CN220072807U - Rolling mill assembly structure - Google Patents
Rolling mill assembly structure Download PDFInfo
- Publication number
- CN220072807U CN220072807U CN202320613065.8U CN202320613065U CN220072807U CN 220072807 U CN220072807 U CN 220072807U CN 202320613065 U CN202320613065 U CN 202320613065U CN 220072807 U CN220072807 U CN 220072807U
- Authority
- CN
- China
- Prior art keywords
- mounting
- rolling mill
- plate
- mounting plate
- groove
- 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
- 238000005096 rolling process Methods 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model belongs to the field of rolling mill assembly, in particular to a rolling mill assembly structure, aiming at the problems that in production, the clearance between a rolling mill stand and a roll bearing seat often exceeds a management limit value, main transmission vibration impact is large, steel ingot is easy to slip when being bitten, and control of plate shape is affected, the utility model provides a scheme which comprises a base, wherein two symmetrically arranged side plates are fixedly arranged at the top of the base, and a top plate is fixedly arranged at the top of the side plates; the fine tuning assembly comprises a second oil cylinder arranged at the top of the bearing seat; the mounting assembly comprises a first insertion block which is in sliding connection with the mounting position; an adjustment assembly. The utility model can quickly and conveniently disassemble and assemble the roller, and can solve the problems that the gap between the rolling mill frame and the bearing seat exceeds the management limit value, the main transmission vibration impact is large, the steel ingot is easy to slip when being bitten, and the control of the plate shape is affected.
Description
Technical Field
The utility model relates to the technical field of rolling mill assembly, in particular to a rolling mill assembly structure.
Background
The two-roller reversible cogging mill is widely used for cogging rolling of square billets, round billets, flat billets and other varieties, can flexibly adapt to billets of various specifications including continuous casting square billets, round billets, steel ingots (including square ingots, flat ingots, round ingots and the like) and the like, and can flexibly provide intermediate rolling billets of various specifications for downstream processes.
However, the intermediate billets have diversified specifications and large size specification differences, the corresponding billets have the same more specifications, the size specification changes greatly, one rolling mill is difficult to meet the use requirement, in the production process, the gap between the rolling mill stand and the roll bearing seat exceeds the management limit value, the main transmission vibration impact is large, and the slipping easily occurs when steel ingots are bitten, so that the control of the plate shape is affected.
In order to solve the problems, the utility model provides a rolling mill assembly structure.
Disclosure of Invention
The utility model provides a rolling mill assembly structure, which solves the problems that in the prior art, the blank specifications are more, the size specification change is larger, one rolling mill is difficult to meet the use requirement, in the production process, the gap between a rolling mill stand and a roll bearing seat exceeds the management limit value, the main transmission vibration impact is large, the steel ingot is easy to slip when being bitten, and the control of the plate shape is influenced.
The utility model provides the following technical scheme:
a rolling mill assembly structure comprises a rolling mill body,
the device comprises a base, wherein two symmetrically arranged side plates are fixedly arranged at the top of the base, a top plate is fixedly arranged at the top of the side plates, two second mounting plates are fixedly arranged at the top of the base, a first mounting plate is connected to the bottom of the top plate in a sliding manner, mounting positions are formed in the first mounting plate and the second mounting plate, a roller is rotatably arranged at the mounting positions, a roller shaft is fixedly arranged in the roller, and bearing seats are rotatably connected to the outer sides of two ends of the roller shaft;
the fine adjustment assembly comprises a second oil cylinder arranged at the top of the bearing seat and is used for adjusting a gap between the bearing seat and the first mounting plate and the second mounting plate;
the mounting assembly comprises a first insert block which is in sliding connection with the mounting position and is used for mounting the roll shaft;
the adjusting assembly comprises a first oil cylinder fixedly arranged at the top of the top plate and is used for adjusting the distance between the two rollers.
In one possible design, the top of the second oil cylinder is fixedly connected with one side of the first mounting plate and one side of the second mounting plate, the bottom of the piston rod of the second oil cylinder is fixedly connected with a T-shaped block, the T-shaped block is slidably connected with one side of the first mounting plate and one side of the second mounting plate, and the T-shaped block is located at the top of the bearing seat.
In one possible design, the top of installation position is opened there is first groove, first mounting panel and second mounting panel one side all are opened there is the second groove, second groove and first inserted block sliding connection, the top of first inserted block is opened there is the third groove, first groove and third groove sliding connection have same second inserted block, second inserted block one end is inserted and is equipped with the picture peg.
In one possible design, two round bars are fixedly arranged at the top of the second mounting plate, and the outer sides of the round bars are in sliding connection with the top plate.
In one possible embodiment, a handle is fixedly mounted on one side of the first insert.
In one possible design, the first cylinder is connected with a hydraulic pump, and the hydraulic pump connected with the first cylinder is a hydraulic pump driven by a servo motor.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
In the utility model, when the rolling mill is installed, two ends of a roller and a bearing seat are pushed into an installation position together, then a first inserting block is pushed into the installation position, a second inserting block is inserted between a first groove and a third groove, a plugboard is inserted into the second inserting block, the first inserting block can be fixed through the plugboard and the second groove, so that the bearing seat is fixed, and likewise, the plugboard is taken out, the second inserting block is pulled out, and then the first inserting block is pulled out;
according to the utility model, the piston rod of the first oil cylinder drives the second mounting plate to slide, so that the distance between the rollers can be changed;
according to the utility model, the piston rod of the second oil cylinder drives the T-shaped block to slide, so that fine adjustment of the gaps between the first mounting plate, the second mounting plate and the bearing seat can be realized;
the utility model can quickly and conveniently disassemble and assemble the roller, and can solve the problems that the gap between the rolling mill frame and the bearing seat exceeds the management limit value, the main transmission vibration impact is large, the steel ingot is easy to slip when being bitten, and the control of the plate shape is affected.
Drawings
FIG. 1 is a schematic view of the whole structure of a rolling mill assembly structure according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a part of a rolling mill assembly structure according to an embodiment of the present utility model;
FIG. 3 is a schematic view of an exploded assembly portion of a rolling mill assembly according to an embodiment of the present utility model;
fig. 4 is an enlarged schematic view of a portion a of a rolling mill assembly structure according to an embodiment of the present utility model.
Reference numerals:
1. a base; 2. a side plate; 3. a top plate; 4. a first mounting plate; 5. a second mounting plate; 6. a fine tuning assembly; 7. a mounting assembly; 8. an adjustment assembly; 9. a roller; 10. a round bar; 11. a first cylinder; 12. a second cylinder; 13. a first plug; 14. a mounting position; 15. a first groove; 16. a second groove; 17. a third groove; 18. a second insert block; 19. inserting plate; 20. a T-shaped block; 21. a bearing seat; 22. and (3) a roll shaft.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.
In embodiments of the present utility model, the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
Example 1
Referring to fig. 1-4, a rolling mill assembly includes:
the device comprises a base 1, two symmetrically arranged side plates 2 are fixedly arranged at the top of the base 1, a top plate 3 is fixedly arranged at the top of the side plates 2, two second mounting plates 5 are fixedly arranged at the top of the base 1, a first mounting plate 4 is connected to the bottom of the top plate 3 in a sliding manner, mounting positions 14 are formed in the first mounting plate 4 and the second mounting plate 5, a roller 9 is rotatably arranged at the mounting positions 14, a roller shaft 22 is fixedly arranged in the roller 9, and bearing seats 21 are rotatably connected to the outer sides of two ends of the roller shaft 22;
the fine tuning assembly 6, the fine tuning assembly 6 includes a second cylinder 12 disposed on top of the bearing housing 21, and is used to adjust the gap between the bearing housing 21 and the first and second mounting plates 4 and 5;
a mounting assembly 7, the mounting assembly 7 comprising a first insert 13 slidably coupled to the mounting location 14 and adapted for mounting of the roller 22;
the adjusting assembly 8, the adjusting assembly 8 comprises a first cylinder 11 fixedly mounted on top of the top plate 3 and is used for adjusting the distance between the two rolls 9.
In the above technical solution, both ends of the roller 9 are pushed into the installation position 14 together with the bearing blocks 21, then the first insert block 13 is pushed into the installation position 14, the second insert block 18 is inserted between the third grooves 17 of the first groove 15, the insert plate 19 is inserted into the second insert block 18, the first insert block 13 can be fixed through the insert plate 19 and the second groove 16, so that the bearing blocks 21 are fixed, likewise, the insert plate 19 is taken out, the second insert block 18 is pulled out, then the first insert block 13 is pulled out, and the roller 9 can be detached,
the technical effect of rapid disassembly and assembly of the roller 9 can be achieved.
With reference to figure 4 of the drawings,
the top of the second oil cylinder 12 is fixedly connected with one side of the first mounting plate 4 and one side of the second mounting plate 5, the bottom of a piston rod of the second oil cylinder 12 is fixedly connected with a T-shaped block 20, the T-shaped block 20 is slidably connected with one side of the first mounting plate 4 and one side of the second mounting plate 5, and the T-shaped block 20 is positioned at the top of a bearing seat 21.
In the technical scheme, the piston rod of the second oil cylinder 12 drives the T-shaped block 20 to slide, so that fine adjustment of the gaps between the first mounting plate 4, the second mounting plate 5 and the bearing seat 21 can be realized;
the technical effects that the gap between the rolling mill stand and the bearing seat 21 exceeds the management limit value, the main transmission vibration impact is large, the steel ingot is easy to slip when being bitten, and the control of the plate shape is affected can be achieved.
With reference to figures 2 and 3 of the drawings,
the top of the mounting position 14 is provided with a first groove 15, one side of the first mounting plate 4 and one side of the second mounting plate 5 are provided with a second groove 16, the second groove 16 is in sliding connection with the first inserting block 13, the top of the first inserting block 13 is provided with a third groove 17, the first groove 15 and the third groove 17 are in sliding connection with the same second inserting block 18, and one end of the second inserting block 18 is inserted with an inserting plate 19;
in the technical scheme, the inserting plate 19 is taken out, the second inserting block 18 is pulled out, and then the first inserting block 13 is pulled out, so that the roller 9 can be detached;
the technical effect of quick replacement of the roller 9 can be achieved.
Example 2
Referring to fig. 1-4, a rolling mill assembly includes:
the device comprises a base 1, two symmetrically arranged side plates 2 are fixedly arranged at the top of the base 1, a top plate 3 is fixedly arranged at the top of the side plates 2, two second mounting plates 5 are fixedly arranged at the top of the base 1, a first mounting plate 4 is connected to the bottom of the top plate 3 in a sliding manner, mounting positions 14 are formed in the first mounting plate 4 and the second mounting plate 5, a roller 9 is rotatably arranged at the mounting positions 14, a roller shaft 22 is fixedly arranged in the roller 9, and bearing seats 21 are rotatably connected to the outer sides of two ends of the roller shaft 22;
the fine tuning assembly 6, the fine tuning assembly 6 includes a second cylinder 12 disposed on top of the bearing housing 21, and is used to adjust the gap between the bearing housing 21 and the first and second mounting plates 4 and 5;
a mounting assembly 7, the mounting assembly 7 comprising a first insert 13 slidably coupled to the mounting location 14 and adapted for mounting of the roller 22;
the adjusting assembly 8, the adjusting assembly 8 comprises a first cylinder 11 fixedly mounted on top of the top plate 3 and is used for adjusting the distance between the two rolls 9.
In the above technical solution, both ends of the roller 9 are pushed into the installation position 14 together with the bearing blocks 21, then the first insert block 13 is pushed into the installation position 14, the second insert block 18 is inserted between the third grooves 17 of the first groove 15, the insert plate 19 is inserted into the second insert block 18, the first insert block 13 can be fixed through the insert plate 19 and the second groove 16, so that the bearing blocks 21 are fixed, likewise, the insert plate 19 is taken out, the second insert block 18 is pulled out, then the first insert block 13 is pulled out, and the roller 9 can be detached,
the technical effect of rapid disassembly and assembly of the roller 9 can be achieved.
With reference to figure 4 of the drawings,
the top of the second oil cylinder 12 is fixedly connected with one side of the first mounting plate 4 and one side of the second mounting plate 5, the bottom of a piston rod of the second oil cylinder 12 is fixedly connected with a T-shaped block 20, the T-shaped block 20 is slidably connected with one side of the first mounting plate 4 and one side of the second mounting plate 5, and the T-shaped block 20 is positioned at the top of a bearing seat 21.
In the technical scheme, the piston rod of the second oil cylinder 12 drives the T-shaped block 20 to slide, so that fine adjustment of the gaps between the first mounting plate 4, the second mounting plate 5 and the bearing seat 21 can be realized;
the technical effects that the gap between the rolling mill stand and the bearing seat 21 exceeds the management limit value, the main transmission vibration impact is large, the steel ingot is easy to slip when being bitten, and the control of the plate shape is affected can be achieved.
With reference to figures 2 and 3 of the drawings,
the top of the mounting position 14 is provided with a first groove 15, one side of the first mounting plate 4 and one side of the second mounting plate 5 are provided with a second groove 16, the second groove 16 is in sliding connection with the first inserting block 13, the top of the first inserting block 13 is provided with a third groove 17, the first groove 15 and the third groove 17 are in sliding connection with the same second inserting block 18, and one end of the second inserting block 18 is inserted with an inserting plate 19;
in the technical scheme, the inserting plate 19 is taken out, the second inserting block 18 is pulled out, and then the first inserting block 13 is pulled out, so that the roller 9 can be detached;
the technical effect of quick replacement of the roller 9 can be achieved.
With reference to figures 1 and 2 of the drawings,
two round rods 10 are fixedly arranged at the top of the second mounting plate 5, and the outer sides of the round rods 10 are in sliding connection with the top plate 3.
In the technical scheme, the second mounting plate 5 is driven to slide by the piston rod of the first oil cylinder 11, so that the distance between the rollers 9 can be changed;
the technical effect of rolling products with different thicknesses can be achieved.
With reference to figure 1 of the drawings,
a handle is fixedly arranged on one side of the first plug block 13, the first oil cylinder 11 is connected with a hydraulic pump, and the hydraulic pump connected with the first oil cylinder 11 is a hydraulic pump driven by a servo motor.
In the above technical solution, the hydraulic pump connected with the first cylinder 11 is a hydraulic pump driven by a servo motor;
the energy-saving and noise-reducing device has the advantages of energy saving, low noise, high efficiency, good flexibility, high efficiency and the like.
However, as well known to those skilled in the art, the working principle and wiring method of the motor, the oil cylinder, etc. are common, and all belong to conventional means or common general knowledge, and are not described herein, so that those skilled in the art can perform any choice according to their needs or convenience.
The working principle and the using flow of the technical scheme are as follows:
when the rolling mill is installed, the two ends of the roller 9 are pushed into the installation position 14 together with the bearing blocks 21, then the first insert block 13 is pushed into the installation position 14, the second insert block 18 is inserted between the third grooves 17 of the first groove 15, the insert plate 19 is inserted into the second insert block 18, the first insert block 13 can be fixed through the insert plate 19 and the second groove 16, so that the bearing blocks 21 are fixed, and likewise, the insert plate 19 is taken out, the second insert block 18 is pulled out, then the first insert block 13 is pulled out, and the roller 9 can be detached, so that the rolling mill is rapid and convenient; the second mounting plate 5 is driven to slide by the piston rod of the first oil cylinder 11, so that the distance between the rollers 9 can be changed, and products with different thicknesses can be rolled; the piston rod of the second oil cylinder 12 drives the T-shaped block 20 to slide, so that fine adjustment of the gaps between the first mounting plate 4, the second mounting plate 5 and the bearing seat 21 can be realized, the problem that the gaps between the rolling mill stand and the bearing seat 21 exceed the management limit value, the main transmission vibration impact is large, the steel ingot is easy to slip when being bitten, and the control of the plate shape is affected is solved.
The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (6)
1. A rolling mill assembly structure, comprising:
the novel roller comprises a base (1), wherein two symmetrically arranged side plates (2) are fixedly arranged at the top of the base (1), a top plate (3) is fixedly arranged at the top of the side plates (2), two second mounting plates (5) are fixedly arranged at the top of the base (1), a first mounting plate (4) is slidably connected to the bottom of the top plate (3), mounting positions (14) are formed in the first mounting plate (4) and the second mounting plate (5), rollers (9) are rotatably arranged at the mounting positions (14), a roller shaft (22) is fixedly arranged in the rollers (9), and bearing seats (21) are rotatably connected to the outer sides of two ends of the roller shaft (22);
the fine adjustment assembly (6) comprises a second oil cylinder (12) arranged at the top of the bearing seat (21), and is used for adjusting the gap between the bearing seat (21) and the first mounting plate (4) and the second mounting plate (5);
a mounting assembly (7), the mounting assembly (7) comprising a first insert (13) slidably connected to a mounting location (14) and being adapted for mounting of a roller shaft (22);
the adjusting assembly (8), the adjusting assembly (8) comprises a first oil cylinder (11) fixedly arranged at the top of the top plate (3) and is used for adjusting the distance between the two rollers (9).
2. The rolling mill assembly structure according to claim 1, wherein the top of the second oil cylinder (12) is fixedly connected with one side of the first mounting plate (4) and one side of the second mounting plate (5), the bottom of a piston rod of the second oil cylinder (12) is fixedly connected with a T-shaped block (20), the T-shaped block (20) is slidably connected with one side of the first mounting plate (4) and one side of the second mounting plate (5), and the T-shaped block (20) is located at the top of the bearing seat (21).
3. The rolling mill assembly structure according to claim 1, wherein the top of the installation position (14) is provided with a first groove (15), one side of the first installation plate (4) and one side of the second installation plate (5) are provided with a second groove (16), the second groove (16) is slidably connected with the first inserting block (13), the top of the first inserting block (13) is provided with a third groove (17), the first groove (15) and the third groove (17) are slidably connected with the same second inserting block (18), and one end of the second inserting block (18) is inserted with an inserting plate (19).
4. A rolling mill assembly according to claim 1, characterized in that the top of the second mounting plate (5) is fixedly provided with two round bars (10), the outer sides of the round bars (10) being in sliding connection with the top plate (3).
5. A rolling mill assembly according to claim 1, characterized in that a handle is fixedly mounted on one side of the first insert (13).
6. The rolling mill assembly structure according to claim 1, wherein the first cylinder (11) is connected with a hydraulic pump, and the hydraulic pump connected with the first cylinder (11) is a servo motor driven hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320613065.8U CN220072807U (en) | 2023-03-27 | 2023-03-27 | Rolling mill assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320613065.8U CN220072807U (en) | 2023-03-27 | 2023-03-27 | Rolling mill assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220072807U true CN220072807U (en) | 2023-11-24 |
Family
ID=88824173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320613065.8U Active CN220072807U (en) | 2023-03-27 | 2023-03-27 | Rolling mill assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220072807U (en) |
-
2023
- 2023-03-27 CN CN202320613065.8U patent/CN220072807U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201140197Y (en) | Wire rod bar blooming mill apparatus | |
| CN101462121A (en) | Wire rod bar blooming mill | |
| CN101633000B (en) | Axial moving device of intermediate rolls | |
| CN220072807U (en) | Rolling mill assembly structure | |
| CN103658191B (en) | Side supporting device of working roll of cold rolling machine | |
| CN202079087U (en) | Adjustable vertical roll side compression device | |
| EP0937517A3 (en) | Improved side supported 6-high rolling mill | |
| CN113385541A (en) | Energy-saving continuous casting and rolling pendulum shear for thin slab | |
| CN101670364B (en) | Novel hard alloy wire rod processing process | |
| RU2429090C1 (en) | Procedure for rail rolling | |
| CN201439115U (en) | Withdrawal strengthening machine for slab caster | |
| CN215696779U (en) | Energy-saving continuous casting and rolling pendulum shear for thin slab | |
| CN201516443U (en) | Novel heavy and medium plate rolling mill frame roller | |
| CN215696832U (en) | High-efficient copper strips roughing mill | |
| CN2148612Y (en) | Roller | |
| CN217017963U (en) | Plane four-roller rolling mechanism for rotary rolling mill | |
| CN2936478Y (en) | Universal four-roll straightener | |
| CN214683498U (en) | Guide plate locking device of casting-rolling integrated coiling machine | |
| CN219899637U (en) | Roughing mill stand roller replacement tool | |
| CN218925690U (en) | Pipe blank guiding device of cold pilger mill | |
| CN101185945A (en) | Method convenient for mounting roller mill transition guide plate | |
| CN219520033U (en) | Pinch roll convenient to dismouting | |
| CN213763448U (en) | Plate-shaped rolling control guide device of four-high mill | |
| CN217070164U (en) | Six-roller continuous warm rolling equipment for magnesium alloy thin strip | |
| CN218460449U (en) | Rolling mill roll cardboard structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |