CN217663572U - Waste recovery device of concrete mixing plant - Google Patents
Waste recovery device of concrete mixing plant Download PDFInfo
- Publication number
- CN217663572U CN217663572U CN202221376473.8U CN202221376473U CN217663572U CN 217663572 U CN217663572 U CN 217663572U CN 202221376473 U CN202221376473 U CN 202221376473U CN 217663572 U CN217663572 U CN 217663572U
- Authority
- CN
- China
- Prior art keywords
- gear
- stone
- box
- transmission
- column
- 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
- 238000011084 recovery Methods 0.000 title claims abstract description 52
- 239000002699 waste material Substances 0.000 title claims description 37
- 239000004575 stone Substances 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 238000000926 separation method Methods 0.000 claims abstract description 35
- 239000004576 sand Substances 0.000 claims abstract description 33
- 238000004064 recycling Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000007873 sieving Methods 0.000 claims abstract description 11
- 239000010908 plant waste Substances 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims 5
- 238000007599 discharging Methods 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 5
- 238000005204 segregation Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a concrete mixing plant waste recovery device relates to recovery unit technical field, including collection box and the broken mechanism that has the separator box, feed inlet, separating mechanism. The utility model discloses a set up separating mechanism, smash the post and smash the post for one number and rotate the stone after driving the separation and remove in the separator box inside with two numbers, make the stone remove to unloading the stone intraductal portion from the separator box, and discharge from unloading the stone pipe, the grit that separates out on the stone drops to the sieve from the separator box on, it drives the transmission post rotation to connect the gear to pass through the drive belt, it drives sieve extrusion reset spring shrink and moves to drive a gear rotation extrusion connecting block, so drive the sieve vibrations repeatedly, with silt and grit alternate segregation in the grit, silt drops to unloading the sand plate from sieving the board simultaneously, and discharge from the inside of recovery box, can improve the separation recovery efficiency of recovery box, improve the recycling of resource.
Description
Technical Field
The utility model relates to a recovery unit technical field specifically is a concrete mixing plant waste recovery device.
Background
Concrete is because the tank car can appear the water clock at the material receiving in-process in the production process, stirs the waste material that appears always downstairs, perhaps in the production process waste material that machine, personnel scheduling problem appear to and the leftover bits that appear in the building site etc. are mostly directly poured into the stock ground, produce solid useless, and every stirring station produces thousands of tons of waste materials annually, brings wasting of resources and environmental pollution.
At present, the recovery effect to the concrete waste material is not good, and when utilizing grit splitter to separate the grit, can not separate the processing to the cubic grit for the grit separation effect is relatively poor, still can reduce the disengagement volume of grit, and current separator can only separate stone and grit and retrieve, leads to the recovery function singleness, makes the practicality of device lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a concrete mixing plant waste recovery device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a waste recovery device of a concrete mixing plant comprises a recovery box and a crushing mechanism with a separation box, wherein a feed inlet is formed in the top end of the recovery box, the separation box is located inside the recovery box and at the bottom end of the feed inlet, and separation mechanisms which are located on two sides of the separation box and penetrate through the recovery box to the outer wall of the recovery box are arranged inside the recovery box and are used for recycling separated waste;
separating mechanism is including unloading the stone pipe, crossing the sieve, unloading sand board, reset spring, it has two, two to unload the stone pipe and be located the outer wall one end of collection box, and run through the both sides of collection box to the separator box to be connected fixedly through welding and separator box, the board that sieves is located the inside of collection box, and is located the bottom of unloading stone pipe, separator box, it is located the bottom of sieve to unload the sand board to run through to outer wall one side of collection box, reset spring is located the sieve, unloads between the sand board, and is located the bottom of sieve to it is fixed with the board connection that sieves through the welding.
As a further aspect of the present invention: broken mechanism is still including a motor, drive gear, one number smash post, connection gear and No. two crushing posts, a motor is located the collection box and keeps away from the one end of unloading the stone pipe, drive gear is located the one side of unloading the stone pipe to run through to the inner wall of collection box, and rotate with the collection box through the bearing and be connected, the connection gear is located one side of drive gear, and is located the inner wall of collection box, and rotates with the collection box through the bearing and be connected, a crushing post is located the one end that a motor was kept away from to drive gear to run through the inner wall of collection box to the separator box, no. two crushing posts are located the one end of connecting the gear to run through the inner wall of word separator box, and are located one number one side of smashing the post.
As a further aspect of the present invention: separating mechanism is still including drive belt, transmission post, a gear and connecting block, the connecting block is located the bottom of sieve, and is located reset spring's one side, the transmission post is located one side that reset spring was kept away from to pass through the bearing rotation with the collection box and be connected, a gear is located the inside of collection box, and cup joints fixedly with the outer wall of transmission post, the drive belt is located the inner wall of collection box, and cup joints with the outer wall of transmission post, connecting gear.
As the utility model discloses further scheme again: the transmission gear is meshed with the connecting gear through the tooth block, a plurality of sieve holes are formed in the bottom end of the separating box, and a plurality of mutually meshed broken blocks are arranged on the outer walls of the second crushing column and the first crushing column.
As a further aspect of the present invention: one side that the sieve was kept away from to the collection box is provided with the discharge opening that matches with the board that sieves, the inner wall of collection box is provided with the drive groove with drive belt assorted, cross the sieve, unload and be provided with the backup pad of being connected fixedly with reset spring between the sand board.
As the utility model discloses further scheme again: discharge ports are formed in two sides of the separation box, collecting grooves matched with the discharge ports in the two sides of the separation box are formed in the top end of the stone unloading pipe, and rolling grooves matched with the stones are formed in the stone unloading pipe.
As the utility model discloses further scheme again: a gear passes through the tooth piece and laminates each other with the connecting block, the surface of crossing the sieve is provided with a plurality of fine sand holes that filter silt, unload the surface of sand board be provided with silt assorted transport tank.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the waste materials are poured into the separating box from the feeding hole through the crushing mechanism, the first motor is started at the same time, the first motor drives the transmission gear to rotate, the transmission gear rotates to drive the connecting gear to rotate, the connecting gear and the transmission gear rotate to respectively drive the first crushing column and the second crushing column to rotate, the first crushing column and the second crushing column rotate to crush the waste materials in the separating box through the crushing blocks on the outer wall, and the separation operation of the waste materials can be completed through mutual matching of the parts;
2. through setting up separating mechanism, smash the post and smash the post No. two and rotate the stone that drives after the separation and move in the separator box inside, make the stone remove to unloading the stone pipe inside from the separator box, and discharge from unloading the stone pipe, the grit that separates on the stone drops to on crossing the sieve from the separator box, connecting gear drives the transmission post through the drive belt and rotates, it drives sieve extrusion reset spring shrink and move to drive a gear revolve extrusion connecting block, so drive the sieve vibrations repeatedly, silt and grit alternate segregation in the grit, silt drops to unloading the sand board from the sieve board simultaneously, and discharge from the inside of collection box, through the mutually supporting between the above a plurality of parts, can improve the separation recovery efficiency of collection box, improve the recycling of resource.
Drawings
FIG. 1 is a schematic structural view of a waste recycling device of a concrete mixing plant;
FIG. 2 is a sectional view showing the construction of a recycling bin of a waste recycling apparatus for a concrete mixing plant;
FIG. 3 is a schematic view showing the connection between a transmission gear and a connecting gear of a waste recycling device of a concrete mixing plant;
fig. 4 is an enlarged view of a waste recycling device of a concrete mixing plant at a position A.
In the figure: 1. a recycling bin; 101. a feed inlet; 2. a crushing mechanism; 201. a first motor; 202. a transmission gear; 203. breaking the column; 204. a connecting gear; 205. crushing the second size; 206. a separation box; 3. a separating mechanism; 301. unloading the stone pipe; 302. passing through a sieve plate; 303. unloading the sand plate; 304. a return spring; 305. a transmission belt; 306. a drive post; 307. a first gear; 308. and (4) connecting the blocks.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, a waste recycling apparatus for a concrete mixing plant includes a recycling bin 1 and a crushing mechanism 2 having a separating bin 206, a feeding port 101 is disposed at a top end of the recycling bin 1, the separating bin 206 is located inside the recycling bin 1 and at a bottom end of the feeding port 101, and separating mechanisms 3 are disposed inside the recycling bin 1 and at two sides of the separating bin 206 and penetrate through the recycling bin 1 to an outer wall of the recycling bin 1, for recycling separated waste;
This kind of concrete mixing plant waste recovery device, the waste material gets into inside separator box 206 and accomplishes the broken separation to the waste material through crushing mechanism 2 through feed inlet 101 on 1 top of collection box, and the rethread unloads stone pipe 301, screens board 302, unloads husky board 303 and accomplishes the recycle to the material after the separation, can improve the recycle who installs.
In fig. 1 to 3: the crushing mechanism 2 further comprises a first motor 201, a transmission gear 202, a first crushing column 203, a connecting gear 204 and a second crushing column 205, the first motor 201 is located at one end, far away from the stone unloading pipe 301, of the recovery box 1, the transmission gear 202 is located at one side of the stone unloading pipe 301 and penetrates through the inner wall of the recovery box 1 and is rotatably connected with the recovery box 1 through a bearing, the connecting gear 204 is located at one side of the transmission gear 202 and is located on the inner wall of the recovery box 1 and is rotatably connected with the recovery box 1 through a bearing, the first crushing column 203 is located at one end, far away from the first motor 201, of the transmission gear 202 and penetrates through the inner wall of the recovery box 1 to the separation box 206, and the second crushing column 205 is located at one end of the connecting gear 204 and penetrates through the inner wall of the character separation box 206 and is located at one side of the first crushing column 203.
This kind of concrete mixing plant waste recovery device, pour waste material into the separator box 206 from feed inlet 101 inside, start motor 201 No. one simultaneously, motor 201 No. one drives drive gear 202 and rotates, drive gear 202 rotates and drives connecting gear 204 and rotates, connecting gear 204 and drive gear 202 rotate and drive one respectively and smash post 203 and smash post 205 rotation No. two, smash post 203 and smash post 205 rotation No. two and smash the operation to the waste material of separator box 206 inside through the broken piece of outer wall, can accomplish the separation operation to the waste material.
In fig. 2 to 4: separating mechanism 3 is still including drive belt 305, drive column 306, gear 307 and connecting block 308, connecting block 308 is located the bottom of crossing sieve 302, and is located one side of reset spring 304, drive column 306 is located connecting block 308 and keeps away from one side of reset spring 304, and pass through the bearing rotation with collection box 1 and be connected, gear 307 is located the inside of collection box 1, and cup joint fixedly with the outer wall of drive column 306, drive belt 305 is located the inner wall of collection box 1, and cup joint with drive column 306, the outer wall of connecting gear 204.
The waste recovery device for the concrete mixing plant comprises a first crushing column 203 and a second crushing column 205, wherein the first crushing column and the second crushing column can drive separated stones to move inside a separation box 206, so that the stones can move from the inside of the separation box 206 to the inside of a stone unloading pipe 301 and can be discharged from the stone unloading pipe 301, meanwhile, sand and stones separated from the stones drop onto a sieving plate 302 from the separation box 206, meanwhile, a connecting gear 204 rotates to drive a transmission column 306 to rotate through a transmission belt 305, the transmission column 306 rotates to drive a gear 307 to rotate to extrude a connecting block 308 to drive the sieving plate 302 to extrude a reset spring 304 to shrink and move, the gear 307 rotates to relieve the extrusion of the connecting block 308, the reset spring 304 resets to drive the sieving plate 302 to reset and vibrate, so that silt and sand and stones in the sand and stones are repeatedly driven to be separated from each other through the vibration of the sieving plate 302, and the silt drops onto the sand unloading plate 301 from the sieving plate 302 and is discharged from the inside of a recovery box 1, the separation recovery efficiency of the recovery box 1 can be improved, and the reutilization of resources can be improved.
In fig. 1 to 3: the transmission gear 202 is meshed with the connecting gear 204 through a tooth block, a plurality of sieve holes are formed in the bottom end of the separating box 206, and a plurality of mutually meshed crushing pieces are arranged on the outer walls of the second crushing column 205 and the first crushing column 203.
This kind of concrete mixing plant waste recovery device smashes the broken piece of post 205, the outer wall of post 203 through number one, alright completion is to the broken separation operation of waste material.
In FIGS. 2 to 4: one side of the recycling bin 1 far away from the screen plate 302 is provided with a discharge opening matched with the screen plate 302, the inner wall of the recycling bin 1 is provided with a transmission groove matched with a transmission belt 305, and a support plate fixedly connected with a return spring 304 is arranged between the screen plate 302 and the sand unloading plate 303.
This kind of concrete mixing plant waste recovery device, grit and silt through after the separation move on sieving plate 302 and sieve, and the grit and silt of being convenient for shift out from collection box 1 is inside, accomplish the separation and retrieve.
In fig. 2 to 4: discharge ports are formed in two sides of the separating box 206, collecting grooves matched with the discharge ports in two sides of the separating box 206 are formed in the top end of the stone unloading pipe 301, and rolling grooves matched with the stones are formed in the stone unloading pipe 301.
This kind of concrete mixing plant waste recovery device, the discharge gate through the both sides of separator box 206, be convenient for the inside great stone of separator box 206 from inside the removal of separator box 206 to unloading in the stone pipe 301.
In fig. 2 to 4: gear 307 passes through the tooth piece and laminates each other with connecting block 308, and the surface of sieving board 302 is provided with a plurality of fine sand holes that filter silt, unload the surface of sand board 303 be provided with silt assorted conveyer trough.
This kind of concrete mixing plant waste recovery device drives a gear 307 through transmission shaft 306 and rotates, and a gear 307 of being convenient for rotates and passes through the sieve 302 vibrations of connecting block 308 drive and sieve.
The utility model discloses a theory of operation is: when the waste is required to be separated, the waste is poured into the separation box 206 from the feed port 101, the first motor 201 is started, the first motor 201 drives the transmission gear 202 to rotate, the transmission gear 202 rotates to drive the connecting gear 204 to rotate, the connecting gear 204 and the transmission gear 202 rotate to respectively drive the first breaking column 203 and the second breaking column 205 to rotate, the first breaking column 203 and the second breaking column 205 rotate to break the waste in the separation box 206 through the breaking blocks on the outer wall, the waste can be separated, when the separated waste is required to be recycled, the first breaking column 203 and the second breaking column 205 rotate to drive the separated waste to move in the separation box 206, so that the stone moves from the inside of the separation box 206 to the inside of the stone unloading pipe 301 and is discharged from the stone unloading pipe 301, meanwhile, the sand separated from the stone falls from the separation box 206 to the sieving plate 302, the connecting gear 204 rotates to drive the transmission column 306 to rotate through the transmission belt 305, the transmission column 307 rotates to drive the first gear 307 to extrude the sand and shrink the sand and sand recovery spring from the sieving plate 302, and sand recovery box 302, and sand recovery efficiency can be improved through the recovery and recovery of the sieve plate 302, and the sand recovery spring recovery box 302, and recovery device 302, and sand recovery device can recover sand.
The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.
Claims (7)
1. The waste recovery device for the concrete mixing plant comprises a recovery tank (1) and a crushing mechanism (2) with a separation tank (206), wherein a feed inlet (101) is formed in the top end of the recovery tank (1), and the separation tank (206) is located at the bottom end of the feed inlet (101), and is characterized in that the separation mechanism (3) is arranged inside the recovery tank (1) and is used for recycling the separated waste;
separating mechanism (3) are including unloading stone pipe (301), sieving board (302), unloading sand board (303), reset spring (304), unload the both sides that stone pipe (301) are located separator box (206), cross the bottom that sieve board (302) are located unloading stone pipe (301), separator box (206), unload the bottom that sand board (303) are located sieve board (302), reset spring (304) are located sieve board (302), unload between sand board (303).
2. The waste recovery device for the concrete mixing plant according to claim 1, wherein the crushing mechanism (2) further comprises a first motor (201), a transmission gear (202), a first crushing column (203), a connecting gear (204) and a second crushing column (205), the first motor (201) is located at one end of the recovery box (1) far away from the stone unloading pipe (301), the transmission gear (202) is located at one side of the stone unloading pipe (301), the connecting gear (204) is located at one side of the transmission gear (202), the first crushing column (203) is located at one end of the transmission gear (202) far away from the first motor (201), and the second crushing column (205) is located at one side of the first crushing column (203).
3. The waste recycling device of the concrete mixing plant according to claim 2, wherein the separating mechanism (3) further comprises a transmission belt (305), a transmission column (306), a first gear (307) and a connecting block (308), the connecting block (308) is located at the bottom end of the screen plate (302), the transmission column (306) is located at one side of the connecting block (308) far away from the return spring (304), the first gear (307) is fixedly sleeved with the outer wall of the transmission column (306), and the transmission belt (305) is sleeved with the outer walls of the transmission column (306) and the connecting gear (204).
4. The waste recycling device of the concrete mixing plant according to claim 2, characterized in that the transmission gear (202) is meshed with the connecting gear (204) through a gear block, the bottom end of the separating box (206) is provided with a plurality of screening holes, and the outer walls of the second crushing column (205) and the first crushing column (203) are provided with a plurality of meshed crushing pieces.
5. The concrete mixing plant waste recycling device according to claim 3, wherein a discharge opening matched with the screening plate (302) is arranged on one side of the recycling bin (1) far away from the screening plate (302), a transmission groove matched with the transmission belt (305) is arranged on the inner wall of the recycling bin (1), and a support plate fixedly connected with the return spring (304) is arranged between the screening plate (302) and the sand discharging plate (303).
6. The waste recycling device of the concrete mixing plant according to claim 3, wherein discharge ports are arranged on two sides of the separation box (206), a collecting groove matched with the discharge ports on two sides of the separation box (206) is arranged at the top end of the stone unloading pipe (301), and a rolling groove matched with the stone blocks is arranged inside the stone unloading pipe (301).
7. The waste recovery device of the concrete mixing plant according to claim 3, wherein the first gear (307) is attached to the connecting block (308) through a tooth block, the surface of the screening plate (302) is provided with a plurality of fine sand holes for filtering sand, and the surface of the sand discharging plate (303) is provided with a conveying groove matched with the sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221376473.8U CN217663572U (en) | 2022-06-05 | 2022-06-05 | Waste recovery device of concrete mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221376473.8U CN217663572U (en) | 2022-06-05 | 2022-06-05 | Waste recovery device of concrete mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217663572U true CN217663572U (en) | 2022-10-28 |
Family
ID=83705846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221376473.8U Active CN217663572U (en) | 2022-06-05 | 2022-06-05 | Waste recovery device of concrete mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217663572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024124937A1 (en) * | 2022-12-13 | 2024-06-20 | 山东方大工程有限责任公司 | Material resource recycling device for construction engineering and using method thereof |
-
2022
- 2022-06-05 CN CN202221376473.8U patent/CN217663572U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024124937A1 (en) * | 2022-12-13 | 2024-06-20 | 山东方大工程有限责任公司 | Material resource recycling device for construction engineering and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100497318B1 (en) | Manufacturing method and apparatus for recycle sand exploiting construction waste concrete | |
| CN112756047A (en) | Mechanical equipment for preparing regenerated sand stone material by utilizing building garbage particles | |
| CN116889914A (en) | Solid-powder separation-based garbage recycling device for building construction | |
| CN217663572U (en) | Waste recovery device of concrete mixing plant | |
| CN116943842B (en) | Waste concrete crushing treatment device | |
| CN212018070U (en) | A breaker for heavy metal contaminated soil | |
| KR100434799B1 (en) | The Method of Production for Recycling Sand using Construction Waste and Apparatus thereof | |
| CN110813510B (en) | Construction waste layering breaker | |
| CN221016545U (en) | Mineral crushing and filtering equipment | |
| CN215277565U (en) | Waste recovery device for ready-mixed concrete mixing plant | |
| CN115463832B (en) | Battery crushed material hydrodynamic sorting system | |
| KR200311094Y1 (en) | Manufacturing method and apparatus for recycle sand exploiting construction waste concrete | |
| CN210411887U (en) | Recycling assembly of mortar material | |
| CN217450456U (en) | Stone crusher for water conservancy construction | |
| CN216368180U (en) | Recycling device for preparing superfine copper powder | |
| CN112791797B (en) | Method for preparing aerated concrete aggregate by using construction waste | |
| CN213102413U (en) | Automatic processing device of mineral processing machinery | |
| KR200236742Y1 (en) | Apparatus for Recycling of Concrete Scrapped Material | |
| CN223774899U (en) | Waste recycling device for prefabricated part production | |
| KR200370529Y1 (en) | Recycled aggregate sorting device | |
| JPS6349264A (en) | Gravel regenerator | |
| CN108246459A (en) | A kind of construction waste breaker | |
| CN115245867A (en) | Tombarthite ore's treatment facility that becomes more meticulous | |
| CN117000410B (en) | Equipment and method for producing masonry cement from construction waste | |
| CN219150245U (en) | A new type of concrete separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |