CN220502727U - Sewage bubble removal device for thickening tank - Google Patents
Sewage bubble removal device for thickening tank Download PDFInfo
- Publication number
- CN220502727U CN220502727U CN202322058905.1U CN202322058905U CN220502727U CN 220502727 U CN220502727 U CN 220502727U CN 202322058905 U CN202322058905 U CN 202322058905U CN 220502727 U CN220502727 U CN 220502727U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- box
- dwang
- wall
- threaded 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.)
- Active
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 24
- 230000008719 thickening Effects 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 210000005056 cell body Anatomy 0.000 claims description 8
- 239000006260 foam Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Removal Of Floating Material (AREA)
Abstract
The utility model discloses a sewage defoaming device for a thickening tank, which particularly relates to the technical field of thickening tanks, and comprises a tank body, wherein one side of the outer surface of a rectangular box is fixedly connected with two T-shaped rods, one end of the outer surface of a hose, which is far away from a water outlet pipe, is fixedly connected with the outer surface of a tank box.
Description
Technical Field
The utility model relates to the technical field of a thickening tank, in particular to a sewage bubble removal device of the thickening tank.
Background
The dense pool is solid-liquid separation equipment based on gravity sedimentation, is generally a cylindrical shallow groove with a cone bottom built by using concrete, wood or metal welding plates as structural materials, and is mainly applied to water treatment in metal electroplating, steel smelting, textile industry and the like.
The inventor finds that the bubble on the upper layer of the water surface can appear in the process of treating sewage in the dense pool in daily work, if the bubble is more and the thickness is larger, but when the thickness of the bubble is overlarge, the bubble can increase the solid content on the upper layer of the water body and the water surface, so that the dense pool has poor sewage treatment effect.
In order to solve the problem that the dense pool is poor in sewage treatment effect due to the fact that floating bubbles appear on the upper layer of the water surface in the sewage treatment process, if the floating bubbles are more and the thickness is larger, but when the thickness of the foam is overlarge, the foam can increase the upper layer of the water body and the solid content of the water surface, the water and the foam on the surface of the dense pool are pumped out by a water pump to be sucked into the pump body to be scattered, and then the water is put back into the dense pool to be treated, but in such a mode, workers are additionally added in the sewage treatment process to extract the foam, and the use cost of the dense pool is increased.
Disclosure of Invention
The utility model provides a sewage defoaming device for a dense pool, which aims to solve the problems that water and foam on the surface of the dense pool are pumped into a pump body by a water pump to be scattered, and then the water is put back into the dense pool to be treated, but workers are additionally added in the sewage treatment process of the dense pool to perform foam extraction work, so that the use cost of the dense pool is increased.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a dense pond sewage bubble removal device, includes the cell body, the surface top of cell body is provided with the dwang, the dwang rotates on the surface top of cell body, the surface of dwang is provided with bubble removal device, bubble removal device includes motor and rectangle box, the motor is located the inside bottom of dwang, the output fixedly connected with first threaded rod of motor, first threaded rod rotates at the inner wall of dwang, rectangular channel and spout have been seted up to the surface of dwang, the surface threaded connection of first threaded rod has the groove box, the groove box slides at the inner wall of spout, the surface bottom of groove box is provided with the shower nozzle, two T-shaped grooves have been seted up to the surface one end that the dwang is close to the motor, two T-shaped bars of surface one side fixedly connected with of rectangle box, the surface of rectangle box is provided with the outlet pipe, the inner wall slip of outlet pipe is inserted and is equipped with the hose, the surface fixedly connected with of the one end and the groove box of keeping away from the outlet pipe of hose.
The effects achieved by the components are as follows: through setting up the shower nozzle, the dense pond is when carrying out sewage treatment, insert the T shape pole of rectangle box surface inside the T shape groove of dwang surface, make the rectangle box fix the surface at the dwang, insert outlet pipe department with the one end of hose afterwards, the operation motor just reverses the inner wall rotation of driving first threaded rod at the dwang, make the groove box reciprocate the slip around the inner wall of spout, the surface of hose can remove in the inside of rectangle groove simultaneously, transport the inside of groove box with the inside bubble removal agent of rectangle box through the hose, spray the bubble removal agent to the surface of water foam of surface of water through the shower nozzle of groove box surface bottom.
Preferably, one end of the rotating rod, which is far away from the motor, is fixedly connected with a bearing, the outer surface of the first threaded rod is fixedly connected with the inner wall of the inner ring of the bearing, the outer surface of the outer ring of the bearing is fixedly connected with the inner wall of the rotating rod, and the inner ring of the bearing rotates on the inner wall of the outer ring.
The effects achieved by the components are as follows: the stability of the first threaded rod during rotation can be improved and the abrasion of the outer surface of the first threaded rod during rotation can be reduced through the arrangement of the bearing, so that the service life of the first threaded rod can be prolonged.
Preferably, the inner wall of the rotating rod is fixedly connected with a positioning rod, and the groove box slides on the outer surface of the positioning rod.
The effects achieved by the components are as follows: the groove box can slide on the outer surface of the positioning rod when the inner wall of the chute slides, and the angle between the groove box and the rotating rod can be fixed through the positioning rod, so that the groove box is more stable in the moving process.
Preferably, a U-shaped rod is fixedly connected to one side of the outer surface of the rectangular box, and a rectangular block is fixedly connected to one side of the outer surface of the rectangular box.
The effects achieved by the components are as follows: the outer surfaces of the U-shaped rod and the rectangular block can be lifted more conveniently by hand, so that the T-shaped rod is separated from the rectangular groove, and the rectangular box is detached for convenient cleaning or replacement.
Preferably, one end that the surface of rectangle box is close to the outlet pipe is provided with auxiliary device, auxiliary device includes the rectangle frame, the surface of rectangle frame and the surface fixed connection of rectangle box, the inner wall of rectangle frame rotates and is connected with the second threaded rod, the surface threaded connection of second threaded rod has two screwed rings, the surface one side fixedly connected with semicircle piece of screwed ring, one side fixedly connected with ring of screwed ring is kept away from to the surface of semicircle piece, the inner wall fixedly connected with cylinder pole of rectangle frame, the ring slides at the surface of cylinder pole.
The effects achieved by the components are as follows: through setting up the semicircle piece, can rotate the second threaded rod after inserting the inside of outlet pipe with the one end of hose and make two screwed rings remove in the surface of second threaded rod and be close to each other, drive the ring of semicircle piece surface at the surface of cylinder pole and remove the position pressure of adjusting two semicircle pieces and stabilize the connection of hose and outlet pipe at the surface of hose.
Preferably, the top end of the outer surface of the second threaded rod is fixedly connected with a cylindrical block, and a plurality of protrusions are arranged on the outer surface of the cylindrical block.
The effects achieved by the components are as follows: the friction force between the hands and the cylindrical block can be increased when the cylindrical block is rotated at the bulge, so that the cylindrical block is rotated to control the second threaded rod more conveniently and difficultly slides by hands.
Preferably, a semicircular sheet is fixedly connected to one side of the outer surface of the semicircular block, and the semicircular sheet is a rubber sheet made of rubber.
The effects achieved by the components are as follows: the rubber semi-circular sheet is arranged, so that the semi-circular sheet is more stable when being pressed on the outer surface of the hose to fix the position of the hose, and the hose is not easy to slide.
In summary, the beneficial effects of the utility model are as follows:
through setting up the shower nozzle, the dense pond is when carrying out sewage treatment, insert the T shape pole of rectangle box surface inside the T shape groove of dwang surface, make the rectangle box fix the surface at the dwang, insert outlet pipe department with the one end of hose afterwards, the operation motor just reverses the inner wall rotation of driving first threaded rod at the dwang, make the groove box reciprocate the slip around the inner wall of spout, the surface of hose can remove in the inside of rectangle groove simultaneously, transport the inside of groove box with the inside bubble removal agent of rectangle box through the hose, spray the bubble removal agent to the surface of water foam of surface of water through the shower nozzle of groove box surface bottom.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic view of a partial cross-sectional front perspective view of a turning lever according to the present utility model.
FIG. 3 is a schematic view of a partial cross-sectional bottom perspective view of a turning lever according to the present utility model.
Fig. 4 is a schematic perspective view of a rectangular box according to the present utility model.
Fig. 5 is a partially enlarged perspective view of fig. 3 according to the present utility model.
Fig. 6 is a partially enlarged perspective view of fig. 4 at B according to the present utility model.
Reference numerals illustrate:
1. a cell body; 2. a de-bubbling device; 3. an auxiliary device; 4. a rotating lever; 21. a T-shaped groove; 22. a T-bar; 23. a rectangular box; 24. a water outlet pipe; 25. a hose; 26. rectangular blocks; 27. a U-shaped rod; 28. a slot box; 29. a first threaded rod; 210. a motor; 211. a spray head; 212. a bearing; 213. a positioning rod; 214. rectangular grooves; 215. a chute; 31. a rectangular frame; 32. a second threaded rod; 33. a cylindrical rod; 34. a circular ring; 35. a semicircle block; 36. a semi-wafer; 37. a threaded ring; 38. cylindrical blocks.
Description of the embodiments
Referring to fig. 1, 2, 3 and 4, this embodiment discloses a dense pond sewage bubble removing apparatus, which comprises a pond body 1, the surface top of the pond body 1 is provided with a rotating rod 4, the rotating rod 4 rotates at the surface top of the pond body 1, the surface of the rotating rod 4 is provided with a bubble removing apparatus 2, the bubble removing apparatus 2 comprises a motor 210 and a rectangular box 23, the motor 210 is positioned at the inner bottom end of the rotating rod 4, the output end of the motor 210 is fixedly connected with a first threaded rod 29, the first threaded rod 29 rotates at the inner wall of the rotating rod 4, the surface of the rotating rod 4 is provided with a rectangular groove 214 and a chute 215, the outer surface thread of the first threaded rod 29 is connected with a chute box 28, the chute box 28 slides at the inner wall of the chute 215, the outer surface bottom end of the chute box 28 is provided with a spray head 211, one end of the rotating rod 4, which is close to the outer surface of the motor 210, is provided with two T-shaped grooves 21, two T-shaped rods 22 are fixedly connected to one side of the outer surface of the rectangular box 23, a water outlet pipe 24 is arranged on the outer surface of the rectangular box 23, a hose 25 is inserted into the inner wall of the water outlet pipe 24 in a sliding manner, one end, far away from the water outlet pipe 24, of the outer surface of the hose 25 is fixedly connected with the outer surface of a groove box 28, through the arrangement of a spray head 211, when the thickening tank is used for sewage treatment, the T-shaped rods 22 on the outer surface of the rectangular box 23 are inserted into the T-shaped grooves 21 on the outer surface of the rotating rod 4, the rectangular box 23 is fixed on the outer surface of the rotating rod 4, then one end of the hose 25 is inserted into the water outlet pipe 24, the operation motor 210 rotates positively and negatively to drive the first threaded rod 29 to rotate on the inner wall of the rotating rod 4, the groove box 28 slides back and forth on the inner wall of a chute 215, meanwhile, the outer surface of the hose 25 moves in the rectangular groove 214, and the foam remover in the rectangular box 23 is conveyed into the groove box 28 through the hose 25, the foam remover is sprayed to the water surface through a spray head 211 at the bottom end of the outer surface of the tank box 28 to remove foam from the water surface.
Referring to fig. 1, 2, 3, 4 and 5, in this embodiment: one end fixedly connected with bearing 212 of motor 210 is kept away from to the inside of dwang 4, the surface of first threaded rod 29 and the inner circle inner wall fixed connection of bearing 212, the outer lane surface of bearing 212 and the inner wall fixed connection of dwang 4, the inner circle of bearing 212 rotates at the inner wall of outer lane, stability when first threaded rod 29 rotates can be increased through setting up bearing 212 and the wearing and tearing increase of service life of surface when reducing first threaded rod 29 rotation, the inner wall fixedly connected with locating lever 213 of dwang 4, the cell box 28 slides at the surface of locating lever 213, the cell box 28 can slide at the surface of locating lever 213 when the inner wall of spout 215 slides, can fix the angle between cell box 28 and the dwang 4 through locating lever 213 and make cell box 28 more stable at the in-process that removes.
Referring to fig. 1, 2, 3, 4 and 5, in this embodiment: the U-shaped rod 27 is fixedly connected to one side of the outer surface of the rectangular box 23, the rectangular block 26 is fixedly connected to one side of the outer surface of the rectangular box 23, and the rectangular box 23 can be lifted more conveniently by holding the outer surfaces of the U-shaped rod 27 and the rectangular block 26 so that the T-shaped rod 22 is separated from the rectangular groove 214, and the rectangular box 23 is detached for cleaning or replacement conveniently.
Referring to fig. 1, 4 and 6, in this embodiment: the outer surface of rectangle box 23 is close to the one end of outlet pipe 24 and is provided with auxiliary device 3, auxiliary device 3 includes rectangle frame 31, the surface of rectangle frame 31 and the surface fixed connection of rectangle box 23, the inner wall of rectangle frame 31 rotates and is connected with second threaded rod 32, the surface threaded connection of second threaded rod 32 has two screwed rings 37, the surface one side fixedly connected with semicircle piece 35 of screwed ring 37, the surface of semicircle piece 35 is kept away from the side fixedly connected with ring 34 of screwed ring 37, the inner wall fixedly connected with cylinder pole 33 of rectangle frame 31, ring 34 slides at the surface of cylinder pole 33, through setting up semicircle piece 35, can rotate second threaded rod 32 after inserting the inside of outlet pipe 24 with the one end of hose 25 and make two screwed rings 37 remove each other near at the surface of second threaded rod 32, drive the ring 34 of semicircle piece 35 surface at the surface removal adjustment semicircle piece 35 the surface position of semicircle piece 35 presses the hose 25 and stabilizes with the connection of outlet pipe 24.
Referring to fig. 1, 4 and 6, in this embodiment: the cylinder piece 38 is fixedly connected with the surface top of the second threaded rod 32, a plurality of bulges are arranged on the surface of the cylinder piece 38, friction force generated when the bulges rotate the cylinder piece 38 and the cylinder piece 38 are contacted is increased, the rotation of the cylinder piece 38 is more convenient and difficult to slide when controlling the second threaded rod 32, a semicircular piece 36 is fixedly connected to one side of the outer surface of the semicircular piece 35, the semicircular piece 36 is a rubber piece made of rubber, the semicircular piece 35 is pressed on the outer surface of the hose 25 to fix the position of the hose 25 by arranging the rubber semicircular piece 36, and the hose 25 is difficult to slide.
The working principle is as follows: when the sewage in the tank body 1 is treated by the thickening tank, foam on the water surface is required to be removed, firstly, the rectangular block 26 holding the outer surface of the rectangular box 23 and the U-shaped rod 27 are inserted into the T-shaped groove 21 on the outer surface of the rotating rod 4 to enable the rectangular box 23 to be fixed on the outer surface of the rotating rod 4, then one end of the hose 25 is inserted into the water outlet pipe 24, the cylindrical block 38 is rotated at the bulge to control the second threaded rod 32 to rotate on the inner wall of the rectangular frame 31, the two threaded rings 37 driving the outer surface of the second threaded rod 32 to mutually approach to enable the annular rings 34 on the outer surfaces of the two semicircular blocks 35 to slide on the outer surface of the cylindrical rod 33, the connection between the hose 25 and the water outlet pipe 24 is stabilized by pressing the semicircular blocks 35 on the outer surface of the hose 25, the rubber semicircular disc 36 on the outer surface of the semicircular blocks 35 enables the position fixing of the hose 25 to be more stable and not easy to slide, then, the prepared foam removing agent is added into the rectangular box 23, the operation motor 210 rotates positively and negatively to drive the first threaded rod 29 to rotate on the inner wall of the rotating rod 4, so that the groove box 28 slides back and forth on the inner wall of the sliding groove 215, meanwhile, one end of the outer surface of the hose 25 moves in the rectangular groove 214, the foam removing agent in the rectangular box 23 is conveyed to the inside of the groove box 28 through the hose 25, the foam removing agent is sprayed to the water surface through the spray nozzle 211 at the bottom end of the outer surface of the groove box 28, the stability of the first threaded rod 29 during rotation can be improved by the bearing 212, the groove box 28 slides on the outer surface of the positioning rod 213 during movement of the inner wall of the sliding groove 215, and the angle between the groove box 28 and the rotating rod 4 can be fixed through the positioning rod 213, so that the groove box 28 is more stable during movement.
Claims (7)
1. The utility model provides a dense pond sewage bubble removal device, includes cell body (1), its characterized in that: the utility model discloses a water outlet pipe, including cell body (1), cell body (4) are provided with dwang (4) on the surface top, dwang (4) are at the surface top of cell body (1) rotation, the surface of dwang (4) is provided with bubble removal device (2), bubble removal device (2) are including motor (210) and rectangle box (23), motor (210) are located the inside bottom of dwang (4), the output fixedly connected with first threaded rod (29) of motor (210), first threaded rod (29) rotate at the inner wall of dwang (4), rectangular channel (214) and spout (215) have been seted up to the surface of dwang (4), the surface threaded connection of first threaded rod (29) has groove box (28), groove box (28) are slided at the inner wall of spout (215), the surface bottom of groove box (28) is provided with shower nozzle (211), two T-shaped groove (21) have been seted up to the surface one end that dwang (4) is close to motor (210), the surface one side fixedly connected with first threaded rod (29) at the inner wall of dwang (4), two rectangle-shaped outer wall (24) have two hose (24), one end of the outer surface of the hose (25) far away from the water outlet pipe (24) is fixedly connected with the outer surface of the groove box (28).
2. The dense pool sewage bubble removal apparatus of claim 1, wherein: one end of the inside of dwang (4) that keeps away from motor (210) fixedly connected with bearing (212), the surface of first threaded rod (29) and the inner wall fixed connection of the inner circle of bearing (212), the outer lane surface of bearing (212) and the inner wall fixed connection of dwang (4), the inner circle of bearing (212) rotates at the inner wall of outer lane.
3. The dense pool sewage bubble removal apparatus of claim 1, wherein: the inner wall of the rotating rod (4) is fixedly connected with a positioning rod (213), and the groove box (28) slides on the outer surface of the positioning rod (213).
4. The dense pool sewage bubble removal apparatus of claim 1, wherein: the outer surface side of the rectangular box (23) is fixedly connected with a U-shaped rod (27), and the outer surface side of the rectangular box (23) is fixedly connected with a rectangular block (26).
5. The dense pool sewage bubble removal apparatus of claim 1, wherein: the utility model discloses a water outlet pipe, including rectangle box (23), surface of rectangle box (23) is close to the one end of outlet pipe (24) and is provided with auxiliary device (3), auxiliary device (3) include rectangle frame (31), the surface one side of rectangle frame (31) and the surface fixed connection of rectangle box (23), the inner wall of rectangle frame (31) rotates and is connected with second threaded rod (32), the surface threaded connection of second threaded rod (32) has two screwed rings (37), the surface one side fixedly connected with semicircle piece (35) of screwed ring (37), one side fixedly connected with ring (34) of screwed ring (37) is kept away from to the surface of semicircle piece (35), the inner wall fixedly connected with cylinder pole (33) of rectangle frame (31), ring (34) are at the surface slip of cylinder pole (33).
6. The dense pond sewage bubble removal apparatus of claim 5, wherein: the top end of the outer surface of the second threaded rod (32) is fixedly connected with a cylindrical block (38), and a plurality of protrusions are arranged on the outer surface of the cylindrical block (38).
7. The dense pond sewage bubble removal apparatus of claim 5, wherein: a semicircular sheet (36) is fixedly connected to one side of the outer surface of the semicircular block (35), and the semicircular sheet (36) is a rubber sheet made of rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322058905.1U CN220502727U (en) | 2023-08-02 | 2023-08-02 | Sewage bubble removal device for thickening tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322058905.1U CN220502727U (en) | 2023-08-02 | 2023-08-02 | Sewage bubble removal device for thickening tank |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220502727U true CN220502727U (en) | 2024-02-20 |
Family
ID=89878027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322058905.1U Active CN220502727U (en) | 2023-08-02 | 2023-08-02 | Sewage bubble removal device for thickening tank |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220502727U (en) |
-
2023
- 2023-08-02 CN CN202322058905.1U patent/CN220502727U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106238395B (en) | A kind of waste and old mosaic tiles quick treatment device | |
CN109047221A (en) | A kind of red wine bottle recycling being adapted to midget plant is with scraping marking device | |
CN108655922A (en) | It is a kind of that waste and old steel pipe is facilitated to carry out polishing derusting and segmentation cutting integrated apparatus | |
CN208320928U (en) | A kind of lash adjusting device of construction waste crusher | |
CN220502727U (en) | Sewage bubble removal device for thickening tank | |
CN204912211U (en) | Wall body paint produce agitator bucket wall cleaning device | |
CN208196422U (en) | A kind of bearing shell burr remover | |
CN109718977A (en) | A kind of casting mould maintenance clamping rack with automatic oiling | |
CN208960452U (en) | It is a kind of with the derusting automation equipment for getting function express developed | |
CN214918650U (en) | Environment-friendly ultrahigh pressure cleaning machine with adjustable injection angle | |
CN207347829U (en) | A kind of convenient parchmentizing bath for removing bottom dirt | |
CN216460517U (en) | Spare part belt cleaning device is used in new energy automobile production | |
CN212216417U (en) | Workpiece cleaning device for industrial manufacturing | |
CN205129573U (en) | Outer surface grinding machine of portable steel pipe | |
CN210998056U (en) | Water conservancy construction pipeline surface rust cleaning device | |
CN209138127U (en) | A kind of sewage disposal device being conveniently replaceable filter core | |
CN206299124U (en) | A kind of template mixed mud cleaner | |
CN105645568B (en) | Aeration cylinder | |
CN206029554U (en) | Cutting tool is with rust cleaning maintenance device | |
CN205821501U (en) | A kind of hard chrome axle plating bath arrangement | |
CN109622937A (en) | A kind of casting mould positioning clamping rack | |
CN211414655U (en) | Sphere polisher | |
CN218927221U (en) | Sealing ring chamfering machine | |
CN218746991U (en) | Reinforcing steel bar processing device | |
CN204714716U (en) | A kind of efficient glaze line aluminum oxide prime cement machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |