CN117704933A - Device and method for detecting cone angle of conical hole sieve tube - Google Patents
Device and method for detecting cone angle of conical hole sieve tube Download PDFInfo
- Publication number
- CN117704933A CN117704933A CN202410169176.3A CN202410169176A CN117704933A CN 117704933 A CN117704933 A CN 117704933A CN 202410169176 A CN202410169176 A CN 202410169176A CN 117704933 A CN117704933 A CN 117704933A
- Authority
- CN
- China
- Prior art keywords
- conical hole
- sliding block
- cone angle
- dial
- measuring
- 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
- 238000000034 method Methods 0.000 title claims description 18
- 238000001514 detection method Methods 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a cone angle detection device for a conical hole sieve tube, and belongs to the technical field of petroleum tool manufacturing. The invention can directly and conveniently detect the cone angle of the conical hole sieve tube without damaging the sieve tube structure and with low cost. The cone angle detection device of the conical hole sieve tube consists of a detection body, a stand column, a sliding block, a set screw, a lock nut, a driven gear, a bolt, an upper cover, a nut, a dial, a measuring scale, a first bearing, a driving wheel, a handle, a second bearing and a driving shaft. The handle is rocked to drive the driven wheel and the upright post to rotate, and the pointer at the other end of the measuring ruler draws a circle on the dial. Knowing the distance from the pointer end of the measuring tape to the rotation center O point of the measuring tapeLAnd the radius of the circle drawn by the pointerRCalculating the bevel angle of the conical holeβ=arcsin R/LFinally, the cone angle is obtainedɑ=2β。
Description
Technical Field
The invention relates to a device and a method for detecting cone angle of a cone-hole sieve tube, and belongs to the technical field of petroleum tool manufacturing.
Background
The existing mechanical sand control screen for well completion mainly comprises a slotted screen, namely thousands of gaps are cut on a self pipe body to form a filtering device. The slotted screen pipe has simple structure and convenient well completion construction. But the geometric dimension of the slit cut is more than or equal to 0.1mm, which is equal to that of a plurality of macroscopic cracks formed on the pipe body, and because of the abrupt change of the geometric shape of the section of the pipe body, the local stress is far greater than the nominal stress of the pipe body to form stress concentration, and the stress concentration becomes the root cause of fatigue fracture of the pipe body.
If thousands of conical holes are cut on the pipe body to replace gaps, the strength and the service life of the pipe body of the sieve pipe can be improved. In the past, because of the limitation of the processing technology level, no manufacture and application of a conical hole sieve tube, particularly a conical hole sieve tube with a tiny aperture, and no detection device and detection method capable of directly, conveniently and economically detecting the cone angle of the conical hole without damaging the sieve tube structure are seen.
Disclosure of Invention
In order to overcome the defects of the prior method, the invention provides a cone angle detection device of a cone hole sieve tube, which is characterized in that: the cone angle detection device of the conical hole sieve tube consists of a detection body, a stand column, a sliding block, a set screw, a lock nut, a driven wheel, a bolt, an upper cover, a nut, a dial, a measuring ruler, a first bearing, a driving wheel, a handle, a second bearing and a driving shaft, wherein the detection body is a support member, a magnetic element is fixedly arranged at the bottom of the detection body, the cone angle detection device of the conical hole sieve tube can be fixed on a sieve tube body, the upper part of the detection body is of a box structure, the first bearing is embedded on the detection body, the stand column is supported by the first bearing, the inside of the stand column is of a rectangular hollow structure, the sliding block moves in the stand column along the axial direction of the stand column, the set screw is screwed, the sliding block is fixed at a certain height position in the stand column, a round boss shaft is machined in the inside of the sliding block, a round boss shaft is sleeved on the round boss shaft, the measuring ruler rotates around the axis of the round boss shaft, the end of the boss shaft is machined with threads, the locking nut is screwed on the boss shaft, the upper cover is fixed on the upper part of the detection body through the bolt, the central line of the upper cover coincides with the axis of the stand column, the upper cover passes through the central line of the upper cover, the boss is machined, the boss is screwed on the boss shaft, the boss shaft is screwed on the end of the needle, the needle is screwed on the needle is screwed into the needle, the needle is screwed into the needle of the dial, and the needle is screwed into the needle hole on the dial, and the needle is screwed into the needle hole.
Processing a process hole on the detection body, facilitating a screwdriver to pass through the process hole on the detection body, screwing a set screw, and fixing a sliding block on the upright post; and a process hole is processed on the sliding block, so that a screwdriver can conveniently penetrate through the process hole of the sliding block, and the locking nut is screwed to fix the measuring ruler on the boss shaft of the sliding block.
And a narrow slit is formed in one conical end of the upright post in the radial direction, the slit width is larger than the diameter of the measuring ruler, and the narrow slit is used as an avoidance space when the measuring rod of the measuring ruler stretches into the conical hole of the pipe body and swings and adjusts.
The dial is used for uniformly drawing length scales on the diameter, and the dial moves along the vertical direction to a position close to the pointer of the measuring ruler, so that the pointer draws a circle on the dial.
The detection method of the cone angle detection device of the conical hole sieve tube comprises the following steps:
a. when the detection starts, the locking nut on the boss shaft of the sliding block is loosened, the pointer of the measuring ruler points to the zero position of the dial, so that the shape core line of the measuring ruler is overlapped with the axis of the upright post, the locking nut on the boss shaft of the sliding block is locked, then the upright post is adjusted, one conical end of the upright post is inserted into the conical hole of the screen pipe to be detected, so that the axis of the upright post is overlapped with the perpendicular bisector of the conical hole, the magnet device is started, the position of the detection body is determined, the positions of the upright post and the measuring ruler are also determined, and the positioning and fixing of the conical hole screen pipe cone angle detection device are completed;
b. loosening a set screw on a stand column, moving a sliding block up and down, inserting one cylindrical end of a measuring ruler into a conical hole of a sieve tube as a measuring rod, loosening a lock nut on a boss shaft of the sliding block, rotating the measuring ruler, enabling the measuring rod to be attached to the inner wall of one side of the conical hole, then tightening the set screw, and simultaneously tightening the lock nut, so that the measuring ruler does not rotate any more, and the sliding block does not move any more, wherein the rotation center of the measuring ruler is the rotation center O point of the boss shaft of the sliding block, and is also the cone top of the conical hole;
c. the handle is rocked, so that the driving wheel drives the driven wheel and the upright post to rotate, the measuring rod rotates a circle along the inner wall of the conical hole, and the pointer at the other end of the measuring rod draws a circle on the dial;
d. knowing the distance from the pointer end of the measuring tape to the rotation center O point of the measuring tapeLAnd circle drawn by pointerRadius of radiusRCalculating the bevel angle of the conical holeβ=arcsin R/LFinally, the cone angle is obtainedɑ=2β。
Drawings
FIG. 1 is a schematic diagram of the structure of the detecting device of the present invention.
FIG. 2 is a partial enlarged view of a section of the detecting device A-A of the present invention;
FIG. 3 is a view of the detection device B of the present invention;
fig. 4 is a schematic diagram of calculation of cone angle of the screen pipe with conical holes of the detection device of the invention.
In the figure, 1, a detection body, 2, an upright post, 3, a sliding block, 4, a set screw, 5, a locking nut, 6, a driven wheel,
7. bolt, upper cover, nut, dial, measuring scale, bearing, driving wheel and driving wheel
14. Handle, 15, bearing two, 16, driving shaft
Detailed Description
The present invention will be further described with reference to fig. 1 to 4 and the specific embodiments.
As can be seen from fig. 1-3, the cone angle detection device of the conical hole sieve tube comprises a detection body 1, a stand column 2, a sliding block 3, a set screw 4, a lock nut 5, a driven wheel 6, a bolt 7, an upper cover 8, a nut 9, a dial 10, a measuring scale 11, a first bearing 12, a driving wheel 13, a handle 14, a second bearing 15 and a driving shaft 16, wherein the detection body 1 is a supporting piece, a magnetic element is fixedly arranged at the bottom of the detection body 1, the cone angle detection device of the conical hole sieve tube is fixed on a sieve tube body, the upper part of the detection body 1 is in a box structure, the first bearing 12 is inlaid on the detection body 1, the stand column 2 is supported by the first bearing 12, the inside of the stand column 2 is in a rectangular hollow structure, the sliding block 3 moves in the stand column 2 along the axial direction of the stand column 2, the set screw 4 is screwed, the sliding block 3 is fixed at a certain height position in the stand column 2, a round boss shaft is processed inside the sliding block 3, the round hole on the measuring tape 11 is sleeved on a round boss shaft, the measuring tape 11 rotates around the axis of the round boss shaft in a fixed shaft mode, threads are formed at the end portion of the boss shaft, the locking nut 5 is screwed to fix the measuring tape 11 on the boss shaft, the upper cover 8 is fixed on the upper portion of the detection body 1 through the bolt 7, the center line of the upper cover 8 coincides with the axis of the upright post 2, a screw hole is formed in the center line of the upper cover 8, external threads are formed on the boss shaft on the dial 10 and form screw transmission with the screw hole of the upper cover 8, the nut 9 fixes the dial 10 at a proper height, a pointer can conveniently draw a circle on the dial 10, one end of the measuring tape 11 serves as a cylindrical measuring rod to extend into a conical hole of the pipe body, the other end serves as the pointer to point to the dial 10, the driving wheel 13 is arranged on the driving shaft 16 and is supported by the bearing II 15 embedded on the detection body 1, and the handle 14 is arranged on the driving shaft 16.
Processing a process hole on the detection body 1, facilitating a screwdriver to pass through the process hole on the detection body 1, screwing a set screw 4, and fixing a sliding block 3 on the upright post 2; and a process hole is processed on the sliding block 3, so that a screwdriver can conveniently penetrate through the process hole of the sliding block 3, the lock nut 5 is screwed, and the measuring ruler 11 is fixed on a boss shaft of the sliding block 3.
One conical end of the upright post 2 is provided with a narrow slit in the radial direction, the slit width is larger than the diameter of the measuring ruler 11, and the narrow slit is used as an avoidance space when the measuring rod of the measuring ruler 11 stretches into the conical hole of the pipe body for swinging adjustment.
The dial 10 is provided with length scales uniformly on the diameter, the dial 10 moves along the vertical direction, and the pointer is close to the measuring ruler 11, so that the pointer is provided with a circle on the dial 10.
The detection method of the cone angle detection device of the conical hole sieve tube comprises the following steps:
a. when the detection starts, the locking nut 5 on the boss shaft of the sliding block 3 is loosened, the pointer of the measuring ruler 11 points to the zero position of the dial, so that the shape core line of the measuring ruler 11 is overlapped with the axis of the upright post 2, the locking nut 5 on the boss shaft of the sliding block 3 is locked, the upright post 2 is adjusted, one conical end of the upright post 2 is inserted into the conical hole of the screen pipe to be detected, so that the axis of the upright post 2 is overlapped with the perpendicular bisector of the conical hole, the magnet device is started, the position of the detection body 1 is determined, the positions of the upright post 2 and the measuring ruler 11 are also determined, and the positioning and fixing of the conical hole screen pipe cone angle detection device are completed;
b. loosening a set screw 4 on a stand column 2, moving a sliding block 3 up and down, inserting one cylindrical end of a measuring tape 11 into a conical hole of a sieve tube as a measuring rod, loosening a lock nut 5 on a boss shaft of the sliding block 3, rotating the measuring tape 11 to enable the measuring rod to be attached to one inner wall of the conical hole, then tightening the set screw 4, and simultaneously tightening the lock nut 5 to enable the measuring tape 11 not to rotate any more, and enabling the sliding block 3 not to move any more, wherein the rotation center of the measuring tape 11 is the rotation center O point of the boss shaft of the sliding block 3 and is the cone top of the conical hole;
c. the handle 14 is rocked, so that the driving wheel 13 drives the driven wheel 6 and the upright post 2 to rotate, the measuring rod rotates a circle along the inner wall of the conical hole, and the pointer at the other end of the measuring ruler 11 draws a circle on the dial 10;
d. knowing the distance of the pointer end of the measuring tape 11 from the rotation center O point of the measuring tape 11LAnd the radius of the circle drawn by the pointerRCalculating the bevel angle of the conical holeβ=arcsin R/LFinally, the cone angle is obtainedɑ=2β。
Claims (5)
1. The utility model provides a circular conical bore screen pipe cone angle detection device which characterized in that: the cone angle detection device of the conical hole sieve tube consists of a detection body (1), a stand column (2), a sliding block (3), a set screw (4), a lock nut (5), a driven wheel (6), a bolt (7), an upper cover (8), a nut (9), a dial (10), a measuring ruler (11), a first bearing (12), a driving wheel (13), a handle (14), a second bearing (15) and a driving shaft (16), wherein the detection body (1) is a supporting piece, a magnetic element is fixedly arranged at the bottom of the detection body (1), the cone angle detection device of the conical hole sieve tube is fixedly arranged on the sieve tube body, the upper part of the detection body (1) is in a box structure, a first bearing (12) is embedded on the box wall of the detection body (1), the stand column (2) is supported by the first bearing (12), the inside of the stand column (2) is in a rectangular hollow structure, the sliding block (3) moves in the axis direction of the stand column (2) and is screwed with the set screw (4), the sliding block (3) is fixed at a certain height position in the stand column (2), a round boss shaft is machined in the inside the sliding block (3), the measuring ruler (11) is sleeved on the round boss shaft, the round boss is screwed on the round boss shaft (11), the boss is screwed on the round boss shaft is fixedly arranged at the round boss shaft (11), the upper cover (8) is fixed on the upper part of the detection body (1) through the bolt (7), the center line of the upper cover (8) is coincident with the axis of the upright post (2), a screw hole is processed on the center line of the upper cover (8), an external thread is processed on a boss shaft on the dial (10), screw transmission is formed by the boss shaft and the screw hole of the upper cover (8), the dial (10) is fixed at a proper height by the nut (9), a pointer is convenient to draw a circle on the dial (10), one end of the measuring ruler (11) serves as a cylindrical measuring rod to extend into a conical hole of the pipe body, the other end serves as the pointer to the dial (10), the driving wheel (13) is arranged on the driving shaft (16) and is supported by a bearing II (15) embedded on the detection body (1), and the handle (14) is arranged on the driving shaft (16).
2. The device for detecting the cone angle of a conical hole sieve tube according to claim 1, wherein: processing a process hole on the detection body (1), facilitating a screwdriver to pass through the process hole on the detection body (1), screwing a set screw (4), and fixing a sliding block (3) on the upright post (2); and a process hole is processed on the sliding block (3), so that a screwdriver can conveniently penetrate through the process hole of the sliding block (3), and the lock nut (5) is screwed to fix the measuring ruler (11) on the boss shaft of the sliding block (3).
3. The device for detecting the cone angle of a conical hole sieve tube according to claim 1, wherein: a narrow slit is formed in one conical end of the upright post (2) in the radial direction, the slit width is larger than the diameter of the measuring ruler (11), and the narrow slit is used as an avoidance space when a measuring rod of the measuring ruler (11) stretches into a conical hole of the pipe body and swings and adjusts.
4. The device for detecting the cone angle of a conical hole sieve tube according to claim 1, wherein: the dial (10) is used for uniformly drawing length scales on the diameter, the dial (10) moves along the vertical direction, and the pointer is close to the measuring ruler (11), so that the pointer draws a circle on the dial (10).
5. A method for detecting a cone angle of a conical hole sieve tube according to any one of claims 1 to 4, wherein: the method comprises the following steps:
a. when the detection starts, the locking nut (5) on the boss shaft of the sliding block (3) is loosened, the pointer of the measuring ruler (11) points to the zero position of the dial, so that the central line of the measuring ruler (11) is overlapped with the axis of the upright post (2), the locking nut (5) on the boss shaft of the sliding block (3) is locked, the upright post (2) is adjusted again, one conical end of the upright post (2) is inserted into the conical hole of the screen pipe to be detected, so that the axis of the upright post (2) is overlapped with the perpendicular bisector of the conical hole, the magnet device is started, the position of the detecting body (1) is determined, the positions of the upright post (2) and the measuring ruler (11) are also determined, and the positioning and fixing of the conical hole screen pipe cone angle detecting device are completed;
b. loosening a set screw (4) on a stand column (2), moving a sliding block (3) up and down, inserting one cylindrical end of a measuring ruler (11) into a conical hole of a sieve tube as a measuring rod, loosening a locking nut (5) on a boss shaft of the sliding block (3), rotating the measuring ruler (11) to enable the measuring rod to be attached to the inner wall of one side of the conical hole, then tightening the set screw (4), and simultaneously tightening the locking nut (5), so that the measuring ruler (11) does not rotate any more, and the sliding block (3) does not move any more, wherein the rotation center of the measuring ruler (11) is the rotation center O point of the boss shaft of the sliding block (3), and is also the cone top of the conical hole;
c. the handle (14) is rocked, so that the driving wheel (13) drives the driven wheel (6) and the upright post (2) to rotate, the measuring rod rotates a circle along the inner wall of the conical hole, and the pointer at the other end of the measuring rod (11) draws a circle on the dial (10);
d. knowing the distance from the pointer end of the measuring scale (11) to the rotation center O point of the measuring scale (11)LAnd the radius of the circle drawn by the pointerRCalculating the bevel angle of the conical holeβ=arcsin R/LFinally, the cone angle is obtainedɑ=2β。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410169176.3A CN117704933B (en) | 2024-02-06 | 2024-02-06 | Device and method for detecting cone angle of conical hole sieve tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410169176.3A CN117704933B (en) | 2024-02-06 | 2024-02-06 | Device and method for detecting cone angle of conical hole sieve tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117704933A true CN117704933A (en) | 2024-03-15 |
| CN117704933B CN117704933B (en) | 2024-05-03 |
Family
ID=90148372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410169176.3A Active CN117704933B (en) | 2024-02-06 | 2024-02-06 | Device and method for detecting cone angle of conical hole sieve tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117704933B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069249A (en) * | 2010-12-10 | 2011-05-25 | 清华大学 | Taper angle push and deflection mechanism for electrosparking micro reversed taper hole |
| CN102607378A (en) * | 2012-03-29 | 2012-07-25 | 浙江吉利汽车研究院有限公司 | External taper measuring instrument |
| CN202420411U (en) * | 2012-01-17 | 2012-09-05 | 河北省电力研究院 | Measuring device for engineering free plane angle |
| CN105841580A (en) * | 2016-05-11 | 2016-08-10 | 中材科技股份有限公司 | Layer-connected structure fabric thickness and cloth-fell angle measurement apparatus and measurement method |
| CN205879093U (en) * | 2016-08-10 | 2017-01-11 | 中国人民解放军第五七二一工厂 | 74 pipe taper hole concentricity measuring tool |
| CN106679546A (en) * | 2016-12-09 | 2017-05-17 | 西安理工大学 | Lathe tool protractor |
| CN206339358U (en) * | 2016-12-31 | 2017-07-18 | 天津破风者科技有限公司 | Micro-control impact tester for simple supported beam structure |
| CN108317939A (en) * | 2018-01-31 | 2018-07-24 | 中北大学 | A kind of cutter angulation table apparatus of semi-automation |
| CN215447724U (en) * | 2021-07-30 | 2022-01-07 | 陕西长空齿轮有限责任公司 | Speed reducer limiting angle detection device |
| CN117146684A (en) * | 2023-10-31 | 2023-12-01 | 天津中杰科技发展有限公司 | Trapezoidal seam cone angle detection device and detection method |
-
2024
- 2024-02-06 CN CN202410169176.3A patent/CN117704933B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069249A (en) * | 2010-12-10 | 2011-05-25 | 清华大学 | Taper angle push and deflection mechanism for electrosparking micro reversed taper hole |
| CN202420411U (en) * | 2012-01-17 | 2012-09-05 | 河北省电力研究院 | Measuring device for engineering free plane angle |
| CN102607378A (en) * | 2012-03-29 | 2012-07-25 | 浙江吉利汽车研究院有限公司 | External taper measuring instrument |
| CN105841580A (en) * | 2016-05-11 | 2016-08-10 | 中材科技股份有限公司 | Layer-connected structure fabric thickness and cloth-fell angle measurement apparatus and measurement method |
| CN205879093U (en) * | 2016-08-10 | 2017-01-11 | 中国人民解放军第五七二一工厂 | 74 pipe taper hole concentricity measuring tool |
| CN106679546A (en) * | 2016-12-09 | 2017-05-17 | 西安理工大学 | Lathe tool protractor |
| CN206339358U (en) * | 2016-12-31 | 2017-07-18 | 天津破风者科技有限公司 | Micro-control impact tester for simple supported beam structure |
| CN108317939A (en) * | 2018-01-31 | 2018-07-24 | 中北大学 | A kind of cutter angulation table apparatus of semi-automation |
| CN215447724U (en) * | 2021-07-30 | 2022-01-07 | 陕西长空齿轮有限责任公司 | Speed reducer limiting angle detection device |
| CN117146684A (en) * | 2023-10-31 | 2023-12-01 | 天津中杰科技发展有限公司 | Trapezoidal seam cone angle detection device and detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117704933B (en) | 2024-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206132036U (en) | Hole awl measuring device | |
| CN201561737U (en) | Runout inspection instrument | |
| CN117704933B (en) | Device and method for detecting cone angle of conical hole sieve tube | |
| CN106441029A (en) | Cylinder body cylinder bore rabbet depth detection apparatus | |
| CN210198239U (en) | Rim runout detection device | |
| CN215105558U (en) | Pile core positioning device | |
| CN200968845Y (en) | Device for measuring distance between rotary part eccentric hole and excircle | |
| CN106841255A (en) | A kind of adjustable clamping device for axonometry | |
| CN111076639A (en) | Inner circle jumping gauge | |
| CN105529294B (en) | Horizontal adjusting device of chuck and method for horizontally adjusting chuck by using same | |
| CN209278787U (en) | A kind of engineering mapping rotary type tripod | |
| CN106002482B (en) | A kind of measurement method that screw thread head button bits are set and device | |
| CN212721263U (en) | Wheel hub bearing part boss bolt hole symmetry degree inspection device | |
| CN214470890U (en) | Engineering is managed with straightness detection device that hangs down | |
| CN205904780U (en) | Measurement device for first position of detaining of screw thread | |
| CN210755627U (en) | Gear ring internal diameter corrector that beats | |
| CN221223660U (en) | Orifice chamfer gauge | |
| CN114688946B (en) | Detection method for water guide mechanism of hydraulic generator | |
| CN213956214U (en) | Flange detection device of automobile air conditioning system | |
| CN211977912U (en) | Displacement sensor convenient to maintain | |
| CN215199596U (en) | Crystallizer molten steel liquid level lifting calibration device | |
| CN114166084B (en) | Device for measuring pitch diameter runout of taper pair threads | |
| CN220018501U (en) | Deviation measuring device | |
| CN215064243U (en) | Inner diameter vernier scale | |
| CN117889829B (en) | Device and method for detecting verticality of electric pole |
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 |