CN109253122B - Novel rubber cutting machine piston seal structure - Google Patents
Novel rubber cutting machine piston seal structure Download PDFInfo
- Publication number
- CN109253122B CN109253122B CN201811275377.2A CN201811275377A CN109253122B CN 109253122 B CN109253122 B CN 109253122B CN 201811275377 A CN201811275377 A CN 201811275377A CN 109253122 B CN109253122 B CN 109253122B
- Authority
- CN
- China
- Prior art keywords
- piston rod
- fixed plate
- piston
- fixing plate
- rod
- 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
- 229920001971 elastomer Polymers 0.000 title claims abstract description 28
- 238000005520 cutting process Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000010074 rubber mixing Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1471—Guiding means other than in the end cap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
Abstract
The invention discloses a novel rubber cutting machine piston sealing structure which comprises a piston, a piston rod, a cylinder, a supporting plate, a lower fixing plate, a buffer device, an upper fixing plate, a fixing ring, a sealing ring and a guide belt, wherein the cylinder is internally provided with the piston rod, one end of the piston rod is fixedly provided with the piston through a bolt, the upper fixing plate is arranged outside the piston rod, the fixing ring is fixedly arranged at the top of the upper fixing plate through the bolt, the sealing rings are respectively arranged at the contact surfaces of the fixing ring and the upper fixing plate with the piston rod, the guide belt is uniformly distributed at the contact surface of the fixing plate with the piston rod, the lower fixing plate is arranged at the bottom of the upper fixing plate, the buffer device is connected between the lower fixing plate and the upper fixing plate, and the buffer device consists of a contact block, a roller, a spring rod, a tooth cylinder, a rotating shaft, a gear, a shell, a connecting rod, a telescopic spring and a sliding rod.
Description
Technical Field
The invention relates to the technical field of pneumatic vertical rubber cutters in rubber mixing work areas, in particular to a novel piston sealing structure of a rubber cutter.
Background
The raw rubber is cut into fixed size and weight before the raw rubber is mixed in the conventional mixing working area, so that the mixing time and efficiency can be controlled conveniently. The equipment used for cutting raw rubber is mainly a pneumatic vertical rubber cutting machine, and is widely applied as a substitute of a manual rubber cutting mode.
The existing pneumatic vertical rubber cutter has the problems of poor practicability and unstable working process, the piston rod part of the existing rubber cutter is provided with five combined sealing rings, the problems of air leakage and the like easily occur in the use process of the rubber cutter, the copper sleeve is worn, the inner wall of the cylinder and the piston rod are strained, and the air leakage simultaneously causes slow action and low efficiency of the rubber cutter; meanwhile, when the piston rod of the existing pneumatic vertical rubber cutter reciprocates, the piston rod is easy to slightly shake due to coaxiality errors of the piston and the inner wall of the cylinder, so that the rubber cutting process is unstable. Therefore, it is necessary to design a novel piston sealing structure of a rubber cutting machine, which has strong practicability and stable working process.
Disclosure of Invention
The invention aims to provide a novel piston sealing structure of a rubber cutting machine, so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a novel bale splitter piston seal structure, includes piston, piston rod, cylinder, backup pad, lower fixed plate, buffer, goes up fixed plate, solid fixed ring, sealing washer and guiding strip, the inside of cylinder is provided with the piston rod, the one end of piston rod is through the bolt fastening, the outside of piston rod is provided with the fixed plate, the top of going up the fixed plate is through the bolt fastening solid fixed ring, gu fixed ring and last fixed plate all are provided with the sealing washer with the contact surface of piston rod, the contact surface evenly distributed of fixed plate and piston rod has the guiding strip, the bottom of going up the fixed plate is provided with down the fixed plate, and is connected with buffer between fixed plate and the last fixed plate down, buffer comprises contact block, gyro wheel, spring bar, tooth section of thick bamboo, pivot, gear, casing, connecting rod, ratch, expansion spring and slide bar, the bottom inner wall of casing is through welded fastening has the slide bar, tooth section of thick bamboo has been cup jointed to the outside of thick bamboo, and is provided with the spring bar between the inner wall of casing through bearing swing joint, outside gear and tooth section of thick bamboo, and the contact surface evenly distributed of piston rod, the contact surface evenly distributed of fixed plate is provided with the guiding strip, the bottom of tooth bar, the connecting rod has the movable connection through the connecting rod, the top has the connecting rod through the tooth bar, the movable connection has the tooth bar through the pivot, the top through the tooth bar, the movable connection.
Further, the number of the sealing rings is two, the model is B3, the number of the guide belts is three, and the model is F3.
Further, one side of the contact block is contacted with the piston rod, and the polyurethane lubricating coating is uniformly coated on one side of the contact block contacted with the piston rod.
Further, the bottom of the roller is in contact with the top of the shell.
Further, one side of the shell is fixed with the supporting plate through bolts.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the sealing effect is enhanced by arranging the sealing ring, the lower fixing plate, the guide belt and other components, so that the practicability of the sealing structure of the pneumatic vertical rubber cutting machine in the rubber mixing work area is improved; by means of the telescopic spring, the sliding rod, the toothed bar and other components, the problem that the rubber cutting process is unstable due to small-amplitude shaking of the piston rod is solved, and the sealing structure of the pneumatic vertical rubber cutting machine in the rubber mixing working area has the characteristic of stable working process.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention,
FIG. 2 is an enlarged schematic view of the area A of FIG. 1 according to the present invention,
FIG. 3 is a schematic view of a buffer device according to the present invention,
In the figure: 1. a piston; 2. a piston rod; 3. a cylinder; 4. a support plate; 5. a lower fixing plate; 6. a buffer device; 7. an upper fixing plate; 8. a fixing ring; 9. a seal ring; 10. a guide belt; 11. a contact block; 12. a roller; 13. a spring rod; 14. a tooth cylinder; 15. a rotating shaft; 16. a gear; 17. a housing; 18. a connecting rod; 19. a toothed bar; 20. a telescopic spring; 21. and a slide bar.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel bale splitter piston seal structure, including piston 1, piston rod 2, cylinder 3, backup pad 4, lower fixed plate 5, buffer 6, upper fixed plate 7, solid fixed ring 8, sealing washer 9 and guiding strip 10, the inside of cylinder 3 is provided with piston rod 2, the one end of piston rod 2 is through the bolt fastening has piston 1, the outside of piston rod 2 is provided with upper fixed plate 7, the top of upper fixed plate 7 is through the bolt fastening has solid fixed ring 8, guy fixed ring 8 and upper fixed plate 7 all are provided with sealing washer 9 with the contact surface of piston rod 2, the contact surface evenly distributed of upper fixed plate 7 and piston rod 2 has guiding strip 10, the bottom of upper fixed plate 7 is provided with lower fixed plate 5, and be connected with buffer 6 between lower fixed plate 5 and the upper fixed plate 7, buffer 6 is by contact block 11, gyro wheel 12, spring bar 13, tooth section of thick bamboo 14, pivot 15, gear 16, casing 17, connecting rod 18, tooth bar 19, telescopic spring 20 and slide bar 21's bottom inner wall has tooth section of thick bamboo 14 through welded fastening, and tooth section of thick bamboo 14 has been cup jointed to the outside of thick bamboo 14, and tooth section of thick bamboo 14 is connected with the inside wall 17 through the inside wall of tooth 17 and 16, the connecting rod 19 is provided with the corresponding to the connecting rod 19 through the pivot 16, the inside of tooth section of tooth 17 is connected with the connecting rod 19 through the piston rod 19, the inside of a movable connection between the top of the casing 17 and the connecting rod 19 through the movable connection with the connecting rod 19, the connecting rod 19 through the 16, the inside the connecting rod 19 through the connecting rod 19 with the top of the connecting rod 19 through the movable connection with the connecting rod 19 with the top of the connecting rod 19; the number of the sealing rings 9 is two, the model number is B3, the number of the guide belts 10 is three, and the model number is F3, so that the sealing effect can be realized better; one side of the contact block 11 is contacted with the piston rod 2, and the polyurethane lubricating coating is uniformly coated on one side of the contact block 11 contacted with the piston rod 2, so that the piston rod 2 and the contact block 11 can slide smoothly and relatively; the bottom of the roller 12 is contacted with the top of the shell 17, so that the roller 12 can conveniently roll on the top of the shell 17; one side of the shell 17 is fixed with the supporting plate 4 through bolts, so that the position of the buffer device 6 is conveniently fixed; when the sealing structure of the pneumatic vertical rubber cutter in the rubber mixing work area is used, as the sealing ring 9 at the position of the piston rod 2 is a B3 lip type sealing piece and is matched with the guide belt 10, the sealing effect is improved, the difficult problems that the piston rod 2 and the inner wall of the cylinder 3 are difficult to repair due to the frequent actions of the rubber cutter and the damage of a copper bush are avoided, and the practicability of the sealing structure of the pneumatic vertical rubber cutter in the rubber mixing work area is improved; when the piston rod 2 of the pneumatic vertical rubber cutter sealing structure in the rubber mixing area moves, the contact block 11 is extruded to drive the toothed bar 19 to move downwards due to shaking of the piston rod 2, the two connecting rods 18 are opened, the telescopic springs 20 are stretched to give inward contraction force to the connecting rods 18, meanwhile, the toothed bar 19 drives the gear 16 to rotate, the toothed cylinder 14 slides upwards outside the sliding rod 21, the spring rod 13 is compressed to give downward thrust to the toothed cylinder 14, so that the toothed bar 19 moves upwards to reduce vibration suffered by the contact block 11, the contact block 11 is contacted with the piston rod 2, and the movement of the piston rod 2 is stable, so that the pneumatic vertical rubber cutter sealing structure in the rubber mixing area has the characteristic of stable working process.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a novel bale splitter piston seal structure, includes piston (1), piston rod (2), cylinder (3), backup pad (4), lower fixed plate (5), buffer (6), goes up fixed plate (7), solid fixed ring (8), sealing washer (9) and guide belt (10), its characterized in that: the inside of cylinder (3) is provided with piston rod (2), the one end of piston rod (2) is provided with piston (1) through the bolt fastening, the outside of piston rod (2) is provided with fixed plate (7), the top of going up fixed plate (7) is provided with solid fixed ring (8) through the bolt fastening, gu fixed ring (8) and go up the contact surface of fixed plate (7) and piston rod (2) all are provided with sealing washer (9), go up the contact surface evenly distributed of fixed plate (7) and piston rod (2) and have guiding strip (10), the bottom of going up fixed plate (7) is provided with down fixed plate (5), and be connected with buffer (6) between fixed plate (5) and the last fixed plate (7) down, buffer (6) are by contact block (11), gyro wheel (12), spring bar (13), tooth section of thick bamboo (14), pivot (15), gear (16), casing (17), connecting rod (18), tooth bar (19), expansion spring (20) and slide bar (21) are constituteed, the bottom inner wall of casing (17) is through being fixed with the welding, tooth section of thick bamboo (14) outside the slide bar (13), the inner wall of the shell (17) is movably connected with a rotating shaft (15) through a bearing, a gear (16) is sleeved outside the rotating shaft (15), the gear (16) is meshed with a tooth cylinder (14), a toothed bar (19) is arranged at the top of the shell (17), the toothed bar (19) penetrates through the shell (17), the toothed bar (19) is meshed with the gear (16), a contact block (11) is fixed at the top of the toothed bar (19) through a bolt, a connecting rod (18) is correspondingly and movably connected to one side of the toothed bar (19) through a hinge, a telescopic spring (20) is connected between the two connecting rods (18), and a roller (12) is movably connected to the bottom of the connecting rod (18) through the bearing; the bottom of the roller (12) is contacted with the top of the shell (17); one side of the shell (17) is fixed with the supporting plate (4) through bolts.
2. The novel piston sealing structure of a rubber cutting machine according to claim 1, wherein: the number of the sealing rings (9) is two, the model number is B3, the number of the guide belts (10) is three, and the model number is F3.
3. The novel piston sealing structure of a rubber cutting machine according to claim 1, wherein: one side of the contact block (11) is in contact with the piston rod (2), and the polyurethane lubrication coating is uniformly coated on one side of the contact block (11) which is in contact with the piston rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275377.2A CN109253122B (en) | 2018-10-30 | 2018-10-30 | Novel rubber cutting machine piston seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275377.2A CN109253122B (en) | 2018-10-30 | 2018-10-30 | Novel rubber cutting machine piston seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109253122A CN109253122A (en) | 2019-01-22 |
| CN109253122B true CN109253122B (en) | 2023-12-15 |
Family
ID=65043068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811275377.2A Active CN109253122B (en) | 2018-10-30 | 2018-10-30 | Novel rubber cutting machine piston seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109253122B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881194A (en) * | 1958-01-18 | 1961-11-01 | Garringtons Ltd | Improvements relating to shock absorbers |
| GB1109088A (en) * | 1965-09-29 | 1968-04-10 | Carter Controls Inc | Cylinder and piston arrangement |
| CN206221564U (en) * | 2016-11-20 | 2017-06-06 | 许秀海 | A kind of construction Machines fluid cushion support frame |
| CN206796424U (en) * | 2017-05-11 | 2017-12-26 | 东莞市宝斯捷模具科技有限公司 | A kind of Simple air cylinder |
| CN207997603U (en) * | 2017-10-12 | 2018-10-23 | 南通锻压设备股份有限公司 | One kind easily finely tuning screw rod buffering device |
| CN209309043U (en) * | 2018-10-30 | 2019-08-27 | 双钱集团（江苏）轮胎有限公司 | A kind of novel rubber cutting machine piston sealing structure |
-
2018
- 2018-10-30 CN CN201811275377.2A patent/CN109253122B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881194A (en) * | 1958-01-18 | 1961-11-01 | Garringtons Ltd | Improvements relating to shock absorbers |
| GB1109088A (en) * | 1965-09-29 | 1968-04-10 | Carter Controls Inc | Cylinder and piston arrangement |
| CN206221564U (en) * | 2016-11-20 | 2017-06-06 | 许秀海 | A kind of construction Machines fluid cushion support frame |
| CN206796424U (en) * | 2017-05-11 | 2017-12-26 | 东莞市宝斯捷模具科技有限公司 | A kind of Simple air cylinder |
| CN207997603U (en) * | 2017-10-12 | 2018-10-23 | 南通锻压设备股份有限公司 | One kind easily finely tuning screw rod buffering device |
| CN209309043U (en) * | 2018-10-30 | 2019-08-27 | 双钱集团（江苏）轮胎有限公司 | A kind of novel rubber cutting machine piston sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109253122A (en) | 2019-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109253122B (en) | Novel rubber cutting machine piston seal structure | |
| CN105835102A (en) | Rubber cutting machine for sealing rings | |
| CN207432276U (en) | A kind of rice cake segment cutter | |
| CN211231310U (en) | Beam bearing seat for pumping unit | |
| CN205614701U (en) | High -efficient telescopic manipulator | |
| CN205614702U (en) | High -precision locate mode manipulator | |
| CN109465692B (en) | Polishing device for building pipe materials | |
| CN209309043U (en) | A kind of novel rubber cutting machine piston sealing structure | |
| CN216519592U (en) | Manufacturing device for O-shaped rubber sealing ring | |
| CN203194176U (en) | Vertical type straw cutting machine | |
| CN214686274U (en) | Cabin section butt joint assembly fixture | |
| CN209338013U (en) | A kind of ocean engineering hangs drive device for vehicle | |
| CN212565252U (en) | Slewing bearing oiling device | |
| CN208610109U (en) | A kind of computer desk | |
| CN219542760U (en) | Bearing ring polishing device for bearing production | |
| CN208394742U (en) | A kind of automatic Cover-rolling machine | |
| CN219755999U (en) | Lubricating device | |
| CN218835899U (en) | Compressor piston machining equipment | |
| CN115247568A (en) | Coal mine gas transfinite ventilation unit for coal mining | |
| CN204690137U (en) | Component surface injury repairing device | |
| CN214555155U (en) | Powder vibrating screen | |
| CN216499941U (en) | Crawler belt pressing device of crawler belt movable type vertical shaft sand making machine | |
| CN213135159U (en) | Drilling equipment is used in machine parts processing | |
| CN219274710U (en) | Driving gear machining and cutting equipment | |
| CN216707534U (en) | Manipulator with angle adjusting function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |