforcing ribs 5 respectively in being uniformly distributed in paper pulp die cavity 2, first vertically
Lower paper pulp die 3 and second time 4 outer wall of paper pulp die, each distance is set as 1.5cm~2cm between the adjacent external reinforcing ribs 5, institute
It states interior reinforcing rib 6 and is provided with multigroup, multigroup external reinforcing ribs 5 are uniformly distributed in first time paper pulp die 3 and the in vertical respectively
Two times 4 side wall inner cavities of paper pulp die, each distance is set as 0.5cm~0.8cm between the adjacent interior reinforcing rib 6.
Embodiment 1：A kind of reinforcing rib adding method of the paper pulp moulding product structure with reinforcing rib, including adding in detail below
Adding method：
Step 1：External reinforcing ribs are set：5 side of external reinforcing ribs paper mould solution is smeared, and according to paper pulp die
Shape external reinforcing ribs 5 are uniformly arranged according to 1.5cm~2cm distances, then standing 5~8 minutes, make external reinforcing ribs 5
It is fixed with mold, then is smeared on 5 surface of external reinforcing ribs with a concentration of 2.5% sodium chloride solution, be conducive to externally
Reinforcing rib 5 carries out slight corrosion, makes 5 surface of external reinforcing ribs that micropore shape be presented, and is conducive to enhance external reinforcing ribs 5 and paper pulp die
Adsorptivity, so as to improve the intensity of paper pulp die；
Step 2：Enter mould and the setting of interior reinforcing rib for the first time：Paper mould solution is injected in mold, injection rate is mold
Then the 1/2 of groove depth carries out paper mould solution quiet to 30~40 minutes, paper mould solution is made to have certain consolidate
Property, being conducive to internal reinforcing rib 6 provides a support force, avoids when being put into interior reinforcing rib 6, the interior meeting of reinforcing rib 6 run-off the straight,
Finally interior reinforcing rib 6 is uniformly arranged, and interior according to 0.5cm~0.8cm distances in mold slots according to the position of design
6 bottom end of reinforcing rib is inserted into paper mould solution, is then carried out vibration 20~30 seconds to mold, is conducive to make the paper in mold slots
Slurry overmolding solution comes into full contact with, and so as to which the gas extrusion in paper mould solution be come out, avoids the presence of gas, makes obtained
There is bubble in paper pulp die, so as to be had an impact to the quality of paper pulp moulding product；
Step 3：Enter mould for the second time：Terminate in step 2 and then paper mould solution is injected into mold slots, then
Vibration is carried out 30~40 seconds to mold；
Step 4：Remove mould：After step 3 terminates, mold is placed and is solidified 4~5 hours under room temperature, treats paper mould
After solution solidification completely, mold is removed, so as to which paper pulp die be made, and need to be by sanding machine to being made by obtained paper pulp die
Paper pulp mould surface polish, be conducive to remove paper pulp mould surface burr, make paper pulp mould surface smooth, so as to improve paper pulp
The quality of mould.
Embodiment 2：A kind of reinforcing rib adding method of the paper pulp moulding product structure with reinforcing rib, including adding in detail below
Adding method：
Step 1：External reinforcing ribs are set：5 side of external reinforcing ribs paper mould solution is smeared, and according to paper pulp die
Shape external reinforcing ribs 5 are uniformly arranged according to 1.5cm~2cm distances, then standing 5~8 minutes, make external reinforcing ribs 5
It is fixed with mold, then is smeared on 5 surface of external reinforcing ribs with a concentration of 3.5% sodium chloride solution, be conducive to externally
Reinforcing rib 5 carries out slight corrosion, makes 5 surface of external reinforcing ribs that micropore shape be presented, and is conducive to enhance external reinforcing ribs 5 and paper pulp die
Adsorptivity, so as to improve the intensity of paper pulp die；
Step 2：Enter mould and the setting of interior reinforcing rib for the first time：Paper mould solution is injected in mold, injection rate is mold
Then the 1/2 of groove depth carries out paper mould solution quiet to 30~40 minutes, paper mould solution is made to have certain consolidate
Property, being conducive to internal reinforcing rib 6 provides a support force, avoids when being put into interior reinforcing rib 6, the interior meeting of reinforcing rib 6 run-off the straight,
Finally interior reinforcing rib 6 is uniformly arranged, and interior according to 0.5cm~0.8cm distances in mold slots according to the position of design
6 bottom end of reinforcing rib is inserted into paper mould solution, is then carried out vibration 20~30 seconds to mold, is conducive to make the paper in mold slots
Slurry overmolding solution comes into full contact with, and so as to which the gas extrusion in paper mould solution be come out, avoids the presence of gas, makes obtained
There is bubble in paper pulp die, so as to be had an impact to the quality of paper pulp die；
Step 3：Enter mould for the second time：Terminate in step 2 and then paper mould solution is injected into mold slots, then
Vibration is carried out 30~40 seconds to mold；
Step 4：Remove mould：After step 3 terminates, mold is placed and is solidified 4~5 hours under room temperature, treats paper mould
After solution solidification completely, mold is removed, so as to which paper pulp die be made, and need to be by sanding machine to being made by obtained paper pulp die
Paper pulp mould surface polish, be conducive to remove paper pulp mould surface burr, make paper pulp mould surface smooth, so as to improve paper pulp
The quality of mould.
