CN216593689U - Pure water tank is used in copper foil production with dynamic seal structure - Google Patents
Pure water tank is used in copper foil production with dynamic seal structure Download PDFInfo
- Publication number
- CN216593689U CN216593689U CN202220185462.5U CN202220185462U CN216593689U CN 216593689 U CN216593689 U CN 216593689U CN 202220185462 U CN202220185462 U CN 202220185462U CN 216593689 U CN216593689 U CN 216593689U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- water storage
- wall
- floating plate
- copper foil
- 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
Images
Landscapes
- Control Of Non-Electrical Variables (AREA)
Abstract
The utility model discloses a pure water tank is used in copper foil production with dynamic seal structure, be the water storage tank that the opening set up including the top, the top fixed mounting of water storage tank has the cover, the left side bottom intercommunication of water storage tank is fixed with the inlet tube, and the right side bottom intercommunication of water storage tank is fixed with the outlet pipe, and the left end of inlet tube and the right-hand member of outlet pipe all communicate and are fixed with the valve, the sealed sliding sleeve of water storage tank is equipped with sealed floating plate, two installation pieces of equal fixedly connected with on the both sides inner wall of water storage tank. The utility model discloses be convenient for automatic alarm reminds personnel when reaching the water level, make things convenient for personnel in time to close the valve, do not need personnel frequently to watch the water yield, make things convenient for personnel to operate, and sealed floating plate can realize dynamic seal's purpose along with water level automatic movement's mode, improve sealed effect, and the mode with adjustable position of movable block can realize the control to the water level, improve and use the flexibility, satisfy the user demand.
Description
Technical Field
The utility model relates to a pure water tank technical field especially relates to a pure water tank is used in copper foil production with dynamic seal structure.
Background
In the production process of the copper foil, the copper foil needs to be cleaned by high-purity water, the quality of the high-purity water directly influences the quality of the copper foil, therefore, the guarantee of the pure water quality is very important in the copper foil industry, the pure water needs to be sealed after being filled into the pure water tank, the existing sealing mode mostly adopts nitrogen to seal the pure water in the pure water tank, the pure water is guaranteed not to react with carbon dioxide in the air, the existing nitrogen sealing mode is adopted, the sealing position is mostly fixed, which is not convenient for automatic adjustment according to the height of the water level, when pure water is filled, the water level can not be automatically reminded to stop watering when reaching the required water level, the person needs to frequently watch the amount of the pure water in the pure water tank in the watering process, the operation of the person is inconvenient, the use requirement can not be met, therefore, we propose a pure water tank for copper foil production with a dynamic sealing structure to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a pure water tank with a dynamic sealing structure for copper foil production.
In order to realize the purpose, the utility model adopts the following technical scheme:
a pure water tank with a dynamic sealing structure for copper foil production comprises a water storage tank with an opening at the top, wherein a tank cover is fixedly installed at the top of the water storage tank, a water inlet pipe is communicated and fixed at the bottom of the left side of the water storage tank, a water outlet pipe is communicated and fixed at the bottom of the right side of the water storage tank, valves are communicated and fixed at the left end of the water inlet pipe and the right end of the water outlet pipe, a sealing floating plate is sleeved in the water storage tank in a sealing and sliding manner, two installation blocks are fixedly connected to the inner walls of the two sides of the water storage tank, the same guide rod is fixedly connected between the mutually adjacent sides of the two installation blocks which are opposite from top to bottom, the sealing floating plate is sleeved on the two guide rods in a sealing and sliding manner, a screw is fixedly connected to the inner wall of the bottom of the water storage tank, the sealing floating plate is sleeved on the screw in a sealing and sliding manner, a moving block is sleeved on the guide rod on the left side, and a thread driving mechanism is installed on the right side of the top of the moving block in a rotating manner, the screw thread drive mechanism thread bush is established on the screw rod, the mounting box that the top fixedly connected with right side of movable block set up for the opening, fixedly connected with driving motor on the bottom inner wall of mounting box, driving motor's output shaft top and screw thread drive mechanism's bottom fixed connection, driving motor's right side is fixed and electric connection has wireless remote control switch, the sharp piece of left side fixedly connected with instruction of movable block, it is equipped with clear glass to inlay on the left side inner wall of water storage tank, clear glass's left side is equipped with the scale mark, instruct sharp piece and scale mark cooperation, the fixed and electric connection in right side top of water storage tank has first battery, the fixed and electric connection in top of first battery has audible-visual annunciator, the bottom of movable block is inlayed and is equipped with the light touch switch, light touch switch and audible-visual annunciator electric connection, the light touch switch is located sealed top of floating plate and cooperatees with sealed floating plate.
Preferably, the thread driving mechanism comprises an internal thread pipe rotatably installed on the right side of the top of the moving block, the internal thread pipe is sleeved on the screw rod in a threaded manner, a first gear is fixedly sleeved on the internal thread pipe, a second gear is meshed on the left side of the first gear, and the top end of an output shaft of the driving motor is fixedly connected with the bottom of the second gear.
Preferably, the top inner wall of mounting box is fixed and electrically connected with the second battery, second battery and driving motor electric connection, and wireless remote control switch matches and is provided with outside remote controller.
Preferably, the bonding cover is equipped with first rubber seal on the sealed floating plate, and first guiding hole has all been seted up to the outside of first rubber seal and the inner wall swing joint of water storage tank, the top both sides of sealed floating plate, and the outside bonding cover of guide bar is equipped with the second rubber seal, the outside of second rubber seal and the inner wall swing joint of the first guiding hole that corresponds.
Preferably, the top of the sealing floating plate is provided with a first through hole, a sealing sleeve is bonded and sleeved in the first through hole, and the inner wall of the sealing sleeve is in movable contact with the outer side of the screw rod.
Preferably, a rotating groove is formed in the right side of the top of the moving block, a bearing is fixedly sleeved in the rotating groove, a second through hole is formed in the inner wall of the bottom of the rotating groove, the screw is located in the second through hole and is not in contact with the inner wall of the second through hole, and the inner side of an inner ring of the bearing is fixedly connected with the outer side of the inner threaded pipe.
Preferably, a rectangular through hole is formed in the left side of the top of the moving block, and the inner wall of the rectangular through hole is connected with the outer side of the guide rod on the left side in a sliding mode.
Preferably, the inner wall of the left side of the water storage tank is provided with a mounting hole, and the inner wall of the mounting hole is fixedly connected with the outer side of the transparent glass.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses be convenient for automatic alarm reminds personnel when reaching the water level, make things convenient for personnel in time to close the valve, do not need personnel frequently to watch the water yield, make things convenient for personnel to operate, and sealed floating plate can realize dynamic seal's purpose along with water level automatic movement's mode, improve sealed effect, and the mode with adjustable position of movable block can realize the control to the water level, improve and use the flexibility, satisfy the user demand.
Drawings
Fig. 1 is a schematic structural view of a pure water tank with a dynamic sealing structure for copper foil production according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic left-side view of a pure water tank for copper foil production with a dynamic sealing structure according to the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 100. a water storage tank; 101. a can lid; 102. a water outlet pipe; 103. a water inlet pipe; 1. sealing the floating plate; 2. a guide bar; 3. a screw; 4. transparent glass; 5. a first storage battery; 6. an audible and visual alarm; 7. a moving block; 8. a tact switch; 9. an internally threaded tube; 10. a first gear; 11. mounting a box; 12. a second storage battery; 13. a drive motor; 14. a second gear; 15. a wireless remote control switch; 16. indicating a sharp block; 17. scale lines are marked.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a pure water tank with a dynamic sealing structure for copper foil production comprises a water storage tank 100 with an opening at the top, a tank cover 101 is fixedly installed at the top of the water storage tank 100, a water inlet pipe 103 is communicated and fixed at the bottom of the left side of the water storage tank 100, a water outlet pipe 102 is communicated and fixed at the bottom of the right side of the water storage tank 100, valves are respectively communicated and fixed at the left end of the water inlet pipe 103 and the right end of the water outlet pipe 102, a sealing floating plate 1 is hermetically and slidably sleeved in the water storage tank 100, two installation blocks are fixedly connected to the inner walls of the two sides of the water storage tank 100, the same guide rod 2 is fixedly connected between the adjacent sides of the two installation blocks, the sealing floating plate 1 is hermetically and slidably sleeved on the two guide rods 2, a screw 3 is fixedly connected to the inner wall of the bottom of the water storage tank 100, the sealing floating plate 1 is hermetically and slidably sleeved on the screw 3, a moving block 7 is slidably sleeved on the guide rod 2 at the left side, a thread driving mechanism is rotatably installed on the right side of the top of the moving block 7, the thread driving mechanism is sleeved on the screw rod 3 in a threaded manner, a mounting box 11 with an opening arranged on the right side is fixedly connected to the top of the moving block 7, a driving motor 13 is fixedly connected to the inner wall of the bottom of the mounting box 11, the top end of an output shaft of the driving motor 13 is fixedly connected to the bottom of the thread driving mechanism, a wireless remote control switch 15 is fixedly and electrically connected to the right side of the driving motor 13, an indication sharp block 16 is fixedly connected to the left side of the moving block 7, a transparent glass 4 is embedded on the inner wall of the left side of the water storage tank 100, scale marks 17 are arranged on the left side of the transparent glass 4, the indication sharp block 16 is matched with the scale marks 17, a first storage battery 5 is fixedly and electrically connected to the top of the right side of the water storage tank 100, an audible and visual alarm 6 is fixedly and electrically connected to the top of the first storage battery 5, and a tact switch 8 is embedded to the bottom of the moving block 7, the tact switch 8 is electrically connected with the audible and visual alarm 6, and the tact switch 8 is positioned above the sealed floating plate 1 and matched with the sealed floating plate 1;
the screw thread actuating mechanism is including rotating the internal thread pipe 9 of installing on the right side in movable block 7 top, and internal thread pipe 9 thread bush is established on screw rod 3, and fixed cover is equipped with first gear 10 on the internal thread pipe 9, and the left side meshing of first gear 10 has second gear 14, driving motor 13's output shaft top and second gear 14's bottom fixed connection, the utility model discloses be convenient for automatic alarm when reaching the water level reminds personnel, make things convenient for personnel in time to close the valve, do not need personnel to frequently watch the water yield, make things convenient for personnel to operate, and sealed showy board 1 can be along with water level automatic movement's mode, realize dynamic seal's purpose, improve sealed effect, and the mode with adjustable position of movable block 7 can realize the control to the water level, improves and uses the flexibility, satisfies the user demand.
In the utility model, a second storage battery 12 is fixed and electrically connected on the inner wall of the top of the mounting box 11, the second storage battery 12 is electrically connected with a driving motor 13, a wireless remote control switch 15 is provided with an external remote controller in a matching way, a first sealing rubber sheet is bonded and sleeved on a sealing floating plate 1, the outer side of the first sealing rubber sheet is movably contacted with the inner wall of a water storage tank 100, both sides of the top of the sealing floating plate 1 are provided with first guide holes, the outer side of a guide rod 2 is bonded and sleeved with a second sealing rubber sheet, the outer side of the second sealing rubber sheet is movably contacted with the inner wall of the corresponding first guide hole, the top of the sealing floating plate 1 is provided with a first perforation, a sealing sleeve is bonded and sleeved in the first perforation, the inner wall of the sealing sleeve is movably contacted with the outer side of a screw rod 3, the right side of the top of a moving block 7 is provided with a rotating groove, the fixing sleeve in the rotating groove is provided with a bearing, the inner wall of the bottom of the rotating groove is provided with a second perforation, screw rod 3 is located the second perforation and contactless with the fenestrate inner wall of second, and the inboard outside fixed connection with internal thread pipe 9 of inner circle of bearing, the rectangle perforation has been seted up on the left side of the top of movable block 7, and the fenestrate inner wall of rectangle and the outside sliding connection of left guide bar 2, the mounting hole has been seted up on the left side inner wall of water storage tank 100, the inner wall of mounting hole and clear glass 4's outside fixed connection, the utility model discloses be convenient for automatic alarm reminds personnel when reaching the water level, make things convenient for personnel in time to close the valve, do not need personnel to frequently watch the water yield, make things convenient for personnel to operate, and sealed floating plate 1 can be along with water level automatically move's mode, realize dynamic seal's purpose, improve sealed effect, and the mode with adjustable of position of movable block 7 can realize the control of water level, improve the flexibility of using, satisfy the user demand.
The working principle is as follows: when the water purifier is used, before pure water is filled, the valve on the water outlet pipe 102 is firstly opened, the valve on the water outlet pipe 102 is connected with an external air pump, air in the water storage tank 100 is extracted through the air pump, so that vacuum is formed in the water storage tank 100, after the air extraction is finished, the valve on the water outlet pipe 102 is closed, then the position of the moving block 7 is adjusted according to the required water level, during the adjustment, an external remote controller controls the wireless remote control switch 15 to control the driving motor 13 to start in the forward direction, the output shaft of the driving motor 13 drives the second gear 14 to rotate, the second gear 14 drives the first gear 10 to rotate, the first gear 10 drives the internal thread pipe 9 to rotate, the internal thread pipe 9 rotates and moves downwards on the screw rod 3, the internal thread pipe 9 drives the moving block 7 to move downwards, the moving block 7 slides downwards on the guide rod 2 on the left side, the moving block 7 drives the indicating sharp block 16 to move downwards, the downward movement position of the indicating sharp block 16 is observed through the transparent glass 4, when the indicating sharp block 16 is judged to move downwards to a required position through the numerical value on the scale mark 17, the driving motor 13 is stopped, the moving block 7 is fixed and the adjustment is completed under the action of the self thread locking force of the screw rod 3 and the internal thread pipe 9, then the valve on the water inlet pipe 103 is opened, water enters the water storage tank 100 from the water inlet pipe 103, the water level in the water storage tank 100 gradually rises along with the entering of the water, the sealing floating plate 1 gradually floats upwards under the action of buoyancy, the sealing floating plate 1 slides upwards on the two guide rods 2, when the sealing floating plate 1 moves upwards to the top of the sealing floating plate to be contacted with the bottom of the tact switch 8, the tact switch 8 is triggered to be opened, the audible and visual alarm 6 is controlled to be opened to give an audible and visual alarm to remind personnel, and visual alarm can close the valve on the water inlet pipe 103, the automatic alarm reminding personnel when reaching the water level is convenient, the personnel can conveniently close the valve in time, the personnel do not need to frequently watch the water quantity, the personnel operation is convenient, the dynamic sealing purpose can be realized along with the automatic water level moving mode of the sealing floating plate 1, the sealing effect is improved, and the position of the moving block 7 can be adjusted, so that the control on the water level can be realized, and the use flexibility is improved.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A pure water tank with a dynamic sealing structure for copper foil production comprises a water storage tank (100) with an opening at the top, wherein a tank cover (101) is fixedly installed at the top of the water storage tank (100), a water inlet pipe (103) is communicated and fixed at the bottom of the left side of the water storage tank (100), a water outlet pipe (102) is communicated and fixed at the bottom of the right side of the water storage tank (100), valves are fixedly communicated at the left end of the water inlet pipe (103) and the right end of the water outlet pipe (102), and is characterized in that a sealing floating plate (1) is sleeved in the water storage tank (100) in a sliding manner, two installation blocks are fixedly connected on the inner walls of the two sides of the water storage tank (100), the same guide rod (2) is fixedly connected between the mutually close sides of the two installation blocks which are opposite from top to bottom, the sealing floating plate (1) is sleeved on the two guide rods (2) in a sliding manner, a screw rod (3) is fixedly connected on the inner wall of the bottom of the water storage tank (100), the sealing floating plate (1) is sleeved on the screw (3) in a sealing sliding manner, the movable block (7) is sleeved on the guide rod (2) on the left side in a sliding manner, the right side of the top of the movable block (7) is rotatably provided with a thread driving mechanism, the thread driving mechanism is sleeved on the screw (3) in a threaded manner, the top of the movable block (7) is fixedly connected with a mounting box (11) with the right side being provided with an opening, the inner wall of the bottom of the mounting box (11) is fixedly connected with a driving motor (13), the top end of an output shaft of the driving motor (13) is fixedly connected with the bottom of the thread driving mechanism, the right side of the driving motor (13) is fixedly and electrically connected with a wireless remote control switch (15), the left side of the movable block (7) is fixedly connected with an indicating sharp block (16), the inner wall of the left side of the water storage tank (100) is embedded with transparent glass (4), and the left side of the transparent glass (4) is provided with scale marks (17), indicate sharp piece (16) and scale mark (17) cooperation, the fixed and electrically connected with first battery (5) in right side top of water storage tank (100), the fixed and electrically connected with audible-visual annunciator (6) in top of first battery (5), the bottom of movable block (7) is inlayed and is equipped with dabs switch (8), dabs switch (8) and audible-visual annunciator (6) electric connection, dabs switch (8) and is located the top of sealed floating plate (1) and cooperatees with sealed floating plate (1).
2. The pure water tank with the dynamic sealing structure for copper foil production as claimed in claim 1, wherein the thread driving mechanism comprises an internal thread pipe (9) rotatably mounted on the right side of the top of the moving block (7), the internal thread pipe (9) is in thread fit with the screw rod (3), a first gear (10) is fixedly fitted on the internal thread pipe (9), a second gear (14) is engaged with the left side of the first gear (10), and the top end of the output shaft of the driving motor (13) is fixedly connected with the bottom of the second gear (14).
3. The pure water tank with the dynamic sealing structure for copper foil production as claimed in claim 1, wherein a second storage battery (12) is fixed and electrically connected to the inner wall of the top of the mounting box (11), the second storage battery (12) is electrically connected to the driving motor (13), and an external remote controller is arranged on the wireless remote control switch (15) in a matching manner.
4. The pure water tank with the dynamic sealing structure for copper foil production as claimed in claim 1, wherein a first sealing rubber sheet is bonded and sleeved on the sealing floating plate (1), the outer side of the first sealing rubber sheet is in movable contact with the inner wall of the water storage tank (100), first guide holes are formed in both sides of the top of the sealing floating plate (1), a second sealing rubber sheet is bonded and sleeved on the outer side of the guide rod (2), and the outer side of the second sealing rubber sheet is in movable contact with the inner wall of the corresponding first guide hole.
5. The pure water tank with the dynamic sealing structure for copper foil production as claimed in claim 1, wherein a first through hole is formed in the top of the sealing floating plate (1), a sealing sleeve is bonded and sleeved in the first through hole, and the inner wall of the sealing sleeve is in movable contact with the outer side of the screw rod (3).
6. The pure water tank with the dynamic sealing structure for copper foil production as claimed in claim 1, wherein a rotating groove is formed in the right side of the top of the moving block (7), a bearing is fixedly sleeved in the rotating groove, a second through hole is formed in the inner wall of the bottom of the rotating groove, the screw (3) is located in the second through hole and is not in contact with the inner wall of the second through hole, and the inner side of the inner ring of the bearing is fixedly connected with the outer side of the internal threaded pipe (9).
7. The pure water tank with the dynamic sealing structure for copper foil production as claimed in claim 1, wherein a rectangular through hole is formed in the left side of the top of the moving block (7), and the inner wall of the rectangular through hole is slidably connected with the outer side of the guide rod (2) on the left side.
8. The pure water tank with the dynamic sealing structure for the copper foil production is characterized in that a mounting hole is formed in the left inner wall of the water storage tank (100), and the inner wall of the mounting hole is fixedly connected with the outer side of the transparent glass (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220185462.5U CN216593689U (en) | 2022-01-24 | 2022-01-24 | Pure water tank is used in copper foil production with dynamic seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220185462.5U CN216593689U (en) | 2022-01-24 | 2022-01-24 | Pure water tank is used in copper foil production with dynamic seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216593689U true CN216593689U (en) | 2022-05-24 |
Family
ID=81636067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220185462.5U Active CN216593689U (en) | 2022-01-24 | 2022-01-24 | Pure water tank is used in copper foil production with dynamic seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216593689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116424735A (en) * | 2023-06-12 | 2023-07-14 | 山东利尔康医疗科技股份有限公司 | Liquid level variable measurement structure for hand disinfectant constant volume storage tank |
-
2022
- 2022-01-24 CN CN202220185462.5U patent/CN216593689U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116424735A (en) * | 2023-06-12 | 2023-07-14 | 山东利尔康医疗科技股份有限公司 | Liquid level variable measurement structure for hand disinfectant constant volume storage tank |
| CN116424735B (en) * | 2023-06-12 | 2023-08-22 | 山东利尔康医疗科技股份有限公司 | Liquid level variable measurement structure for hand disinfectant constant volume storage tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216593689U (en) | Pure water tank is used in copper foil production with dynamic seal structure | |
| CN112362392A (en) | No haulage rope deep water area water quality collection system | |
| CN215489678U (en) | Water replenishing device for energy-saving boiler | |
| CN110764166B (en) | Energy-saving wind speed and rainfall monitoring facilities | |
| CN215946860U (en) | Ammonia-containing wastewater recycling device for preparing methanol from coal | |
| CN208848094U (en) | A kind of sewage automatic-discharging control cabinet | |
| CN215952701U (en) | Metering device for oil gas gathering and transportation | |
| CN212932607U (en) | Water environment monitoring device with height adjustment function | |
| CN216236203U (en) | Automatically-adjustable dosing device for sewage treatment | |
| CN212254710U (en) | Water sampling device for environmental monitoring | |
| CN213302864U (en) | Water conservancy trade water level control device | |
| CN112937809A (en) | Wisdom ocean target surveys machine people | |
| CN220860887U (en) | Liquid discharging device of gas-liquid separator | |
| CN201657704U (en) | Oxygen-increasing machine with air pressure switch | |
| CN216243676U (en) | Flashlight for diving that possesses infiltration early warning function | |
| CN211528379U (en) | River course water conservancy ecological flow monitoring device | |
| CN204942720U (en) | A kind of drain valve | |
| CN216590732U (en) | Device for measuring water level of hydraulic engineering | |
| CN215293647U (en) | Flow regulating valve for urban gas | |
| CN211348147U (en) | Hydrogen chloride sensor convenient to use | |
| CN214460201U (en) | Automatic buoyancy controller for gate of hydropower station | |
| CN212320847U (en) | Be applicable to hydraulic engineering open channel water level monitoring device | |
| CN214040574U (en) | Surge monitoring and early warning device | |
| CN215261983U (en) | Water level early warning device for hydraulic engineering | |
| CN215180910U (en) | Water resource remote measurement control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |