CN219922197U - Linseed oil refining and filtering device with cleaning structure - Google Patents
Linseed oil refining and filtering device with cleaning structure Download PDFInfo
- Publication number
- CN219922197U CN219922197U CN202320621289.3U CN202320621289U CN219922197U CN 219922197 U CN219922197 U CN 219922197U CN 202320621289 U CN202320621289 U CN 202320621289U CN 219922197 U CN219922197 U CN 219922197U
- Authority
- CN
- China
- Prior art keywords
- linseed oil
- box
- wall
- rose box
- fixedly arranged
- 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
- 235000021388 linseed oil Nutrition 0.000 title claims abstract description 33
- 239000000944 linseed oil Substances 0.000 title claims abstract description 33
- 238000001914 filtration Methods 0.000 title claims abstract description 26
- 238000007670 refining Methods 0.000 title claims abstract description 17
- 238000004140 cleaning Methods 0.000 title claims abstract description 14
- 241000220317 Rosa Species 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 8
- 230000010405 clearance mechanism Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 4
- 239000012535 impurity Substances 0.000 abstract description 20
- 239000000428 dust Substances 0.000 abstract description 3
- 239000007858 starting material Substances 0.000 abstract description 2
- 235000004426 flaxseed Nutrition 0.000 description 13
- MJYQFWSXKFLTAY-OVEQLNGDSA-N (2r,3r)-2,3-bis[(4-hydroxy-3-methoxyphenyl)methyl]butane-1,4-diol;(2r,3r,4s,5s,6r)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O.C1=C(O)C(OC)=CC(C[C@@H](CO)[C@H](CO)CC=2C=C(OC)C(O)=CC=2)=C1 MJYQFWSXKFLTAY-OVEQLNGDSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 1
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- DTOSIQBPPRVQHS-UHFFFAOYSA-N α-Linolenic acid Chemical compound CCC=CCC=CCC=CCCCCCCCC(O)=O DTOSIQBPPRVQHS-UHFFFAOYSA-N 0.000 description 1
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
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model relates to the technical field of linseed oil processing, and discloses a linseed oil refining and filtering device with a cleaning structure. This refined filter equipment of linseed oil with clearance structure, starter motor drives the screw rod through the cooperation of big sprocket, little sprocket, chain and pivot and rotates, when the screw rod is rotating, drives the push pedal and removes left under the spacing of recess and rose box, promotes the impurity that filters down above the filter screen left, avoids impurity to pile up the jam that causes the filter screen mesh above the filter screen, influences the filtration efficiency of filter screen, need not to open the rose box simultaneously, avoids the pollution of debris such as external dust.
Description
Technical Field
The utility model relates to the technical field of linseed oil processing, in particular to a linseed oil refining and filtering device with a cleaning structure.
Background
The flaxseeds belong to traditional oil crops in China and are mainly produced in regions such as the middle and western part of inner Mongolia, the north part of mountain and west, gansu Huning and the like, the local flaxseeds are also called flaxseeds oil, and the flaxseeds oil contains rich a-linolenic acid, so that the method is a good method for supplementing the linolenic acid, and in order to accelerate the production efficiency of the flaxseeds, the conventional processing factories generally directly use a refining and filtering device to squeeze and refine the flaxseeds.
According to a well-known linseed oil refining and filtering device (publication number: CN 217773419U), in the above-mentioned application, be provided with three filter in the rose box, the filter diameter of three filter is the same, can filter linseed oil step by step for impurity in the linseed oil is filtered out by abundant, and the filter can also dismantle, can clear up the filter, avoids blockking up, influences the filter effect.
However, in the actual use process of the equipment, impurities in linseed oil cannot be blocked in the middle of refining filtration in the refining filtration process of the whole device, and if the filtering box is opened at the moment to detach and replace the filtering plate, the impurities such as external dust cannot enter the linseed oil to cause pollution, so that the production quality of the linseed oil is affected; in view of this, we propose a linseed oil refining filtration device with a cleaning structure.
Disclosure of Invention
The utility model aims to provide a linseed oil refining and filtering device with a cleaning structure, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a refined filter equipment of linseed oil with clearance structure, includes the workstation, the upper surface fixed mounting of workstation has the mechanism of squeezing, the bottom surface fixed mounting of squeezing the mechanism has the rose box, the inside fixed mounting of rose box has clearance mechanism, the right side of rose box is provided with drive mechanism, clearance mechanism includes:
the liquid inlet hopper is fixedly arranged in the transmission mechanism, an electromagnetic valve is fixedly arranged on the outer side of the liquid inlet hopper, and the electromagnetic valve can control the opening and closing of the liquid inlet hopper so as to control whether linseed oil falls or not;
the groove is formed in the right inner wall surface of the filter box, a screw is rotatably arranged on the left inner wall surface of the groove, a push plate is connected to the outer side of the screw in a threaded manner, and when the screw rotates, the push plate can be driven to perform linear motion in the left-right direction under the cooperation of the groove and the filter box;
the discharging port is formed in the left inner wall surface of the filtering box, a baffle is arranged in the discharging port, the baffle can seal the discharging port to avoid waste caused by linseed oil flowing into the collecting box, a U-shaped frame is fixedly arranged on the left surface of the baffle, a limiting plate is fixedly arranged at the upper end of the right surface of the U-shaped frame, penetrates through the left surface of the filtering box, and a spring is fixedly arranged on the left surface of the limiting plate;
the collecting box is fixedly arranged on the left side surface of the filtering box, and the arranged collecting box can collect impurities.
Preferably, the outer wall of push pedal and the inner wall of rose box laminating each other, can promote the filter screen surface accumulational impurity of rose box inside setting left when the push pedal removes left, avoid blockking up the filter screen.
Preferably, the outer wall of baffle and the inner wall of bin outlet laminate each other, and the inside of rose box communicates each other through the inside of bin outlet and collecting box, and the impurity of pushing left can be collected through the inside discharge of bin outlet collecting box.
Preferably, the left end of the spring is fixedly connected with the left inner wall surface of the filter box, and the spring is sleeved on the outer side of the U-shaped frame.
Preferably, the transmission mechanism includes:
the motor is fixedly arranged on the right side surface of the filter box;
the transmission cavity is arranged in the right inner wall of the filter box, a large chain wheel is arranged in the center of the inside of the transmission cavity, two small chain wheels are arranged at the upper end and the lower end of the inside of the transmission cavity, a rotating shaft is installed on the right side surface of each small chain wheel in a rotating mode, the large chain wheels are connected with the two small chain wheels through chain transmission, and the two small chain wheels are driven to rotate synchronously through chains when the large chain wheels rotate.
Preferably, an output shaft of the motor penetrates through the right side surface of the filter box and is fixedly connected with the right side surface of the large chain wheel, and the large chain wheel is driven to rotate when the motor is started.
Compared with the prior art, the utility model provides a linseed oil refining and filtering device with a cleaning structure, which has the following beneficial effects:
1. this refined filter equipment of linseed oil with clearance structure, starter motor drives the screw rod through the cooperation of big sprocket, little sprocket, chain and pivot and rotates, when the screw rod is rotating, drives the push pedal and removes left under the spacing of recess and rose box, promotes the impurity that filters down above the filter screen left, collects in discharging the collecting box through the bin outlet, avoids impurity to pile up the jam that causes the filter screen mesh above the filter screen, influences the filtration efficiency of filter screen, need not to open the rose box simultaneously, avoids the pollution of debris such as external dust.
2. This refined filter equipment of linseed oil with clearance structure can promote baffle and U type frame and compression spring left at the in-process that the push pedal moved to the left to drive the baffle and move left and open the bin outlet, make impurity accessible bin outlet discharge, after the clearance is accomplished, start motor reversal drives the push pedal and moves the reset right, and U type frame and baffle can move the reset right under the effect of spring this moment, prevent linseed oil to flow through the bin outlet inside the collection box and cause the waste.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model with a front side partially cut away;
FIG. 3 is a schematic diagram of the structure of the present utility model at A;
fig. 4 is a schematic structural diagram of the present utility model at B.
In the figure: 1. a work table; 2. a pressing mechanism; 3. a filter box; 4. a cleaning mechanism; 401. a liquid inlet hopper; 402. an electromagnetic valve; 403. a groove; 404. a screw; 405. a push plate; 406. a discharge port; 407. a baffle; 408. a U-shaped frame; 409. a limiting plate; 410. a spring; 411. a collection box; 5. a transmission mechanism; 501. a motor; 502. a transmission cavity; 503. a large sprocket; 504. a rotating shaft; 505. a small sprocket; 506. and (3) a chain.
Detailed Description
As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a refined filter equipment of linseed oil with clearance structure, includes workstation 1, and the upper surface fixed mounting of workstation 1 has press mechanism 2, and press mechanism 2 includes: processing case, a motor, the round bar, helical blade, the scraper blade, the violently version, sieve and filter etc. put the flaxseed through the inlet pipe in the box, start the motor, the motor carries out high-speed rotation, drive the round bar and rotate, the round bar rotates and drives helical blade and extrude the breakage to the flaxseed, make the flaxseed pass through the physics and squeeze, make the flaxseed squeeze out, the flaxseed flows to the diaphragm through the filter plate, flow to the bottom inner wall of processing case through the oil outlet of diaphragm, flow into in the rose box 3, the round bar drives the scraper blade and rotates, can carry out abundant stirring to the flaxseed, above-mentioned press mechanism 2 is similar with the structure principle that presses that mentions in the chinese patent (a flaxseed refining filter equipment) of the bulletin number CN217773419U, realize the effect the same, be the prior art means in this field, do not too much here.
The bottom surface fixed mounting who squeezes mechanism 2 has rose box 3, and inside being linear array fixed mounting of rose box 3 has three filter screens, and the inside fixed mounting of rose box 3 has clearance mechanism 4, and the right side of rose box 3 is provided with drive mechanism 5, and clearance mechanism 4 includes: the liquid inlet hopper 401, the recess 403, bin outlet 406 and collection box 411, liquid inlet hopper 401 fixed mounting is in the inside of drive mechanism 5, and the outside fixed mounting of liquid inlet hopper 401 has solenoid valve 402, sets up solenoid valve 402 steerable linseed oil and whether flows into rose box 3, and recess 403 is seted up at the right side inner wall surface of rose box 3, and the quantity of recess 403 is three, and three recess 403 set up the top at three filter screens respectively.
The screw rod 404 is installed in the rotation of the left side inner wall surface of recess 403, the outside threaded connection of screw rod 404 has push pedal 405, the outer wall of push pedal 405 and the inner wall of rose box 3 laminating each other, the bottom surface of push pedal 405 and the upper surface of filter screen laminating each other, can drive push pedal 405 and control the linear motion of direction under the spacing of rose box 3 when screw rod 404 rotates, can promote the impurity that filter screen top was filtered when push pedal 405 left, thereby push into the inside of rose box 3 with the impurity from bin outlet 406, the clearance to the impurity is accomplished, thereby avoid impurity to pile up the jam that causes the filter screen mesh in the filter screen top, influence the filtration efficiency of filter screen.
Further, the bin outlet 406 is formed in the left inner wall surface of the filter box 3, the baffle 407 is arranged in the bin outlet 406, the baffle 407 is arranged to prevent linseed oil from flowing into the collecting tank 411 to cause waste, the outer wall of the baffle 407 is mutually attached to the inner wall of the bin outlet 406, the U-shaped frame 408 is fixedly arranged on the left side surface of the baffle 407, the limiting plate 409 is fixedly arranged on the right side surface of the U-shaped frame 408, penetrating through the left side surface of the filter box 3, the baffle 407 and the U-shaped frame 408 are pushed leftwards in the process of leftwards moving the push plate 405, so that the baffle 407 is driven to leftwards move to open the bin outlet 406, and impurities can be discharged through the bin outlet 406.
The left side surface fixed mounting of limiting plate 409 has spring 410, the left end of spring 410 and the left side inner wall surface fixed connection of rose box 3, spring 410 cup joints in the outside of U type frame 408, spring 410 through setting up produces elastic potential energy when limiting plate 409 moves left, when push pedal 405 moves the reset to the right, it moves reset to drive U type frame 408 and baffle 407 right under the elastic potential energy effect of spring 410, separate bin outlet 406 again, collecting box 411 fixed mounting is at the left side surface of rose box 3, the collecting box 411 of setting can collect impurity, the inside of rose box 3 communicates each other through the inside of bin outlet 406 and collecting box 411.
The transmission mechanism 5 includes: the motor 501 and the transmission cavity 502, motor 501 fixed mounting is in the right side surface of rose box 3, the transmission cavity 502 is offered in the right side inner wall of rose box 3, the inside center department of transmission cavity 502 is provided with big sprocket 503, both ends are provided with two little sprockets 505 about the inside of transmission cavity 502, the right side surface rotation of little sprocket 505 installs pivot 504, be connected through the chain 506 transmission between big sprocket 503 and two little sprockets 505, the output shaft of motor 501 runs through the right side surface of rose box 3 and the right side surface fixed connection of big sprocket 503, can drive big sprocket 503 and rotate when motor 501 starts, and then drive the little sprocket 505 of upper and lower both ends through chain 506 and rotate, the right-hand member of three screw 404 runs through the inner wall of rose box 3 and is fixed connection with the left side surface of big sprocket 503 and little sprocket 505 respectively, can drive three screw 404 and rotate when big sprocket 503 rotates.
In the utility model, when the device is used, the liquid inlet hopper 401 is closed through the electromagnetic valve 402, so that linseed oil does not flow down any more, the motor 501 is started, the screw 404 is driven to rotate through the cooperation of the large chain wheel 503, the small chain wheel 505, the chain 506 and the rotating shaft 504, when the screw 404 rotates, the push plate 405 is driven to move leftwards under the limit of the groove 403 and the filter box 3, impurities filtered above the filter screen are pushed leftwards, the blocking of filter screen meshes caused by the accumulation of the impurities above the filter screen is avoided, the filtering efficiency of the filter screen is influenced, the baffle 407 and the U-shaped frame 408 are pushed leftwards in the process of moving the push plate 405 leftwards, the spring 410 is compressed to generate elastic potential energy, the baffle 407 is driven to move leftwards to open the discharge outlet 406, the impurities can be discharged through the discharge outlet 406, after the cleaning is completed, the motor 501 is started to reverse, the push plate 405 is driven to move rightwards to reset, and the U-shaped frame 408 and the baffle 407 can move rightwards under the effect of the spring 410, so that the linseed oil is prevented from flowing into the collection box 411 to cause waste.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a refined filter equipment of linseed oil with clearance structure, includes workstation (1), the last fixed surface of workstation (1) installs press mechanism (2), the bottom surface fixed mounting of press mechanism (2) has rose box (3), its characterized in that: the inside fixed mounting of rose box (3) has clearance mechanism (4), the right side of rose box (3) is provided with drive mechanism (5), clearance mechanism (4) include:
the liquid inlet hopper (401), the liquid inlet hopper (401) is fixedly arranged in the transmission mechanism (5), and an electromagnetic valve (402) is fixedly arranged at the outer side of the liquid inlet hopper (401);
the groove (403) is formed in the right inner wall surface of the filter box (3), a screw (404) is rotatably arranged on the left inner wall surface of the groove (403), and a push plate (405) is connected with the outer side of the screw (404) in a threaded manner;
the material discharging device comprises a material discharging opening (406), wherein the material discharging opening (406) is formed in the left inner wall surface of a filter box (3), a baffle plate (407) is arranged in the material discharging opening (406), a U-shaped frame (408) is fixedly arranged on the left surface of the baffle plate (407), a limiting plate (409) is fixedly arranged at the upper end of the right surface of the U-shaped frame (408) penetrating through the left surface of the filter box (3), and a spring (410) is fixedly arranged on the left surface of the limiting plate (409);
and the collecting box (411), wherein the collecting box (411) is fixedly arranged on the left side surface of the filtering box (3).
2. The linseed oil refining and filtering device with the cleaning structure according to claim 1, wherein: the outer wall of the push plate (405) is mutually attached to the inner wall of the filter box (3).
3. The linseed oil refining and filtering device with the cleaning structure according to claim 1, wherein: the outer wall of baffle (407) and the inner wall of bin outlet (406) laminating each other, the inside of rose box (3) communicates each other through the inside of bin outlet (406) and collection box (411).
4. The linseed oil refining and filtering device with the cleaning structure according to claim 1, wherein: the left end of the spring (410) is fixedly connected with the left inner wall surface of the filter box (3), and the spring (410) is sleeved on the outer side of the U-shaped frame (408).
5. The linseed oil refining and filtering device with the cleaning structure according to claim 1, wherein: the transmission mechanism (5) comprises:
a motor (501), wherein the motor (501) is fixedly arranged on the right side surface of the filter box (3);
the transmission cavity (502), set up in the right side inner wall of rose box (3) transmission cavity (502), the inside center department of transmission cavity (502) is provided with big sprocket (503), both ends are provided with two little sprocket (505) about the inside of transmission cavity (502), pivot (504) are installed in the right side surface rotation of little sprocket (505), be connected through chain (506) transmission between big sprocket (503) and two little sprocket (505).
6. The linseed oil refining and filtering device with the cleaning structure of claim 5, wherein: an output shaft of the motor (501) penetrates through the right side surface of the filter box (3) and is fixedly connected with the right side surface of the large chain wheel (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320621289.3U CN219922197U (en) | 2023-03-27 | 2023-03-27 | Linseed oil refining and filtering device with cleaning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320621289.3U CN219922197U (en) | 2023-03-27 | 2023-03-27 | Linseed oil refining and filtering device with cleaning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219922197U true CN219922197U (en) | 2023-10-31 |
Family
ID=88493411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320621289.3U Active CN219922197U (en) | 2023-03-27 | 2023-03-27 | Linseed oil refining and filtering device with cleaning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219922197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118931645A (en) * | 2024-09-06 | 2024-11-12 | 乳山市沃力普生物科技有限公司 | A refining and filtering device for chicken fat processing |
-
2023
- 2023-03-27 CN CN202320621289.3U patent/CN219922197U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118931645A (en) * | 2024-09-06 | 2024-11-12 | 乳山市沃力普生物科技有限公司 | A refining and filtering device for chicken fat processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213533923U (en) | A pressing filter device for camellia oil | |
| CN219922197U (en) | Linseed oil refining and filtering device with cleaning structure | |
| CN220028574U (en) | Molding sand impurity removing machine | |
| CN218306425U (en) | Grape juice filter equipment is used in grape wine production | |
| CN112607882A (en) | Built-in automatic blowdown structure is used for water quality monitoring's river course sewage treatment plant | |
| CN219309649U (en) | Solid-liquid separation device for garbage disposal | |
| CN217857954U (en) | Garbage extrusion device for garbage transfer station | |
| CN217093941U (en) | Industrial solid waste sorting system | |
| CN221623110U (en) | Tea-seed squeezes device for tea-seed oil production | |
| CN220576684U (en) | Raw material squeezing equipment for edible oil production | |
| CN214937299U (en) | Automatic cleaning device of residue is squeezed to tea-seed oil | |
| CN222057513U (en) | Waste battery recovery device | |
| CN221819575U (en) | Landfill leachate filter pressing equipment | |
| CN211947696U (en) | Clean paper pulp filtering and screening device for papermaking | |
| CN221029288U (en) | Impurity separator dross removal mechanism | |
| CN216260358U (en) | Mongolian almond is planted with kind husky mixture ratio device | |
| CN217838841U (en) | Camellia oil processing filter | |
| CN221964661U (en) | Walnut oil sediment separation device | |
| CN215243069U (en) | Oil press with slag scraping device | |
| CN222196082U (en) | A filtering device for oil press | |
| CN217989427U (en) | Integrative device of screening is smashed to non-crystal calcium aluminate | |
| CN218473993U (en) | Milk purifying equipment for processing dairy products | |
| CN222065010U (en) | Bagasse pulping and impurity removing device | |
| CN221637540U (en) | Soybean oil production separation is with collection device | |
| CN221670885U (en) | Kiwi fruit juice extractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |