CN212888413U - Rubber reducing mechanism is used in rubber production - Google Patents
Rubber reducing mechanism is used in rubber production Download PDFInfo
- Publication number
- CN212888413U CN212888413U CN202021473043.9U CN202021473043U CN212888413U CN 212888413 U CN212888413 U CN 212888413U CN 202021473043 U CN202021473043 U CN 202021473043U CN 212888413 U CN212888413 U CN 212888413U
- Authority
- CN
- China
- Prior art keywords
- crushing
- rubber
- driving
- roller
- crushing roller
- 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.)
- Expired - Fee Related
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 31
- 239000005060 rubber Substances 0.000 title claims abstract description 31
- 238000010092 rubber production Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 title claims abstract description 6
- 238000007664 blowing Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 abstract description 20
- 239000008187 granular material Substances 0.000 description 6
- 244000043261 Hevea brasiliensis Species 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Crushing And Pulverization Processes (AREA)
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a rubber reducing mechanism for rubber production, smash roller two including crushing box, measurement blowing ware, first crushing roller one, first crushing roller two, pressfitting drive assembly, cartridge filter, second crushing roller one and second, be equipped with first crushing chamber in the crushing box, the cartridge filter is located in the crushing box and the below in first crushing chamber is located to one end intercommunication, first crushing roller one and first crushing roller two are rotatable locate in first crushing chamber and the meshing is connected, measurement blowing ware is located and is smashed box top and bottom and first crushing chamber open-top intercommunication, pressfitting drive assembly locates in the crushing box and is located measurement blowing ware and first crushing roller one, first crushing roller two between. The utility model relates to a rubber production technical field specifically provides a smash effectual, and carry out the pressfitting through the raw materials and improve the rubber reducing mechanism for rubber production who smashes efficiency.
Description
Technical Field
The utility model relates to a rubber production technical field specifically indicates a rubber reducing mechanism is used in rubber production.
Background
Rubber (Rubber) is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed. Rubber is a completely amorphous polymer with a low glass transition temperature (T g) and a molecular weight that is often very high, greater than several hundred thousand. Early rubbers were elastic, insulating, impermeable to water and air, and were prepared from latex of plants such as hevea brasiliensis and hevea brasiliensis. A high-elasticity polymer compound. It is divided into two types of natural rubber and synthetic rubber. The natural rubber is prepared by extracting colloid from plants such as rubber tree and rubber grass and processing; synthetic rubbers are obtained by polymerization of various monomers. Rubber products are widely used in industry or in various aspects of life. Need carry out the raw materials and smash when carrying out rubber production, traditional dispersion is beated easily under the effect of cutter at the device raw materials when smashing, splashes when serious and leads to accident, the raw materials that beats simultaneously makes not fully contact with the cutter to slow down crushing efficiency.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a smash effectually, and improve rubber crushing device for rubber production who smashes efficiency through carrying out the pressfitting to the raw materials.
The utility model adopts the following technical scheme: the utility model relates to a rubber crushing device for rubber production, which comprises a crushing box body, a metering discharger, a first crushing roller I, a first crushing roller II, a press driving component, a filter cylinder, a second crushing roller I and a second crushing roller II, wherein a first crushing cavity is arranged in the crushing box body, the filter cylinder is arranged in the crushing box body, one end of the filter cylinder is communicated with and arranged below the first crushing cavity, the first crushing roller I and the first crushing roller II can be rotatablely arranged in the first crushing cavity and are meshed and connected, the metering discharger is arranged at the top end of the crushing box body, the bottom of the metering discharger is communicated with an opening at the top of the first crushing cavity, the press driving component is arranged in the crushing box body and is positioned between the metering discharger and the first crushing roller I as well as between the first crushing roller II, the bottom of the filter cylinder is provided with a filter screen, the bottom of the crushing box body is provided with a guide channel, the, smash the box lateral wall and be equipped with the crushing chamber of second, the other end of cartridge filter is located in the crushing chamber intercommunication of second, the second smashes roller one and second and smashes roller two and can rotationally locate the crushing chamber middle part of second, puts into the raw materials during the use and stores and quantitative blowing in the measurement blowing ware, then smashes roller one and second through first crushing roller two and first crushing roller two, second and smash roller two and realize the abundant kibbling technological effect of rubber materials.
Further, the measurement blowing ware includes holding hopper, measurement blowing section of thick bamboo, ration charging tray and quantitative driving motor, the measurement blowing section of thick bamboo is located and is smashed box top and bottom and first crushing chamber open-top intercommunication, the holding hopper intercommunication is located measurement blowing section of thick bamboo top, the ration charging tray is rotatable to be located in the measurement blowing section of thick bamboo, be equipped with the metering tank on the ration charging tray, quantitative driving motor locates on the measurement blowing section of thick bamboo outer wall and quantitative driving motor's the output shaft is rotatable to run through measurement blowing section of thick bamboo lateral wall and locate the ration charging tray on, can deposit the raw materials in the holding hopper, then drive quantitative charging tray through quantitative driving motor and rotate the quantitative title material that realizes the metering tank and to the quantitative blowing in the first crushing chamber.
Further, the pressing driving assembly comprises a pressing driving plate, a driving sliding block and a driving telescopic rod, the bottom of the pressing driving plate is hinged to the side wall of the first crushing cavity and close to the first crushing roller and the second crushing roller, a driving sliding groove is formed in one side of the pressing driving plate close to the side wall of the first crushing cavity, the driving sliding block is slidably arranged in the driving sliding groove, a retraction groove is formed in the side wall of the first crushing cavity in an inclined mode, the driving telescopic rod is arranged in the retraction groove, the movable end of the driving telescopic rod is hinged to the driving sliding block, the initial position of the pressing driving plate is tightly attached to the side wall of the first crushing cavity, when the metering groove rotates towards the first crushing cavity to complete one-time quantitative discharging, the driving telescopic rod extends to drive the pressing driving plate to swing downwards to press raw materials, and the raw materials are prevented from jumping when the first crushing roller and the second crushing roller are used for, simultaneously, the raw materials are fully contacted with the first crushing roller and the second crushing roller, and the crushing efficiency is improved.
Further, the rotatable drive shaft that is equipped with in the cartridge filter, be equipped with spiral guide spare in the drive shaft, rotate through spiral guide spare and drive the crushing back rubber granule that falls into in the cartridge filter and promote and filter through the filter screen to the export of the cartridge filter other end, the filtration pore whereabouts of granule rubber through the filter screen is discharged, and the rubber of large granule is pushed to second by spiral guide spare and is smashed once more on roller two and the second crushing roller.
Furthermore, a material guiding driving motor is arranged at one end of the filter cylinder, and the driving shaft is connected with the output end of the material guiding driving motor.
Furthermore, a support is arranged at the bottom of the crushing box body.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: according to the scheme, the raw materials can be stored in the material containing hopper, and then the quantitative material containing tray is driven to rotate by the quantitative driving motor so as to realize quantitative weighing of the metering tank and quantitative material discharging into the first crushing cavity; the raw materials are fully crushed by the first crushing roller I, the first crushing roller II, the second crushing roller I and the second crushing roller II; utilize pressfitting drive plate and spiral guide spare to realize pressing to the raw materials, avoid the raw materials to beat when first crushing roller is first and first crushing roller second, second crushing roller is first and second crushing roller cutting and splash, make raw materials and roll surface fully contact simultaneously, improve crushing efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a rubber crushing device for rubber production according to the present invention;
fig. 2 is a partial enlarged view of a part a of a rubber crushing device for rubber production in the present invention.
The automatic material conveying device comprises a crushing box body 1, a metering material discharger 2, a first crushing roller I, a first crushing roller II, a first crushing roller 5, a pressing driving assembly 6, a filter cylinder 7, a second crushing roller I, a second crushing roller II, a second crushing roller 9, a first crushing cavity 10, a material guide channel 11, a filter screen 12, a second crushing cavity 13, a material containing hopper 14, a metering material containing barrel 15, a quantitative material containing tray 16, a metering groove 17, a pressing driving plate 18, a driving sliding block 19, a driving telescopic rod 20, a driving shaft 21, a material guide driving motor 22 and a support.
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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-2, the rubber crushing device for rubber production of the present invention comprises a crushing box 1, a metering discharger 2, a first crushing roller 3, a first crushing roller 4, a pressing driving component 5, a filter cartridge 6, a second crushing roller 7 and a second crushing roller 8, wherein the crushing box 1 is provided with a first crushing chamber 9, the filter cartridge 6 is arranged in the crushing box 1 and one end of the filter cartridge is communicated with the lower part of the first crushing chamber 9, the first crushing roller 3 and the first crushing roller 4 are rotatably arranged in the first crushing chamber 9 and are connected in a meshing manner, the metering discharger 2 is arranged at the top end of the crushing box 1 and the bottom of the metering discharger 2 is communicated with the top opening of the first crushing chamber 9, the pressing driving component 5 is arranged in the crushing box 1 and is positioned between the metering discharger 2 and the first crushing roller 3, the first crushing roller 4, the bottom of the filter cartridge 6 is provided with a filter screen 11, smash the box 1 bottom and be equipped with guide passageway 10, filter screen 11 is located guide passageway 10 open-top department, it is equipped with second crushing chamber 12 to smash the box 1 lateral wall, the other end of cartridge filter 6 is located in the chamber 12 intercommunication is smashed to the second, the second smashes roller 7 and second and smashes roller two 8 rotatable locate the second and smash chamber 12 middle part.
The metering charging device 2 comprises a charging hopper 13, a metering charging barrel 14, a quantitative charging tray 15 and a quantitative driving motor (not shown in the figure), the metering charging barrel 14 is arranged on the top end of the crushing box body 1, the bottom of the crushing box body is communicated with the top opening of the first crushing cavity 9, the charging hopper 13 is communicated with the top of the metering charging barrel 14, the quantitative charging tray 15 can be rotatably arranged in the metering charging barrel 14, a metering groove 16 is formed in the quantitative charging tray 15, the quantitative driving motor is arranged on the outer wall of the metering charging barrel 14, and the side wall of the output shaft of the quantitative driving motor can rotatably penetrate through the metering charging barrel 14 and is arranged on the quantitative charging tray 15. The pressing driving assembly 5 comprises a pressing driving plate 17, a driving sliding block 18 and a driving telescopic rod 19, the bottom of the pressing driving plate 17 is hinged to the side wall of the first crushing cavity 9 and is close to the first crushing roller I3 and the first crushing roller II 4, a driving sliding groove is formed in one side, close to the side wall of the first crushing cavity 9, of the pressing driving plate 17, the driving sliding block 18 is arranged in the driving sliding groove in a sliding mode, a hidden groove is formed in the side wall of the first crushing cavity 9 in an inclined mode, the driving telescopic rod 19 is arranged in the hidden groove, and the movable end of the driving telescopic rod 19 is hinged to the driving sliding block 18. A driving shaft 20 is rotatably arranged in the filter cartridge 6, and a spiral material guiding member is arranged on the driving shaft 20. One end of the filter cartridge 6 is provided with a material guiding driving motor 21, and the driving shaft 20 is connected with the output end of the material guiding driving motor 21. The bottom of the crushing box body 1 is provided with a bracket 22.
When the quantitative material feeding device is used, raw materials are stored in the material containing hopper 13, the quantitative driving motor, the first crushing roller 3, the first crushing roller 4, the second crushing roller 7, the second crushing roller 8 and the material guide driving motor 21 are started, then the quantitative driving motor drives the quantitative material containing disc 15 to rotate to realize quantitative weighing of the metering groove 16 and quantitative discharging of the materials into the first crushing cavity 9, after the metering groove 16 rotates into the first crushing cavity 9 to finish one-time quantitative discharging, the telescopic rod 19 is driven to extend to drive the pressing driving plate 17 to swing downwards to press the raw materials, the raw materials are prevented from splashing when the first crushing roller 3 and the first crushing roller 4 cut, the raw materials are simultaneously in full contact with the first crushing roller 3 and the first crushing roller 4, before the metering groove 16 rotates to the first crushing cavity 9 again, the telescopic rod 19 is driven to shrink to drive the pressing driving plate 17 to swing and attach to the side wall of the first crushing cavity 9, first crushing roller 3 and first crushing roller two 4 rotate in opposite directions smashes rubber raw materials, the rubber granule after smashing gets into cartridge filter 6, rotate through spiral guide spare and drive the export promotion of the back rubber granule of smashing that falls into cartridge filter 6 the other end and filter through filter screen 11, the filtration pore whereabouts of filter screen 11 is passed through to the tiny particle rubber and discharges, the rubber of large granule is smashed once more on second crushing roller 7 and the second crushing roller two 8 by spiral guide spare push.
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.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a rubber reducing mechanism for rubber production which characterized in that: the crushing device comprises a crushing box body, a metering discharger, a first crushing roller, a second crushing roller, a press-fit driving assembly, a filter cylinder, a first crushing roller and a second crushing roller, wherein a first crushing cavity is arranged in the crushing box body, the filter cylinder is arranged in the crushing box body, one end of the filter cylinder is communicated and arranged below the first crushing cavity, the first crushing roller and the second crushing roller can be rotatably arranged in the first crushing cavity and are meshed and connected, the metering discharger is arranged at the top end of the crushing box body, the bottom of the metering discharger is communicated with an opening at the top of the first crushing cavity, the press-fit driving assembly is arranged in the crushing box body and is positioned between the metering discharger and the first crushing roller as well as between the first crushing roller and the second crushing roller, a filter screen is arranged at the bottom of the filter cylinder, a material guide channel is arranged at the bottom of the crushing box body, the filter screen is positioned at an opening at the top, the other end of cartridge filter is located in the chamber intercommunication is smashed to the second, the second smashes roller one and second and smashes roller two rotatable second and smashes chamber middle part of locating.
2. The rubber crushing device for rubber production according to claim 1, wherein: the measurement blowing ware includes holding hopper, measurement blowing section of thick bamboo, ration charging tray and quantitative driving motor, measurement blowing section of thick bamboo is located and is smashed box top and bottom and first crushing chamber open-top intercommunication, the holding hopper intercommunication is located measurement blowing section of thick bamboo top, the ration charging tray is rotatable to be located in the measurement blowing section of thick bamboo, be equipped with the metering tank on the ration charging tray, quantitative driving motor locates on the measurement blowing section of thick bamboo outer wall and quantitative driving motor's the rotatable measurement blowing section of thick bamboo lateral wall that runs through of output shaft is located on the ration charging tray.
3. The rubber crushing device for rubber production according to claim 2, wherein: the pressing driving assembly comprises a pressing driving plate, a driving sliding block and a driving telescopic rod, the bottom of the pressing driving plate is hinged to a first crushing cavity side wall and is close to a first crushing roller I and a first crushing roller II, a driving sliding groove is formed in one side, close to the first crushing cavity side wall, of the pressing driving plate, the driving sliding block is slidably arranged in the driving sliding groove, a hidden groove is obliquely arranged on the first crushing cavity side wall, the driving telescopic rod is arranged in the hidden groove, and the movable end of the driving telescopic rod is hinged to the driving sliding block.
4. The rubber crushing device for rubber production according to claim 1, wherein: the filter cartridge is rotatably provided with a driving shaft, and the driving shaft is provided with a spiral material guiding piece.
5. The rubber crushing device for rubber production according to claim 4, wherein: one end of the filter cylinder is provided with a material guide driving motor, and the driving shaft is connected with the output end of the material guide driving motor.
6. The rubber crushing device for rubber production according to claim 2, wherein: the bottom of the crushing box body is provided with a support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021473043.9U CN212888413U (en) | 2020-07-23 | 2020-07-23 | Rubber reducing mechanism is used in rubber production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021473043.9U CN212888413U (en) | 2020-07-23 | 2020-07-23 | Rubber reducing mechanism is used in rubber production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212888413U true CN212888413U (en) | 2021-04-06 |
Family
ID=75293269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021473043.9U Expired - Fee Related CN212888413U (en) | 2020-07-23 | 2020-07-23 | Rubber reducing mechanism is used in rubber production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212888413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122542A (en) * | 2022-06-28 | 2022-09-30 | 安徽中宏橡塑有限公司 | Rubber powder fine crushing device for rubber production |
-
2020
- 2020-07-23 CN CN202021473043.9U patent/CN212888413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122542A (en) * | 2022-06-28 | 2022-09-30 | 安徽中宏橡塑有限公司 | Rubber powder fine crushing device for rubber production |
| CN115122542B (en) * | 2022-06-28 | 2024-03-15 | 安徽中宏橡塑有限公司 | Rubber is finely divided device for rubber production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212888413U (en) | Rubber reducing mechanism is used in rubber production | |
| CN109092426A (en) | A kind of biomass pulverizer convenient for continuous feed | |
| CN108541466B (en) | Straw crushing, compressing and recycling device | |
| CN110355906B (en) | Pressure type foam garbage compression baling equipment | |
| CN108144686B (en) | A kind of plastic processing raw material fining grinding device | |
| CN211334704U (en) | Mechanism is retrieved to rim charge of hard piece production line of PVC | |
| CN116139983A (en) | Abandoned shoe splitting and recycling equipment | |
| CN211220992U (en) | Waste recovery device for web cutting | |
| CN214107128U (en) | Be used for new forms of energy discarded object reducing mechanism | |
| CN213704152U (en) | Plastic film rim charge recovery unit | |
| CN112522044A (en) | Fermentation vat based on white spirit processing | |
| CN208657907U (en) | A kind of automation batch processing formula nut cracker | |
| CN208148261U (en) | A kind of cable insulation production insulated particle screening installation | |
| CN113680420A (en) | Construction waste treatment device | |
| CN208494464U (en) | A kind of superfine-material processing unit (plant) of multistage screening | |
| CN217962675U (en) | Waste treatment device for battery manufacturing | |
| CN217670931U (en) | High-efficient extrusion device that modifies of old and useless rubber | |
| CN214605772U (en) | Negative pressure feeding device for high-resistance co-extrusion film | |
| CN214773240U (en) | A shredding device for rubber materials | |
| CN221021912U (en) | Rubber production and processing crushing equipment | |
| CN217144531U (en) | Waste recovery equipment for plastic accessories | |
| CN217777911U (en) | Intelligent biodegradable plastics masterbatch extrusion device | |
| CN220111166U (en) | Crushing device for garbage disposal | |
| CN221136548U (en) | Crushing equipment for plastic particle processing | |
| CN221360249U (en) | Traditional Chinese medicine rolling and crushing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |