CN106583535A - Elliptical punching die - Google Patents
Elliptical punching die Download PDFInfo
- Publication number
- CN106583535A CN106583535A CN201611226387.8A CN201611226387A CN106583535A CN 106583535 A CN106583535 A CN 106583535A CN 201611226387 A CN201611226387 A CN 201611226387A CN 106583535 A CN106583535 A CN 106583535A
- Authority
- CN
- China
- Prior art keywords
- punching
- fixedly connected
- hydraulic cylinders
- bearing diagonal
- oval
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
- B21D28/265—Perforating, i.e. punching holes in sheets or flat parts with relative movement of sheet and tools enabling the punching of holes in predetermined locations of the sheet, e.g. holes punching with template
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
An elliptical punching die comprises an upper die and a lower die arranged under the upper die, wherein a frame-shaped supporting rack is at least provided with a left edge beam, a right edge beam and a cross beam connected with the upper parts of the left edge beam and the right edge beam; a vertical guiding groove is formed in the inner side of each of the left edge beam and the right edge beam; a vertical guide rail is arranged on each of two sides of the outside of a punching slide seat; the upper end of the punching slide seat and the cross beam are connected through a vertically-arranged first hydraulic cylinder; the upper center of the punching slide seat is fixedly connected with a punch holder; the lower part of the punch holder is fixedly connected with a punch of which the cross section is elliptical; the piston rod ends of the two second hydraulic cylinders are oppositely arranged; cylinder blocks of the two second hydraulic cylinders are fixedly connected with the front part and the rear part of a base respectively; and a positioning block is connected to the piston rod end of each of the two second hydraulic cylinders. The elliptical punching die can realize processing an elliptical hole through one-time punching, avoids burrs and edge sawteeth, and can be operated by one person to finish punching, the energy consumption and manual cost can be reduced, and the production efficiency can be improved.
Description
Technical field
The present invention relates to mould, and in particular to a kind of oval punching die.
Background technology
Slotted eye on steel plate generally requires to realize one by the continuous punching of multiple circular holes when being processed
The processing of individual slotted eye, so not only working (machining) efficiency is very low, and as continuous punching press can be produced greatly at the edge in hole
The burr and corner sawtooth of amount, makes the quality of slotted eye gone out low, it is impossible to meet customer need, meanwhile, also can be because continuous
Punching make the power consumption of the course of processing higher, and the process needs two workmans operations simultaneously, and cost of labor is higher.
The content of the invention
For the problem that above-mentioned prior art is present, the present invention provides a kind of oval punching die, and the mould passes through one
Secondary punching press can realize the processing of slotted eye, and the burr produced in being avoided that punch process and the situation of corner sawtooth occur,
Complete whole punching shaping works, energy reducing energy consumption reduces cost of labor, while energy by one man operation being needed only by the mould
Improve production and working (machining) efficiency.
To achieve these goals, the present invention provides a kind of oval punching die, including mold and is arranged on mould
The lower mould of tool lower section, the mold include frame shape bracing frame, are arranged on the inboard punching press of frame shape bracing frame with longitudinal sliding
Slide and the longitudinal elevating mechanism for lifting frame shape bracing frame, the frame shape bracing frame at least have left side beam, the right beam and
Connection left side beam and the crossbeam on the right beam top, are provided with vertical gathering sill, the punching press on the inside of left side beam and the right beam
The both sides external of slide is provided with upright guide rail, and two guide rails are slidably arranged in two gathering sills respectively, the punching press
By the first hydraulic cylinder connection being vertically arranged between the upper end of slide and the crossbeam, punching press slide lower central is fixedly connected
There is punch holder, the punch holder bottom is fixedly connected with the drift of cross section ovalize；The lower mould includes base, arranges
The oval punching in portion and two are located at the second hydraulic cylinder of the levels of oval punching front and back respectively in the base, and two
The tailpiece of the piston rod of root second hydraulic cylinder is oppositely disposed, and the cylinder seat of two second hydraulic cylinders is solid with the front and rear of base respectively
Fixed to connect, the tailpiece of the piston rod of two second hydraulic cylinders is respectively connected with a locating piece, and two locating pieces are oppositely disposed, and under which
End face is connected with the upper surface slide of base.
There is lateral displacement in punch process to prevent steel plate to be processed in punching course, meanwhile, also for preventing
After process finishing, steel to be processed are taken away base during rising reset by drift, also including the anti-strip device of positioning, institute
The anti-strip device of positioning is stated by the two top bearing diagonal beams and two bottom bearing diagonals for being symmetrically disposed in the drift left and right sides
Beam is constituted, and the upper end of two top bearing diagonal beams is fixedly connected with the bottom of left side beam and the right beam respectively, and two tops are tiltedly propped up
The bottom of support beam extends to oval punching direction, and the upper end of two bottom bearing diagonal beams is respectively fixedly connected with oblique on two tops
The outside of support beam bottom, the lower end of two bottom bearing diagonal beams is to extending away from oval punching direction and fix in end
It is connected with pressing plate.
Preferably longitudinal elevating mechanism is two the 3rd hydraulic cylinders positioned at frame shape bracing frame both sides as a kind of, two
The cylinder seat of individual 3rd hydraulic cylinder is fixedly supported on ground, and the rod end of two the 3rd hydraulic cylinders supports two fixed beams respectively, and two
The inner end of root fixed beam respectively be fixedly connected on the outside of left side beam and the right beam.
Operation is a kind of preferably, and the quantity of the first hydraulic cylinder is two, and two first hydraulic cylinders are symmetrically arranged.
By the present invention in that oval drift is provided with framework shape bracing frame in mold, make the base in lower mould
The oval punching matched with which is provided with, the processing of ellipse hole can be completed by a punching press of drift,
The phenomenon that multiple dense punching easily occurs burr and corner sawtooth can be eliminated, improve Product Precision, it is to avoid scrap
Produce, and the mould after improving, it is only necessary to one man operation can complete whole punching shaping works, reduce cost of labor, carry
High production and working (machining) efficiency, reduce energy consumption.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the left view of lower mould in the present invention.
In figure：1st, mold, 2, lower mould, 3, frame shape bracing frame, 4, punching press slide, 5, longitudinal elevating mechanism, 6, the left side
Beam, 7, the right beam, 8, crossbeam, 9, gathering sill, 10, guide rail, 11, first hydraulic cylinder, 12, punch holder, 13, drift, 14, base,
15th, oval punching, 16, second hydraulic cylinder, 17, locating piece, the 18, the 3rd hydraulic cylinder, 19, fixed beam, 20, top bearing diagonal
Beam, 21, bottom bearing diagonal beam, 22, pressing plate.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of oval punching die, including mold 1 and under being arranged on below mold 1
Mould 2, the mold 1 include frame shape bracing frame 3, are arranged on 4 and of punching press slide of 3 inboard of frame shape bracing frame with longitudinal sliding
For lifting longitudinal elevating mechanism 5 of frame shape bracing frame 3, the frame shape bracing frame 3 at least has left side beam 6, the right beam 7 and connects
The crossbeam 8 on 7 top of left side beam 6 and the right beam is connect, vertical gathering sill 9 on the inside of left side beam 6 and the right beam 7, is provided with, it is described
The both sides external of punching press slide 4 is provided with upright guide rail 10, and two guide rails 10 are slidably arranged in two gathering sills 9 respectively
In, the first hydraulic cylinder 11 between the upper end of the punching press slide 4 and the crossbeam 8 by being vertically arranged connects, punching press slide 4
Lower central is fixedly connected with punch holder 12, and 12 bottom of the punch holder is fixedly connected with the drift 13 of cross section ovalize；
The lower mould 2 includes that base 14, the oval punching 15 being arranged in the middle part of base 14 and two are located at oval punching respectively
The second hydraulic cylinder 16 of the level of 15 front and backs, the tailpiece of the piston rod of two second hydraulic cylinders 16 are oppositely disposed, two
The cylinder seat of two hydraulic cylinders 16 is fixedly connected with the front and rear of base 14 respectively, and the tailpiece of the piston rod of two second hydraulic cylinders 16 is each
A locating piece 17 is connected with, two locating pieces 17 are oppositely disposed, and its lower surface is connected with the upper surface slide of base 14
Connect.External diameter of the internal diameter of oval punching 15 not less than drift 13.By making to arrange on the framework shape bracing frame 3 in mold 1
There is oval drift 13, make the base 14 in lower mould 2 be provided with the oval punching 15 matched with which, drift can be passed through
13 punching press can complete the processing of ellipse hole, can eliminate multiple dense punching and burr and corner sawtooth easily occur
Phenomenon, improve Product Precision, it is to avoid the generation of scrap, and the mould after improving, it is only necessary to which one man operation can be complete
Into type work is all punching into, cost of labor is reduced, improve production and working (machining) efficiency, reduce energy consumption.
There is lateral displacement in punch process to prevent steel plate to be processed in punching course, meanwhile, also for preventing
After process finishing, steel to be processed are taken away base 14 during rising reset by drift 13, also including the anti-strip dress of positioning
Put, the anti-strip device of the positioning is by the two top bearing diagonal beams 20 and two bottoms for being symmetrically disposed in the drift left and right sides
Bearing diagonal beam 21 is constituted, and the upper end of two top bearing diagonal beams 20 is fixedly connected with the bottom of left side beam 6 and the right beam 7 respectively,
The bottom of two top bearing diagonal beams 20 extends to 15 direction of oval punching, and the upper end of two bottom bearing diagonal beams 21 is solid respectively
Surely it is connected to the outside of two 20 bottoms of top bearing diagonal beam, the lower end of two bottom bearing diagonal beams 21 is to away from oval punching
15 directions extend and have been fixedly connected with pressing plate 22 in end.Pressing plate 22 is horizontally disposed.
As one kind preferably, longitudinal elevating mechanism 5 is two the 3rd hydraulic cylinders positioned at 3 both sides of frame shape bracing frame
18, the cylinder seat of two the 3rd hydraulic cylinders 18 is fixedly supported on ground, and the rod end of two the 3rd hydraulic cylinders 18 supports two respectively
Fixed beam 19, the inner end of two fixed beams 19 are fixedly connected with the outside of left side beam 6 and the right beam 7 respectively.
As one kind preferably, the quantity of the first hydraulic cylinder 11 is two, and two first hydraulic cylinders 11 are symmetrically
Arrange.
During punching, steel plate to be processed is placed on base 14, locating piece 17 is driven by second hydraulic cylinder 16, two are made
Sheet material fore-and-aft direction to be processed is fixed by locating piece 17, then mold is integrally moved down by longitudinal elevating mechanism 5, makes pressure
Plate 22 is compacted on sheet material left and right directions to be processed so that sheet material to be processed all around there is active force in direction, such that it is able to
Avoid the lateral displacement of sheet material in punch process.Stretched out by controlling first hydraulic cylinder 11, punching press slide 4 is promoted to moving down
It is dynamic, and then promote drift 13 to move down and through sheet material to be processed, it is when drift 13 is entered in oval punching 15, oval
Hole machined is finished, and now, pressing plate 22 keeps the state of compacting sheet material, by the recovery of first hydraulic cylinder 11, drive punching 13 from
Sheet material to be processed is opened, and pressing plate 22 can avoid sheet material from base 14 being taken away by drift 13.After drift 13 leaves sheet material, control longitudinal direction
Elevating mechanism 5 drives mold 1 to rise.The sheet material of completion of processing is removed from base 14.
Claims (4)
1. a kind of oval punching die, including mold (1) and the lower mould (2) being arranged on below mold (1), its feature
Be, the mold (1) including frame shape bracing frame (3), be arranged on the inboard punching sliding of frame shape bracing frame (3) with longitudinal sliding
Seat (4) and the longitudinal elevating mechanism (5) for lifting frame shape bracing frame (3), the frame shape bracing frame (3) at least have left side beam
(6), the crossbeam (8) on the right beam (7) and connection left side beam (6) and the right beam (7) top, on the inside of left side beam (6) and the right beam (7)
Vertical gathering sill (9) is provided with, the both sides external of the punching press slide (4) is provided with upright guide rail (10), and two are led
Rail (10) is slidably arranged in two gathering sills (9) respectively, between the upper end of the punching press slide (4) and the crossbeam (8)
By first hydraulic cylinder (11) connection being vertically arranged, punching press slide (4) lower central is fixedly connected with punch holder (12), described
Punch holder (12) bottom is fixedly connected with the drift (13) of cross section ovalize；
The lower mould (2) includes base (14), the oval punching (15) being arranged in the middle part of base (14) and two difference positions
In the second hydraulic cylinder (16) of the level of oval punching (15) front and back, the tailpiece of the piston rod of two second hydraulic cylinders (16)
Arrange oppositely, the cylinder seat of two second hydraulic cylinders (16) is fixedly connected with the front and rear of base (14) respectively, two
The tailpiece of the piston rod of second hydraulic cylinder (16) is respectively connected with a locating piece (17), and two locating pieces (17) are oppositely disposed, and its
Lower surface is connected with the upper surface slide of base (14).
2. a kind of oval punching die according to claim 1, it is characterised in that also including positioning anti-strip device,
It is described to position anti-strip device by two tops bearing diagonal beam (20) and two bottoms for being symmetrically disposed in the drift left and right sides
Bearing diagonal beam (21) is constituted, and the upper end of two tops bearing diagonal beam (20) is solid with the bottom of left side beam (6) and the right beam (7) respectively
Fixed to connect, the bottom of two tops bearing diagonal beam (20) extends to oval punching (15) direction, two bottom bearing diagonal beams
(21) upper end is respectively fixedly connected with the outside in two top bearing diagonal beam (20) bottom, two bottoms bearing diagonal beam (21)
Lower end is to extending away from oval punching (15) direction and be fixedly connected with pressing plate (22) in end.
3. a kind of oval punching die according to claim 1 and 2, it is characterised in that longitudinal elevating mechanism (5)
It is two the 3rd hydraulic cylinders (18) positioned at frame shape bracing frame (3) both sides, the cylinder seat of two the 3rd hydraulic cylinders (18) is fixed and supported
On the ground, the rod end of two the 3rd hydraulic cylinders (18) supports two fixed beams (19), the inner end of two fixed beams (19) respectively
Respectively be fixedly connected on the outside of left side beam (6) and the right beam (7).
4. a kind of oval punching die according to claim 3, it is characterised in that the number of the first hydraulic cylinder (11)
Measure as two, two first hydraulic cylinders (11) are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226387.8A CN106583535B (en) | 2016-12-27 | 2016-12-27 | A kind of ellipse punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226387.8A CN106583535B (en) | 2016-12-27 | 2016-12-27 | A kind of ellipse punching die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106583535A true CN106583535A (en) | 2017-04-26 |
| CN106583535B CN106583535B (en) | 2018-05-11 |
Family
ID=58604478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611226387.8A Active CN106583535B (en) | 2016-12-27 | 2016-12-27 | A kind of ellipse punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106583535B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032366A (en) * | 2018-01-10 | 2018-05-15 | 涿州皓原箔业有限公司 | A kind of cross cutting perforating press and its processing method for being used for aluminium foil and its joint product |
| CN114393095A (en) * | 2021-12-17 | 2022-04-26 | 中建八局第三建设有限公司 | Punching device for processing aluminum template for guaranteed housing |
| CN114833243A (en) * | 2022-03-09 | 2022-08-02 | 晟通科技集团有限公司 | Punching guide mechanism and punching machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06154921A (en) * | 1992-11-13 | 1994-06-03 | Nissan Motor Co Ltd | Press |
| JP2001105046A (en) * | 1999-09-30 | 2001-04-17 | Nbc:Kk | Stripper falling prevention device of punch mechanism |
| CN102847846A (en) * | 2012-08-30 | 2013-01-02 | 上海大俊凯电器科技有限公司 | Stamping device for elliptical holes or approximate elliptical holes |
| CN203737817U (en) * | 2014-03-31 | 2014-07-30 | 四川华玉车辆板簧有限公司 | Rubber sheath assembly for plate spring center hole punching die pressing unloading |
| CN104308000A (en) * | 2014-11-25 | 2015-01-28 | 苏州卡波尔模具科技有限公司 | Support forming die |
| CN204799753U (en) * | 2015-05-31 | 2015-11-25 | 钟海林 | Multipurpose cut -out press |
| CN204974946U (en) * | 2015-07-28 | 2016-01-20 | 徐州工程学院 | Drift cut -out press |
| CN105903808A (en) * | 2016-06-16 | 2016-08-31 | 嘉兴亨泰金属制品有限公司 | Clamping and trepanning die for hardware |
| CN206509392U (en) * | 2016-12-27 | 2017-09-22 | 江苏华电铁塔制造有限公司 | Oval punching die |
-
2016
- 2016-12-27 CN CN201611226387.8A patent/CN106583535B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06154921A (en) * | 1992-11-13 | 1994-06-03 | Nissan Motor Co Ltd | Press |
| JP2001105046A (en) * | 1999-09-30 | 2001-04-17 | Nbc:Kk | Stripper falling prevention device of punch mechanism |
| CN102847846A (en) * | 2012-08-30 | 2013-01-02 | 上海大俊凯电器科技有限公司 | Stamping device for elliptical holes or approximate elliptical holes |
| CN203737817U (en) * | 2014-03-31 | 2014-07-30 | 四川华玉车辆板簧有限公司 | Rubber sheath assembly for plate spring center hole punching die pressing unloading |
| CN104308000A (en) * | 2014-11-25 | 2015-01-28 | 苏州卡波尔模具科技有限公司 | Support forming die |
| CN204799753U (en) * | 2015-05-31 | 2015-11-25 | 钟海林 | Multipurpose cut -out press |
| CN204974946U (en) * | 2015-07-28 | 2016-01-20 | 徐州工程学院 | Drift cut -out press |
| CN105903808A (en) * | 2016-06-16 | 2016-08-31 | 嘉兴亨泰金属制品有限公司 | Clamping and trepanning die for hardware |
| CN206509392U (en) * | 2016-12-27 | 2017-09-22 | 江苏华电铁塔制造有限公司 | Oval punching die |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032366A (en) * | 2018-01-10 | 2018-05-15 | 涿州皓原箔业有限公司 | A kind of cross cutting perforating press and its processing method for being used for aluminium foil and its joint product |
| CN108032366B (en) * | 2018-01-10 | 2023-12-22 | 涿州皓原箔业有限公司 | Die cutting punching machine for aluminum foil and composite product thereof and processing method thereof |
| CN114393095A (en) * | 2021-12-17 | 2022-04-26 | 中建八局第三建设有限公司 | Punching device for processing aluminum template for guaranteed housing |
| CN114833243A (en) * | 2022-03-09 | 2022-08-02 | 晟通科技集团有限公司 | Punching guide mechanism and punching machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106583535B (en) | 2018-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103920819B (en) | Progressive die for stamping parts of automobile | |
| CN101474653B (en) | Machine tool for punching hole on side position of U section steel | |
| CN106583535A (en) | Elliptical punching die | |
| CN110586829A (en) | Multidirectional die forging hydraulic press with novel structure | |
| CN109622845A (en) | A kind of pre- forging enclosed near-net-shape technique of drum-type knuckle and mold | |
| CN206509392U (en) | Oval punching die | |
| CN208099016U (en) | A kind of ship shape plate hydraulic press | |
| CN212019277U (en) | Multidirectional die forging equipment | |
| CN202540772U (en) | Multi-station four-column type oil press | |
| CN201807654U (en) | Full-guide hot punching blank punching device with double-guide-pillar structure | |
| CN206578183U (en) | A kind of side-punching mould for Z-shaped sheet metal component sidepiece punching | |
| CN205798168U (en) | For processing the bending die of Z-shaped support | |
| CN213944550U (en) | Automobile side beam reinforcing plate flanging reshaping and side flanging punching die assembly die | |
| CN102248069A (en) | Incremental forming, processing and compressing device for metal sheet | |
| CN210337070U (en) | Servo press | |
| RU2537339C2 (en) | Press | |
| CN210676555U (en) | Photovoltaic aluminum alloy frame double-layer punch press | |
| CN102389934A (en) | Integrated-framework type hydraulic isothermal forging press | |
| CN102615127A (en) | Cold extrusion forming device for metal tube parts | |
| CN207271918U (en) | A kind of shelves shift fork planar member fine blanking die | |
| CN104015392A (en) | L-shaped multifunctional oil press and work method | |
| CN201346592Y (en) | Lateral punching machine for U-shaped steel | |
| CN103433352A (en) | Guiding type blanking die | |
| CN202741562U (en) | Frame type die of flat plate numerical control punching machine | |
| CN110640012A (en) | Photovoltaic aluminum alloy frame double-layer punch press |
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 |