CN211964582U - Drum reciprocating sieve formula magnet separator - Google Patents
Drum reciprocating sieve formula magnet separator Download PDFInfo
- Publication number
- CN211964582U CN211964582U CN201922310451.6U CN201922310451U CN211964582U CN 211964582 U CN211964582 U CN 211964582U CN 201922310451 U CN201922310451 U CN 201922310451U CN 211964582 U CN211964582 U CN 211964582U
- Authority
- CN
- China
- Prior art keywords
- vibrating screen
- movable frame
- belt pulley
- cylinder
- wall
- 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
- 239000006148 magnetic separator Substances 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 18
- 239000002994 raw material Substances 0.000 abstract description 10
- 230000005347 demagnetization Effects 0.000 abstract description 6
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 abstract description 5
- 229910001172 neodymium magnet Inorganic materials 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 30
- 229910052742 iron Inorganic materials 0.000 description 15
- 239000000126 substance Substances 0.000 description 11
- 230000005389 magnetism Effects 0.000 description 10
- 238000007885 magnetic separation Methods 0.000 description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model provides a cylinder reciprocating sieve formula magnet separator. The cylinder reciprocating sieve formula magnet separator includes: a housing; the bottom ends of the two first connecting rods are respectively and movably connected with two second connecting rods, and a vibrating screen is movably connected between the other ends of the two second connecting rods; the cylinder, cylindrical one end is fixed in the front of the inner wall of casing, and is located the bottom of reciprocating sieve, the surface of cylindrical one side is provided with the magnet piece, the cylindrical front is rotated and is connected with the sleeve, telescopic front is provided with the double flute belt pulley. The utility model provides a drum vibrating screen type magnetic separator which has compact structure and high efficiency, and the discharging of the vibrating screen is uniform, thereby the raw materials are better sorted; particularly poor flowability materials; and through the magnetic force material of magnetic cylinder for neodymium iron boron powerful magnet, magnetic force is strong stability, is fit for long-time the use, and demagnetization, power consumption is not used, energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a magnetic separation device field especially relates to a cylinder reciprocating sieve formula magnet separator.
Background
The magnetic separation is a separation method for separating useful minerals from the minerals according to different magnetic properties of the minerals, the working principle of the magnetic separation is that the magnetic separation is under the combined action of magnetic force and other mechanical force, and the magnitude of the magnetic force applied to magnetic mineral particles is related to the magnetic properties of the minerals; the non-magnetic mineral particles are primarily subjected to mechanical forces. Thus, each moves along a different path to obtain a sort. Generally, the magnitude of the specific magnetic force experienced by a magnetic particle in a magnetic field is proportional to the magnetic field strength and the gradient.
However, the existing drum-type magnetic separation equipment has certain defects, for example, the existing drum-type magnetic separation equipment cannot well separate raw materials, particularly raw materials with poor flowability, has the phenomenon of dragging and pulling in the process of motion again, seriously influences the magnetic separation effect, has strong magnetic force and poor stability, cannot be suitable for long-time use, has the phenomenon of demagnetization, and does not have the characteristics of energy conservation and environmental protection.
Therefore, it is necessary to provide a drum vibrating screen magnetic separator to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cylinder reciprocating sieve formula magnet separator has solved the poor raw materials of messenger's mobility that can not be fine and has carried out the problem of sorting.
In order to solve the technical problem, the utility model provides a cylinder reciprocating sieve formula magnet separator includes:
a housing;
the bottom ends of the two first connecting rods are respectively and movably connected with two second connecting rods, and a vibrating screen is movably connected between the other ends of the two second connecting rods;
the vibrating screen comprises a cylinder, wherein one end of the cylinder is fixed on the front surface of the inner wall of the shell and is positioned at the bottom of the vibrating screen, a magnet block is arranged on the outer surface of one side of the cylinder, the front surface of the cylinder is rotatably connected with a sleeve, and a double-groove belt pulley is arranged on the front surface of the sleeve;
the bottom of the motor is fixed on the front surface of the inner wall of the shell through a support frame and is positioned on one side of the sleeve, an output shaft of the motor is fixedly connected with a first belt pulley, and the outer surface of the first belt pulley is in transmission connection with the outer surface of the double-groove belt pulley through a belt;
the driving structure is arranged on one side of the inner wall of the shell;
the structure is compact, the size is designed according to the size of raw materials and the size of output, the efficiency is high, and the discharging of the vibrating screen is uniform, so that the raw materials are better sorted; particularly poor flowability materials; the stable noise of reciprocating sieve structural design is little, and magnetic drum magnetic material is neodymium iron boron strong magnet, and magnetic force is strong stability good, is fit for long-time the use, and the demagnetization does not use electricity, and is energy-concerving and environment-protective.
One side of the shell is provided with a control switch.
Preferably, an inclined plate is fixedly connected between two sides of the inner wall of the shell, and a discharge hole is formed in the bottom of one side of the inner wall of the shell.
Preferably, the drive structure includes the movable frame, it is connected with the axis of rotation to rotate between the front and the back of the inner wall of movable frame, the one end of axis of rotation runs through the movable frame extends to the front of movable frame, the axis of rotation extends to the outer fixed surface of the positive one end of movable frame is connected with the second belt pulley, the surface of second belt pulley with the surface of double flute belt pulley passes through belt transmission and is connected.
Preferably, an eccentric wheel is fixedly connected to the outer surface of the rotating shaft and is located inside the movable frame.
Preferably, a sliding plate is slidably connected between the front side and the back side of the inner wall of the movable frame and is located on one side of the eccentric wheel, a T-shaped rod is fixedly connected to one side of the sliding plate, an extrusion spring is sleeved on the outer surface of the T-shaped rod, and one end of the T-shaped rod penetrates through the movable frame and extends to the outside of the movable frame.
Preferably, a driving plate is fixedly connected to the bottom of the vibrating screen, one side of the driving plate is connected to one end, extending to the outside of the movable frame, of the T-shaped rod, and a feeding nozzle is arranged at the top of the shell.
Preferably, the top sliding connection of hang plate has the sliding block, the top fixedly connected with extension plate of sliding block, the top of hang plate just is located the bottom of extension plate is provided with the elasticity extrusion pad.
Compared with the prior art, the utility model provides a cylinder reciprocating sieve formula magnet separator has following beneficial effect:
the utility model provides a cylinder reciprocating sieve formula magnet separator, through the rotation of double flute belt pulley, can drive the sleeve and rotate, and then drive the magnetism iron material on the sleeve and move, when magnetism iron material moves to be located the hang plate, just the distance of magnetism iron material and magnet piece is too far away, lose adsorption work, make magnetism iron material fall on the hang plate, and then through the setting of drive structure, can convert the revolving force of sleeve into power, drive reciprocating sieve side-to-side movement, compact structure, high efficiency, and the unloading of reciprocating sieve is even, thereby make the raw materials better select separately; particularly poor flowability materials; and through the magnetic force material of magnetic cylinder for neodymium iron boron powerful magnet, magnetic force is strong stability, is fit for long-time the use, and demagnetization, power consumption is not used, energy-concerving and environment-protective.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of a drum vibrating screen magnetic separator according to the present invention;
FIG. 2 is a cross-sectional structural view of the sleeve shown in FIG. 1;
FIG. 3 is a top view of the movable frame shown in FIG. 1;
fig. 4 is a schematic structural diagram of a second embodiment of the drum vibrating screen magnetic separator provided by the present invention.
Reference numbers in the figures: 1. the device comprises a shell, 2, a first connecting rod, 3, a second connecting rod, 4, a vibrating screen, 5, a cylinder, 6, a magnet block, 7, a sleeve, 8, a double-groove belt pulley, 9, a motor, 10, a first belt pulley, 11, a driving structure, 111, a movable frame, 112, a rotating shaft, 113, a second belt pulley, 114, an eccentric wheel, 115, a sliding plate, 116, a T-shaped rod, 117, an extrusion spring, 12, an inclined plate, 13, a discharge port, 14, a driving plate, 15, a feeding nozzle, 16, a sliding block, 17, an extension plate, 18 and an elastic extrusion pad.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a first embodiment of a drum vibrating screen magnetic separator according to the present invention; FIG. 2 is a cross-sectional structural view of the sleeve shown in FIG. 1; fig. 3 is a plan view of the movable frame shown in fig. 1. Cylinder reciprocating sieve formula magnet separator includes:
a housing 1;
the bottom ends of the two first connecting rods 2 are respectively and movably connected with two second connecting rods 3, and a vibrating screen 4 is movably connected between the other ends of the two second connecting rods 3;
one end of the cylinder 5 is fixed on the front surface of the inner wall of the shell 1 and is positioned at the bottom of the vibrating screen 4, a magnet block 6 is arranged on the outer surface of one side of the cylinder 5, a sleeve 7 is rotatably connected to the front surface of the cylinder 5, and a double-groove belt pulley 8 is arranged on the front surface of the sleeve 7;
the bottom of the motor 9 is fixed on the front surface of the inner wall of the shell 1 through a support frame and is positioned on one side of the sleeve 7, an output shaft of the motor 9 is fixedly connected with a first belt pulley 10, and the outer surface of the first belt pulley 10 is in transmission connection with the outer surface of the double-groove belt pulley 8 through a belt;
the driving structure 11 is arranged on one side of the inner wall of the shell 1;
the structure is compact, the size is designed according to the size of raw materials and the size of output, the efficiency is high, and the discharging of the vibrating screen is uniform, so that the raw materials are better sorted; particularly poor flowability materials; the stable noise of reciprocating sieve structural design is little, and magnetic drum magnetic material is neodymium iron boron strong magnet, and magnetic force is strong stability good, is fit for long-time the use, and the demagnetization does not use electricity, and is energy-concerving and environment-protective.
One side of the shell 1 is provided with a control switch;
the magnet block 6 is fixedly connected with the outer surface of the column 5, so that the rotation of the magnet block 6 is avoided;
the number of the magnet blocks is four, five or six magnet blocks can be set according to actual conditions, and the motor 9 is connected with an external power supply and a control switch;
the double-groove belt pulley 8 is mainly convenient to be connected with the two belt pulleys through two belts;
the vibrating screen 4 is arranged in an inclined shape, and the inclined angle is 30-50 degrees.
An inclined plate 12 is fixedly connected between two sides of the inner wall of the shell 1, and a discharge hole 13 is formed in the bottom of one side of the inner wall of the shell 1;
the inclined plate 12 is arranged to facilitate the reception of the magnetic iron substance dropped off from the outer surface of the sleeve 7, and the magnetic iron substance is discharged through the discharge port 13.
The driving structure 11 comprises a movable frame 111, a rotating shaft 112 is rotatably connected between the front surface and the back surface of the inner wall of the movable frame 111, one end of the rotating shaft 112 penetrates through the movable frame 111 and extends to the front surface of the movable frame 111, the outer surface of one end of the rotating shaft 112 extending to the front surface of the movable frame 111 is fixedly connected with a second belt pulley 113, and the outer surface of the second belt pulley 113 is in transmission connection with the outer surface of the double-groove belt pulley 8 through a belt;
the driving structure 11 is mainly used for converting the rotating force of the sleeve 7 into power to drive the vibrating screen 4 to move left and right.
An eccentric wheel 114 is fixedly connected to the outer surface of the rotating shaft 112 and is located inside the movable frame 111;
the eccentric 114 is arranged to drive the slide plate 115 to the left, and the drive plate 14 to the right via the T-bar 116, and thus the vibrating screen 4 to the left, mainly when the eccentric is rotated.
A sliding plate 115 is slidably connected between the front side and the back side of the inner wall of the movable frame 111 and is positioned on one side of the eccentric wheel 114, a T-shaped rod 116 is fixedly connected to one side of the sliding plate 115, an extrusion spring 117 is sleeved on the outer surface of the T-shaped rod 116, and one end of the T-shaped rod 116 penetrates through the movable frame 111 and extends to the outside of the movable frame 111;
the sliding plate 115 may be pressed by the elastic force of the pressing spring 117 itself, so that the sliding plate 115 contacts the outer surface of the eccentric wheel 114, and the shaker 4 may be driven to move to the right, so that the shaker may reciprocate left and right.
A driving plate 14 is fixedly connected to the bottom of the vibrating screen 4, one side of the driving plate 14 is connected to one end of the T-shaped rod 116 extending to the outside of the movable frame 111, and a feeding nozzle 15 is arranged at the top of the housing 1;
the driving plate 14 is arranged to drive the driving plate 14 to move left and right through the T-shaped rod 116, so as to drive the vibrating screen to move left and right, and further to shake the material, so that the material is discharged conveniently and contacts with the outer surface of the sleeve 7.
The utility model provides a cylinder reciprocating sieve formula magnet separator's theory of operation as follows:
the material is placed in the vibrating screen inside the shell 1 through the feeding nozzle 15, the first belt pulley 10 can be driven to rotate by starting the motor 9, the double-groove belt pulley 8 can be driven to rotate by the rotation of the first belt pulley 10, and then the second belt pulley 113 is driven to rotate by the belt;
the rotation of the second belt pulley 113 can drive the rotation shaft 112 to rotate, and the rotation of the rotation shaft 112 can drive the eccentric wheel 114 to rotate, so as to drive the sliding plate 115 to move leftwards, and further drive the driving plate 14 to move rightwards through the T-shaped rod 116, so as to drive the vibrating screen 4 to move leftwards, and then the elastic force of the extrusion spring 117 can extrude the sliding plate 115, so that the sliding plate 115 is in contact with the outer surface of the eccentric wheel 114, and can drive the vibrating screen to move rightwards, so that the vibrating screen 4 forms a left-right reciprocating motion;
through the vibration of the left and right movement of the vibrating screen 4, the material on the vibrating screen 4 is poured to one side and falls onto the outer surface of the sleeve 7, and the magnetic iron substance in the material can be adsorbed through the magnet block 6;
through the rotation of double flute belt pulley 8, can drive sleeve 7 and rotate, and then drive the magnetism iron substance on the sleeve 7 and move, move on being in hang plate 12 when the magnetism iron substance, the distance of magnetism iron substance and magnet piece 6 is too far away just, loses adsorption work for the magnetism iron substance falls on hang plate 12, discharges through discharge gate 13.
Compared with the prior art, the utility model provides a cylinder reciprocating sieve formula magnet separator has following beneficial effect:
through the rotation of the double-groove belt pulley 8, the sleeve 7 can be driven to rotate, and then the magnetic iron substance on the sleeve 7 is driven to move, when the magnetic iron substance moves to the inclined plate 12, the distance between the magnetic iron substance and the magnet block 6 is just too far, and the adsorption work is lost, so that the magnetic iron substance falls on the inclined plate 12, and then through the arrangement of the driving structure 11, the rotating force of the sleeve 7 can be converted into power to drive the vibrating screen 4 to move left and right, the structure is compact, the efficiency is high, the discharging of the vibrating screen is uniform, and therefore raw materials are better sorted; particularly poor flowability materials; and through the magnetic force material of magnetic cylinder for neodymium iron boron powerful magnet, magnetic force is strong stability, is fit for long-time the use, and demagnetization, power consumption is not used, energy-concerving and environment-protective.
Second embodiment
Referring to fig. 4, a second embodiment of the present application provides another drum vibrating screen magnetic separator based on the drum vibrating screen magnetic separator provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference of the device of the drum vibrating screen magnetic separator provided by the second embodiment of the present application lies in: a sliding block 16 is connected to the top of the inclined plate 12 in a sliding manner, an extension plate 17 is fixedly connected to the top of the sliding block 16, and an elastic extrusion pad 18 is arranged at the bottom of the extension plate 17 and at the top of the inclined plate 12;
the setting of extension plate 17 is mainly used for the length of extension hang plate 12, avoids because long-time work back, and telescopic surface is mixed and disorderly the material is more, has influenced normal adsorption effect to take place to drop in advance as for the magnetism irony, influences follow-up receipt to the magnetism irony, can extend the length of hang plate 12 through extension plate 17, through the setting of elasticity extrusion pad 18, can extrude by extension plate 17, guarantees that extension plate 17 after the motion carries out stably.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a cylinder reciprocating sieve formula magnet separator which characterized in that includes:
a housing;
the bottom ends of the two first connecting rods are respectively and movably connected with two second connecting rods, and a vibrating screen is movably connected between the other ends of the two second connecting rods;
the vibrating screen comprises a cylinder, wherein one end of the cylinder is fixed on the front surface of the inner wall of the shell and is positioned at the bottom of the vibrating screen, a magnet block is arranged on the outer surface of one side of the cylinder, the front surface of the cylinder is rotatably connected with a sleeve, and a double-groove belt pulley is arranged on the front surface of the sleeve;
the bottom of the motor is fixed on the front surface of the inner wall of the shell through a support frame and is positioned on one side of the sleeve, an output shaft of the motor is fixedly connected with a first belt pulley, and the outer surface of the first belt pulley is in transmission connection with the outer surface of the double-groove belt pulley through a belt;
a drive structure disposed on one side of the inner wall of the housing.
2. The drum vibrating screen magnetic separator as claimed in claim 1, wherein an inclined plate is fixedly connected between two sides of the inner wall of the casing, and a discharge hole is opened at the bottom of one side of the inner wall of the casing.
3. The drum-vibrating screen magnetic separator according to claim 1, wherein the driving structure comprises a movable frame, a rotating shaft is rotatably connected between the front and the back of the inner wall of the movable frame, one end of the rotating shaft penetrates through the movable frame and extends to the front of the movable frame, a second belt pulley is fixedly connected to the outer surface of the end of the rotating shaft extending to the front of the movable frame, the outer surface of the second belt pulley is connected with the outer surface of the double-groove belt pulley through a belt transmission, an eccentric wheel is fixedly connected to the outer surface of the rotating shaft and is located inside the movable frame, a sliding plate is slidably connected between the front and the back of the inner wall of the movable frame and is located on one side of the eccentric wheel, a T-shaped rod is fixedly connected to one side of the sliding plate, and an extrusion spring is sleeved on the outer surface of the T-shaped rod, one end of the T-shaped rod penetrates through the movable frame and extends to the outside of the movable frame, the vibrating screen is characterized in that a driving plate is fixedly connected to the bottom of the vibrating screen, one side of the driving plate is connected with one end, extending to the outside of the movable frame, of the T-shaped rod, and a feeding nozzle is arranged at the top of the shell.
4. The drum vibrating screen magnetic separator as claimed in claim 2, wherein the top of the inclined plate is slidably connected with a sliding block, the top of the sliding block is fixedly connected with an extension plate, and the top of the inclined plate and the bottom of the extension plate are provided with elastic extrusion pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310451.6U CN211964582U (en) | 2019-12-20 | 2019-12-20 | Drum reciprocating sieve formula magnet separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310451.6U CN211964582U (en) | 2019-12-20 | 2019-12-20 | Drum reciprocating sieve formula magnet separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211964582U true CN211964582U (en) | 2020-11-20 |
Family
ID=73378257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922310451.6U Active CN211964582U (en) | 2019-12-20 | 2019-12-20 | Drum reciprocating sieve formula magnet separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211964582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240000424U (en) * | 2022-08-24 | 2024-03-05 | (주)한성 | Chip sorting apparatus |
-
2019
- 2019-12-20 CN CN201922310451.6U patent/CN211964582U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240000424U (en) * | 2022-08-24 | 2024-03-05 | (주)한성 | Chip sorting apparatus |
| KR200499467Y1 (en) * | 2022-08-24 | 2025-08-11 | (주)한성 | Chip sorting apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209886141U (en) | A kind of motion structure for vibration of mine screen machine | |
| CN201529568U (en) | Automatic magnetic separator of dry powder | |
| CN212855969U (en) | Raw materials grading grinder is used in rubber strip production | |
| CN206763128U (en) | A kind of permanent-magnetic iron expeller | |
| CN211964582U (en) | Drum reciprocating sieve formula magnet separator | |
| CN101554614B (en) | Anti-podal permanent magnetic high-intensity magnetic separator | |
| CN220004315U (en) | Alumina micropowder grinder | |
| CN109225827A (en) | A kind of multiaxis driving forced vibration flip flop screen | |
| CN209531011U (en) | A chemical raw material grinding device for chemical industry | |
| CN114100765A (en) | Nano-material grinding device | |
| CN205613699U (en) | Horizontal rectilinear vibrating screen selects mechanism | |
| CN105879990A (en) | Resonance mill | |
| CN104399660A (en) | Online magnetic variation force vibration exciter | |
| CN109046774A (en) | A kind of permanent magnetism magnetic floating dry type strong magnetic separator | |
| CN201394500Y (en) | Opposite pole permanent magnet strong magnetic separator | |
| CN214107836U (en) | Square hole gravel sieve structure for concrete test | |
| CN203343068U (en) | Multipurpose vibration sieving and grinding machine | |
| CN216679004U (en) | Aggregate grading vibrating screen | |
| CN117282667A (en) | A large particle foreign matter inspection and discharge device for polyester paint used in home appliance coil coatings | |
| CN223628743U (en) | A large cone crusher pre-screening rotary uniform ore distribution device | |
| CN211190954U (en) | Mine building stones crushing and screening equipment | |
| CN103191822A (en) | Feeding device | |
| CN202123007U (en) | Roller-type magnetic separator | |
| CN203494618U (en) | Feeding device | |
| CN204220436U (en) | Mining multiple coil cartridge type vibratory sieve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |