CN219944389U - Positioning device for hot stamping manufacturing of automobile parts - Google Patents
Positioning device for hot stamping manufacturing of automobile parts Download PDFInfo
- Publication number
- CN219944389U CN219944389U CN202321552318.1U CN202321552318U CN219944389U CN 219944389 U CN219944389 U CN 219944389U CN 202321552318 U CN202321552318 U CN 202321552318U CN 219944389 U CN219944389 U CN 219944389U
- Authority
- CN
- China
- Prior art keywords
- pairs
- drainage
- extrusion
- tooth
- positioning
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 68
- 239000002184 metal Substances 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000007711 solidification Methods 0.000 claims abstract description 13
- 230000008023 solidification Effects 0.000 claims abstract description 13
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model discloses a positioning device for hot stamping manufacturing of automobile parts, which comprises a processing table, a processing bracket and a hydraulic extruder, wherein the processing bracket is arranged on the processing table; the positioning structure comprises a telescopic positioning hydraulic push rod, an extrusion positioning plate, a tooth-mounted telescopic rod, a sleeved plastic block, a tooth-mounted drainage metal rod, a vertical drainage metal rod, an electromagnet drainage block, a metal drainage magnet, a vertical extrusion limiting block, a multi-angle pushing assembly and an expansion extrusion assembly; carry out flexible active extrusion of cross to the panel of different shapes through location structure, simultaneously through the relative flexible extrusion of hydraulic pressure vertical direction, afterwards carry out flexible extrusion to the panel of different rotations through the static solidification liquid, afterwards carry out the circular telegram solidification through the static solidification liquid to reach and extrude fixedly panel.
Description
Technical Field
The utility model relates to the technical field of hot stamping manufacturing, in particular to a positioning device for hot stamping manufacturing of automobile parts.
Background
A large number of hot stamping processes are adopted in the production of automobile stamping parts, the hot stamping processes are suitable for the requirement of mass production of automobile parts, most of covering parts in medium and heavy automobiles, such as automobile parts of an automobile body outer plate, an automobile frame, an automobile carriage and the like are automobile stamping parts, the automobile stamping parts have very high proportion in the automobile parts, the application is wide, the automobile stamping parts are efficient and convenient, a positioning device is needed in the hot stamping process, mainly steel plate type hot stamping materials are fixed and limited, the existing positioning device for the hot stamping manufacturing of the automobile parts is easy to sideslip deviation phenomenon in the process of fixing the steel plates, the quality of stamped parts is reduced, and the automobile part hot stamping part is researched in depth in view of the problem.
Disclosure of Invention
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a positioning device for hot stamping manufacturing of automobile parts, comprising: the device comprises a processing table, a processing bracket and a hydraulic extruder, wherein the processing bracket is arranged on the processing table;
the positioning structure comprises: four pairs of telescopic positioning hydraulic push rods, two pairs of extrusion positioning plates, four pairs of tooth-mounted telescopic rods, a plurality of sleeved plastic blocks, four pairs of tooth-mounted drainage metal rods, a plurality of vertical drainage metal rods, four pairs of electromagnet drainage blocks, a plurality of metal drainage magnets, four pairs of vertical extrusion limiting blocks, a multi-angle pushing assembly and an expansion extrusion assembly;
the four pairs of telescopic positioning hydraulic push rods are arranged on the processing table in a cross manner, two pairs of extrusion positioning plates are arranged on pushing ends of the four pairs of telescopic positioning hydraulic push rods through the multi-angle pushing assembly, a plurality of telescopic lifting grooves are respectively formed in the upper end and the lower end of each of the two pairs of extrusion positioning plates, a plurality of sleeved plastic blocks are respectively movably inserted on the inner sides of the plurality of telescopic lifting grooves, four pairs of tooth-mounted telescopic rods are respectively movably inserted on the inner sides of the plurality of telescopic lifting grooves, a plurality of vertical drainage metal rods are respectively inserted on the plurality of sleeved plastic blocks and the two pairs of extrusion positioning plates, four pairs of tooth-mounted drainage metal rods are respectively inserted on the two pairs of extrusion positioning plates, the four pairs of tooth-mounted drainage metal rods are respectively connected to the plurality of vertical drainage metal rods, a plurality of metal drainage magnets are respectively arranged on the four pairs of tooth-mounted telescopic rods, four pairs of electromagnet drainage blocks are respectively connected to the four pairs of tooth-mounted telescopic blocks, the four pairs of tooth-mounted telescopic blocks are respectively arranged on the four pairs of tooth-mounted telescopic blocks, and the four pairs of extrusion positioning plates are respectively arranged on the four pairs of tooth-mounted compression positioning plates, and the four pairs of tooth-mounted compression positioning plates are respectively in a vertical manner.
It should be noted that, in the above-mentioned, flexible through four pairs of flexible location hydraulic push rods, push the subassembly through four pairs of multi-angle push on the flexible location hydraulic push rod pushing end carries out multi-angle push extrusion to the extrusion locating plate, simultaneously, switch on through four pairs of electro-magnet drainage pieces, the drainage appears to tooth dress drainage metal pole through four pairs of electro-magnet drainage metal pole to a plurality of vertical drainage metal pole, carry out magnetic adsorption through a plurality of vertical drainage metal pole to a plurality of metal drainage magnet, drive the tooth dress telescopic link on it through a plurality of metal drainage magnet, thereby stretch out and draw back in a plurality of flexible elevating slot along the extrusion locating plate inboard respectively with four pairs of tooth dress telescopic link, drive the perpendicular extrusion stopper on it through tooth dress telescopic link, thereby carry out the relative flexible extrusion in vertical direction with four pairs of perpendicular extrusion stoppers, simultaneously, extrude spacingly through the expansion extrusion subassembly to different rotatory panel.
Preferably, the multi-angle pushing component comprises: two pairs of concave angle slide ways, four pairs of convex angle slide blocks, four pairs of concave bearing blocks and four pairs of T-shaped rods;
the two pairs of concave angle slide ways are respectively arranged on the two pairs of extrusion positioning plates, the four pairs of convex angle slide blocks are respectively movably inserted into the inner sides of the two pairs of concave angle slide ways, the four pairs of concave bearing blocks are respectively arranged on the four pairs of convex angle slide blocks, the four pairs of T-shaped rods are respectively arranged on the four pairs of telescopic positioning hydraulic push rods, and the four pairs of T-shaped rods are respectively connected to the four pairs of concave bearing blocks;
it should be noted that, in the above-mentioned, drive the T type pole on the pushing end respectively through four pairs of flexible location hydraulic push rods, drive the concave type bearing block on it through the T type pole, drive the protruding type angle slider on it through concave type bearing block for protruding type angle slider is flexible along the inboard level of concave type angle slide, thereby reach the panel according to the difference, make extrusion locating plate carry out the rotary extrusion along different demands, thereby simultaneously thereby change protruding type angle slider and concave type bearing block in the inboard position of concave type angle slide according to the demand of difference, thereby reach stable propelling movement's effect.
Preferably, the expansion extrusion assembly comprises: a plurality of expansion liquid bags, four pairs of tooth-mounted drainage liquid bags, electrostatic solidification liquid and four pairs of drainage electric poles;
the four pairs of vertical extrusion limiting blocks are respectively provided with a concave expansion groove, a plurality of expansion liquid bags are respectively arranged on the inner sides of the concave expansion grooves, the four pairs of tooth-mounted drainage liquid bags are respectively inserted on the four pairs of tooth-mounted extrusion limiting blocks, the four pairs of tooth-mounted drainage liquid bags are respectively connected to the plurality of expansion liquid bags, the static coagulation liquid is arranged on the inner sides of the four pairs of tooth-mounted drainage liquid bags, and the four pairs of drainage electric poles are respectively inserted on the four pairs of tooth-mounted drainage liquid bags;
in the above, the plates of different shapes are extruded by the expansion liquid bag, and the electrostatic solidification liquid inside the tooth-attached drainage liquid bag and the expansion liquid bag is electrostatically solidified by the drainage rod.
Preferably, the processing bracket is provided with a scanning camera.
Preferably, the processing bracket is provided with a light supplementing lamp.
Preferably, two pairs of the extrusion positioning plates are respectively provided with a resistance regulator.
Advantageous effects
The utility model provides a positioning device for hot stamping manufacturing of automobile parts. The beneficial effects are as follows: this positioner is used in automobile parts hot stamping manufacturing carries out push angle to the panel of different shapes through location structure and carries out the flexible active extrusion of cross, simultaneously through the relative flexible extrusion of hydraulic pressure vertical direction, later carries out flexible extrusion to the panel of different rotations through the static solidification liquid, later carries out the circular telegram solidification through the static solidification liquid to reach and extrude fixedly the panel.
Drawings
Fig. 1 is a schematic front view in cross section of a positioning device for hot stamping manufacturing of automobile parts according to the present utility model.
Fig. 2 is a partial enlarged view of "a" in fig. 1.
In the figure: 1. a processing table; 2. processing a bracket; 3. a telescopic positioning hydraulic push rod; 4. extruding the positioning plate; 5. toothed telescopic rod; 6. sleeving a plastic block; 7. tooth-mounted drainage metal rod; 8. a vertical drainage metal rod; 9. an electromagnet drainage block; 10. a metal drainage magnet; 11. vertically extruding a limiting block; 12. concave angle slideway; 13. a convex angle slide block; 14. a concave bearing block; 15. t-shaped rod.
Detailed Description
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
All electric parts and the adaptive power supply are connected through wires by the person skilled in the art, and a proper controller and encoder should be selected according to actual conditions so as to meet control requirements, specific connection and control sequence, and the electric connection is completed by referring to the following working principles in the working sequence among the electric parts, and the detailed connection means are known in the art, and mainly introduce the working principles and processes as follows, and do not describe the electric control.
Examples
The present utility model will be described in detail with reference to the accompanying drawings, as shown in fig. 1-2, the processing support 2 is mounted on the processing table 1, the hydraulic extruder is mounted on the processing support 2, and a positioning structure is mounted on the processing table 1; the positioning structure comprises: four pairs of telescopic positioning hydraulic push rods 3, two pairs of extrusion positioning plates 4, four pairs of tooth-mounted telescopic rods 5, a plurality of plastic sleeved blocks 6, four pairs of tooth-mounted drainage metal rods 7, a plurality of vertical drainage metal rods 8, four pairs of electromagnet drainage blocks 9, a plurality of metal drainage magnets 10, four pairs of vertical extrusion limiting blocks 11, a multi-angle pushing component and an expansion extrusion component; four pairs of telescopic positioning hydraulic push rods 3 are installed on the processing table 1 in a cross shape, two pairs of extrusion positioning plates 4 are installed on pushing ends of the four pairs of telescopic positioning hydraulic push rods 3 through the multi-angle pushing assembly, a plurality of telescopic lifting grooves are respectively formed in the upper end and the lower end of each of the two pairs of extrusion positioning plates 4, a plurality of sleeved plastic blocks 6 are respectively movably inserted into the inner sides of the telescopic lifting grooves, four pairs of tooth-mounted telescopic rods 5 are respectively movably inserted into the inner sides of the sleeved plastic blocks 6 of the inner sides of the telescopic lifting grooves, a plurality of vertical drainage metal rods 8 are respectively inserted into the sleeved plastic blocks 6 and the two pairs of extrusion positioning plates 4, four pairs of tooth-mounted drainage metal rods 7 are respectively inserted into two pairs of extrusion positioning plates 4, the four pairs of tooth-mounted drainage metal rods 7 are respectively connected to a plurality of vertical drainage metal rods 8, a plurality of metal drainage magnets 10 are respectively arranged on four pairs of tooth-mounted telescopic rods 5, four pairs of electromagnet drainage blocks 9 are respectively connected to four pairs of tooth-mounted drainage metal rods 7, four pairs of tooth-mounted extrusion limiting blocks are respectively arranged on four pairs of tooth-mounted telescopic rods 5, an expansion extrusion assembly is arranged on four pairs of tooth-mounted extrusion limiting blocks and two pairs of extrusion positioning plates 4, and four pairs of vertical extrusion limiting blocks 11 are respectively arranged on four pairs of tooth-mounted telescopic rods 5; the multi-angle pushing component comprises: two pairs of concave angle slide ways 12, four pairs of convex angle slide blocks 13, four pairs of concave bearing blocks 14 and four pairs of T-shaped rods 15; the two pairs of concave angle slide ways 12 are respectively arranged on the two pairs of extrusion positioning plates 4, the four pairs of convex angle slide blocks 13 are respectively movably inserted into the inner sides of the two pairs of concave angle slide ways 12, the four pairs of concave bearing blocks 14 are respectively arranged on the four pairs of convex angle slide blocks 13, the four pairs of T-shaped rods 15 are respectively arranged on the four pairs of telescopic positioning hydraulic push rods 3, and the four pairs of T-shaped rods 15 are respectively connected to the four pairs of concave bearing blocks 14; the expansion and extrusion assembly comprises: a plurality of expansion liquid bags, four pairs of tooth-mounted drainage liquid bags, electrostatic solidification liquid and four pairs of drainage electric poles; the four pairs of vertical extrusion limiting blocks 11 are respectively provided with concave expansion grooves, a plurality of expansion liquid bags are respectively arranged on the inner sides of the concave expansion grooves, the four pairs of tooth-mounted drainage liquid bags are respectively inserted on the four pairs of tooth-mounted extrusion limiting blocks, the four pairs of tooth-mounted drainage liquid bags are respectively connected to the plurality of expansion liquid bags, the static solidification liquid is arranged on the inner sides of the four pairs of tooth-mounted drainage liquid bags, and the four pairs of drainage electric poles are respectively inserted on the four pairs of tooth-mounted drainage liquid bags; a scanning camera is arranged on the processing bracket 2; a light supplementing lamp is arranged on the processing bracket 2; and two pairs of extrusion positioning plates 4 are respectively provided with a resistance regulator.
According to the drawing 1-2, four pairs of telescopic positioning hydraulic push rods 3 are telescopic, the four pairs of telescopic positioning hydraulic push rods 3 are used for pushing and extruding the extrusion positioning plates 4 at multiple angles through a multi-angle pushing assembly on the pushing ends of the four pairs of telescopic positioning hydraulic push rods 3, meanwhile, four pairs of electromagnet drainage blocks 9 are electrified, drainage occurs to tooth-mounted drainage metal rods 7 through the four pairs of electromagnet drainage blocks 9, the tooth-mounted drainage metal rods 7 are used for guiding the tooth-mounted drainage metal rods 8, the plurality of metal drainage magnets 10 are magnetically adsorbed through the plurality of vertical drainage metal rods 8, the tooth-mounted telescopic rods 5 are driven by the plurality of metal drainage magnets 10, so that the four pairs of tooth-mounted telescopic rods 5 are respectively stretched in a plurality of telescopic lifting grooves on the inner sides of the extrusion positioning plates 4, the tooth-mounted telescopic rods 5 are used for driving vertical extrusion limiting blocks 11 on the four pairs of vertical extrusion limiting blocks 11, and meanwhile, the expansion extrusion limiting of plates which rotate in different directions is carried out through the expansion extrusion assembly; the T-shaped rods 15 on the pushing ends are respectively driven by the four pairs of telescopic positioning hydraulic push rods 3, the concave bearing blocks 14 on the T-shaped rods are driven by the T-shaped rods 15, the convex angle sliding blocks 13 on the T-shaped rods are driven by the concave bearing blocks 14, so that the convex angle sliding blocks 13 horizontally stretch along the inner sides of the concave angle sliding ways 12, the aim of rotating and extruding the extrusion positioning plates 4 along different requirements according to different plates is achieved, and meanwhile, the positions of the convex angle sliding blocks 13 and the concave bearing blocks 14 on the inner sides of the concave angle sliding ways 12 are changed according to different requirements, so that the stable pushing effect is achieved; the plates with different shapes are extruded through the expansion liquid bag, and electrostatic solidification is carried out on the tooth-mounted drainage liquid bag and electrostatic solidification liquid at the inner side of the expansion liquid bag through the drainage rod.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A positioning device for hot stamping manufacturing of automobile parts, comprising: the hydraulic extruder is mounted on the processing support, and a positioning structure is mounted on the processing support;
the positioning structure comprises: four pairs of telescopic positioning hydraulic push rods, two pairs of extrusion positioning plates, four pairs of tooth-mounted telescopic rods, a plurality of sleeved plastic blocks, four pairs of tooth-mounted drainage metal rods, a plurality of vertical drainage metal rods, four pairs of electromagnet drainage blocks, a plurality of metal drainage magnets, four pairs of vertical extrusion limiting blocks, a multi-angle pushing assembly and an expansion extrusion assembly;
four pairs of flexible location hydraulic push rods become the cross install in on the processing platform, two pairs of extrusion locating plate pass through the multi-angle push assembly installs in four pairs on the push end of flexible location hydraulic push rods, two pairs on the upper and lower both ends of extrusion locating plate have seted up a plurality of flexible lift groove respectively, a plurality of suit plastic block respectively movable cartridge in a plurality of the inboard of flexible lift groove, four pairs tooth dress telescopic link respectively movable cartridge in a plurality of the inboard of flexible lift groove suit plastic block, a plurality of vertical drainage metal pole respectively cartridge in a plurality of suit plastic block and two pairs on the extrusion locating plate, four pairs tooth dress drainage metal pole respectively cartridge in two pairs on the extrusion locating plate, and four pairs tooth dress drainage metal pole is connected in a plurality of on the vertical drainage metal pole, a plurality of metal drainage magnet respectively installs in four pairs on the tooth dress telescopic link, four pairs electro-magnet drainage block respectively connect in four pairs tooth dress in the inboard of the telescopic link, four pairs of tooth dress in four pairs of extrusion locating plate, four pairs of tooth dress in four pairs on the extrusion locating plate.
2. The positioning device for hot stamping manufacturing of automobile parts according to claim 1, wherein the multi-angle pushing assembly comprises: two pairs of concave angle slide ways, four pairs of convex angle slide blocks, four pairs of concave bearing blocks and four pairs of T-shaped rods;
two pairs of concave angle slide ways are respectively arranged on the two pairs of extrusion positioning plates, four pairs of convex angle slide blocks are respectively movably inserted on the inner sides of the two pairs of concave angle slide ways, four pairs of concave bearing blocks are respectively arranged on the four pairs of convex angle slide blocks, four pairs of T-shaped rods are respectively arranged on the four pairs of telescopic positioning hydraulic push rods, and four pairs of T-shaped rods are respectively connected on the four pairs of concave bearing blocks.
3. The positioning device for hot stamping manufacturing of automobile parts according to claim 2, wherein the expansion extrusion assembly comprises: a plurality of expansion liquid bags, four pairs of tooth-mounted drainage liquid bags, electrostatic solidification liquid and four pairs of drainage electric poles;
the four pairs of vertical extrusion limiting blocks are respectively provided with a concave expansion groove, a plurality of expansion liquid bags are respectively arranged on the inner sides of the concave expansion grooves, the four pairs of tooth-mounted drainage liquid bags are respectively inserted on the four pairs of tooth-mounted extrusion limiting blocks, the four pairs of tooth-mounted drainage liquid bags are respectively connected to the plurality of expansion liquid bags, static coagulation liquid is arranged on the inner sides of the four pairs of tooth-mounted drainage liquid bags, and the four pairs of drainage electric poles are respectively inserted on the four pairs of tooth-mounted drainage liquid bags.
4. The positioning device for hot stamping manufacturing of automobile parts according to claim 3, wherein the processing bracket is provided with a scanning camera.
5. The positioning device for hot stamping manufacturing of automobile parts according to claim 4, wherein the light supplementing lamp is arranged on the processing bracket.
6. The positioning device for hot stamping manufacturing of automobile parts according to claim 5, wherein two pairs of said pressing positioning plates are respectively provided with a resistance regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321552318.1U CN219944389U (en) | 2023-06-19 | 2023-06-19 | Positioning device for hot stamping manufacturing of automobile parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321552318.1U CN219944389U (en) | 2023-06-19 | 2023-06-19 | Positioning device for hot stamping manufacturing of automobile parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219944389U true CN219944389U (en) | 2023-11-03 |
Family
ID=88548002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321552318.1U Active CN219944389U (en) | 2023-06-19 | 2023-06-19 | Positioning device for hot stamping manufacturing of automobile parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219944389U (en) |
-
2023
- 2023-06-19 CN CN202321552318.1U patent/CN219944389U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103317726A (en) | Nozzle transmission mechanism for 3D printer and 3D printer with same | |
| CN203344320U (en) | Jet head transmission mechanism of 3D printer and 3D printer with mechanism | |
| CN219944389U (en) | Positioning device for hot stamping manufacturing of automobile parts | |
| CN214398708U (en) | Automatic positioning mechanism for air conditioner outdoor unit | |
| CN205042943U (en) | Cylinder driven electrothermal tube bending machine | |
| CN110026922B (en) | Motor car wheel pin hole discernment rocking arm mechanical device | |
| CN112222550A (en) | Intelligent processing equipment for advertisement copper characters | |
| CN108482522B (en) | Numerical control combined tyre for all-aluminum vehicle body | |
| CN203863270U (en) | Motor carbon brush copper wire welding positioning device | |
| CN213618118U (en) | Injection mold mechanism capable of realizing multi-direction core pulling | |
| CN213860539U (en) | Spacing guiding mechanism of injection mold | |
| CN204892647U (en) | Air spring seals indent machine | |
| CN220922138U (en) | Clamp for part production | |
| CN211707805U (en) | Left-right pipe bending device of pipe bending machine | |
| CN212147618U (en) | Molding device for pultrusion section bar | |
| CN215100439U (en) | Adjusting mechanism | |
| CN218312732U (en) | Step type part fixing sanding device | |
| CN216911653U (en) | Novel pipe bender aircraft nose | |
| CN221112857U (en) | PVC tubular product production flaring device | |
| CN216705677U (en) | Sliding plate mechanism for mold | |
| CN215508627U (en) | Car roof machine-shaping device | |
| CN219151384U (en) | Sampling clamping jaw device of mechanical arm of bending machine | |
| CN215746091U (en) | Lead head leveling device of automobile motor stator coil | |
| CN216466148U (en) | Automobile sealing strip bending equipment | |
| CN221339447U (en) | Injection molding machine clamp die cylinder structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |