CN112589575A - Burr processing tool for machining of lining structure for automobile - Google Patents
Burr processing tool for machining of lining structure for automobile Download PDFInfo
- Publication number
- CN112589575A CN112589575A CN202011467941.8A CN202011467941A CN112589575A CN 112589575 A CN112589575 A CN 112589575A CN 202011467941 A CN202011467941 A CN 202011467941A CN 112589575 A CN112589575 A CN 112589575A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- box body
- box
- electric telescopic
- telescopic rod
- 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
- 238000003754 machining Methods 0.000 title claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 30
- 238000005498 polishing Methods 0.000 claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a burr treatment tool for machining a lining structure for an automobile, which comprises a box body, wherein a box door is arranged on the box body, the top of the inner wall of the box body is fixedly connected with a first electric telescopic rod, the bottom of the first electric telescopic rod is fixedly connected with a pressing plate, one side of the inner wall of the box body is fixedly connected with a dust absorption box, two U-shaped plates are fixedly connected to two sides of the inner wall of the dust absorption box, a filter plate is arranged between the two U-shaped plates, and the top of the dust absorption box is fixedly connected with a suction pump. According to the invention, the first electric telescopic rod 3 drives the pressing plate 4 to downwards extrude the fixed bushing, so that the phenomenon that hands are possibly damaged due to manual supporting and fixing is avoided, and meanwhile, the driving motor drives the rotating gear to rotate and simultaneously drives the driven gear to rotate, so that the first polishing piece and the second polishing piece are driven to rotate, and the interior and the exterior of the bushing are simultaneously polished, so that the polishing speed is greatly improved, the working efficiency is increased, and the use of people is facilitated.
Description
Technical Field
The invention relates to a burr treatment tool, in particular to a burr treatment tool for machining a lining structure for an automobile.
Background
The lining is a matching part used outside mechanical parts to achieve the functions of sealing, wear protection and the like, and is a ring sleeve playing the role of a gasket. In the field of valve applications, the liner is located within the valve cover, and is typically made of a corrosion resistant material such as polytetrafluoroethylene or graphite for sealing.
After general bush production comes out, some burrs can appear in some products, before reusing, if do not polish, can go wrong during the use to influence whole use, and present burr treatment frock needs artifical the support to polish mostly, can injure the people hand when polishing, and the dust that produces moreover also can be absorbed by the staff, causes harm to staff's health.
Disclosure of Invention
The invention aims to provide a deburring tool for machining a lining structure for an automobile, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a burr treatment tool for machining of an automobile lining structure comprises a box body, wherein a box door is arranged on the box body, a first electric telescopic rod is fixedly connected to the top of the inner wall of the box body, a pressing plate is fixedly connected to the bottom of the first electric telescopic rod, a dust suction box is fixedly connected to one side of the inner wall of the box body, two U-shaped plates are fixedly connected to two sides of the inner wall of the dust suction box, a filter plate is arranged between the two U-shaped plates, a suction pump is fixedly connected to the top of the dust suction box, an air inlet pipeline is fixedly connected to an air inlet of the suction pump, a dust suction hood is fixedly connected to one side of the dust suction box, a workbench is fixedly connected to the bottom of the inner wall of the box body, a mounting groove is formed in the workbench, a first through hole is formed in the workbench, a second through hole is formed in the workbench, the top fixedly connected with fixed plate of second electric telescopic handle, the top fixedly connected with driving motor of fixed plate, driving motor's output fixedly connected with rotating gear, the first piece of polishing of rotating gear's top fixedly connected with, the top fixedly connected with axis of rotation of fixed plate, the top fixedly connected with driven gear of axis of rotation, the top fixedly connected with second of driven gear polishes the piece, be provided with the bush on the workstation.
As a further scheme of the invention: the first polishing piece penetrates through the first through opening and extends to the interior of the box body.
As a still further scheme of the invention: the second grinding piece penetrates through the second opening and extends to the interior of the box body.
As a still further scheme of the invention: the rotating gear is engaged with the driven gear.
As a still further scheme of the invention: the number of the second electric telescopic rods is two.
As a still further scheme of the invention: the gas outlet of suction pump runs through the box and extends to the outside of box, inlet duct with the dust absorption box intercommunication.
According to the invention, the first electric telescopic rod 3 drives the pressing plate 4 to downwards extrude the fixed bushing, so that the phenomenon that hands are possibly damaged due to manual supporting and fixing is avoided, and meanwhile, the driving motor drives the rotating gear to rotate and simultaneously drives the driven gear to rotate, so that the first polishing piece and the second polishing piece are driven to rotate, and the interior and the exterior of the bushing are simultaneously polished, so that the polishing speed is greatly improved, the working efficiency is increased, and the use of people is facilitated.
Drawings
Fig. 1 is an external structural view of a deburring tool for machining a bush structure for an automobile.
Fig. 2 is a schematic view of the internal structure of a deburring tool for machining a bush structure for an automobile.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1-box body, 2-box door, 3-first electric telescopic rod, 4-pressing plate, 5-dust suction box, 6-U-shaped plate, 7-filtering plate, 8-suction pump, 9-air inlet pipeline, 10-dust suction hood, 11-workbench, 12-mounting groove, 13-first through hole, 14-second through hole, 15-second electric telescopic rod, 16-fixing plate, 17-driving motor, 18-rotating gear, 19-first polishing piece, 20-rotating shaft, 21-driven gear, 22-second polishing piece and 23-bush.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, a deburring tool for machining a lining structure for an automobile includes a box body 1, a box door 2 is disposed on the box body 1, a first electric telescopic rod 3 is fixedly connected to the top of the inner wall of the box body 1, a pressing plate 4 is fixedly connected to the bottom of the first electric telescopic rod 3, a dust suction box 5 is fixedly connected to one side of the inner wall of the box body 1, two U-shaped plates 6 are fixedly connected to both sides of the inner wall of the dust suction box 5, a filter plate 7 is disposed between the two U-shaped plates 6, a suction pump 8 is fixedly connected to the top of the dust suction box 5, an air inlet of the suction pump 8 is fixedly connected to an air inlet pipe 9, a dust suction hood 10 is fixedly connected to one side of the dust suction box 5, a worktable 11 is fixedly connected to the bottom of the inner wall of the box body 1, an installation groove 12 is disposed on the, the second opening 14 has been seted up on workstation 11, the bottom fixedly connected with second electric telescopic handle 15 of mounting groove 12 inner wall, the top fixedly connected with fixed plate 16 of second electric telescopic handle 15, the top fixedly connected with driving motor 17 of fixed plate 16, driving motor 17's output fixedly connected with rotating gear 18, the first piece 19 of polishing of top fixedly connected with of rotating gear 18, the top fixedly connected with axis of rotation 20 of fixed plate 16, the top fixedly connected with driven gear 21 of axis of rotation 20, the top fixedly connected with second piece 22 of polishing of driven gear 21, be provided with bush 23 on workstation 11.
The driving motor 17 is a servo motor, and is connected to an external power supply and a control switch.
The filter 7 prevents dust to the suction pump 8, avoids the dust by the suction pump 8, influences the suction pump 8 and uses.
The first sanding element 19 extends through the first opening 13 and into the interior of the housing 1.
The second sanding element 22 extends through the second opening 14 and into the interior of the housing 1.
The rotation gear 18 is engaged with the driven gear 21.
The number of the second electric telescopic rods 15 is two.
The gas outlet of the suction pump 8 penetrates through the box body 1 and extends to the outside of the box body 1, and the air inlet pipeline 9 is communicated with the dust collection box 5.
The working principle of the invention is as follows:
s1, before polishing, opening the box door 2, starting the second electric telescopic rod 15, enabling the second electric telescopic rod 15 to drive the fixing plate 16 to ascend, so as to drive the driving motor 17 and the rotating shaft 20 to ascend, further drive the first polishing piece 19 and the second polishing piece 22 to ascend and move out of the mounting groove 12, then sleeving the bush 23 on the outer portion of the first polishing piece 19, starting the first electric telescopic rod 3, enabling the first electric telescopic rod 3 to drive the pressing plate 4 to downwards extrude the bush 23, so as to fix the bush, starting the driving motor 17, enabling the driving motor 17 to drive the rotating gear 18 to rotate, enabling the rotating gear 18 to drive the first polishing piece 19 to rotate, further polishing the inner portion of the bush 23, enabling the rotating gear 18 to drive the driven gear 21 to rotate, further drive the second polishing piece 22, and polishing the outer portion of the bush;
s2, dust appearing during polishing starts the suction pump 8, suction generated by the suction pump 8 sucks dust into the suction box 5 through the air inlet pipeline 9, the suction box 5 and the suction hood 10, the filter 7 prevents dust from entering the suction pump 8, after the dust collector is used for a long time, the filter 7 is prevented from being blocked, a door of the suction box 5 is opened, and the filter 7 is pulled out forwards in a translation mode to clean the dust collector.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The burr treatment tool for machining the lining structure for the automobile comprises a box body (1) and is characterized in that a box door (2) is arranged on the box body (1), a first electric telescopic rod (3) is fixedly connected to the top of the inner wall of the box body (1), a pressing plate (4) is fixedly connected to the bottom of the first electric telescopic rod (3), a dust suction box (5) is fixedly connected to one side of the inner wall of the box body (1), two U-shaped plates (6) are fixedly connected to two sides of the inner wall of the dust suction box (5), a filter plate (7) is arranged between the two U-shaped plates (6), a suction pump (8) is fixedly connected to the top of the dust suction box (5), an air inlet pipeline (9) is fixedly connected to an air inlet of the suction pump (8), a suction hood (10) is fixedly connected to one side of the dust suction box (5), and a workbench (11) is fixedly connected to the bottom of, the polishing machine is characterized in that a mounting groove (12) is formed in the workbench (11), a first through hole (13) is formed in the workbench (11), a second through hole (14) is formed in the workbench (11), a second electric telescopic rod (15) is fixedly connected to the bottom of the inner wall of the mounting groove (12), a fixing plate (16) is fixedly connected to the top of the second electric telescopic rod (15), a driving motor (17) is fixedly connected to the top of the fixing plate (16), a rotating gear (18) is fixedly connected to the output end of the driving motor (17), a first polishing piece (19) is fixedly connected to the top of the rotating gear (18), a rotating shaft (20) is fixedly connected to the top of the fixing plate (16), a driven gear (21) is fixedly connected to the top of the rotating shaft (20), and a second polishing piece (22) is fixedly connected to the top of the driven gear (21, and a bushing (23) is arranged on the workbench (11).
2. The tooling for deburring of machining bush structures for automobiles according to claim 1, characterized in that said first grinding member (19) penetrates through said first through opening (13) and extends to the inside of said case (1).
3. The tooling for deburring of machining bush structures for automobiles according to claim 1, characterized in that the second grinding member (22) penetrates through the second through opening (14) and extends to the inside of the box body (1).
4. The tooling for processing the burrs of the lining structure for the automobile according to claim 1, wherein the rotating gear (18) is meshed with the driven gear (21).
5. The tooling for processing the burrs of the lining structure for the automobile according to claim 1, wherein the number of the second electric telescopic rods (15) is two.
6. The tooling for processing the burrs of the lining structure for the automobile according to claim 1, wherein the air outlet of the suction pump (8) penetrates through the box body (1) and extends to the outside of the box body (1), and the air inlet pipe (9) is communicated with the dust collection box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011467941.8A CN112589575A (en) | 2020-12-14 | 2020-12-14 | Burr processing tool for machining of lining structure for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011467941.8A CN112589575A (en) | 2020-12-14 | 2020-12-14 | Burr processing tool for machining of lining structure for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112589575A true CN112589575A (en) | 2021-04-02 |
Family
ID=75195083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011467941.8A Pending CN112589575A (en) | 2020-12-14 | 2020-12-14 | Burr processing tool for machining of lining structure for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112589575A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208179169U (en) * | 2018-05-21 | 2018-12-04 | 重庆台圆橡塑科技有限公司 | A kind of grinding device of rubber ring |
| CN108942541A (en) * | 2018-07-09 | 2018-12-07 | 安庆瑞莱博汽车配件有限公司 | A kind of automobile piston rings milling robot |
| CN208374929U (en) * | 2018-06-08 | 2019-01-15 | 通城恒科科技有限公司 | Magnet ring burr polishing device |
| CN209273151U (en) * | 2018-12-27 | 2019-08-20 | 南京骏威创新精工机械有限公司 | A kind of lock washer inside and outside wall synchronization grinding device |
| CN110144646A (en) * | 2019-05-30 | 2019-08-20 | 嘉兴学院 | A kind of drawing device that the polymerizing power of preventing air contamination is strong |
| CN111037421A (en) * | 2019-12-31 | 2020-04-21 | 嘉兴辉宇传动技术有限公司 | Bearing inner race grinding device |
| CN211249378U (en) * | 2019-10-09 | 2020-08-14 | 天津源通自动化设备有限公司 | Novel copper ring inside and outside polishing device |
| CN211615109U (en) * | 2019-12-12 | 2020-10-02 | 宁国市格斯特密封件有限公司 | Equipment for finishing inner and outer rings of multiple groups of O-shaped rings |
-
2020
- 2020-12-14 CN CN202011467941.8A patent/CN112589575A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208179169U (en) * | 2018-05-21 | 2018-12-04 | 重庆台圆橡塑科技有限公司 | A kind of grinding device of rubber ring |
| CN208374929U (en) * | 2018-06-08 | 2019-01-15 | 通城恒科科技有限公司 | Magnet ring burr polishing device |
| CN108942541A (en) * | 2018-07-09 | 2018-12-07 | 安庆瑞莱博汽车配件有限公司 | A kind of automobile piston rings milling robot |
| CN209273151U (en) * | 2018-12-27 | 2019-08-20 | 南京骏威创新精工机械有限公司 | A kind of lock washer inside and outside wall synchronization grinding device |
| CN110144646A (en) * | 2019-05-30 | 2019-08-20 | 嘉兴学院 | A kind of drawing device that the polymerizing power of preventing air contamination is strong |
| CN211249378U (en) * | 2019-10-09 | 2020-08-14 | 天津源通自动化设备有限公司 | Novel copper ring inside and outside polishing device |
| CN211615109U (en) * | 2019-12-12 | 2020-10-02 | 宁国市格斯特密封件有限公司 | Equipment for finishing inner and outer rings of multiple groups of O-shaped rings |
| CN111037421A (en) * | 2019-12-31 | 2020-04-21 | 嘉兴辉宇传动技术有限公司 | Bearing inner race grinding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108500847A (en) | Auto parts machinery polishing tool | |
| CN112589575A (en) | Burr processing tool for machining of lining structure for automobile | |
| CN208992350U (en) | A kind of handware production surface burr remover | |
| CN113182958B (en) | Machining equipment for air sealing plate for automobile turbocharger and operation method of machining equipment | |
| CN217143320U (en) | Grinding device is used in processing of steel skeleton | |
| CN217493734U (en) | Grinding device for machine manufacturing | |
| CN214534293U (en) | High-rotating-speed low-noise gear speed reducer | |
| CN205765342U (en) | A kind of self-dust-suction wall surface grinding machine | |
| CN221065575U (en) | Sharpening structure of twist drill point based on industrial robot | |
| CN109262383B (en) | Mute clamp for processing clutch shell | |
| CN217860321U (en) | Steel pipe grinding device for construction | |
| CN214769192U (en) | Cutter for engraving die with dust collection function | |
| CN218837266U (en) | Sealed dust absorption burnishing machine | |
| CN217370781U (en) | Deburring device for gear machining | |
| CN220427041U (en) | Chamfering device for gear production | |
| CN220806623U (en) | Pipe fitting port chamfer grinding assembly | |
| CN221911282U (en) | Brushless angle grinder | |
| CN213080299U (en) | Gear machining is with picking burr device | |
| CN217833104U (en) | Grinding mechanism of automatic drill grinding machine | |
| CN220993902U (en) | Deburring equipment for aviation sheet metal parts | |
| CN213673254U (en) | Compression ring machining device for civil valve of building | |
| CN219542708U (en) | Abrasive belt and abrasive disc machine | |
| CN215432887U (en) | Production device for valve rod processing | |
| CN212071399U (en) | PPH pipeline tip burring device | |
| CN221053886U (en) | Pneumatic diaphragm pump with self-cleaning function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210402 |
|
| RJ01 | Rejection of invention patent application after publication |