CN223197607U - A device for cleaning cloth bags - Google Patents
A device for cleaning cloth bagsInfo
- Publication number
- CN223197607U CN223197607U CN202422345786.2U CN202422345786U CN223197607U CN 223197607 U CN223197607 U CN 223197607U CN 202422345786 U CN202422345786 U CN 202422345786U CN 223197607 U CN223197607 U CN 223197607U
- Authority
- CN
- China
- Prior art keywords
- cleaning
- bevel gear
- cloth bag
- supporting plate
- fixedly connected
- 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
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The application relates to a device for cleaning a cloth bag, which relates to the technical field of cloth bag cleaning and comprises a cleaning box, wherein a supporting plate is fixedly connected to the inner wall of the cleaning box, a spray pipe is arranged on the supporting plate, a spray head assembly for spraying water to the inner wall of the cloth bag is arranged at the upper end of the spray pipe, a water inlet pipe is sleeved on the lower end of the spray pipe, the water inlet of the water inlet pipe is positioned at the outer side of the cleaning box, a vertical rod is arranged on the supporting plate, a cleaning frame for fixing the cloth bag is fixedly connected to the upper end of the vertical rod, a sewage drain pipe is arranged at the lower end face of the cleaning box, and a suction filter is connected to one end, far away from the cleaning box, of the sewage drain pipe and is used for filtering and purifying sewage. The cloth bag cleaning device has the effect of improving cloth bag cleaning efficiency and cleaning quality.
Description
Technical Field
The application relates to the technical field of cloth bag cleaning, in particular to a device for cloth bag cleaning.
Background
In the electrowinning of silver, cloth bags are often used to collect anode mud. The conventional cleaning method generally puts the cloth bag into a water tank for cleaning, which causes anode mud to pollute a water source and further adsorb on the surface of the cloth bag to influence the quality of mother liquor in the subsequent electrolysis process.
Currently, conventional cleaning methods are to put the cloth bag directly into a water tank and clean the cloth bag by manual or mechanical stirring. However, this method is easy to disperse the anode mud in water and then to re-adsorb the anode mud to the outer surface of the cloth bag. Not only the efficiency is low, but also the anode mud residue on the outer surface of the cloth bag can not be effectively removed.
Disclosure of utility model
In order to improve cloth bag cleaning efficiency and cleaning quality, the application provides a device for cloth bag cleaning.
The application provides a device for cleaning a cloth bag, which adopts the following technical scheme:
The utility model provides a be used for abluent device of sack, includes washs the case, washs incasement wall fixedly connected with backup pad, is equipped with the shower in the backup pad, and the shower upper end is equipped with the shower subassembly that is used for spraying water to the sack inner wall, and the shower lower extreme passes backup pad and outer wall cover and is equipped with the inlet tube, and the water inlet of inlet tube is located washs the case outside, is equipped with the montant in the backup pad, and montant upper end fixedly connected with is used for the wash rack of fixed sack, washs the case lower terminal surface and is equipped with the blow off pipe, and the one end that washs the case was kept away from to the blow off pipe is connected with the suction filter, and the suction filter is used for filtering sewage purification.
Through adopting above-mentioned technical scheme, with the sack back-off on the wash rack, the sack mouth sets up downwards, fixes the sack back-off on the wash rack, then opens outside high-pressure water source, and water passes through inlet tube, shower, spouts from the shower nozzle and carries out comprehensive washing to the sack at last. Impurities such as anode mud in the cloth bag can flow into the bottom of the cleaning box along with water, the anode mud cannot adhere to the outer surface of the cloth bag along with cleaning water, so that mother liquor is prevented from being polluted in the subsequent reuse process, and finally the mother liquor enters the suction filter through the drain pipe for filtration and purification, so that the cloth bag cleaning efficiency and the cleaning quality are improved, and the pollution to the environment in the cleaning process is reduced.
Optionally, be equipped with the lifting unit who is used for lifting the wash rack in the backup pad, the one end that the montant kept away from the wash rack passes the backup pad and along vertical direction and backup pad sliding connection.
