CN113564961A - Pulp distributor for uniform distribution of paper pulp - Google Patents
Pulp distributor for uniform distribution of paper pulp Download PDFInfo
- Publication number
- CN113564961A CN113564961A CN202110783482.2A CN202110783482A CN113564961A CN 113564961 A CN113564961 A CN 113564961A CN 202110783482 A CN202110783482 A CN 202110783482A CN 113564961 A CN113564961 A CN 113564961A
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- China
- Prior art keywords
- pulp
- groups
- sets
- bevel gear
- base plate
- 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
- 238000009827 uniform distribution Methods 0.000 title claims description 14
- 229920001131 Pulp (paper) Polymers 0.000 title description 24
- 238000003860 storage Methods 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 244000309464 bull Species 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 2
- 239000013055 pulp slurry Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 12
- 238000009826 distribution Methods 0.000 description 9
- 239000004744 fabric Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F13/00—Making discontinuous sheets of paper, pulpboard or cardboard, or of wet web, for fibreboard production
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/28—Tanks for storing or agitating pulp
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention relates to the technical field of papermaking, in particular to a pulp uniformly distributing and distributing device which can realize automatic uniform distributing and distributing, reduce manual operation and improve the working efficiency and the distributing and distributing effect of a device; the rotary plate feeding device comprises a base plate, a storage cylinder, two sets of crossbeams, two sets of racks, a rotating shaft, two sets of axle seats, two sets of gears, first bevel gear, the bull stick, second bevel gear, the multiunit rotor plate, the discharging pipe, two sets of walking subassemblies and ejection of compact control assembly, the symmetry is installed at the base plate up end around two sets of walking subassemblies, two sets of walking subassemblies are respectively through two sets of crossbeams and storage cylinder fixed connection, the symmetry is installed at the base plate up end around two sets of racks, the terminal surface under the storage cylinder is installed through two sets of axle seats rotation ann in the pivot, two sets of gears respectively with the pivot around both ends fixed connection, and two sets of gears respectively with two sets of rack intermeshing, first bevel gear fixed mounting is in the pivot, the bull stick rotates and installs inside the storage cylinder, and be equipped with the multiunit rotor plate on the bull stick.
Description
Technical Field
The invention relates to the technical field of papermaking, in particular to a pulp distributor for uniformly distributing paper pulp.
Background
In the paper production process, in order to guarantee the roughness and the thin and thick degree of paper, the evenly distributed degree of paper pulp need be controlled, and traditional paper pulp mainly carries out branch thick liquid and cloth through the manual work, and such production mode leads to work efficiency slow to be difficult to guarantee the homogeneity of branch thick liquid, easily lead to branch thick liquid cloth effect poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides the pulp uniformly distributing and distributing device for the paper pulp, which can realize automatic uniform distribution and distribution, reduce manual operation and improve the working efficiency and the pulp distributing and distributing effect of the device.
The invention relates to a pulp uniformly distributing and separating device for paper pulp, which comprises a base plate, a storage barrel, two groups of beams, two groups of racks, a rotating shaft, two groups of shaft seats, two groups of gears, a first bevel gear, a rotating rod, a second bevel gear, a plurality of groups of rotating plates, a discharging pipe, two groups of walking components and a discharging control component, wherein the two groups of walking components are symmetrically arranged on the upper end surface of the base plate from front to back, are respectively and fixedly connected with the storage barrel through the two groups of beams, the two groups of racks are symmetrically arranged on the upper end surface of the base plate from front to back, the rotating shaft is arranged on the lower end surface of the storage barrel through the two groups of rotating shaft seats, the two groups of gears are respectively and fixedly connected with the front and back ends of the rotating shaft, are respectively and mutually meshed with the two groups of racks, the first bevel gear is fixedly arranged on the rotating shaft, the rotating rod is rotatably arranged in the storage barrel, is provided with the plurality of rotating plates, the lower end of the rotating rod passes through the bottom end surface of the storage barrel and is fixedly connected with the second bevel gear, the second bevel gear is meshed with the first bevel gear, the discharging pipe is formed by arranging a plurality of monomer pipes, the upper end of the discharging pipe is communicated and installed on the left part of the lower end face of the material storage barrel, and the discharging control assembly is installed on the discharging pipe.
The invention relates to a pulp distributor for uniformly distributing paper pulp, wherein a walking assembly comprises a guide rail, a wheel carrier, two groups of rotating wheels, a motor and a motor base, the guide rail is fixedly arranged on the upper end surface of a base plate, the wheel carrier is fixedly connected with the outer side end of a cross beam, the two groups of rotating wheels are bilaterally symmetrically and rotatably arranged on the wheel carrier, the rotating wheels are in rolling connection with the guide rail, the motor is fixedly arranged on the wheel carrier through the motor base, and the output end of the motor is fixedly connected with the rotating wheel at the right part.
The invention relates to a pulp distributor for uniformly distributing paper pulp, wherein a discharge control assembly comprises a first hinged support, a second hinged support, a baffle and an electric cylinder, wherein the first hinged support and the second hinged support are fixedly arranged on a discharge pipe, the position close to the upper middle of the baffle is hinged to the second hinged support, the fixed end of the electric cylinder is hinged to the first hinged support, and the output end of the electric cylinder is hinged to the upper end of the baffle.
The invention relates to a pulp distributor for uniformly distributing paper pulp, which further comprises a protective cover, wherein the protective cover is fixedly covered on the lower end surface of a storage cylinder, a rotating shaft penetrates through the protective cover, and a first bevel gear and a second bevel gear are both arranged in the protective cover.
The paper pulp uniform distribution pulp separator also comprises a plurality of groups of collecting discs, and the plurality of groups of collecting discs are transversely arranged on the upper end surface of the base plate.
According to the pulp distributor for uniformly distributing the paper pulp, the oil injection holes are formed in the protective cover.
According to the uniform pulp distribution separator for the paper pulp, the outer surface of the protective cover is provided with the antirust coating.
According to the uniform pulp distribution and separation device for the paper pulp, the oil injection hole is sealed and provided with the rubber plug.
Compared with the prior art, the invention has the beneficial effects that: the storage section of thick bamboo carries out lateral shifting through the walking subassembly, under the effect of axle bed, make the pivot drive gear lateral shifting, and use under the cooperation of rack, make the gear rotate in lateral shifting, thereby make the pivot drive first bevel gear rotate, use through the cooperation of second bevel gear, make the bull stick drive the rotor plate and rotate, thereby stir and propelling movement to the thick liquid, make the thick liquid pass through the discharging pipe and discharge, thereby can realize automatic even thick liquid cloth that divides, reduce manual operation, the work efficiency of the device is improved.
Drawings
FIG. 1 is a schematic view of a first axial view and a partial cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of a second axial structure of the present invention;
FIG. 3 is a partially enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic top view of the present invention;
in the drawings, the reference numbers: 1. a substrate; 2. a storage cylinder; 3. a cross beam; 4. a rack; 5. a rotating shaft; 6. a shaft seat; 7. a gear; 8. a first bevel gear; 9. a rotating rod; 10. a second bevel gear; 11. rotating the plate; 12. a discharge pipe; 13. a guide rail; 14. a wheel carrier; 15. a rotating wheel; 16. a motor; 17. a motor base; 18. a first hinge support; 19. a second hinge support; 20. a baffle plate; 21. an electric cylinder; 22. a protective cover; 23. a collection tray.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in figures 1 to 4, the uniform distribution and pulp distribution device for paper pulp comprises a base plate 1, a storage barrel 2, two sets of beams 3, two sets of racks 4, a rotating shaft 5, two sets of shaft seats 6, two sets of gears 7, a first bevel gear 8, a rotating rod 9, a second bevel gear 10, a plurality of sets of rotating plates 11, a discharge pipe 12, two sets of walking components and a discharge control component, wherein the two sets of walking components are symmetrically arranged on the upper end surface of the base plate 1 from front to back, the two sets of walking components are respectively and fixedly connected with the storage barrel 2 through the two sets of beams 3, the two sets of racks 4 are symmetrically arranged on the upper end surface of the base plate 1 from front to back, the rotating shaft 5 is rotatably arranged on the lower end surface of the storage barrel 2 through the two sets of shaft seats 6, the two sets of gears 7 are respectively and fixedly connected with the front and back ends of the rotating shaft 5, the two sets of gears 7 are respectively meshed with the two sets of racks 4, the first bevel gear 8 is fixedly arranged on the rotating shaft 5, the rotating rod 9 is rotatably arranged inside the storage barrel 2, a plurality of groups of rotating plates 11 are arranged on the rotating rod 9, the lower end of the rotating rod 9 penetrates through the bottom end face of the storage barrel 2 and is fixedly connected with a second bevel gear 10, the second bevel gear 10 is meshed with a first bevel gear 8, a discharge pipe 12 is formed by arranging a plurality of single pipes, the upper end of the discharge pipe 12 is communicated and installed at the left part of the lower end face of the storage barrel 2, and a discharge control assembly is installed on the discharge pipe 12; storage section of thick bamboo 2 carries out lateral shifting through the walking subassembly, under the effect of axle bed 6, make pivot 5 drive gear 7 lateral shifting, and use under the cooperation of rack 4, make gear 7 rotate in lateral shifting, thereby make pivot 5 drive first bevel gear 8 rotate, cooperation through second bevel gear 10 is used, make bull stick 9 drive commentaries on classics board 11 rotate, thereby stir and propelling movement the thick liquid, make the thick liquid pass through discharging pipe 12 and discharge, thereby can realize automatic even branch thick liquid cloth, reduce manual operation, the work efficiency of the improvement device.
The invention relates to a pulp distributor for uniformly distributing paper pulp, wherein a walking component comprises a guide rail 13, a wheel frame 14, two groups of rotating wheels 15, a motor 16 and a motor base 17, the guide rail 13 is fixedly arranged on the upper end surface of a base plate 1, the wheel frame 14 is fixedly connected with the outer side end of a cross beam 3, the two groups of rotating wheels 15 are bilaterally symmetrically and rotatably arranged on the wheel frame 14, the rotating wheels 15 are in rolling connection with the guide rail 13, the motor 16 is fixedly arranged on the wheel frame 14 through the motor base 17, and the output end of the motor 16 is fixedly connected with the rotating wheel 15 at the right part; the runner 15 moves under the drive of the motor 16, and the storage barrel 2 can be driven to automatically move through the matching of the wheel frame 14 and the cross beam 3, so that the operability and the automation degree of the device are improved.
The invention relates to a pulp distributor for uniformly distributing paper pulp, wherein a discharge control component comprises a first hinged support 18, a second hinged support 19, a baffle plate 20 and an electric cylinder 21, wherein the first hinged support 18 and the second hinged support 19 are both fixedly arranged on a discharge pipe 12, the position close to the middle of the baffle plate 20 is hinged with the second hinged support 19, the fixed end of the electric cylinder 21 is hinged with the first hinged support 18, and the output end of the electric cylinder 21 is hinged with the upper end of the baffle plate 20; by providing the baffle 20, the lower end of the discharge pipe 12 can be capped, and the opening and closing of the baffle 20 can be controlled by the electric cylinder 21, so that the outflow of the pulp can be controlled, and the operability of the device can be improved.
The uniform pulp distribution and separation device for the paper pulp further comprises a protective cover 22, the protective cover 22 is fixedly covered on the lower end face of the storage cylinder 2, the rotating shaft 5 penetrates through the protective cover 22, and the first bevel gear 8 and the second bevel gear 10 are both positioned inside the protective cover 22; through setting up protection casing 22, can effectively protect first bevel gear 8 and bull stick 9, reduce external environment factor and influence the normal transmission between first bevel gear 8 and the bull stick 9, improve the reliability of the work of device.
The uniform distribution pulp distributor for paper pulp further comprises a plurality of groups of collecting trays 23, wherein the plurality of groups of collecting trays 23 are transversely arranged on the upper end surface of the base plate 1; through setting up collecting tray 23, can collect paper pulp, make paper pulp can tile at collecting tray 23 inside to accomplish and divide thick liquid.
According to the uniform pulp distribution and separation device for the paper pulp, oil injection holes are formed in the protective cover 22; the protective cover 22 is oiled through the oil injection hole, and can lubricate the joint of the first bevel gear 8 and the second bevel gear 10, thereby improving the smooth operation of the device.
According to the uniform pulp distribution separator for paper pulp, the outer surface of the protective cover 22 is provided with the antirust coating; with the above arrangement, the corrosion prevention performance of the protection cover 22 is improved.
According to the uniform pulp distribution and separation device for the paper pulp, the rubber plug is hermetically arranged on the oil injection hole; through above-mentioned setting, reduce the condition that the foreign matter enters into the oil filler point.
The invention relates to a pulp uniform distribution and distribution device, which works by firstly uniformly distributing and transversely arranging a plurality of groups of collecting discs 23 on the upper end surface of a base plate 1, then pouring pulp into a storage cylinder 2, then starting a motor 16, rotating a rotating wheel 15 under the driving of the motor 16 so as to drive a device to move rightwards, driving the storage cylinder 2 to move rightwards through the matching use of a wheel carrier 14 and a cross beam 3, starting an electric cylinder 21 when a discharge pipe 12 moves right above the left end of the collecting discs 23, enabling a baffle plate 20 to rotate around a second hinged support 19 so as to open the lower end of the discharge pipe 12, enabling a rotating shaft 5 to drive a gear 7 to transversely move under the action of a shaft seat 6 along with the movement of the storage cylinder 2, enabling the gear 7 to transversely move and simultaneously rotate under the matching use of a rack 4 so as to enable the rotating shaft 5 to drive a first bevel gear 8 to rotate, the cooperation through second bevel gear 10 is used, makes bull stick 9 drive rotor plate 11 rotate to stir and the propelling movement to the thick liquid, the thick liquid through discharging pipe 12 discharge and tiling in collecting tray 23 inside can, whenever change a set of collecting tray 23, electric jar 21 just drives baffle 20 and closes once, until work completion can.
The installation mode, the connection mode or the arrangement mode of the pulp uniformly distributing and distributing device provided by the invention are common mechanical modes, and the pulp uniformly distributing and distributing device can be implemented as long as the beneficial effects of the pulp uniformly distributing and distributing device are achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A pulp distributor for uniformly distributing pulp is characterized by comprising a base plate (1), a storage barrel (2), two groups of beams (3), two groups of racks (4), a rotating shaft (5), two groups of shaft seats (6), two groups of gears (7), a first bevel gear (8), a rotating rod (9), a second bevel gear (10), a plurality of groups of rotating plates (11), a discharging pipe (12), two groups of walking components and a discharging control component, wherein the two groups of walking components are symmetrically arranged on the upper end surface of the base plate (1) in the front-back direction, the two groups of walking components are respectively and fixedly connected with the storage barrel (2) through the two groups of beams (3), the two groups of racks (4) are symmetrically arranged on the upper end surface of the base plate (1) in the front-back direction, the rotating shaft (5) is rotatably arranged on the lower end surface of the storage barrel (2) through the two groups of shaft seats (6), the two groups of gears (7) are respectively and fixedly connected with the front end and the rear end of the rotating shaft (5), and the two groups of gears (7) are respectively meshed with the two groups of racks (4), first bevel gear (8) fixed mounting is on pivot (5), bull stick (9) are rotated and are installed inside storage cylinder (2), and be equipped with multiunit rotor plate (11) on bull stick (9), bull stick (9) lower extreme pass storage cylinder (2) bottom face and with second bevel gear (10) fixed connection, second bevel gear (10) and first bevel gear (8) intermeshing, discharging pipe (12) are formed by a plurality of monomer pipe range, the terminal surface left part is installed under storage cylinder (2) in discharging pipe (12) upper end intercommunication, ejection of compact control unit mount is on discharging pipe (12).
2. The pulp distributor for uniform distribution of pulp slurry according to claim 1, wherein the walking assembly comprises a guide rail (13), a wheel frame (14), two sets of rotating wheels (15), a motor (16) and a motor base (17), the guide rail (13) is fixedly arranged on the upper end surface of the base plate (1), the wheel frame (14) is fixedly connected with the outer side end of the cross beam (3), the two sets of rotating wheels (15) are bilaterally symmetrically and rotatably arranged on the wheel frame (14), the rotating wheels (15) are in rolling connection with the guide rail (13), the motor (16) is fixedly arranged on the wheel frame (14) through the motor base (17), and the output end of the motor (16) is fixedly connected with the rotating wheel (15) at the right part.
3. The pulp uniform distribution pulp distributor according to claim 1, characterized in that the discharge control assembly comprises a first hinged support (18), a second hinged support (19), a baffle plate (20) and an electric cylinder (21), the first hinged support (18) and the second hinged support (19) are both fixedly installed on the discharge pipe (12), the position on the middle of the baffle plate (20) is hinged with the second hinged support (19), the fixed end of the electric cylinder (21) is hinged with the first hinged support (18), and the output end of the electric cylinder (21) is hinged with the upper end of the baffle plate (20).
4. A pulp uniform distribution pulp distributor according to claim 3, characterized by further comprising a protective cover (22), wherein the protective cover (22) is fixedly covered on the lower end surface of the storage cylinder (2), the rotating shaft (5) penetrates through the protective cover (22), and the first bevel gear (8) and the second bevel gear (10) are both arranged inside the protective cover (22).
5. A pulp distributor for uniform distribution of pulp according to claim 4, characterized in that it further comprises a plurality of groups of collecting trays (23), the groups of collecting trays (23) being arranged transversely on the upper end surface of the base plate (1).
6. A pulp distributor for uniform distribution of pulp, as in claim 4, characterized in that the protective cover (22) is provided with oil holes.
7. A pulp distributor for uniform distribution of pulp, according to claim 4, characterized in that the outer surface of the protecting cover (22) is provided with a rust-proof coating.
8. A pulp distributor for uniform distribution of pulp as recited in claim 6, wherein the oil injection hole is sealed with a rubber plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783482.2A CN113564961A (en) | 2021-07-12 | 2021-07-12 | Pulp distributor for uniform distribution of paper pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783482.2A CN113564961A (en) | 2021-07-12 | 2021-07-12 | Pulp distributor for uniform distribution of paper pulp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113564961A true CN113564961A (en) | 2021-10-29 |
Family
ID=78164374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110783482.2A Pending CN113564961A (en) | 2021-07-12 | 2021-07-12 | Pulp distributor for uniform distribution of paper pulp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113564961A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109234944A (en) * | 2018-12-03 | 2019-01-18 | 修佳伟 | A kind of textile quetsch |
| CN208501371U (en) * | 2018-06-16 | 2019-02-15 | 华北理工大学 | A kind of office's waste paper recyclable device |
| CN109355829A (en) * | 2018-12-03 | 2019-02-19 | 修佳伟 | A kind of quetsch for textile cloth |
| CN208594417U (en) * | 2018-08-18 | 2019-03-12 | 浙江省诸暨市中太造纸机械有限公司 | A kind of head box of controllable flow slurry rate |
| CN109518516A (en) * | 2019-01-17 | 2019-03-26 | 卢俊超 | Convenient for the fishing paper equipment of vat pulp |
| CN209428835U (en) * | 2018-12-06 | 2019-09-24 | 青岛华阳恒晟新材料有限公司 | A kind of wet forming device of ultra-fine basalt fiber super thick fibrofelt |
| CN111730916A (en) * | 2020-07-03 | 2020-10-02 | 合肥宏图彩印有限公司 | Production process for preparing high-strength corrugated packing paper by using mineral fibers |
| CN212560919U (en) * | 2020-05-13 | 2021-02-19 | 山东安尼麦特仪器有限公司 | Paper sheet former |
-
2021
- 2021-07-12 CN CN202110783482.2A patent/CN113564961A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208501371U (en) * | 2018-06-16 | 2019-02-15 | 华北理工大学 | A kind of office's waste paper recyclable device |
| CN208594417U (en) * | 2018-08-18 | 2019-03-12 | 浙江省诸暨市中太造纸机械有限公司 | A kind of head box of controllable flow slurry rate |
| CN109234944A (en) * | 2018-12-03 | 2019-01-18 | 修佳伟 | A kind of textile quetsch |
| CN109355829A (en) * | 2018-12-03 | 2019-02-19 | 修佳伟 | A kind of quetsch for textile cloth |
| CN209428835U (en) * | 2018-12-06 | 2019-09-24 | 青岛华阳恒晟新材料有限公司 | A kind of wet forming device of ultra-fine basalt fiber super thick fibrofelt |
| CN109518516A (en) * | 2019-01-17 | 2019-03-26 | 卢俊超 | Convenient for the fishing paper equipment of vat pulp |
| CN212560919U (en) * | 2020-05-13 | 2021-02-19 | 山东安尼麦特仪器有限公司 | Paper sheet former |
| CN111730916A (en) * | 2020-07-03 | 2020-10-02 | 合肥宏图彩印有限公司 | Production process for preparing high-strength corrugated packing paper by using mineral fibers |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211029 |
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| RJ01 | Rejection of invention patent application after publication |