Embodiment 3：A kind of reinforcing rib adding method of the paper pulp moulding product structure with reinforcing rib, including adding in detail below
Adding method：
Step 1：External reinforcing ribs are set：5 side of external reinforcing ribs paper mould solution is smeared, and according to paper pulp die
Shape external reinforcing ribs 5 are uniformly arranged according to 1.5cm~2cm distances, then standing 5~8 minutes, make external reinforcing ribs 5
It is fixed with mold, then is smeared on 5 surface of external reinforcing ribs with a concentration of 4.5% sodium chloride solution, be conducive to externally
Reinforcing rib 5 carries out slight corrosion, makes 5 surface of external reinforcing ribs that micropore shape be presented, and is conducive to enhance external reinforcing ribs 5 and paper pulp die
Adsorptivity, so as to improve the intensity of paper pulp die；
Step 2：Enter mould and the setting of interior reinforcing rib for the first time：Paper mould solution is injected in mold, injection rate is mold
Then the 1/2 of groove depth carries out paper mould solution quiet to 30~40 minutes, paper mould solution is made to have certain consolidate
Property, being conducive to internal reinforcing rib 6 provides a support force, avoids when being put into interior reinforcing rib 6, the interior meeting of reinforcing rib 6 run-off the straight,
Finally interior reinforcing rib 6 is uniformly arranged, and interior according to 0.5cm~0.8cm distances in mold slots according to the position of design
6 bottom end of reinforcing rib is inserted into paper mould solution, is then carried out vibration 20~30 seconds to mold, is conducive to make the paper in mold slots
Slurry overmolding solution comes into full contact with, and so as to which the gas extrusion in paper mould solution be come out, avoids the presence of gas, makes obtained
There is bubble in paper pulp die, so as to be had an impact to the quality of paper pulp die；
Step 3：Enter mould for the second time：Terminate in step 2 and then paper mould solution is injected into mold slots, then
Vibration is carried out 30~40 seconds to mold；
Step 4：Remove mould：After step 3 terminates, mold is placed and is solidified 4~5 hours under room temperature, treats paper mould
After solution solidification completely, mold is removed, so as to which paper pulp die be made, and need to be by sanding machine to being made by obtained paper pulp die
Paper pulp mould surface polish, be conducive to remove paper pulp mould surface burr, make paper pulp mould surface smooth, so as to improve paper pulp
The quality of mould.
It is made by embodiment 1-3 it is found that when being smeared with a concentration of 3.5% sodium chloride 5 surface of external reinforcing ribs
The paper pulp die intensity obtained is best.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (8)
1. a kind of paper pulp moulding product structure with reinforcing rib, including paper pulp die main body (1) and upper paper pulp die cavity (2), feature
It is：The upper paper pulp die cavity (2) is set in paper pulp die main body (1), and upper paper pulp die cavity (2) bottom end extends to paper pulp die master
Body (1) inner cavity, upper paper pulp die cavity (2) two bottom sides are respectively arranged with first time paper pulp die (3) and second time paper pulp die
(4), the upper paper pulp die cavity (2), first time paper pulp die (3) and second time paper pulp die (4) outer wall are fixedly installed outer reinforcement
Muscle (5), first time paper pulp die (3) and second time paper pulp die (4) side wall inner cavity are provided with interior reinforcing rib (6).
2. a kind of paper pulp moulding product structure with reinforcing rib according to claim 1, it is characterised in that：The paper pulp die
Main body (1), upper paper pulp die cavity (2), first time paper pulp die (3) and second time paper pulp die (4) are in integrated setting.
3. a kind of paper pulp moulding product structure with reinforcing rib according to claim 1, it is characterised in that：The outer reinforcement
Muscle (5) is provided with multigroup, and multigroup external reinforcing ribs (5) respectively in being uniformly distributed in paper pulp die cavity (2), first time paper vertically
Mould (3) and second time paper pulp die (4) outer wall are starched, distance is set as 1.5cm~2cm between each adjacent external reinforcing ribs (5).
4. a kind of paper pulp moulding product structure with reinforcing rib according to claim 1, it is characterised in that：The interior reinforcement
Muscle (6) is provided with multigroup, and multigroup external reinforcing ribs (5) respectively in being uniformly distributed in first time paper pulp die (3) and second vertically
Lower paper pulp die (4) side wall inner cavity, each distance is set as 0.5cm~0.8cm between the adjacent interior reinforcing rib (6).
5. a kind of reinforcing rib adding method of paper pulp moulding product structure with reinforcing rib according to claim 1-4,
It is characterized in that, including adding method in detail below：
Step 1：External reinforcing ribs are set：External reinforcing ribs (5) side paper mould solution is smeared, and according to paper pulp die
Shape is uniformly arranged external reinforcing ribs (5) according to 1.5cm~2cm distances, is then stood 5~8 minutes, is made external reinforcing ribs
(5) it is fixed with mold, then is smeared on external reinforcing ribs (5) surface with sodium chloride solution, be conducive to external reinforcing ribs (5)
Slight corrosion is carried out, makes external reinforcing ribs (5) surface that micropore shape be presented, is conducive to enhance external reinforcing ribs (5) and the suction of paper pulp die
Attached property, so as to improve the intensity of paper pulp die；
Step 2：Enter mould and the setting of interior reinforcing rib for the first time：Paper mould solution is injected in mold, injection rate is mold groove depth
The 1/2 of degree, and interior reinforcing rib (6) carried out according to 0.5cm~0.8cm distances in mold slots according to the position of design uniform
Arrangement, and interior reinforcing rib (6) bottom end is inserted into paper mould solution, is then carried out vibration 20~30 seconds to mold, is conducive to make
Paper mould solution in mold slots comes into full contact with, and so as to which the gas extrusion in paper mould solution be come out, avoids gas
In the presence of making there is bubble in paper pulp die obtained, so as to be had an impact to the quality of paper pulp die；
Step 3：Enter mould for the second time：Terminate in step 2 and then paper mould solution is injected into mold slots, then to mould
Tool carries out vibration 30~40 seconds；
Step 4：Remove mould：After step 3 terminates, mold is placed and is solidified 4~5 hours under room temperature, treats paper mould solution
Completely after solidification, mold is removed, so as to which paper pulp die be made.
6. a kind of reinforcing rib adding method of paper pulp moulding product structure with reinforcing rib according to claim 5, special
Sign is：Sodium chloride concentration is set as 2.5%~4.5% in step 1.
7. a kind of reinforcing rib adding method of paper pulp moulding product structure with reinforcing rib according to claim 5, special
Sign is：It is first that the progress of paper mould solution is quiet to 30~40 minutes in step 2 in insertion between reinforcing rib (6), make paper
Starching overmolding solution has certain stability, is conducive to internal reinforcing rib (6) and provides a support force, avoids being put into interior reinforcement
During muscle (6), interior reinforcing rib (6) can run-off the straight.
8. a kind of reinforcing rib adding method of paper pulp moulding product structure with reinforcing rib according to claim 5, special
Sign is：Obtained paper pulp die need to polish to paper pulp mould surface obtained by sanding machine in step 4, be conducive to
Except the burr of paper pulp mould surface, make paper pulp mould surface smooth, so as to improve the quality of paper pulp die product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124363.4A CN108166331B (en) | 2018-02-07 | 2018-02-07 | Paper pulp molding product structure with reinforcing ribs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124363.4A CN108166331B (en) | 2018-02-07 | 2018-02-07 | Paper pulp molding product structure with reinforcing ribs |
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| Publication Number | Publication Date |
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| CN108166331A true CN108166331A (en) | 2018-06-15 |
| CN108166331B CN108166331B (en) | 2024-06-04 |
Family
ID=62513190
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| CN201810124363.4A Active CN108166331B (en) | 2018-02-07 | 2018-02-07 | Paper pulp molding product structure with reinforcing ribs |
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| CN202208451U (en) * | 2011-07-27 | 2012-05-02 | 银川市富邦印刷包装有限公司 | Shockproof inner lining for packing box |
| CN107175846A (en) * | 2017-06-09 | 2017-09-19 | 福建利树股份有限公司 | A kind of Low-gram-weight reinforced lightweight corrugated carton production technology |
| CN207891649U (en) * | 2018-02-07 | 2018-09-21 | 永发（河南）模塑科技发展有限公司 | A kind of paper pulp moulding product structure with reinforcing rib |
-
2018
- 2018-02-07 CN CN201810124363.4A patent/CN108166331B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2310084Y (en) * | 1997-11-07 | 1999-03-10 | 吴铁范 | Fast food box |
| CN1597454A (en) * | 2003-09-15 | 2005-03-23 | 刘胜祥 | Full paper pallet box |
| CN201095477Y (en) * | 2007-06-26 | 2008-08-06 | 苏州爱绿纸塑有限公司 | Paper pulp molding cushioning mounting |
| CN202208451U (en) * | 2011-07-27 | 2012-05-02 | 银川市富邦印刷包装有限公司 | Shockproof inner lining for packing box |
| CN107175846A (en) * | 2017-06-09 | 2017-09-19 | 福建利树股份有限公司 | A kind of Low-gram-weight reinforced lightweight corrugated carton production technology |
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Non-Patent Citations (1)
| Title |
|---|
| 宋宝丰主编: "包装容器结构设计与制造（第二版）", vol. 2016, 文化发展出版社, pages: 113 - 115 * |
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| CN108166331B (en) | 2024-06-04 |
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