CN214096667U - Sampling drilling equipment for mine geological investigation - Google Patents
Sampling drilling equipment for mine geological investigation Download PDFInfo
- Publication number
- CN214096667U CN214096667U CN202022981140.5U CN202022981140U CN214096667U CN 214096667 U CN214096667 U CN 214096667U CN 202022981140 U CN202022981140 U CN 202022981140U CN 214096667 U CN214096667 U CN 214096667U
- Authority
- CN
- China
- Prior art keywords
- shell
- rotating
- fixing
- telescopic rod
- drill bit
- 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
- Earth Drilling (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model provides a mine geology is surveyed with sample drilling equipment relates to the geology and surveys technical field. This mine geology reconnaissance is with sample drilling equipment includes fixed subassembly, protection subassembly and supporting component. The fixing assembly comprises a supporting base, a hydraulic column is mounted on one side of the supporting base, a telescopic rod is mounted on one side of the hydraulic column, a rotating ball is mounted at the bottom end of the telescopic rod, the rotating ball is movably connected with a contact plate, a fixing ring is mounted at the top end of the contact plate, and the telescopic rod and the contact plate form a rotating structure through the rotating ball; the protection subassembly, the protection subassembly includes first shell, the spacing groove is installed to one side of first shell, the spacing groove is through the card and be connected with the stopper, the telescopic link is installed to one side of stopper. The setting of fixed subassembly can still can fix sample drilling equipment when running into some circumstances of unevenness on ground such as mine, guarantees that equipment normally works.
Description
Technical Field
The utility model belongs to the technical field of the geologic survey technique and specifically relates to a mine geology is surveyed and is used sample drilling equipment is related to.
Background
The geological exploration of China has been developed in recent years, and the drilling technology is applied more and more in geological exploration engineering with accurate analysis capability, which becomes the main means of geological exploration.
Mine geological survey on the existing market is with sample drilling equipment, adopt the sucking disc to fix ground more, but under the circumstances of mine ground injustice, the effect that the sucking disc played is very little, and the ground that is fit for the sucking disc to use is less, most mine geological survey does not protect around the drill bit work with sample drilling equipment, when the drill bit during operation in mine, the small stone piece of departure has great potential safety hazard to staff on every side, most mine geological survey is with the further protection of the sample drill bit that sample drilling equipment lacked, and reduce the device of the pressure that the drill bit work led to the fact to self, make sample drill bit life-span shorter.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a mine geology reconnaissance is with sample drilling equipment, its fixing device can adapt to the special ground in mine, and is firm reliable, can shelter from the small stone that flies to penetrate everywhere for staff on every side, guarantees safety, can alleviate the pressure that the sample drill bit needs to bear, the life of extension sample drill bit.
In order to achieve the above object, the utility model provides a following technical scheme:
a sampling drilling device for geological exploration of mines mainly comprises: fixed subassembly, protection subassembly and supporting component, wherein:
the fixing assembly comprises a supporting base, a hydraulic column is installed on one side of the supporting base, a first telescopic rod is installed on one side of the hydraulic column, a rotating ball is installed at the bottom end of the first telescopic rod, the rotating ball is movably connected with a contact plate, a fixing ring is installed at the top end of the contact plate, and the first telescopic rod and the contact plate form a rotating structure through the rotating ball;
the protection assembly comprises a first shell, a limiting groove is arranged on one side of the first shell, the limiting groove is connected with a limiting block through a clamp, a second telescopic rod is arranged on one side of the limiting block, a fixing block is arranged at the bottom end of the second telescopic rod, a shielding plate is arranged on one side of the fixing block, and a rotating shaft is arranged at one end of the shielding plate;
supporting component, the internally mounted of first shell has supporting component, annular fixed column is installed on the inside top of first shell, the sample drill bit has been cup jointed to annular fixed column, and the outer wall of sample drill bit is provided with first bearing through cup jointing, the outer wall equidistance of first bearing is provided with a plurality of dead lever, first slider is installed to the other end of dead lever, first slider has first balladeur train through sliding connection, first balladeur train fixed mounting is at the inner wall of first shell, the outer wall of sample drill bit is provided with the second bearing through cup jointing, the outer wall equidistance of second bearing is provided with a plurality of buffering spring post, the second slider is installed to the other end of buffering spring post, the second slider has the second balladeur train through sliding connection, second balladeur train fixed mounting is at the inner wall of first shell.
In some embodiments of the present invention, the track is installed to the bottom of the support base, the track is connected to a rotating wheel through a meshing, the driver is disposed inside the track, the hinge is installed on one side of the first housing, the turnover cover is installed on the other end of the hinge, and the first handrail is installed on one side of the turnover cover.
In some embodiments of the present invention, the shielding plate and the first housing form a rotating structure through a rotating shaft.
In some embodiments of the present invention, the hydraulic column and the contact plate form a lifting structure.
In some embodiments of the utility model, the top end of the supporting base is provided with a general control room, one side of the general control room is provided with a supporting bracket, the other side of the master control chamber is provided with an operation chamber, one side of the supporting bracket is provided with a second shell, a first fixing plate is arranged at the bottom end of the interior of the second shell, a rotating motor is arranged at the top end of the first fixing plate, the output end of the rotating motor is provided with a first bevel gear which is connected with a second bevel gear through meshing, a first gear is arranged on one side of the second bevel gear, the first gear is connected with a gear chain through meshing, the top end of the toothed chain is connected with a second gear through meshing, one side of the toothed chain is provided with a support rod, and a second fixing plate is installed at one side of the supporting rod, a first shell is installed at one side of the supporting rod, and the first bevel gear and the rotating motor form a rotating structure through the output end of the rotating motor.
In some embodiments of the present invention, the buffer spring column and the sampling drill constitute an elastic telescopic structure.
The embodiment of the utility model provides an at least, have following advantage or beneficial effect:
1. through set up fixed subassembly on equipment, can be when meetting the condition of some ground injustices such as mine, under fixed subassembly's the transfer, still can fix sample drilling equipment, make equipment be adapted to the relief environment of various differences, guarantee that equipment normally works.
2. The setting of protection machanism can be at sample drill bit during operation, shelters from the small stone piece that flies to penetrate everywhere because of the sample drill bit arouses for the staff around the equipment, guarantees staff's safety.
3. The setting of supporting component through removing dead lever and buffering spring post, alleviates the pressure that sample drill bit self bore jointly, prolongs the life of sample drill bit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sampling drilling device for geological exploration of a mine according to the present embodiment;
FIG. 2 is a schematic structural view of a fixing assembly;
FIG. 3 is a schematic view of the structure at the first gear;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is a schematic structural view of the support assembly;
FIG. 6 is a schematic view of a second armrest structure;
fig. 7 is an enlarged view of a portion a in fig. 1.
Icon: 101. a support base; 102. a hydraulic column; 103. a first telescopic rod; 104. rotating the ball; 105. a contact plate; 106. a fixing ring; 201. a first housing; 202. a limiting groove; 203. a limiting block; 204. a second telescopic rod; 205. a fixed block; 206. a shielding plate; 207. a rotating shaft; 301. an annular fixing column; 302. a sampling drill bit; 303. a first bearing; 304. fixing the rod; 305. a first slider; 306. a first carriage; 307. a second bearing; 308. a buffer spring post; 309. a second slider; 310. a second carriage; 4. a crawler belt; 5. a rotating wheel; 6. a driver; 7. a hinge; 8. turning over the cover; 9. a first armrest; 10. a master control room; 11. a support bracket; 12. an operation chamber; 13. a second housing; 14. a first fixing plate; 15. rotating the motor; 16. a first bevel gear; 17. a second bevel gear; 18. a first gear; 19. a toothed chain; 20. a second gear; 21. a support bar; 22. and a second fixing plate.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "central," "lateral," "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," "axial," "radial," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features through another feature not in direct contact. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 5, the present embodiment provides a sampling drilling apparatus for geological exploration in a mine, which mainly includes: fixed subassembly 1, protection subassembly 2 and supporting component 3, wherein:
the fixing assembly 1 comprises a supporting base 101, a hydraulic column 102 is installed on one side of the supporting base 101, a first telescopic rod 103 is installed on one side of the hydraulic column 102, the first telescopic rod 103 is used for ensuring that a contact plate 105 can freely rotate, a rotating ball 104 is installed at the bottom end of the first telescopic rod 103, the rotating ball 104 is movably connected with the contact plate 105, a fixing ring 106 is installed at the top end of the contact plate 105, the fixing ring 106 can limit the rotating ball 104, and the first telescopic rod 103 and the contact plate 105 form a rotating structure through the rotating ball 104;
The supporting component 3, the supporting component 3 is installed inside the first casing 201, the annular fixing column 301 is installed at the top end inside the first casing 201, the annular fixing column 301 plays a role in fixing and supporting the sampling drill bit 302, the sampling drill bit 302 is sleeved on the annular fixing column 301, the first bearing 303 is arranged on the outer wall of the sampling drill bit 302 through sleeving, a plurality of fixing rods 304 are arranged on the outer wall of the first bearing 303 at equal intervals, the fixing rods 304 are matched with the first bearing 303, the rotating of the sampling drill bit 302 is not influenced, the self reaction force is shared for the sampling drill bit 302, the excessive pressure is avoided, the sampling drill bit 302 is prevented from being damaged, the first sliding block 305 is installed at the other end of the fixing rod 304, the first sliding block 305 is connected with the first sliding frame 306 through sliding, the fixing rods 304 can be adjusted in position according to the situation through the first sliding block 305, the first sliding frame 306 is fixedly installed on the inner wall of the first casing 201, the outer wall of sample drill bit 302 is provided with second bearing 307 through the cover, and the outer wall equidistance of second bearing 307 is provided with a plurality of buffer spring post 308, and second slider 309 is installed to buffer spring post 308's the other end, and second slider 309 has second balladeur train 310 through sliding connection, and second balladeur train 310 fixed mounting is at the inner wall of first shell 201.
The crawler belt 4 is installed at the bottom end of the supporting base 101, the crawler belt 4 is connected with the rotating wheels 5 through meshing, a driver 6 is arranged inside the crawler belt 4, the rotating wheels 5 are matched with the crawler belt 4 to enable the equipment to move, a hinge 7 is installed on one side of the first shell 201, the turning cover 8 is installed at the other end of the hinge 7, a first handrail 9 is installed on one side of the turning cover 8, and the turning cover 8 can be rotated along the hinge 7 by pulling the first handrail 9.
The shielding plate 206 and the first housing 201 form a rotating structure through the rotating shaft 207, so that the second telescopic rod 204 can pull the shielding plate 206 better, the shielding plate 206 can be better controlled, and stones which burst everywhere can be shielded more comprehensively.
The top end of a supporting base 101 is provided with a master control chamber 10, one side of the master control chamber 10 is provided with a supporting bracket 11, the other side of the master control chamber 10 is provided with an operating chamber 12, the operating chamber 12 can control the device to work, one side of the supporting bracket 11 is provided with a second shell 13, the second shell 13 is used for protecting a toothed chain 19 and avoiding damage, the bottom end inside the second shell 13 is provided with a first fixing plate 14, the first fixing plate 14 can support a rotating motor 15, the top end of the first fixing plate 14 is provided with the rotating motor 15, the output end of the rotating motor 15 is provided with a first bevel gear 16, the first bevel gear 16 is connected with a second bevel gear 17 through meshing, one side of the second bevel gear 17 is provided with a first gear 18, the first gear 18 is connected with the toothed chain 19 through meshing, the top end of the toothed chain 19 is connected with a second gear 20 through meshing, one side of the toothed chain 19 is provided with a supporting rod 21, the second fixing plate 22 is installed on one side of the supporting rod 21, the first shell 201 is installed on one side of the supporting rod 21, the supporting rod 21 plays a role in fixing and supporting the first shell 201, the supporting rod 21 can be fastened on one side of the toothed chain 19 through the second fixing plate 22, and the first bevel gear 16 and the rotating motor 15 form a rotating structure through the output end of the rotating motor 15.
The working principle of the sampling and drilling equipment for the geological exploration of the mine is as follows: when the device is used, firstly, the contact plate 105 is controlled to contact the ground through the lifting of the hydraulic column 102, the rotating ball 104 fixed on the surface of the contact plate 105 is matched with the first telescopic rod 103, so that the contact plate 105 is in closer contact with the ground, the hydraulic column 102 applies pressure to the contact plate 105 to maintain the stability of the device, by controlling the length of the second telescopic rod 204, the rotation angle of the baffle plate 206 through the rotating shaft 207 is better controlled, so that different shielding effects are achieved, a worker makes an instruction through the master control room 10, the rotating motor 15 drives the first bevel gear 16 to rotate, the first bevel gear 16 drives the second bevel gear 17 to rotate, so that the first gear 18 rotates, the first gear 18 drives the toothed chain 19 to work, the toothed chain 19 rolls to drive the first shell 201 to move, so that the lifting of the sampling drill bit 302 is controlled, the sampling drill bit 302 performs sampling work, and the drill bit is fixed by the annular fixed column 301, dead lever 304 disperses the reaction force of sample drill bit 302 itself, and buffering spring post 308 plays the buffering guard action to sample drill bit 302, when needs adjust dead lever 304 and buffering spring post 308, pulls first handrail 9, can follow hinge 7 and rotate flip lid 8, through first slider 305, can make dead lever 304 adjust the position according to the circumstances, through second slider 309, can adjust the height at buffering spring post 308 place.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A mine geology reconnaissance is with sample drilling equipment which characterized in that includes: fixed subassembly (1), protection subassembly (2) and supporting component (3), wherein:
the fixing assembly (1) comprises a supporting base (101), a hydraulic column (102) is installed on one side of the supporting base (101), a first telescopic rod (103) is installed on one side of the hydraulic column (102), a rotating ball (104) is installed at the bottom end of the first telescopic rod (103), a contact plate (105) is movably connected to the rotating ball (104), a fixing ring (106) is installed at the top end of the contact plate (105), and the first telescopic rod (103) and the contact plate (105) form a rotating structure through the rotating ball (104);
the protection assembly (2) comprises a first shell (201), a limiting groove (202) is installed on one side of the first shell (201), the limiting groove (202) is connected with a limiting block (203) through a clamp, a second telescopic rod (204) is installed on one side of the limiting block (203), a fixing block (205) is installed at the bottom end of the second telescopic rod (204), a shielding plate (206) is installed on one side of the fixing block (205), and a rotating shaft (207) is installed at one end of the shielding plate (206);
the inner part of the first shell (201) is provided with a supporting component (3), the top end of the inner part of the first shell (201) is provided with an annular fixing column (301), the annular fixing column (301) is sleeved with a sampling drill bit (302), the outer wall of the sampling drill bit (302) is provided with a first bearing (303) through sleeving, the outer wall of the first bearing (303) is provided with a plurality of fixing rods (304) at equal intervals, the other end of each fixing rod (304) is provided with a first sliding block (305), the first sliding block (305) is connected with a first sliding frame (306) through sliding, the first sliding frame (306) is fixedly arranged on the inner wall of the first shell (201), the outer wall of the sampling drill bit (302) is provided with a second bearing (307) through sleeving, the outer wall of the second bearing (307) is provided with a plurality of buffer spring columns (308) at equal intervals, the other end of each buffer spring column (308) is provided with a second sliding block (309), the second sliding block (309) is connected with a second sliding frame (310) in a sliding mode, and the second sliding frame (310) is fixedly installed on the inner wall of the first shell (201).
2. The mining geology investigation of claim 1 is with sample drilling equipment, characterized in that, the bottom of support base (101) is installed and is had track (4), rotating wheel (5) is connected through the meshing to track (4), the inside of track (4) is provided with actuator (6), hinge (7) are installed to one side of first shell (201), flip lid (8) are installed to the other end of hinge (7), first handrail (9) are installed to one side of flip lid (8).
3. The mining geology investigation of claim 1 uses the sample drilling apparatus, characterized in that, the shutter (206) constitutes the rotating structure with the first housing (201) through the rotating shaft (207).
4. A sampling drilling device for mining geological exploration according to claim 1, characterized in that said hydraulic column (102) and contact plate (105) constitute a lifting structure.
5. The sampling and drilling device for the geological exploration of the mine according to claim 1, wherein a master control room (10) is installed at the top end of the supporting base (101), a supporting bracket (11) is installed at one side of the master control room (10), an operation room (12) is installed at the other side of the master control room (10), a second shell (13) is installed at one side of the supporting bracket (11), a first fixing plate (14) is installed at the bottom end of the interior of the second shell (13), a rotating motor (15) is installed at the top end of the first fixing plate (14), a first bevel gear (16) is installed at the output end of the rotating motor (15), a second bevel gear (17) is connected to the first bevel gear (16) through meshing, a first gear (18) is installed at one side of the second bevel gear (17), and a toothed chain (19) is connected to the first gear (18) through meshing, the top of chain tooth (19) is connected with second gear (20) through the meshing, bracing piece (21) are installed to one side of chain tooth (19), and second fixed plate (22) are installed to one side of bracing piece (21), first shell (201) are installed to one side of bracing piece (21), first bevel gear (16) constitute rotating-structure through the output of rotating motor (15) and rotating motor (15).
6. The mining geology investigation of claim 1 uses sample drilling equipment, characterized in that, the buffer spring post (308) constitutes elastic telescopic structure with sample drill bit (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022981140.5U CN214096667U (en) | 2020-12-09 | 2020-12-09 | Sampling drilling equipment for mine geological investigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022981140.5U CN214096667U (en) | 2020-12-09 | 2020-12-09 | Sampling drilling equipment for mine geological investigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214096667U true CN214096667U (en) | 2021-08-31 |
Family
ID=77462321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022981140.5U Active CN214096667U (en) | 2020-12-09 | 2020-12-09 | Sampling drilling equipment for mine geological investigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214096667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397132A (en) * | 2022-01-20 | 2022-04-26 | 山东省煤田地质局第四勘探队 | Hydraulic ring geological survey sampling device |
| CN115853426A (en) * | 2023-03-02 | 2023-03-28 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Mining drilling surveying device |
-
2020
- 2020-12-09 CN CN202022981140.5U patent/CN214096667U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397132A (en) * | 2022-01-20 | 2022-04-26 | 山东省煤田地质局第四勘探队 | Hydraulic ring geological survey sampling device |
| CN114397132B (en) * | 2022-01-20 | 2023-11-10 | 云南冶金资源股份有限公司 | Hydraulic loop geological survey sampling device |
| CN115853426A (en) * | 2023-03-02 | 2023-03-28 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Mining drilling surveying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214096667U (en) | Sampling drilling equipment for mine geological investigation | |
| WO2023103486A1 (en) | Rotary sampler for geological exploration | |
| CN110439461B (en) | Drilling rig for rock and soil investigation | |
| CN113123726B (en) | Coal mine water permeation detection protection device for coal mine safety | |
| CN215057115U (en) | Perforating device is used in ground reconnaissance | |
| KR860001274A (en) | Cantilever type drilling structure | |
| CN215520817U (en) | Coal mine geological drilling sampling device | |
| CN211085731U (en) | Highway engineering geological survey ground detection device | |
| CN110822251B (en) | Angle adjusting device for remote sensing detector | |
| CN113848086B (en) | Novel sampling and cutting device for geological survey | |
| CN214170523U (en) | Drilling stress detection equipment for coal mine | |
| CN113882802A (en) | Information management system for geological change survey based on big data | |
| CN211874387U (en) | Rock-soil drilling device | |
| CN112482992A (en) | Surveying equipment and surveying method based on geological surveying | |
| CN212428563U (en) | Coal mining sampling device | |
| CN115163047A (en) | Geological survey is with drilling water level survey equipment | |
| CN213872037U (en) | Logging-while-drilling instrument supporting device | |
| CN110578467A (en) | Coal mining sampling device | |
| CN111720705A (en) | Mining machinery supporting equipment | |
| CN216690971U (en) | Mining exploration device | |
| CN214659924U (en) | Mining exploration coring drilling machine | |
| CN215256025U (en) | Deep sampling drilling machine provided with mobile platform and used for geological exploration | |
| CN116025271B (en) | Soil drilling equipment for geological exploration | |
| CN218624105U (en) | Drilling tool structure | |
| CN221400371U (en) | Rock layer sampling drilling tool device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |