CN220946326U - Demolding equipment for compression molding of PFA (PFA) workpiece - Google Patents
Demolding equipment for compression molding of PFA (PFA) workpiece Download PDFInfo
- Publication number
- CN220946326U CN220946326U CN202322257071.7U CN202322257071U CN220946326U CN 220946326 U CN220946326 U CN 220946326U CN 202322257071 U CN202322257071 U CN 202322257071U CN 220946326 U CN220946326 U CN 220946326U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- plate
- pfa
- side wall
- 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
- 238000000748 compression moulding Methods 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 39
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
Landscapes
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The utility model belongs to the technical field of PFA workpiece production, in particular to demolding equipment for compression molding of a PFA workpiece, which comprises a bottom plate, wherein a pair of supporting plates are fixedly connected to the top wall of the bottom plate; a pair of top walls of the supporting plates are fixedly connected with a mold frame; a transverse plate is fixedly connected between the side walls of the pair of support plates and is positioned right below the die frame; a circular through groove is formed in the center of the top wall of the transverse plate; the top wall of the bottom plate is fixedly connected with a first hydraulic telescopic rod, and the top end of the first hydraulic telescopic rod penetrates through the circular through groove; the top end of the hydraulic telescopic rod is fixedly connected with a mounting plate; support rods are fixedly connected to two sides of the top wall of the mounting plate; the utility model provides demoulding equipment for compression molding of a PFA workpiece, which aims to solve the problems that in the existing demoulding mode, a finished product is ejected out mainly through a plurality of ejector pins arranged in a mould, but the contact area between the end parts of the ejector pins and the bottom of the finished product is small due to small contact area of the ejector pins and the bottom of the finished product, and the surface of the finished product is easy to generate marks and even damage the finished product in the ejection process.
Description
Technical Field
The utility model belongs to the technical field of PFA workpiece production, and particularly relates to demolding equipment for compression molding of a PFA workpiece.
Background
PFA, also called soluble polytetrafluoroethylene (soluble PTFE), has properties similar to those of PTFE and FEP, and is produced to compensate for the difficulty in processing PTFE, and is generally processed mainly by: injection molding, extrusion and compression molding.
In the prior art, a PFA workpiece is required to be poured into a die cavity in the production process, the PFA workpiece is manufactured through hot pressing, a finished product is required to be taken out of the die after the hot pressing forming is finished, the existing demoulding mode is mainly that the finished product is ejected out through a plurality of ejector pins arranged in the die, but the contact area between the end parts of the ejector pins and the bottom of the finished product is small due to the fact that the contact area between the end parts of the ejector pins and the bottom of the finished product is small, the surface of the finished product is easy to generate marks in the ejection process, and even the finished product is damaged.
Disclosure of utility model
In order to make up the defects of the prior art, the utility model solves the problems that the existing demoulding mode mainly ejects a finished product through a plurality of ejector pins arranged in a mould, but the contact area between the end parts of the ejector pins and the bottom of the finished product is smaller, and the surface of the finished product is easy to generate marks and even damage the finished product in the ejection process.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to demoulding equipment for compression molding of a PFA (PFA) workpiece, which comprises a bottom plate, wherein a pair of support plates are fixedly connected to the top wall of the bottom plate; a pair of top walls of the supporting plates are fixedly connected with a mold frame; a transverse plate is fixedly connected between the side walls of the pair of support plates and is positioned right below the die frame; a circular through groove is formed in the center of the top wall of the transverse plate; the top wall of the bottom plate is fixedly connected with a first hydraulic telescopic rod, and the top end of the first hydraulic telescopic rod penetrates through the circular through groove; the top end of the hydraulic telescopic rod is fixedly connected with a mounting plate; support rods are fixedly connected to two sides of the top wall of the mounting plate; the inner side wall of the die frame is connected with a lower die plate in a sliding manner, and the bottom wall of the lower die plate is fixedly connected with the top of the supporting rod; the two sides of the top wall of the bottom plate are fixedly connected with first guide rods; a top plate is fixedly connected to the top walls of the pair of first guide rods; the bottom wall of the top plate is fixedly connected with a second hydraulic telescopic rod; a lower pressing plate is fixedly connected to the bottom of the second hydraulic telescopic rod; the bottom wall of the lower pressing plate is fixedly connected with an upper template.
Preferably, the top wall of the bottom plate is fixedly connected with a side plate; the two sides of the side wall of the side plate are fixedly connected with second guide rods, and one ends of the second guide rods are fixedly connected with the side wall of the mold frame; the outer circular walls of the pair of second guide rods are connected with sliding plates in a sliding manner; the top wall of the sliding plate is fixedly connected with a first inclined block; the side wall of the first inclined block is fixedly connected with a push plate through a connecting block; springs are fixedly connected to two sides of the side wall of the side plate, the other ends of the springs are fixedly connected with the side wall of the sliding plate, and the springs are sleeved on the second guide rod; the side wall of the lower pressing plate is fixedly connected with a first L-shaped rod, and the position of the first L-shaped rod corresponds to the first inclined block; the side wall of the mounting plate is fixedly connected with a second L-shaped rod; the end part of the second L-shaped rod is fixedly connected with a second inclined block, and the side wall of the second inclined block is contacted with the top of the sliding plate.
Preferably, the outer circular walls of the pair of first guide rods are both connected with sliding blocks in a sliding manner, and one side of each sliding block is fixedly connected with the side wall of the lower pressing plate.
Preferably, the bottom wall of the first L-shaped rod is provided with a mounting groove; and the two side walls of the mounting groove are rotatably connected with rollers.
Preferably, the side wall of the push plate is fixedly connected with a rubber block.
Preferably, a protective film sleeve is paved on the inner side wall of the mold frame.
The beneficial effects of the utility model are as follows:
1. According to the demolding equipment for compression molding of the PFA workpiece, the PFA raw material is poured into the mold frame, the lower pressing plate is driven to move downwards through the second hydraulic telescopic rod, the upper template moves downwards through the downward movement of the lower pressing plate, and the PFA raw material is compression molded through the cooperation of the lower template; the lower pressing plate is driven to move up and down through the second hydraulic telescopic rod, so that the upper die plate is separated from the lower die plate, the lower die plate is driven to move upwards through the first hydraulic telescopic rod, and therefore a workpiece is ejected out of the die frame.
2. According to the demolding equipment for compression molding of the PFA workpiece, after the PFA raw material is pressed and molded through the downward movement of the upper template and the cooperation of the lower template and the mold frame, the lower pressing plate is enabled to move upwards through controlling the second hydraulic stretching rod, the bottom of the first L-shaped block is enabled to move upwards through the upward movement of the lower pressing plate, the limit on the push plate is relieved, the push plate is enabled to move forwards through the elastic force of the spring until the top of the sliding block abuts against the inclined surface of the second inclined block, the mounting plate is driven to move upwards through the first hydraulic stretching rod, the second inclined block is driven to move upwards through the second L-shaped rod, so that the limit on the sliding plate is relieved, the sliding plate is enabled to move forwards continuously through the elastic force of the spring, the workpiece is automatically ejected out of the lower template, and the practicability is further improved.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a second perspective view of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a partial schematic view of the present utility model;
fig. 5 is a partial structural view in the present utility model.
In the figure: 1. a bottom plate; 2. a support plate; 3. a mold frame; 4. a cross plate; 5. a circular through groove; 6. a first hydraulic telescoping rod; 7. a mounting plate; 8. a support rod; 9. a lower template; 10. a first guide bar; 11. a top plate; 12. a second hydraulic telescoping rod; 13. a lower pressing plate; 14. an upper template; 15. a side plate; 16. a second guide bar; 17. a slide plate; 18. a first sloping block; 19. a push plate; 20. a spring; 21. a first L-shaped rod; 22. a second L-shaped rod; 23. a second sloping block; 24. a slide block; 25. a mounting groove; 26. a roller; 27. a rubber block; 28. and (5) protecting the film sleeve.
Description of the embodiments
The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 5, the demolding device for compression molding of a PFA workpiece comprises a bottom plate 1, wherein a pair of support plates 2 are fixedly connected to the top wall of the bottom plate 1; a die frame 3 is fixedly connected to the top wall of the pair of support plates 2; a transverse plate 4 is fixedly connected between the side walls of the pair of support plates 2, and the transverse plate 4 is positioned right below the die frame 3; a circular through groove 5 is formed in the center of the top wall of the transverse plate 4; the top wall of the bottom plate 1 is fixedly connected with a first hydraulic telescopic rod 6, and the top end of the first hydraulic telescopic rod 6 penetrates through the circular through groove 5; the top end of the hydraulic telescopic rod is fixedly connected with a mounting plate 7; support rods 8 are fixedly connected to two sides of the top wall of the mounting plate 7; the inner side wall of the die frame 3 is connected with a lower die plate 9 in a sliding manner, and the bottom wall of the lower die plate 9 is fixedly connected with the top of the supporting rod 8; the two sides of the top wall of the bottom plate 1 are fixedly connected with a first guide rod 10; a top plate 11 is fixedly connected to the top walls of the pair of first guide rods 10; the bottom wall of the top plate 11 is fixedly connected with a second hydraulic telescopic rod 12; the bottom of the second hydraulic telescopic rod 12 is fixedly connected with a lower pressing plate 13; the bottom wall of the lower pressing plate 13 is fixedly connected with an upper template 14; during operation, the PFA raw material is poured into the die frame 3, the lower pressing plate 13 is driven to move downwards through the second hydraulic telescopic rod 12, the lower pressing plate 13 moves downwards to enable the upper die plate 14 to move downwards, and the PFA raw material is pressed and formed through cooperation with the lower die plate 9; the lower pressing plate 13 is driven to move up and down through the second hydraulic telescopic rod 12, the upper template 14 is separated from the lower template 9, the lower template 9 is driven to move upwards through the first hydraulic telescopic rod 6, and therefore a workpiece is ejected out of the die frame 3.
A side plate 15 is fixedly connected to the top wall of the bottom plate 1; the two sides of the side wall of the side plate 15 are fixedly connected with a second guide rod 16, and one end of the second guide rod 16 is fixedly connected with the side wall of the mold frame 3; the outer circular walls of the pair of second guide rods 16 are connected with sliding plates 17 in a sliding manner; the top wall of the sliding plate 17 is fixedly connected with a first inclined block 18; the side wall of the first inclined block 18 is fixedly connected with a push plate 19 through a connecting block; springs 20 are fixedly connected to two sides of the side wall of the side plate 15, the other ends of the springs 20 are fixedly connected with the side wall of the sliding plate 17, and the springs 20 are sleeved on the second guide rod 16; the side wall of the lower pressing plate 13 is fixedly connected with a first L-shaped rod 21, and the position of the first L-shaped rod 21 corresponds to the first inclined block 18; the side wall of the mounting plate 7 is fixedly connected with a second L-shaped rod 22; the end part of the second L-shaped rod 22 is fixedly connected with a second inclined block 23, and the side wall of the second inclined block 23 is contacted with the top of the sliding plate 17; during operation, after the PFA raw material is pressed and molded through the upper template 14 and the lower template 9 and the template frame 3, the lower pressing plate 13 moves upwards through controlling the second hydraulic stretching rod, the lower pressing plate 13 moves upwards to enable the bottom of the first L-shaped block to move upwards, limiting of the push plate 19 is relieved, the push plate 19 moves forwards through the elastic force of the spring 20 until the top of the sliding block 24 abuts against the inclined surface of the second inclined block 23, the mounting plate 7 is driven to move upwards through the first hydraulic stretching rod 6, the mounting plate 7 moves upwards through the second L-shaped rod 22 to drive the second inclined block 23 to move upwards, limiting of the sliding plate 17 is relieved, the sliding plate 17 continues to move forwards through the elastic force of the spring 20, and therefore workpieces are automatically ejected out of the lower template 9, and practicability is further improved.
The outer circular walls of the pair of first guide rods 10 are both in sliding connection with a sliding block 24, and one side of the sliding block 24 is fixedly connected with the side wall of the lower pressing plate 13; when the pressing device works, the lower pressing plate 13 is driven to move downwards through the second hydraulic telescopic rod 12, and the sliding blocks 24 on two sides of the lower pressing plate 13 move downwards along the first guide rod 10, so that the lower pressing plate 13 moves downwards more stably, and the pressing effect is better.
The bottom wall of the first L-shaped rod 21 is provided with a mounting groove 25; the two side walls of the mounting groove 25 are rotatably connected with rollers 26; during operation, the rollers 26 are rotatably connected to the two side walls of the mounting groove 25, so that the situation that the bottom end of the first L-shaped rod 21 is directly contacted with the inclined surface of the first inclined block 18 to cause locking is avoided.
The side wall of the push plate 19 is fixedly connected with a rubber block 27; during operation, the rubber block 27 is fixedly connected to the side wall of the plate, so that the condition that the side wall of the push plate 19 is directly contacted with the working side wall to damage a workpiece is avoided.
A protective film sleeve 28 is paved on the inner side wall of the die frame 3; during operation, through the protection film cover 28 laid on the inner side wall of the die frame 3, the situation that the PFA raw material is adhered to the surface of the side wall of the die frame 3 and is difficult to eject during pressing is avoided.
The working principle is that the PFA raw material is poured into the die frame 3, the lower pressing plate 13 is driven to move downwards through the second hydraulic telescopic rod 12, the lower pressing plate 13 moves downwards to enable the upper die plate 14 to move downwards, and the PFA raw material is pressed and molded through cooperation with the lower die plate 9; the lower pressing plate 13 is driven to move up and down through the second hydraulic telescopic rod 12, so that the upper die plate 14 is separated from the lower die plate 9, and the lower die plate 9 is driven to move upwards through the first hydraulic telescopic rod 6, so that a workpiece is ejected out of the die frame 3; after the PFA raw material is pressed and molded through the cooperation of the upper template 14, the lower template 9 and the template frame 3, the lower pressing plate 13 moves upwards through controlling the second hydraulic stretching rod, the lower pressing plate 13 moves upwards to enable the bottom of the first L-shaped block to move upwards, the limit on the push plate 19 is relieved, the push plate 19 moves forwards through the elastic force of the spring 20 until the top of the sliding block 24 abuts against the inclined surface of the second inclined block 23, the mounting plate 7 is driven to move upwards through the first hydraulic stretching rod 6, the mounting plate 7 moves upwards through the second L-shaped rod 22 to drive the second inclined block 23 to move upwards, the limit on the sliding plate 17 is relieved, the sliding plate 17 continues to move forwards through the elastic force of the spring 20, and therefore workpieces are automatically ejected out of the lower template 9, and the practicability is further improved; when the lower pressing plate 13 is driven to move downwards by the second hydraulic telescopic rod 12, the sliding blocks 24 on two sides of the lower pressing plate 13 move downwards along the first guide rod 10, so that the lower pressing plate 13 moves downwards more stably, and the pressing effect is better; the rollers 26 are rotatably connected to the two side walls of the mounting groove 25, so that the situation that the bottom end of the first L-shaped rod 21 is directly contacted with the inclined surface of the first inclined block 18 to cause locking is avoided; the rubber block 27 is fixedly connected to the side wall of the plate, so that the condition that the side wall of the push plate 19 is directly contacted with the working side wall to damage a workpiece is avoided; the protective film sleeve 28 is paved on the inner side wall of the mold frame 3, so that the situation that the PFA raw material is adhered to the surface of the side wall of the mold frame 3 to cause ejection difficulty during pressing is avoided.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The demolding equipment for compression molding of the PFA workpiece is characterized by comprising a bottom plate (1), wherein a pair of support plates (2) are fixedly connected to the top wall of the bottom plate (1); a die frame (3) is fixedly connected to the top wall of the pair of support plates (2); a transverse plate (4) is fixedly connected between the side walls of the pair of support plates (2), and the transverse plate (4) is positioned right below the die frame (3); a circular through groove (5) is formed in the center of the top wall of the transverse plate (4); the top wall of the bottom plate (1) is fixedly connected with a first hydraulic telescopic rod (6), and the top end of the first hydraulic telescopic rod (6) penetrates through the circular through groove (5); the top end of the hydraulic telescopic rod is fixedly connected with a mounting plate (7); support rods (8) are fixedly connected to two sides of the top wall of the mounting plate (7); the inner side wall of the die frame (3) is connected with a lower die plate (9) in a sliding manner, and the bottom wall of the lower die plate (9) is fixedly connected with the top of the supporting rod (8); the two sides of the top wall of the bottom plate (1) are fixedly connected with first guide rods (10); a top plate (11) is fixedly connected to the top walls of the pair of first guide rods (10); the bottom wall of the top plate (11) is fixedly connected with a second hydraulic telescopic rod (12); a lower pressing plate (13) is fixedly connected to the bottom of the second hydraulic telescopic rod (12); an upper template (14) is fixedly connected to the bottom wall of the lower pressing plate (13).
2. The demolding device for compression molding of PFA workpieces according to claim 1, wherein the top wall of the bottom plate (1) is fixedly connected with a side plate (15); the two sides of the side wall of the side plate (15) are fixedly connected with second guide rods (16), and one end of each second guide rod (16) is fixedly connected with the side wall of the mold frame (3); the outer circular walls of the pair of second guide rods (16) are connected with sliding plates (17) in a sliding manner; the top wall of the sliding plate (17) is fixedly connected with a first inclined block (18); the side wall of the first inclined block (18) is fixedly connected with a push plate (19) through a connecting block; springs (20) are fixedly connected to two sides of the side wall of the side plate (15), the other ends of the springs (20) are fixedly connected with the side wall of the sliding plate (17), and the springs (20) are sleeved on the second guide rod (16); the side wall of the lower pressing plate (13) is fixedly connected with a first L-shaped rod (21), and the position of the first L-shaped rod (21) corresponds to the first inclined block (18); the side wall of the mounting plate (7) is fixedly connected with a second L-shaped rod (22); the end part of the second L-shaped rod (22) is fixedly connected with a second inclined block (23), and the side wall of the second inclined block (23) is contacted with the top of the sliding plate (17).
3. The demolding device for compression molding of PFA workpieces according to claim 2, wherein the outer circular walls of the pair of first guide rods (10) are both connected with sliding blocks (24) in a sliding manner, and one side of each sliding block (24) is fixedly connected with the side wall of the lower pressing plate (13).
4. A demolding device for compression molding PFA workpieces according to claim 3, wherein the bottom wall of the first L-shaped rod (21) is provided with a mounting groove (25); and rollers (26) are rotatably connected to two side walls of the mounting groove (25).
5. The demolding device for compression molding of PFA workpieces according to claim 4, wherein rubber blocks (27) are fixedly connected to the side walls of the pushing plates (19).
6. The demolding device for compression molding of PFA workpieces according to claim 5, wherein a protective film sleeve (28) is paved on the inner side wall of the mold frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322257071.7U CN220946326U (en) | 2023-08-22 | 2023-08-22 | Demolding equipment for compression molding of PFA (PFA) workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322257071.7U CN220946326U (en) | 2023-08-22 | 2023-08-22 | Demolding equipment for compression molding of PFA (PFA) workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220946326U true CN220946326U (en) | 2024-05-14 |
Family
ID=91008428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322257071.7U Active CN220946326U (en) | 2023-08-22 | 2023-08-22 | Demolding equipment for compression molding of PFA (PFA) workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220946326U (en) |
-
2023
- 2023-08-22 CN CN202322257071.7U patent/CN220946326U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208827024U (en) | A kind of liftout attachment for vertical injection mould | |
| CN113787667A (en) | Adopt rubber production of vapour-pressure type drawing of patterns to use device of moulding plastics | |
| CN208359320U (en) | A kind of injection mold of adjustable pattern size | |
| CN220946326U (en) | Demolding equipment for compression molding of PFA (PFA) workpiece | |
| CN207206925U (en) | Injection mold | |
| CN215095410U (en) | Side plate back-off clamping and demolding mechanism of injection mold of frying pan | |
| CN212795716U (en) | Oblique ejection die | |
| CN212097275U (en) | Plastic mold capable of automatically ejecting materials | |
| CN204622507U (en) | Injection mould slanted structure | |
| CN209552367U (en) | A kind of automobile injection mold demoulding mechanism | |
| CN211031091U (en) | Injection mold capable of automatically demolding concave parts of automobile | |
| CN210453477U (en) | Multifunctional standing mechanism of four-column type rubber injection molding machine | |
| CN211221978U (en) | PE wood-plastic mold capable of quickly replacing quick-wear parts | |
| CN210453610U (en) | Demoulding device and mould equipment | |
| CN210080694U (en) | Metal product injection mold capable of achieving rapid demolding | |
| CN204340129U (en) | Mobile phone protecting case injection molding deviates from device | |
| CN108015994B (en) | Automobile front bumper injection mold based on cavity pick-up | |
| CN110861253A (en) | Die drawing injection molding and pressing mechanism | |
| CN219820508U (en) | Injection molding machine for plastic product processing | |
| CN218660309U (en) | Tray forming die with climbing mechanism | |
| CN220784748U (en) | Multi-station molding injection mold for automobile parts | |
| CN220219546U (en) | Quick demoulding device of vertical injection molding machine | |
| CN212241985U (en) | High polymer material's quick injection molding device | |
| CN211334422U (en) | Baffle box of notebook computer accessory of moulding plastics | |
| CN217573871U (en) | Injection mold ejection mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |