CN112659247A - Aviation rubber sealing gasket punching device - Google Patents
Aviation rubber sealing gasket punching device Download PDFInfo
- Publication number
- CN112659247A CN112659247A CN202110010835.5A CN202110010835A CN112659247A CN 112659247 A CN112659247 A CN 112659247A CN 202110010835 A CN202110010835 A CN 202110010835A CN 112659247 A CN112659247 A CN 112659247A
- Authority
- CN
- China
- Prior art keywords
- punching
- spring
- upper edge
- sealing gasket
- rubber sealing
- 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.)
- Pending
Links
- 238000004080 punching Methods 0.000 title claims abstract description 151
- 238000007789 sealing Methods 0.000 title claims description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012856 packing Methods 0.000 description 13
- 239000002585 base Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000035882 stress Effects 0.000 description 5
- 238000010008 shearing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Landscapes
- Gasket Seals (AREA)
Abstract
The invention relates to an aviation rubber gasket punching device, which comprises a base and a punching mechanism, wherein a first vertical plate and a second vertical plate are symmetrically arranged on the left side and the right side of the upper side of the base, a lower supporting plate is fixed at the middle part of the left side of the first vertical plate, a rack is fixed at the upper end of the second vertical plate, an upper clamping plate is arranged right above the lower supporting plate, the punching mechanism is arranged between the first vertical plate and the second vertical plate, the punching mechanism comprises a connecting cylinder, a push rod, a swing rod and a connecting rod, a push plate is fixed at the upper end of the connecting cylinder, the middle part of the upper side of the push plate is fixedly connected with the lower end of the push rod, a punching sleeve is arranged at the lower end of the connecting cylinder, the punching sleeve is in threaded fit connection with the lower end of a fastening sleeve, a rotary table is arranged at the lower side of the punching sleeve, a driving rotary, and the service life of the device is improved.
Description
Technical Field
The invention belongs to the technical field of punching equipment, and particularly relates to an aviation rubber sealing gasket punching device.
Background
The rubber sealing gasket has the performances of oil resistance, acid and alkali resistance, aging resistance and the like, can be directly cut into sealing gaskets in various shapes, and is widely applied to various industries, particularly the aviation industry.
However, the existing punching device is simple in structure and single in function, the swing rod is connected with the rotary table through hinging, the rotary table is driven to move downwards through the swing rod, the punching is performed, the labor is wasted, the work load is large for processing personnel of the rubber sealing gasket, the punching device is used for a long time, the swing rod is seriously abraded by the hinging part of the rotary table under the action of the reaction force of the rubber sealing gasket, the service life of the punching device is prolonged, and therefore the novel rubber sealing gasket punching device is needed.
Disclosure of Invention
In view of the above, the present invention provides an aviation rubber gasket punching apparatus to solve the above problems.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a punching device for an aviation rubber gasket comprises a base and a punching mechanism, wherein a first vertical plate and a second vertical plate are symmetrically arranged on the upper side of the base in the left-right direction, the lower sides of the first vertical plate and the second vertical plate are fixedly connected with the base, a horizontally placed lower supporting plate is fixed in the middle of the left side of the first vertical plate, the upper end of the first vertical plate is bent leftwards, a rack is fixed at the upper end of the second vertical plate, an upper clamping plate is arranged right above the lower supporting plate and parallel to the lower supporting plate, a sliding rod is fixed at the upper side of the lower supporting plate close to the right part and is slidably sleeved on the sliding rod, a pre-tightening knob is connected at the sliding rod part on the upper side of the upper clamping plate in a threaded fit manner, the punching mechanism is arranged between the first vertical plate and the second vertical plate, the punching mechanism comprises a connecting cylinder, a push rod, a swing rod and a, the position of the swing rod close to the lower end is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with a fixed block, the fixed block is fixed on a second vertical plate, the side wall of the connecting cylinder is provided with a transmission box, a gear is arranged in the transmission box, the front side and the rear side of the gear are both provided with rotating shafts, the rotating shafts on the front side and the rear side of the gear are both rotatably sleeved with the transmission box, the gears are meshed with racks in a transmission way, the part of the connecting cylinder close to the lower end is slidably sleeved with a fastening sleeve, the lower end of the connecting cylinder is provided with a punching sleeve, the punching sleeve is in threaded fit connection with the lower end of the fastening sleeve, the lower side of the punching sleeve is provided with a rotary table, the connecting cylinder is rotatably sleeved with an active rotating shaft, the upper end of the, and the shape of the limiting groove is matched with that of the limiting lug, so that the limiting lug can be conveniently inserted into the limiting groove, and the lower end of the auxiliary rotating shaft is fixedly connected with the rotary table.
The concentric circles of carousel downside distribute the first end of punching a hole, the second end of punching a hole, the third end of punching a hole and the fourth end of punching a hole, and first end of punching a hole upper end and carousel downside middle part fixed connection, be provided with first spring in the second end of punching a hole, be provided with the second spring in the third end of punching a hole, be provided with the third spring in the fourth end of punching a hole, the second end of punching a hole, the adjustment disk has all been cup jointed in third end of punching a hole and the fourth end of punching a hole to the rotation, and the adjustment disk and the first spring that corresponds the position, the second spring, the lower extreme fixed connection of third spring, first spring, the second spring, the upper end of third spring all with carousel fixed connection.
The lower plate upside leans on left and the punch holder downside leans on left position all to be provided with the draw-in groove that is used for fixed rubber packing pad, and the draw-in groove of lower plate upside and punch holder downside all suits with rubber packing pad shape, and draw-in groove central point all is provided with the through-hole, and the carousel of being convenient for is through punching a hole to rubber packing pad.
The upper edge of the second punching end, the upper edge of the third punching end and the upper edge of the fourth punching end are circularly distributed with limiting bulges, the lower side of the rotary disc is distributed with limiting grooves, the limiting grooves on the lower side of the rotary disc and the upper edge of the second punching end, the upper edge of the third punching end and the upper edge of the fourth punching end are in one-to-one correspondence, and when the first spring, the second spring and the third spring are in natural length, the distance from the upper edge of the second punching end to the lower side of the rotary disc, the distance from the upper edge of the third punching end to the upper edge of the second punching end and the distance from the upper edge of the fourth punching end to the upper edge of the third punching end are all larger than the thickness of the rubber sealing gasket.
The invention has the beneficial effects that: when punching a rubber sealing gasket, the rubber sealing gasket to be punched is placed in a clamping groove on the upper side of a lower support, the upper clamping plate and the lower support plate are utilized to clamp and fix the rubber sealing gasket, then a swing rod is held by hands, a push rod is pushed to move downwards to drive a punching mechanism to move downwards for punching, in the punching process, a gear of the punching mechanism rotates relative to a gear rack when moving, a driving rotating shaft is driven to rotate through the cooperation of the gear and a worm, the driving rotating shaft drives an auxiliary rotating shaft to rotate, the auxiliary rotating shaft drives a rotating disc to rotate, the rubber sealing gasket is punched in batches by utilizing a first punching end, a second punching end, a third punching end and a fourth punching broken end on the lower side of the rotating disc, the downward moving distance of the rotating disc is controlled by controlling the swinging amplitude of the swing rod, the size of the punching aperture is further controlled, and the corresponding punching end is driven by, meanwhile, the punching end heads at the periphery of the part to be punched are pressed tightly by corresponding springs for protection; compare and exert the shearing stress for rubber packing when traditional punching device only moves down, this device changes into the power that the pendulum rod swing produced and exerts the shearing stress for rubber packing when punching the end and moving downwards, and when the carousel rotated, the frictional force between carousel and the rubber packing, make rubber packing and carousel contact site have the trend of relative pivoted, produce the internal stress, through the combined action of shearing stress and internal stress, make the structure more easily destroyed between the rubber packing internal part son, reduce the work burden of rubber packing processing personnel, and, because the dynamics is littleer when punching a hole, the effort that rubber packing reaction gives punching device is less, the articulated position wearing and tearing of different parts of punching a hole device are less, the life of device has been improved.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a diagram of a punching mechanism of the present invention.
Reference numbers in the figures: 1, a base; 2 a first riser; 201 rack; 3 a second riser; 301 fixing block; 4, a lower supporting plate; 5, an upper clamping plate; 6, a rubber sealing gasket; 7, a sliding rod; 8 pre-tightening the knob; 9 connecting the cylinder; 901 a transmission case; 10, a push plate; 11 a push rod; 12 oscillating bar; 13 connecting rods; 14 fastening the sleeve; 15 punching the sleeve; 16 a turntable; 17 driving rotating shaft; 1701 worm; 1702 a bump; 18 an auxiliary shaft; 1801 a limit disc; 19 a gear wheel; 20 a first punch tip; 21 a second punch tip; 22 a third punch tip; 23 a fourth punch tip; 24 a first spring; 25 a second spring; 26 a third spring.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to the figures 1-2, the aviation rubber gasket punching device comprises a base 1 and a punching mechanism, wherein a first vertical plate 2 and a second vertical plate 3 are symmetrically arranged on the upper side of the base 1 in a left-right mode, the lower sides of the first vertical plate 2 and the second vertical plate 3 are fixedly connected with the base 1, a lower support plate 4 is fixed in the middle of the left side of the first vertical plate 2, the upper end of the first vertical plate 2 is bent leftwards, a rack 201 is fixed at the upper end of the second vertical plate 2, an upper clamping plate 5 is arranged right above the lower support plate 4, a sliding rod 7 is fixed at the upper side of the lower support plate 4 close to the right part, the upper clamping plate 5 is slidably sleeved on the sliding rod 7, a pre-tightening knob 8 is connected at the position of the sliding rod 7 at the upper side of the upper clamping plate 5 in a threaded fit manner, the punching mechanism is arranged between the first vertical plate 2 and the second vertical plate 3, the punching mechanism comprises a connecting cylinder 9, the upper end of the push rod 11 is hinged to the lower end of the swing rod 12, the swing rod 12 is hinged to one end of the connecting rod 13 close to the lower end of the connecting cylinder 9, the fixed block 301 is fixed to the second vertical plate 3, the transmission box 901 is arranged on the side wall of the connecting cylinder 9, the gear 19 is arranged on the front side and the rear side of the gear 19, rotating shafts on the front side and the rear side of the gear 19 are respectively rotatably sleeved with the transmission box 901, the gear 19.
In this embodiment, an active rotating shaft 17 is rotatably sleeved in a connecting cylinder 9, a worm 1701 is fixed at the upper end of the active rotating shaft 17, the worm 1701 is engaged with a gear 19, a limiting bump 1702 is fixed at the lower end of the active rotating shaft 17, an auxiliary rotating shaft 18 is rotatably sleeved in a punching sleeve 15, a limiting disc 1801 is fixed at the upper end of the auxiliary rotating shaft 18, a limiting groove is arranged on the upper side of the limiting disc 1801, the shape of the limiting groove is matched with that of the limiting bump 1702, the limiting bump 1702 is conveniently inserted into the limiting groove, the lower end of the auxiliary rotating shaft 18 is fixedly connected with a rotating disc 16, a first punching end 20, a second punching end 21, a third punching end 22 and a fourth punching end 23 are concentrically distributed on the lower side of the rotating disc 16, the upper end of the first punching end 20 is fixedly connected with the middle part of the lower side of the rotating disc 16, a first spring 24 is arranged in the second punching end 21, a, the adjusting discs are rotatably sleeved in the second punching end 21, the third punching end 22 and the fourth punching end 23, the adjusting discs are fixedly connected with the lower ends of the first spring 24, the second spring 25 and the third spring 26 at corresponding positions, and the upper ends of the first spring 24, the second spring 25 and the third spring 26 are fixedly connected with the turntable 16.
In this embodiment, 4 upsides of bottom plate all are provided with the draw-in groove that is used for fixed rubber packing pad 6 by left and 5 downside of punch holder and lean on left position, and 4 upsides of bottom plate and the draw-in groove of 5 downside of punch holder all suit with 6 shapes of rubber packing pad, and draw-in groove central part all is provided with the through-hole, and the carousel 16 of being convenient for is through punching a hole to rubber packing pad 6.
In this embodiment, the upper edge of the second punching end 21, the upper edge of the third punching end 22 and the upper edge of the fourth punching end 23 are circularly distributed with limiting protrusions, the lower side of the rotary disc 16 is distributed with limiting grooves, the limiting grooves on the lower side of the rotary disc 16 correspond to the upper edge of the second punching end 21 and the limiting protrusions on the upper edge of the third punching end 22 and the upper edge of the fourth punching end 23 one to one, and when the first spring 24, the second spring 25 and the third spring 26 are all in natural length, the distance from the upper edge of the second punching end 21 to the lower side of the rotary disc 16, the distance from the upper edge of the third punching end 22 to the upper edge of the second punching end 21 and the distance from the upper edge of the fourth punching end 23 to the upper edge of the third punching end 22 are all greater than the thickness of the rubber.
The working principle of the invention is as follows: when the invention punches a rubber sealing gasket 6, the rubber sealing gasket 6 to be punched is placed in a clamping groove at the upper side of a lower support 4, then a pre-tightening knob 8 is rotated, an upper clamping plate 5 moves downwards along a sliding rod 7 by utilizing the thread matching effect of the pre-tightening knob 8 and the sliding rod 7 until the upper side of the rubber sealing gasket 6 is contacted with the clamping groove of the upper clamping plate 5, the upper clamping plate 5 and the lower support plate 4 clamp and fix the rubber sealing gasket 6, then a swing rod 12 is held by hands, a push rod 11 is pushed to move downwards to drive a punching mechanism to move downwards, a gear 19 of the punching mechanism rotates when moving relative to a rack 201, the driving rotating shaft 17 is driven to rotate through the matching action of the gear 19 and the worm 1701, the driving rotating shaft 17 drives the auxiliary rotating shaft 18 to rotate, the auxiliary rotating shaft 18 drives the turntable 16 to rotate, and the rubber sealing gasket 6 is punched one by utilizing the first punching end 20, the second punching end 21, the third punching end 22 and the fourth punching end 23.
The swing amplitude of the swing rod 12 is controlled, the downward movement distance of the rotary table 16 is controlled, and the hole diameter of the punched hole is further controlled, when the hole diameter of the punched hole is equal to the diameter of the first punched end 20, the first punched end 20 punches the hole, meanwhile, the second punched end 21 is in contact with the rubber sealing gasket 6, under the action of the elastic force of the first spring 24, the second punched end 21 presses the periphery of the part to be punched of the rubber sealing gasket 6 tightly for protection until the first punched end 20 penetrates through the rubber sealing gasket 6, and the limiting protrusion on the upper edge of the second punched end 21 is not inserted into the limiting groove on the lower side of the rotary table 16;
when the aperture of the hole to be punched is equal to the diameter of the second punching end 21, after the first punching end 20 finishes punching, continuously swinging the swing rod 12 to enable the limiting protrusion at the upper edge of the second punching end 21 to be inserted into the limiting groove at the lower side of the turntable 16, enabling the second punching end 21 and the first punching end 20 to rotate together and move downwards, enabling the third punching end 22 to be in contact with the rubber sealing gasket 6, enabling the third punching end 22 to tightly press the periphery of the part to be punched of the rubber sealing gasket 6 to be protected under the action of the elastic force of a second spring 25 until the second punching end 21 penetrates through the rubber sealing gasket 6 and the limiting protrusion at the upper edge of the third punching end 22 is not inserted into the limiting groove at the lower side of the turntable 16;
similarly, when the aperture of the hole to be punched is equal to the diameter of the third punching end 22, after the second punching end 21 completes punching, the swing rod 12 continues to swing, so that the limiting protrusion at the upper edge of the third punching end 22 is inserted into the limiting groove at the lower side of the turntable 16, the third punching end 22 rotates together with the first punching end 20 and the second punching end 21 and moves downwards, meanwhile, the fourth punching end 23 is in contact with the rubber sealing gasket 6, under the action of the elastic force of the third spring 26, the fourth punching end 23 compresses the periphery of the part to be punched of the rubber sealing gasket 6 for protection, until the third punching end 22 passes through the rubber sealing gasket 6, and the limiting protrusion at the upper edge of the fourth punching end 23 is not inserted into the limiting groove at the lower side of the turntable 16.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides an aviation rubber sealing gasket punching device, includes base and the mechanism of punching a hole, its characterized in that: the punching mechanism is arranged between the first vertical plate and the second vertical plate and comprises a connecting cylinder, a push rod, a swing rod and a connecting rod, wherein the upper end of the connecting cylinder is fixedly connected with the middle part of the upper side of the push rod, the upper end of the push rod is hinged with the lower end of the swing rod, the position of the swing rod close to the lower end of the swing rod is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged with a fixed block, the fixed block is fixed on the second vertical plate, the side wall of the connecting cylinder is provided with a transmission box, a gear is arranged in the transmission box, the front side and the rear side of the gear are both provided with rotating shafts, the rotating shafts on the front side and the rear side of the gear are rotatably sleeved with the transmission case, the gear is in meshed transmission connection with the rack, the part of the connecting cylinder close to the lower end is slidably sleeved with a fastening sleeve, and the lower end of the connecting cylinder is provided with a punching sleeve which is in threaded fit connection with the lower end of the fastening sleeve, the lower side of the punching sleeve is provided with a turntable, the punching sleeve is characterized in that an active rotating shaft is sleeved in the connecting cylinder, a worm is fixed at the upper end of the active rotating shaft and meshed with a gear, a limiting lug is fixed at the lower end of the active rotating shaft, an auxiliary rotating shaft is sleeved in the punching sleeve, a limiting disc is fixed at the upper end of the auxiliary rotating shaft, a limiting groove is formed in the upper side of the limiting disc, the shape of the limiting groove is matched with that of the limiting lug, and the lower end of the auxiliary rotating shaft is fixedly connected with the.
2. The aviation rubber sealing gasket punching device according to claim 1, wherein a first punching end, a second punching end, a third punching end and a fourth punching end are distributed on concentric circles on the lower side of the rotary table, the upper end of the first punching end is fixedly connected with the middle of the lower side of the rotary table, a first spring is arranged in the second punching end, a second spring is arranged in the third punching end, a third spring is arranged in the fourth punching end, adjusting discs are rotatably sleeved in the second punching end, the third punching end and the fourth punching end, the adjusting discs are fixedly connected with the lower ends of the first spring, the second spring and the third spring in corresponding positions, and the upper ends of the first spring, the second spring and the third spring are fixedly connected with the rotary table.
3. The aviation rubber sealing gasket punching device according to claim 1, wherein clamping grooves for fixing the rubber sealing gasket are formed in the positions, close to the left, of the upper side of the lower supporting plate and the positions, close to the left, of the lower side of the upper clamping plate, the clamping grooves in the upper side of the lower supporting plate and the lower side of the upper clamping plate are matched with the rubber sealing gasket in shape, and through holes are formed in the center of the clamping grooves.
4. The aviation rubber sealing gasket punching device according to claim 2, wherein the upper edge of the second punching end, the upper edge of the third punching end and the upper edge of the fourth punching end are circularly distributed with limiting protrusions, the lower side of the rotary disc is distributed with limiting grooves, the limiting grooves on the lower side of the rotary disc correspond to the upper edge of the second punching end, the upper edge of the third punching end and the upper edge of the fourth punching end one to one, and when the first spring, the second spring and the third spring are all in natural length, the distance from the upper edge of the second punching end to the lower side of the rotary disc, the distance from the upper edge of the third punching end to the upper edge of the second punching end and the distance from the upper edge of the fourth punching end to the upper edge of the third punching end are all greater than the thickness of the rubber sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010835.5A CN112659247A (en) | 2021-01-06 | 2021-01-06 | Aviation rubber sealing gasket punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010835.5A CN112659247A (en) | 2021-01-06 | 2021-01-06 | Aviation rubber sealing gasket punching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112659247A true CN112659247A (en) | 2021-04-16 |
Family
ID=75413088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110010835.5A Pending CN112659247A (en) | 2021-01-06 | 2021-01-06 | Aviation rubber sealing gasket punching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112659247A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670286A (en) * | 2022-03-22 | 2022-06-28 | 宁波汉科高分子材料有限公司 | Rubber self-positioning anti-deviation mechanism |
-
2021
- 2021-01-06 CN CN202110010835.5A patent/CN112659247A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670286A (en) * | 2022-03-22 | 2022-06-28 | 宁波汉科高分子材料有限公司 | Rubber self-positioning anti-deviation mechanism |
| CN114670286B (en) * | 2022-03-22 | 2023-09-22 | 宁波汉科高分子材料有限公司 | Rubber self-positioning anti-offset mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112659247A (en) | Aviation rubber sealing gasket punching device | |
| CN114289750A (en) | Hardware part precision machining equipment | |
| CN209232327U (en) | Turnover device is used in a kind of processing of high definition LED display | |
| CN213987973U (en) | Demonstration device for physics experiments | |
| CN109605249A (en) | A kind of convenience is clamped fixed clamping device to different-diameter bearing component | |
| CN201274124Y (en) | Stamping and stretching simulator for teaching | |
| CN202895339U (en) | Lever sheet-punching machine | |
| CN110376505B (en) | A test fixture for production of flexible line way board | |
| CN112444456A (en) | Material mechanics test device | |
| CN112985730B (en) | Multi-dimensional vibration test detection device for electromechanical equipment production | |
| CN214866579U (en) | Make things convenient for fixed gear machining of centre gripping to use punching equipment | |
| CN212110517U (en) | Vibration inspection test bed for agricultural electromechanical equipment | |
| CN211269139U (en) | Rotary drawer for learning table | |
| CN210652378U (en) | A equipment for stamping | |
| CN220603478U (en) | ELISA plate convenient to location | |
| CN208262645U (en) | One kind being convenient for metal plate processing positioning fixture | |
| CN206936054U (en) | A kind of new seat ring calibrating installation | |
| CN214187384U (en) | Automatic shearing manipulator | |
| CN215403854U (en) | Cutting device is used in production of built-in sunshade glass | |
| CN218903314U (en) | Stamping die convenient for replacing punch head for nut production | |
| CN219520155U (en) | Spinning deburring tool | |
| CN110666490B (en) | Torsional spring torsion structure for positioning pin assembly mechanism | |
| CN219817771U (en) | Nameplate stamping device | |
| CN207857750U (en) | It is a kind of to facilitate the prepressing device for placing circle spring | |
| CN212120506U (en) | Woodwork surface spraying device |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210416 |
|
| RJ01 | Rejection of invention patent application after publication |