CN111255818A - Basalt fiber clutch plate - Google Patents
Basalt fiber clutch plate Download PDFInfo
- Publication number
- CN111255818A CN111255818A CN202010057096.0A CN202010057096A CN111255818A CN 111255818 A CN111255818 A CN 111255818A CN 202010057096 A CN202010057096 A CN 202010057096A CN 111255818 A CN111255818 A CN 111255818A
- Authority
- CN
- China
- Prior art keywords
- friction
- steel sheet
- clutch plate
- ring
- basalt fiber
- 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
- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 229920002972 Acrylic fiber Polymers 0.000 claims description 2
- 240000005002 Erythronium dens canis Species 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 239000002783 friction material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/027—Compositions based on metals or inorganic oxides
- F16D69/028—Compositions based on metals or inorganic oxides containing fibres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D69/0408—Attachment of linings specially adapted for plane linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
- F16D2013/642—Clutch-plates; Clutch-lamellae with resilient attachment of frictions rings or linings to their supporting discs or plates for allowing limited axial displacement of these rings or linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
- F16D2069/045—Bonding
- F16D2069/0458—Bonding metallurgic, e.g. welding, brazing, sintering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0008—Ferro
- F16D2200/0021—Steel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/006—Materials; Production methods therefor containing fibres or particles
- F16D2200/0065—Inorganic, e.g. non-asbestos mineral fibres
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention provides a basalt fiber clutch plate, which relates to the technical field of clutch plates and comprises a steel sheet, wherein a friction hole is formed in the surface of the steel sheet, a friction groove is formed in the surface of the steel sheet and located on one side of the friction hole, a main annular part is arranged inside the steel sheet, acrylic spun yarns are arranged on one side of the main annular part, an auxiliary annular part is arranged inside the main annular part, an anti-falling lug is arranged on the surface of the auxiliary annular part, a combination ring is arranged inside the auxiliary annular part, a connection ring is arranged inside the combination ring, and a combination ring is arranged inside the connection ring. The clutch disc solves the problems that the clutch disc is easy to consume and damage and needs to be frequently replaced due to the fact that the clutch disc acts through friction force when in use, and indexes such as friction performance, finished product density, high-temperature rotary burst strength and the like of a patch of the existing clutch disc are not ideal.
Description
Technical Field
The invention relates to the field of clutch plates, in particular to a basalt fiber clutch plate.
Background
The clutch plate is a composite material which takes friction as a main function and has structural performance requirements. Friction materials for motor vehicles are mainly used for producing brake linings and clutch disks. The friction materials mainly adopt asbestos-based friction materials, with the increasing requirements on environmental protection and safety, semimetal type friction materials, composite fiber friction materials and ceramic fiber friction materials gradually appear, and as the friction materials are mainly used for manufacturing parts of braking systems and transmission systems on automobiles, the friction materials have the requirements of high and stable friction coefficient and good wear resistance.
Because the clutch disc produces the effect through frictional force when using, lead to the clutch disc to consume the damage comparatively easily, need often change, be unfavorable for long-term use, the frictional property of the dough sheet of current clutch disc, finished product density, index such as high temperature rotation burst intensity are all not very ideal moreover.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the basalt fiber clutch plate provided by the invention has the advantage of prolonging the service life of the clutch plate, and solves the problem that indexes such as friction performance, finished product density, high-temperature rotary burst strength and the like of a surface sheet of the conventional clutch plate are not ideal.
(II) technical scheme
In order to achieve the purpose of prolonging the service life of the clutch plate, the invention provides the following technical scheme: basalt fiber clutch disc, including the steel sheet, the friction hole has been seted up on the surface of steel sheet, the surface of steel sheet and the one side that is located the friction hole are provided with the friction groove, the inside of steel sheet is provided with main annular portion, one side of main annular portion is provided with the acrylic fibres spun yarn, the inside of main annular portion is provided with assists annular portion, the surface of assisting annular portion is provided with the anticreep lug, it is outside to assist the inside of annular portion to be provided with the joint ring, the outside inside of joint ring is provided with the go-between, the inside of go-between is provided with inside the joint ring, the inside of joint ring is provided with the dogtooth.
Preferably, one side of the outside of the combination ring is provided with a spring frame, one side of the inner surface of the spring frame is provided with a connecting column, one side of the connecting column is provided with a spring body, and the top of the steel sheet is provided with a friction layer.
Preferably, the number of the friction holes is forty, the number of the friction grooves is twenty, and the two groups of friction holes are uniformly distributed on one side of the friction grooves.
Preferably, the number of the anti-falling lugs is thirty, and the auxiliary annular part is rotatably connected with the main annular part.
Preferably, the number of the spring frame, the connecting column and the spring body is six, and the six groups of spring frames are all inlaid on one side of the outer part of the combining ring.
Preferably, one end of the spring body is fixedly connected with one side of the inner surface of the spring frame, and the other end of the spring body is fixedly connected with the other side of the inner surface of the spring frame.
Preferably, the inside of the combination ring is rotatably connected with the connection ring, and the surface of the connection ring is provided with a fixed block.
Preferably, the material of the friction layer is basalt bulked twistless roving made of basalt fibers, and the basalt bulked twistless roving is melted on the surface of the steel sheet through high temperature.
(III) advantageous effects
Compared with the prior art, the basalt fiber clutch plate provided by the invention has the following beneficial effects:
the friction layer is arranged on the top of the steel sheet, the friction layer is made of basalt bulked twistless roving made of basalt fibers and is fused on the surface of the steel sheet at high temperature, so that the friction performance of the clutch plate of the automobile can be effectively improved, and the finished product has the advantages of high density, good high-temperature rotary burst strength, good smoothness and wear resistance in the using process and the like, so that the service life of the clutch plate can be prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of a basalt fiber clutch plate according to the present invention;
FIG. 2 is an enlarged schematic structural view at A in FIG. 1 of a basalt fiber clutch disc in accordance with the present invention;
FIG. 3 is a schematic structural diagram of a friction layer in a basalt fiber clutch plate according to the invention.
Illustration of the drawings:
1. a steel sheet; 2. a friction hole; 3. a friction groove; 4. a main annular portion; 5. acrylic spun yarn; 6. an auxiliary annular portion; 7. an anti-drop bump; 8. a coupling ring exterior; 9. a connecting ring; 10. inside the coupling ring; 11. a convex tooth; 12. a spring holder; 13. connecting columns; 14. a spring body; 15. and (4) a friction layer.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-3, the basalt fiber clutch disc includes a steel disc 1, a friction hole 2 is formed in the surface of the steel disc 1, a friction groove 3 is formed in the surface of the steel disc 1 and on one side of the friction hole 2, a main annular portion 4 is formed inside the steel disc 1, acrylic spun yarns 5 are formed on one side of the main annular portion 4, an auxiliary annular portion 6 is formed inside the main annular portion 4, an anti-dropping bump 7 is formed on the surface of the auxiliary annular portion 6, a coupling ring outer portion 8 is formed inside the auxiliary annular portion 6, a coupling ring 9 is formed inside the coupling ring outer portion 8, a coupling ring inner portion 10 is formed inside the coupling ring 9, and a protruding tooth 11 is formed inside the coupling ring inner portion 10.
Further, one side of the outer portion 8 of the combination ring is provided with a spring frame 12, one side of the inner surface of the spring frame 12 is provided with a connecting column 13, one side of the connecting column 13 is provided with a spring body 14, and the top of the steel sheet 1 is provided with a friction layer 15, so that the service life of the clutch disc can be effectively prolonged, and the smoothness is improved.
Further, the number of friction hole 2 is forty groups, and the number of friction groove 3 is twenty groups, and two sets of friction hole 2 are equallyd divide and are arranged in one side of friction groove 3, are convenient for effectively increase the wearability of clutch disc.
Further, the number of the anti-falling lugs 7 is thirty, and the auxiliary annular part 6 is in rotary connection with the main annular part 4, so that the clutch plate is more convenient to use.
Furthermore, the number of the spring frames 12, the connecting columns 13 and the spring bodies 14 is six, and the six groups of spring frames 12 are all inlaid in one side of the outer portion 8 of the combining ring, so that the clutch plate can work smoothly.
Furthermore, one end of the spring body 14 is fixedly connected with one side of the inner surface of the spring frame 12, and the other end of the spring body 14 is fixedly connected with the other side of the inner surface of the spring frame 12, so that the service life of the clutch plate is prolonged.
Further, the connection ring 10 is rotatably connected with the connection ring 9, and the surface of the connection ring 9 is provided with a fixing block, so that the installation can be conveniently and rapidly carried out.
Further, the friction layer 15 is made of basalt bulked twistless roving made of basalt fibers, and the basalt bulked twistless roving is fused on the surface of the steel sheet 1 at high temperature, so that the wear resistance of the clutch plate is greatly improved, the clutch plate can be effectively prevented from bursting during high-temperature rotation, and the safety of drivers is protected.
The working principle and the using process of the invention are as follows: through the friction layer 15 that sets up, realize increasing the life of clutch disc, the basalt bulked twistless roving that the material through friction layer 15 was made for the basalt fiber to through high temperature melting on the surface of steel sheet 1, make can effectively improve the frictional behavior of automobile clutch disc, the finished product has the density higher moreover, high temperature rotatory burst intensity good with in the use ride comfort, the wearability advantage such as good, can prolong the life of clutch disc.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Basalt fiber clutch disc, including steel sheet (1), its characterized in that: friction hole (2) have been seted up on the surface of steel sheet (1), the surface of steel sheet (1) and the one side that is located friction hole (2) are provided with friction groove (3), the inside of steel sheet (1) is provided with main annular portion (4), one side of main annular portion (4) is provided with acrylic fibres spun yarn (5), the inside of main annular portion (4) is provided with assists annular portion (6), the surface of assisting annular portion (6) is provided with anticreep lug (7), the inside of assisting annular portion (6) is provided with combines ring outside (8), the inside that combines ring outside (8) is provided with go-between (9), the inside of go-between (9) is provided with combines ring inside (10), the inside of combining ring inside (10) is provided with dogtooth (11).
2. A basalt fiber clutch plate according to claim 1, characterized in that: one side of the outer portion (8) of the combination ring is provided with a spring frame (12), one side of the inner surface of the spring frame (12) is provided with a connecting column (13), one side of the connecting column (13) is provided with a spring body (14), and the top of the steel sheet (1) is provided with a friction layer (15).
3. A basalt fiber clutch plate according to claim 1, characterized in that: the number of friction hole (2) is forty groups, the number of friction groove (3) is twenty groups, two sets of friction hole (2) are equallyd divide in one side of friction groove (3).
4. A basalt fiber clutch plate according to claim 1, characterized in that: the number of the anti-falling lugs (7) is thirty groups, and the auxiliary annular part (6) is rotationally connected with the main annular part (4).
5. A basalt fiber clutch plate according to claim 2, characterized in that: the number of the spring frame (12), the connecting column (13) and the spring body (14) is six, and the six spring frames (12) are all inlaid in one side of the outer part (8) of the combining ring.
6. A basalt fiber clutch plate according to claim 2, characterized in that: one end of the spring body (14) is fixedly connected with one side of the inner surface of the spring frame (12), and the other end of the spring body (14) is fixedly connected with the other side of the inner surface of the spring frame (12).
7. A basalt fiber clutch plate according to claim 1, characterized in that: the inside (10) of the combination ring is rotationally connected with the connection ring (9), and a fixed block is arranged on the surface of the connection ring (9).
8. A basalt fiber clutch plate according to claim 2, characterized in that: the friction layer (15) is made of basalt bulked twistless roving made of basalt fibers and is fused on the surface of the steel sheet (1) at high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010057096.0A CN111255818A (en) | 2020-01-19 | 2020-01-19 | Basalt fiber clutch plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010057096.0A CN111255818A (en) | 2020-01-19 | 2020-01-19 | Basalt fiber clutch plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111255818A true CN111255818A (en) | 2020-06-09 |
Family
ID=70947242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010057096.0A Pending CN111255818A (en) | 2020-01-19 | 2020-01-19 | Basalt fiber clutch plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111255818A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3613851A (en) * | 1969-08-04 | 1971-10-19 | Goodrich Co B F | Segmented friction member for brake or clutch |
| US3974903A (en) * | 1973-02-12 | 1976-08-17 | Societe Anonyme Francaise Du Ferodo | Resilient torsion dampeners for clutch discs |
| CN2632382Y (en) * | 2003-06-26 | 2004-08-11 | 王洪瑞 | Clutch steel disc assembly |
| CN201306396Y (en) * | 2008-11-10 | 2009-09-09 | 戴建成 | Clutch friction disc |
| US20110056792A1 (en) * | 2006-04-03 | 2011-03-10 | Eaton Corporation | Cushioned Ceramic Driven Disc Assembly with Ceramic Friction Pads Fixed to Slotted Backer Plates |
| CN202297955U (en) * | 2011-09-29 | 2012-07-04 | 南通新源特种纤维有限公司 | Basalt fiber parallel plied yarn for automobile clutch facing |
| CN102808869A (en) * | 2012-08-17 | 2012-12-05 | 慈溪市鼎晨汽车零部件有限公司 | Clutch driven disk and manufacturing method thereof |
| KR20160129164A (en) * | 2015-04-29 | 2016-11-09 | 주식회사평화발레오 | A device for demping a hub of a clutch |
| CN206054573U (en) * | 2016-08-26 | 2017-03-29 | 台州华帅汽车配件有限公司 | A kind of clutch drived disk assy |
| CN207261523U (en) * | 2017-08-29 | 2018-04-20 | 南京市溧水中山铸造有限公司 | A kind of automobile brake disc casting |
| CN207762144U (en) * | 2017-12-08 | 2018-08-24 | 格特拉克（江西）传动系统有限公司 | A kind of double clutch friction subsystem |
| CN207879898U (en) * | 2018-02-24 | 2018-09-18 | 江西久安汽车部件有限公司 | A kind of car clutch face sheet of good heat dissipation effect |
-
2020
- 2020-01-19 CN CN202010057096.0A patent/CN111255818A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3613851A (en) * | 1969-08-04 | 1971-10-19 | Goodrich Co B F | Segmented friction member for brake or clutch |
| US3974903A (en) * | 1973-02-12 | 1976-08-17 | Societe Anonyme Francaise Du Ferodo | Resilient torsion dampeners for clutch discs |
| CN2632382Y (en) * | 2003-06-26 | 2004-08-11 | 王洪瑞 | Clutch steel disc assembly |
| US20110056792A1 (en) * | 2006-04-03 | 2011-03-10 | Eaton Corporation | Cushioned Ceramic Driven Disc Assembly with Ceramic Friction Pads Fixed to Slotted Backer Plates |
| CN201306396Y (en) * | 2008-11-10 | 2009-09-09 | 戴建成 | Clutch friction disc |
| CN202297955U (en) * | 2011-09-29 | 2012-07-04 | 南通新源特种纤维有限公司 | Basalt fiber parallel plied yarn for automobile clutch facing |
| CN102808869A (en) * | 2012-08-17 | 2012-12-05 | 慈溪市鼎晨汽车零部件有限公司 | Clutch driven disk and manufacturing method thereof |
| KR20160129164A (en) * | 2015-04-29 | 2016-11-09 | 주식회사평화발레오 | A device for demping a hub of a clutch |
| CN206054573U (en) * | 2016-08-26 | 2017-03-29 | 台州华帅汽车配件有限公司 | A kind of clutch drived disk assy |
| CN207261523U (en) * | 2017-08-29 | 2018-04-20 | 南京市溧水中山铸造有限公司 | A kind of automobile brake disc casting |
| CN207762144U (en) * | 2017-12-08 | 2018-08-24 | 格特拉克（江西）传动系统有限公司 | A kind of double clutch friction subsystem |
| CN207879898U (en) * | 2018-02-24 | 2018-09-18 | 江西久安汽车部件有限公司 | A kind of car clutch face sheet of good heat dissipation effect |
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|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200609 |