CN210936117U - A belt cleaning device for accurate spare part - Google Patents
A belt cleaning device for accurate spare part Download PDFInfo
- Publication number
- CN210936117U CN210936117U CN201920718893.1U CN201920718893U CN210936117U CN 210936117 U CN210936117 U CN 210936117U CN 201920718893 U CN201920718893 U CN 201920718893U CN 210936117 U CN210936117 U CN 210936117U
- Authority
- CN
- China
- Prior art keywords
- cleaning
- groove
- rotating
- piece
- rotating piece
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 160
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000002093 peripheral Effects 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- -1 debris Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Abstract
A cleaning device for precision parts comprises a cleaning box, a cleaning frame, a fan and a heating plate; a first driving wheel is arranged on an output shaft of the first motor; the first rotating piece is vertically arranged, the bottom end of the first rotating piece is rotatably connected with the cleaning box, and the top end of the first rotating piece is connected with the cleaning frame; the first transmission piece is in transmission connection with the first driving wheel and the first driven wheel; a second driving wheel is arranged on an output shaft of the second motor; the second rotating piece is vertically arranged, the bottom end of the second rotating piece is connected with the connecting piece, and the top end of the second rotating piece is rotatably connected with the cleaning box; the second transmission piece is in transmission connection with a second driving wheel and a second driven wheel; the bottom end of the rotating roller extends downwards into the cleaning frame; the peripheral surface of the rotating roller is provided with a brush; the fan is arranged on the cleaning box and positioned in the cleaning tank, and the air blowing direction faces downwards; the heating plate is arranged on the cleaning box; the cleaning box is also provided with a liquid discharge pipe, a liquid inlet pipe and an exhaust pipe. The utility model discloses the cleaning efficiency is high, and the cleaning performance is good to still having the stoving function of realization, showing and having reduced workman's amount of labour, improved work efficiency.
Description
Technical Field
The utility model relates to an accurate spare part production technical field especially relates to a belt cleaning device for accurate spare part.
Background
In the process of processing and producing precision parts, a large amount of dirt such as dust, debris, oil stain and the like is often adhered to the surface of the precision parts and needs to be cleaned;
but current belt cleaning device cleaning efficiency is low, and the cleaning performance is not good, and does not have the stoving function, needs to dry the operation to accurate spare part in addition after the washing is accomplished, wastes time and energy.
Disclosure of Invention
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a belt cleaning device for accurate spare part, the cleaning efficiency is high, and the cleaning performance is good to still having the stoving function of realization, showing and having reduced workman's amount of labour, improved work efficiency.
(II) technical scheme
In order to solve the problems, the utility model provides a cleaning device for precise parts, which comprises a cleaning box, a first motor, a first rotating part, a first driving part, a cleaning frame, a second motor, a second rotating part, a second driving part, a connecting piece, a rotating roller, a fan and a heating plate;
the sealing door is arranged on the cleaning box; the cleaning box is provided with a first groove, a second groove and a cleaning tank; the first groove is positioned below the cleaning tank, and the second groove is positioned above the cleaning tank; the cleaning frame is positioned in the cleaning tank, and through holes are uniformly formed in the cleaning frame;
the first motor is arranged on the cleaning box and positioned in the first groove, and a first driving wheel is arranged on an output shaft of the first motor; the first rotating piece is vertically arranged, the bottom end of the first rotating piece extends into the first groove and is rotatably connected with the cleaning box, and the top end of the first rotating piece extends into the cleaning tank and is connected with the cleaning frame; the first rotating piece is provided with a first driven wheel; the first transmission piece is in transmission connection with the first driving wheel and the first driven wheel;
the second motor is arranged on the cleaning box and positioned in the second groove, and a second driving wheel is arranged on an output shaft of the second motor; the second rotating piece is vertically arranged, the bottom end of the second rotating piece extends into the cleaning tank and is connected with the connecting piece, and the top end of the second rotating piece extends into the second groove and is rotationally connected with the cleaning tank; a second driven wheel is arranged on the second rotating piece; the second transmission piece is in transmission connection with a second driving wheel and a second driven wheel;
the rotating rollers are vertically arranged at two ends of the connecting piece, and the bottom ends of the rotating rollers downwards extend into the cleaning frame; the peripheral surface of the rotating roller is provided with a brush;
the fan is arranged on the cleaning box and positioned in the cleaning tank, and the blowing direction of the fan faces downwards; the heating plate is arranged on the cleaning box;
the cleaning box is also provided with a liquid discharge pipe, a liquid inlet pipe and an exhaust pipe; control valves are respectively arranged on the liquid discharge pipe, the liquid inlet pipe and the exhaust pipe; the liquid discharge pipe is positioned at a position close to the bottom of the cleaning box and is communicated with the cleaning tank; the liquid inlet pipe is positioned close to the top of the cleaning box and connected with the spray head, and the water spraying direction of the spray head faces the inside of the cleaning frame; the exhaust pipe is located at a position close to the top of the cleaning box and communicated with the cleaning tank.
Preferably, the first transmission member and the second transmission member are both endless transmission belts.
Preferably, the inner peripheral surface of the first transmission member is provided with a mesh tooth, the first driving wheel and the first driven wheel are respectively and correspondingly provided with the mesh tooth, and the first transmission member is in meshing transmission connection with the first driving wheel and the first driven wheel.
Preferably, the inner peripheral surface of the second transmission part is provided with a mesh, the second driving wheel and the second driven wheel are correspondingly provided with a mesh respectively, and the second transmission part is in meshing transmission connection with the second driving wheel and the second driven wheel.
Preferably, the outer peripheral surface of the cleaning frame is horizontally provided with a guide rod, and the guide rod is connected with the cleaning box in a sliding manner.
Preferably, the guide rod is provided with a sliding part, the inner circumferential surface of the cleaning box is provided with an annular groove, and the sliding part is positioned in the annular groove.
Preferably, the hairbrush is provided with a threaded hole, the rotating roller is provided with a threaded groove, and the hairbrush is in threaded connection with the rotating roller through a bolt.
Preferably, the control valves on the liquid inlet pipe and the liquid outlet pipe are electromagnetic valves.
Preferably, the control valve on the exhaust pipe is a pressure relief valve.
Preferably, the first rotating member rotates in a direction opposite to that of the second rotating member.
The above technical scheme of the utility model has following profitable technological effect:
the first rotating piece rotates and drives the cleaning frame to rotate, and the precision parts rotate along with the cleaning frame, so that the cleaning efficiency and the cleaning effect are improved; the connecting piece rotates and drives the rotating roller to rotate, the hairbrush rotates along with the rotating roller and brushes the precise parts, and the cleaning effect and the cleaning efficiency can be further improved;
the heating plate converts electric energy into heat energy to raise the temperature in the cleaning tank, and the fan rotates to drive air in the cleaning tank to flow, so that the evaporation of water on the surface of the precision part is accelerated; can realize washing and stoving function, reduce workman's the amount of labour, improve work efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a cleaning device for precision parts according to the present invention.
Fig. 2 is a left side view of the cleaning device for precision parts according to the present invention.
Fig. 3 is a front view of a cleaning device for precision parts according to the present invention.
Reference numerals: 1. a cleaning tank; 2. a first motor; 3. a sealing door; 4. a first drive wheel; 5. a first rotating member; 6. a first driven wheel; 7. a first transmission member; 8. cleaning the frame; 9. a second motor; 10. a second drive wheel; 11. a second rotating member; 12. a second driven wheel; 13. a second transmission member; 14. a connecting member; 15. a rotating roller; 16. a brush; 17. a fan; 18. heating plates; 19. a guide bar; 20. a slider; 21. an annular groove; 22. a liquid discharge pipe; 23. a liquid inlet pipe; 24. an exhaust pipe; 25. a first groove; 26. a second groove; 27. a cleaning tank; 28. and (4) a spray head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the present invention provides a cleaning device for precision parts, which comprises a cleaning box 1, a first motor 2, a first rotating member 5, a first transmitting member 7, a cleaning frame 8, a second motor 9, a second rotating member 11, a second transmitting member 13, a connecting member 14, a rotating roller 15, a fan 17 and a heating plate 18;
the sealing door 3 is arranged on the cleaning box 1; a first groove 25, a second groove 26 and a cleaning groove 27 are arranged on the cleaning box 1; the first groove 25 is positioned below the cleaning groove 27, and the second groove 26 is positioned above the cleaning groove 27; the cleaning frame 8 is positioned in the cleaning tank 27, and through holes are uniformly formed in the cleaning frame 8; a guide rod 19 is horizontally arranged on the peripheral surface of the cleaning frame 8, and the guide rod 19 is connected with the cleaning box 1 in a sliding way;
the first motor 2 is arranged on the cleaning box 1 and positioned in the first groove 25, and a first driving wheel 4 is arranged on an output shaft of the first motor 2; the first rotating piece 5 is vertically arranged, the bottom end of the first rotating piece extends into the first groove 25 and is rotatably connected with the cleaning box 1, and the top end of the first rotating piece extends into the cleaning groove 27 and is connected with the cleaning frame 8; a first driven wheel 6 is arranged on the first rotating piece 5; the first transmission piece 7 is in transmission connection with the first driving wheel 4 and the first driven wheel 6;
the second motor 9 is arranged on the cleaning box 1 and positioned in the second groove 26, and a second driving wheel 10 is arranged on an output shaft of the second motor 9; the second rotating piece 11 is vertically arranged, the bottom end of the second rotating piece extends into the cleaning groove 27 and is connected with the connecting piece 14, and the top end of the second rotating piece extends into the second groove 26 and is rotatably connected with the cleaning box 1; a second driven wheel 12 is arranged on the second rotating piece 11; the second transmission piece 13 is in transmission connection with the second driving wheel 10 and the second driven wheel 12;
the rotating rollers 15 are vertically arranged at two ends of the connecting piece 14, and the bottom ends of the rotating rollers extend downwards into the cleaning frame 8; the peripheral surface of the rotating roller 15 is provided with a brush 16;
the fan 17 is arranged on the cleaning box 1 and positioned in the cleaning tank 27, and the air blowing direction is downward; the heating plate 18 is arranged on the cleaning box 1;
the cleaning box 1 is also provided with a liquid discharge pipe 22, a liquid inlet pipe 23 and an exhaust pipe 24; control valves are respectively arranged on the liquid discharge pipe 22, the liquid inlet pipe 23 and the exhaust pipe 24; the drain pipe 22 is positioned near the bottom of the cleaning tank 1 and is communicated with the cleaning tank 27; the liquid inlet pipe 23 is positioned close to the top of the cleaning box 1 and is connected with a spray head 28, and the water spraying direction of the spray head 28 faces to the inside of the cleaning frame 8; the exhaust duct 24 is located near the top of the cleaning tank 1 and communicates with the cleaning tank 27.
The first transmission piece 7 and the second transmission piece 13 are both annular transmission belts; the inner peripheral surface of the first transmission piece 7 is provided with a mesh tooth, the first driving wheel 4 and the first driven wheel 6 are respectively and correspondingly provided with the mesh tooth, and the first transmission piece 7 is in meshing transmission connection with the first driving wheel 4 and the first driven wheel 6; the inner peripheral surface of the second transmission part 13 is provided with a mesh, the second driving wheel 10 and the second driven wheel 12 are correspondingly provided with the mesh, the second driving wheel 10 and the second driven wheel 12 are connected in a meshing transmission mode through the second transmission part 13, the transmission effect is good, and the transmission process is stable.
In an alternative embodiment, the guide rod 19 is provided with a sliding part 21, the inner circumferential surface of the cleaning tank 1 is provided with an annular groove 20, and the sliding part 21 is positioned in the annular groove 20 to play a guiding role, so that the sliding process of the guide rod 19 is more stable.
In an alternative embodiment, the brush 16 is a semi-closed ring structure which can be bent, a threaded hole is formed in the brush 16, a threaded groove is formed in the rotating roller 15, the brush 16 is connected with the rotating roller 15 through a bolt and a thread, so that the brush 16 is convenient to mount and dismount, the brush 16 is convenient to replace, and the cleaning effect of the device is further ensured.
In an alternative embodiment, the control valves on the inlet 23 and outlet 22 pipes are solenoid valves.
In an alternative embodiment, the control valve on the exhaust pipe 24 is a pressure relief valve.
In an alternative embodiment, the first rotating member 5 and the second rotating member 11 rotate in opposite directions, which is advantageous for improving the cleaning efficiency.
In the utility model, firstly, the sealing door 3 is opened, and the sealing door 3 is closed after the precise parts are added into the cleaning frame 8; cleaning liquid enters the liquid inlet pipe 23 and is sprayed into the cleaning frame 8 through the spray head 28 to wash the precise parts; the first motor 2 drives the first driving wheel 4 to rotate, and further drives the first rotating piece 5 to rotate through the first transmission piece 7 and the first driven wheel 6, so that the cleaning frame 8 is driven to rotate, the precise parts rotate along with the cleaning frame 8, and the cleaning efficiency and the cleaning effect are improved; the second motor 9 drives the second driving wheel 10 to rotate, and further drives the second rotating part 11 to rotate through the second transmission part 13 and the second driven wheel 12, so that the rotating roller 15 is driven to rotate through the connecting part 14, the hairbrush 16 rotates along with the rotating roller 15 and brushes the precise parts, and the cleaning effect and the cleaning efficiency are further improved;
the cleaning liquid flows into the bottom of the cleaning groove 27 through the through hole on the cleaning frame 8 and then is discharged through the liquid discharge pipe 22; after the cleaning is finished, closing the control valve on the liquid inlet pipe 23; the heating plate 18 converts the electric energy into heat energy to raise the temperature in the cleaning tank 27, the fan 17 rotates to drive the air in the cleaning tank 27 to flow, so that the evaporation of the moisture on the surface of the precision part is accelerated, and the gas in the cleaning tank 27 is discharged through the exhaust pipe 24; can realize washing and stoving function, reduce workman's the amount of labour, improve work efficiency.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A cleaning device for precision parts is characterized by comprising a cleaning box (1), a first motor (2), a first rotating piece (5), a first rotating piece (7), a cleaning frame (8), a second motor (9), a second rotating piece (11), a second rotating piece (13), a connecting piece (14), a rotating roller (15), a fan (17) and a heating plate (18);
the sealing door (3) is arranged on the cleaning box (1); a first groove (25), a second groove (26) and a cleaning groove (27) are arranged on the cleaning box (1); the first groove (25) is positioned below the cleaning groove (27), and the second groove (26) is positioned above the cleaning groove (27); the cleaning frame (8) is positioned in the cleaning tank (27), and through holes are uniformly formed in the cleaning frame (8);
the first motor (2) is arranged on the cleaning box (1) and is positioned in the first groove (25), and a first driving wheel (4) is arranged on an output shaft of the first motor (2); the first rotating piece (5) is vertically arranged, the bottom end of the first rotating piece extends into the first groove (25) and is rotatably connected with the cleaning box (1), and the top end of the first rotating piece extends into the cleaning groove (27) and is connected with the cleaning frame (8); a first driven wheel (6) is arranged on the first rotating piece (5); the first transmission piece (7) is in transmission connection with the first driving wheel (4) and the first driven wheel (6);
the second motor (9) is arranged on the cleaning box (1) and is positioned in the second groove (26), and a second driving wheel (10) is arranged on an output shaft of the second motor (9); the second rotating piece (11) is vertically arranged, the bottom end of the second rotating piece extends into the cleaning groove (27) and is connected with the connecting piece (14), and the top end of the second rotating piece extends into the second groove (26) and is rotatably connected with the cleaning box (1); a second driven wheel (12) is arranged on the second rotating piece (11); the second transmission piece (13) is in transmission connection with a second driving wheel (10) and a second driven wheel (12);
the rotating rollers (15) are vertically arranged at two ends of the connecting piece (14), and the bottom ends of the rotating rollers extend downwards into the cleaning frame (8); the peripheral surface of the rotating roller (15) is provided with a brush (16);
the fan (17) is arranged on the cleaning box (1) and positioned in the cleaning tank (27), and the air blowing direction is downward; the heating plate (18) is arranged on the cleaning box (1);
a liquid discharge pipe (22), a liquid inlet pipe (23) and an exhaust pipe (24) are also arranged on the cleaning box (1); control valves are respectively arranged on the liquid discharge pipe (22), the liquid inlet pipe (23) and the exhaust pipe (24); the liquid discharge pipe (22) is positioned at a position close to the bottom of the cleaning box (1) and is communicated with the cleaning tank (27); the liquid inlet pipe (23) is positioned close to the top of the cleaning box (1) and connected with the spray head (28), and the water spraying direction of the spray head (28) faces to the inside of the cleaning frame (8); the exhaust pipe (24) is located near the top of the cleaning tank (1) and is communicated with the cleaning tank (27).
2. A cleaning device for precision parts according to claim 1, characterized in that the first transmission member (7) and the second transmission member (13) are both endless transmission belts.
3. The cleaning device for the precision parts as claimed in claim 1 or 2, wherein the first transmission member (7) is provided with a tooth on the inner peripheral surface, the first driving wheel (4) and the first driven wheel (6) are respectively provided with a corresponding tooth, and the first transmission member (7) is engaged with and connected with the first driving wheel (4) and the first driven wheel (6).
4. The cleaning device for the precision parts as claimed in claim 1 or 2, wherein the second transmission member (13) is provided with a plurality of teeth on the inner periphery thereof, the second driving wheel (10) and the second driven wheel (12) are respectively provided with corresponding teeth, and the second transmission member (13) is engaged with and connected with the second driving wheel (10) and the second driven wheel (12).
5. The cleaning device for precision parts according to claim 1, wherein a guide rod (19) is horizontally arranged on the outer peripheral surface of the cleaning frame (8), and the guide rod (19) is slidably connected with the cleaning box (1).
6. A cleaning device for precision parts according to claim 5, characterized in that the guide rod (19) is provided with a sliding member (21), the inner circumferential surface of the cleaning tank (1) is provided with an annular groove (20), and the sliding member (21) is located in the annular groove (20).
7. The cleaning device for precision parts according to claim 1, wherein the brush (16) is provided with a threaded hole, the rotating roller (15) is provided with a threaded groove, and the brush (16) and the rotating roller (15) are connected by a bolt thread.
8. The cleaning device for the precision parts according to claim 1, wherein the control valves on the liquid inlet pipe (23) and the liquid outlet pipe (22) are solenoid valves.
9. A cleaning device for precision parts according to claim 1, characterized in that the control valve on the exhaust pipe (24) is a pressure relief valve.
10. A cleaning apparatus for precision parts according to claim 1, characterized in that the direction of rotation of the first rotating member (5) is opposite to the direction of rotation of the second rotating member (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920718893.1U CN210936117U (en) | 2019-05-16 | 2019-05-16 | A belt cleaning device for accurate spare part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920718893.1U CN210936117U (en) | 2019-05-16 | 2019-05-16 | A belt cleaning device for accurate spare part |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210936117U true CN210936117U (en) | 2020-07-07 |
Family
ID=71394517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920718893.1U Expired - Fee Related CN210936117U (en) | 2019-05-16 | 2019-05-16 | A belt cleaning device for accurate spare part |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210936117U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112545013A (en) * | 2020-12-21 | 2021-03-26 | 梁海珍 | Swinging type raisin surface cleaning device with power rotation function |
CN112871834A (en) * | 2021-01-10 | 2021-06-01 | 梁云招 | Anti-rust equipment is used in electromechanical device accessory processing |
-
2019
- 2019-05-16 CN CN201920718893.1U patent/CN210936117U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112545013A (en) * | 2020-12-21 | 2021-03-26 | 梁海珍 | Swinging type raisin surface cleaning device with power rotation function |
CN112871834A (en) * | 2021-01-10 | 2021-06-01 | 梁云招 | Anti-rust equipment is used in electromechanical device accessory processing |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN210936117U (en) | A belt cleaning device for accurate spare part | |
CN208810634U (en) | A kind of wirerope cleaning drying integral machine | |
CN205762593U (en) | Rotary spray cleaning machine | |
CN206997152U (en) | A kind of new steel plate cleaner | |
CN206286238U (en) | Grain washing machine structure | |
CN212141879U (en) | Dust removal and air return device for external fan of oven | |
CN210408289U (en) | Cleaning equipment for 5A-level office building | |
CN108566153B (en) | Photovoltaic power plant is from cleaning device | |
CN209040967U (en) | A kind of rinsing type automotive air intake filter plant | |
CN110102115B (en) | Air curtain machine cleaning device | |
CN214292163U (en) | Intelligent electric spindle double-shaft type composite machine tool | |
CN209936636U (en) | Multi-station die-casting part polishing production line with centralized dust removal function | |
CN210253272U (en) | Cleaning equipment is used in precision bearing production | |
CN209577490U (en) | A kind of rice-pudding leaf belt bilayer cleaning device | |
CN209530320U (en) | A kind of automobile cartridge cleaning device | |
CN203061504U (en) | Air shower | |
CN211458807U (en) | Belt cleaning device is used in black peanut production | |
CN201086071Y (en) | Through type cleaning machine | |
CN211650619U (en) | From new fan wind gap dust remover of dust type | |
CN109124483A (en) | A kind of hand basin of automated cleaning | |
CN111020918B (en) | Fabric humidifying and dedusting device in garment production process | |
CN209654320U (en) | A kind of high pressure volution blast engine | |
CN218154686U (en) | Wisdom laboratory air cleaning device | |
CN210815861U (en) | Spraying device is used in trap production | |
CN216804228U (en) | Belt cleaning device is used in production of hot runner nozzle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20210516 |
|
CF01 | Termination of patent right due to non-payment of annual fee |