Through adopting above-mentioned technical scheme, use the height of lifting unit adjustment wash rack, drive the sack and reciprocate to the shower nozzle subassembly carries out better washing in to the sack, improves cleaning efficiency and cleanliness, and the montant has spacing effect.
Optionally, the lifting assembly includes lead screw, first bevel gear, second bevel gear and elevator motor, and lead screw upper end and wash rack fixed connection, and the lead screw lower extreme passes the backup pad and along vertical direction and backup pad sliding connection, elevator motor output and first bevel gear fixed connection, first bevel gear and second bevel gear intermeshing, elevator motor and washbox fixed connection, second bevel gear and lead screw threaded connection, second bevel gear rotate along the lead screw axis and are connected with the backup pad.
Through adopting above-mentioned technical scheme, elevator motor drives first bevel gear and rotates, and first bevel gear drives second bevel gear and rotates, because second bevel gear and lead screw threaded connection and second bevel gear and backup pad do not have relative displacement in vertical direction, make the lead screw reciprocate, can change the height of adjustment wash rack, improved work efficiency.
Optionally, the shower nozzle subassembly includes shower nozzle and side shower nozzle, and the water jet has been seted up to the shower nozzle up end, and the water jet has been seted up to one side of the vertical direction of side shower nozzle, side shower nozzle lower extreme and shower pipe intercommunication, side shower nozzle upper end and last shower nozzle lower extreme intercommunication, backup pad and inlet tube all rotate along shower pipe axis and shower to be connected with, are connected with the drive assembly who is used for driving shower pipe pivoted on the shower.
Through adopting above-mentioned technical scheme, go up shower nozzle and side shower nozzle can make the shower nozzle subassembly have more comprehensive cleaning range, have improved cleaning effect and quality.
Optionally, the drive assembly includes third bevel gear, fourth bevel gear and rotation motor, and rotation motor output and third bevel gear fixed connection, third bevel gear and fourth bevel gear intermeshing, rotation motor and washbox fixed connection, fourth bevel gear and shower fixed connection.
By adopting the technical scheme, the driving assembly provides a stable and reliable power source for the rotation of the spray pipe, and the degree of automation of the whole cleaning process is improved.
Optionally, two spray pipes are uniformly distributed on the supporting plate.
By adopting the technical scheme, different positions of the cloth bag can be cleaned at the same time, so that the cleaning efficiency and effect are improved, and the overall cleaning time is shortened.
Optionally, the wash rack includes two bracing pieces and is used for connecting the connecting rod of two bracing pieces, and the bracing piece both ends are equipped with the ejector pin that is used for with sack inner wall butt, and the spout has been seted up at the bracing piece both ends, and ejector pin one end is located along spout and bracing piece sliding connection in the spout, and the one end fixedly connected with elastic component of ejector pin in the spout, the one end that the elastic component kept away from the ejector pin with bracing piece fixed connection in the spout.
By adopting the technical scheme, the cleaning frame can be adaptively adjusted according to different cloth bag sizes by arranging the ejector rod, so that the stability of the cloth bag in the cleaning process is improved.
Optionally, one end of the ejector rod far away from the elastic piece is provided with a hemisphere.
By adopting the technical scheme, the friction between the ejector rod and the cloth bag is reduced, the damage condition of the cloth bag in the cleaning process is reduced, the cleaning safety and reliability are improved, and the service life of the cloth bag is prolonged.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The cloth bag is reversely buckled on the cleaning frame, the cloth bag opening is arranged downwards, the cloth bag is reversely buckled and fixed on the cleaning frame, then an external high-pressure water source is started, water passes through the water inlet pipe and the spray pipe, and finally the cloth bag is sprayed out from the spray head to be comprehensively washed. Impurities such as anode mud in the cloth bag can flow into the bottom of the cleaning box along with water flow, and finally enter the suction filter through the drain pipe for filtering and purifying, so that the cloth bag cleaning efficiency and the cleaning quality are improved, and the pollution to the environment in the cleaning process is reduced;
2. The lifting assembly is used for adjusting the height of the cleaning frame to drive the cloth bag to move up and down, so that the spray head assembly can clean the inside of the cloth bag better, the cleaning efficiency and the cleaning degree are improved, and the vertical rod has a limiting effect;
3. The lifting motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, and the second bevel gear is in threaded connection with the lead screw and does not have relative displacement with the support plate in the vertical direction, so that the lead screw moves up and down, the height of the cleaning frame can be automatically adjusted, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic overall structure of a device for cloth bag cleaning.
Fig. 2 is a schematic view of the structure of the inside of the purge bin.
Fig. 3 is a schematic view of a partial explosion of the wash rack.
Fig. 4 is a schematic structural view of the lifting assembly.
Fig. 5 is an enlarged schematic view of the portion a in fig. 4.
Fig. 6 is a schematic structural view of the drive assembly.
Fig. 7 is a front view of a device for cloth bag cleaning.
The reference numerals are 1, a cleaning box, 11, a drain pipe, 2, a supporting plate, 21, a vertical rod, 22, a lifting assembly, 221, a screw rod, 222, a first bevel gear, 223, a second bevel gear, 224, a lifting motor, 3, a spray pipe, 31, a driving assembly, 311, a third bevel gear, 312, a fourth bevel gear, 313, a rotating motor, 4, a spray head assembly, 41, an upper spray head, 42, a side spray head, 5, a water inlet pipe, 6, a cleaning frame, 61, a supporting rod, 611, a push rod, 612, an elastic piece, 613, a hemispherical body, 62, a connecting rod, 7 and a suction filter.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a device for cleaning cloth bags.
Referring to fig. 1 and 2, a device for cloth bag cleaning, including wasing case 1, wasing case 1 inner wall fixedly connected with backup pad 2, be equipped with two shower 3 that evenly lay in the backup pad 2, shower 3 upper end is equipped with the shower subassembly 4 that is used for spraying water to the sack inner wall, specifically, shower subassembly 4 includes shower nozzle 41 and side shower nozzle 42, the water jet has been seted up to the up end of shower nozzle 41, the water jet has been seted up to one side of the vertical direction of side shower nozzle 42, side shower nozzle 42 lower extreme and shower 3 intercommunication, side shower nozzle 42 upper end and last shower nozzle 41 lower extreme intercommunication, in order to realize comprehensive washing effect. The lower extreme of shower 3 passes backup pad 2 and outer wall cover and is equipped with inlet tube 5, and the water inlet of inlet tube 5 is located the washbox 1 outside, provides the high-pressure water source through outside water supply system. In order to improve the stability of the water inlet pipe 5, two vertical plates sleeved outside the water inlet pipe 5 can be fixedly arranged on the lower end surface of the supporting plate 2.
Referring to fig. 2 and 3, a vertical rod 21 is further provided on the support plate 2, and a cleaning frame 6 for fixing the cloth bag is fixedly connected to the upper end of the vertical rod 21. The cloth bag is reversely buckled on the cleaning frame 6, the cloth bag mouth is downwards arranged, an external high-pressure water source is started, water passes through the water inlet pipe 5 and the spray pipe 3, finally the cloth bag is completely washed by spraying out of the spray nozzle, anode mud is not attached to the outer surface of the cloth bag along with cleaning water, and the pollution of mother liquor during subsequent reuse is avoided. The cleaning rack 6 comprises two supporting rods 61 and a connecting rod 62 for connecting the two supporting rods 61, in order to improve compatibility and stability, two ends of the supporting rods 61 are provided with ejector rods 611 for being abutted with the inner wall of the cloth bag, two ends of the supporting rods 61 are provided with sliding grooves, and one ends of the ejector rods 611 are positioned in the sliding grooves and are in sliding connection with the supporting rods 61 along the sliding grooves. Meanwhile, one end of the ejector rod 611 in the chute is fixedly connected with an elastic piece 612, the elastic piece 612 can use a spring, and one end of the elastic piece 612 far away from the ejector rod 611 is fixedly connected with the support rod 61 in the chute, so that the ejector rod 611 can be adaptively adjusted according to the sizes of different cloth bags.
Referring to fig. 3, further, friction between the ejector rod 611 and the cloth bag is reduced, damage condition of the cloth bag in the cleaning process is reduced, cleaning safety and reliability are improved, service life of the cloth bag is prolonged, and a hemisphere 613 is further arranged at one end of the ejector rod 611 away from the elastic piece 612.
Referring to fig. 1, a drain pipe 11 is further disposed on the lower end surface of the cleaning tank 1, and a suction filter 7 is connected to one end of the drain pipe 11 far away from the cleaning tank 1, so that the cleaned sewage can be timely pumped away, filtered and purified, and environmental protection treatment is realized.
Referring to fig. 1 and 4, a lifting assembly 22 for lifting the cleaning frame 6 is additionally provided on the support plate 2 to automatically adjust the height of the cleaning frame 6, thereby improving the cleaning effect.
Referring to fig. 4 and 5, in particular, the elevation assembly 22 includes a screw 221, a first bevel gear 222, a second bevel gear 223, and an elevation motor 224. The upper end of the lead screw 221 is fixedly connected with the cleaning frame 6, and the lower end of the lead screw 221 penetrates through the supporting plate 2 and is in sliding connection with the supporting plate 2 along the vertical direction. The output end of the elevating motor 224 is fixedly connected with the first bevel gear 222, and the first bevel gear 222 is engaged with the second bevel gear 223. The elevating motor 224 is fixed to the washing tank 1, the second bevel gear 223 is screw-coupled with the screw shaft 221, and the second bevel gear 223 is also rotatably coupled with the support plate 2 along the axis of the screw shaft 221.
Referring to fig. 2 and 4, when the lift motor 224 is started, the lift motor 224 drives the first bevel gear 222 to rotate, and the first bevel gear 222 further drives the second bevel gear 223 to rotate. Since the second bevel gear 223 is in threaded connection with the screw rod 221, and the second bevel gear 223 is rotationally connected with the support plate 2 along the axis of the screw rod 221, the second bevel gear 223 has no relative displacement with the support plate 2 in the vertical direction, so that the screw rod 221 can move up and down along with the rotation of the second bevel gear 223, and finally, the automatic lifting of the cleaning frame 6 is realized. One end of the vertical rod 21, which is far away from the cleaning frame 6, passes through the supporting plate 2 and is in sliding connection with the supporting plate 2 along the vertical direction, and the vertical rod 21 slides up and down to play a limiting role, so that the screw 221 can move along the vertical direction and cannot rotate along with the second bevel gear 223.
Referring to fig. 2 and 6, in addition, in order to further improve the cleaning effect and efficiency, a driving assembly 31 for driving the shower pipe 3 to rotate is connected to the shower pipe 3, and the support plate 2 and the water inlet pipe 5 are both rotatably connected to the shower pipe 3 along the axis of the shower pipe 3. Specifically, the driving assembly 31 is composed of a third bevel gear 311, a fourth bevel gear 312, and a rotation motor 313. The output end of the rotation motor 313 is fixedly connected with the third bevel gear 311, and the third bevel gear 311 is engaged with the fourth bevel gear 312. The rotary motor 313 is here likewise fixed to the washing tank 1, while the fourth bevel gear 312 is fixedly connected to the shower pipe 3.
Referring to fig. 6, when the rotation motor 313 is started, it drives the third bevel gear 311 to rotate, thereby driving the fourth bevel gear 312 and the shower pipe 3 connected thereto to rotate. The rotating action can ensure that the water sprayed by the spray head can wash the inner wall of the cloth bag more comprehensively, thereby improving the cleaning effect.
Referring to fig. 2, the lifting assembly 22 drives the cloth bag to move up and down, the driving assembly 31 drives the spray head assembly 4 to rotate, and when the cloth bag moves up and down, the spray head assembly 4 rotates to spray high-pressure water to the inner wall of the cloth bag, so that the inside of the cloth bag can be cleaned in all directions, the cleaning range is increased, and the cleaning quality and the cleaning efficiency are improved.
In order to reduce pollution of sludge to the driving assembly 31 and the lifting assembly 22, four bevel gears may be disposed under the supporting plate 2, so that the supporting plate 2 blocks pollution of sludge to the bevel gears, or two bevel gears engaged with each other are sleeved with a protective housing, and the rotating motor 313 and the lifting motor 224 are disposed at the outer side of the washing tank 1.
Referring to fig. 7, a drain pipe 11 is further provided at the bottom of the purge tank 1, and is connected to the external suction filter 7. Thus, impurities such as sewage, anode mud and the like generated in the cleaning process can be timely pumped away and filtered, and the environment-friendly wastewater treatment is realized. In order to make the washed sludge flow into the sewage drain pipe 11 better, the lower end portion of the washing tank 1 is provided in a truncated cone shape of which the size is sequentially reduced from top to bottom.
The device for cleaning the cloth bags is characterized in that when the device is used, firstly, the cloth bags are reversely fastened on a cleaning frame 6, then an external high-pressure water source is started, water passes through a water inlet pipe 5 and a spray pipe 3, and finally, the cloth bags are completely washed by spraying from a spray head. Impurities such as anode mud in the cloth bag can be flushed into the bottom of the cleaning box 1 along with water, the anode mud cannot be attached to the outer surface of the cloth bag along with cleaning water, so that mother liquor is prevented from being polluted in the subsequent reuse process, and finally the mother liquor enters the suction filter 7 through the blow-off pipe 11 for filtration and purification, so that the cleaning efficiency and the cleaning quality of the cloth bag are improved, and the pollution to the environment in the cleaning process is reduced.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (8)
1. A device for cloth bag cleaning comprises a cleaning box (1) and is characterized in that a supporting plate (2) is fixedly connected to the inner wall of the cleaning box (1), a spray pipe (3) is arranged on the supporting plate (2), a spray head assembly (4) for spraying water to the inner wall of a cloth bag is arranged at the upper end of the spray pipe (3), the lower end of the spray pipe (3) penetrates through the supporting plate (2) and a water inlet pipe (5) is sleeved on the outer wall of the spray pipe, a water inlet of the water inlet pipe (5) is located on the outer side of the cleaning box (1), a vertical rod (21) is arranged on the supporting plate (2), a cleaning frame (6) for fixing the cloth bag is fixedly connected to the upper end of the vertical rod (21), a drain pipe (11) is arranged on the lower end face of the cleaning box (1), a suction filter (7) is connected to one end, far away from the cleaning box (1), of the drain pipe (11), and the suction filter (7) is used for filtering and purifying sewage.
2. A cloth bag cleaning device according to claim 1, wherein the supporting plate (2) is provided with a lifting assembly (22) for lifting the cleaning frame (6), and one end of the vertical rod (21) far away from the cleaning frame (6) penetrates through the supporting plate (2) and is in sliding connection with the supporting plate (2) along the vertical direction.
3. The device for cloth bag cleaning according to claim 2, wherein the lifting assembly (22) comprises a screw rod (221), a first bevel gear (222), a second bevel gear (223) and a lifting motor (224), the upper end of the screw rod (221) is fixedly connected with the cleaning frame (6), the lower end of the screw rod (221) penetrates through the supporting plate (2) and is in sliding connection with the supporting plate (2) along the vertical direction, the output end of the lifting motor (224) is fixedly connected with the first bevel gear (222), the first bevel gear (222) is meshed with the second bevel gear (223), the lifting motor (224) is fixedly connected with the cleaning box (1), the second bevel gear (223) is in threaded connection with the screw rod (221), and the second bevel gear (223) is in rotary connection with the supporting plate (2) along the axis of the screw rod (221).
4. The device for cleaning cloth bags according to claim 1, wherein the spray head assembly (4) comprises an upper spray head (41) and a side spray head (42), a water spray opening is formed in the upper end face of the upper spray head (41), a water spray opening is formed in one side of the side spray head (42) in the vertical direction, the lower end of the side spray head (42) is communicated with the spray pipe (3), the upper end of the side spray head (42) is communicated with the lower end of the upper spray head (41), the support plate (2) and the water inlet pipe (5) are both connected with the spray pipe (3) in a rotating mode along the axis of the spray pipe (3), and a driving assembly (31) for driving the spray pipe (3) to rotate is connected to the spray pipe (3).
5. The device for cloth bag cleaning according to claim 4, wherein the driving assembly (31) comprises a third bevel gear (311), a fourth bevel gear (312) and a rotating motor (313), the output end of the rotating motor (313) is fixedly connected with the third bevel gear (311), the third bevel gear (311) is meshed with the fourth bevel gear (312), the rotating motor (313) is fixedly connected with the cleaning box (1), and the fourth bevel gear (312) is fixedly connected with the spray pipe (3).
6. The device for cleaning cloth bags according to claim 4, wherein two spray pipes (3) are uniformly distributed on the supporting plate (2).
7. The device for cleaning cloth bags according to claim 1, wherein the cleaning frame (6) comprises two supporting rods (61) and a connecting rod (62) for connecting the two supporting rods (61), two ends of the supporting rods (61) are provided with ejector rods (611) for abutting against the inner walls of the cloth bags, two ends of the supporting rods (61) are provided with sliding grooves, one ends of the ejector rods (611) are located in the sliding grooves and are in sliding connection with the supporting rods (61), one ends of the ejector rods (611) in the sliding grooves are fixedly connected with elastic pieces (612), and one ends of the elastic pieces (612) away from the ejector rods (611) are fixedly connected with the supporting rods (61) in the sliding grooves.
8. A cloth bag cleaning device according to claim 7, wherein the end of the ejector rod (611) far from the elastic piece (612) is provided with a hemisphere (613).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422345786.2U CN223197607U (en) | 2024-09-25 | 2024-09-25 | A device for cleaning cloth bags |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422345786.2U CN223197607U (en) | 2024-09-25 | 2024-09-25 | A device for cleaning cloth bags |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223197607U true CN223197607U (en) | 2025-08-08 |
Family
ID=96597899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422345786.2U Active CN223197607U (en) | 2024-09-25 | 2024-09-25 | A device for cleaning cloth bags |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223197607U (en) |
-
2024
- 2024-09-25 CN CN202422345786.2U patent/CN223197607U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218458784U (en) | Prevent blockking up high-efficient sewage treatment plant | |
| CN111039458B (en) | Ecological prosthetic devices in plateau lake fishery waters | |
| CN223197607U (en) | A device for cleaning cloth bags | |
| CN215403767U (en) | High-efficient dewatering device is taked care of to mud | |
| CN216041656U (en) | Integrated pump station | |
| CN214024848U (en) | Cleaning device of cylindrical grinding machine | |
| CN221535813U (en) | Sewage treatment device convenient to filter | |
| CN218879615U (en) | Quality of water normal position prosthetic devices | |
| CN219335225U (en) | Steel pipe cleaning equipment for machining | |
| CN114918189B (en) | Miniature hardware part washs edulcoration device | |
| CN216404053U (en) | Pure water preparation facilities | |
| CN216857582U (en) | Metal surface treatment pre-cleaning device | |
| CN211864139U (en) | Filter device connected with urban sewage pipe | |
| CN111921963B (en) | A high-efficient belt cleaning device for digit control machine tool | |
| CN110714913B (en) | Rotor pump with self-cleaning function | |
| CN209034970U (en) | A kind of production high purity graphite reaction wash mill | |
| CN219012784U (en) | Circulating water pump drainage device | |
| CN119281036B (en) | A dust removal device for coal powder preparation | |
| CN220899609U (en) | Slag-water high-efficiency separation equipment for ferrochrome production | |
| CN222389619U (en) | A sand settling and filtering device for sewage treatment | |
| CN222907884U (en) | A Chinese medicine fermentation tank | |
| CN221815543U (en) | Grease precipitation tank | |
| CN222842691U (en) | A belt cleaning device for rice processing | |
| CN220978206U (en) | Secondary water supply device with cleaning function | |
| CN215692213U (en) | Cutting fluid distribution device with filtering structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |