CN112922546B - Power soft slurry umbrella - Google Patents
Power soft slurry umbrella Download PDFInfo
- Publication number
- CN112922546B CN112922546B CN202110507985.7A CN202110507985A CN112922546B CN 112922546 B CN112922546 B CN 112922546B CN 202110507985 A CN202110507985 A CN 202110507985A CN 112922546 B CN112922546 B CN 112922546B
- Authority
- CN
- China
- Prior art keywords
- buckle
- umbrella
- flange
- wall
- arm
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Tents Or Canopies (AREA)
Abstract
A kind of power software slurry umbrella, involve the oil field and bore the technical field of the repairing machine, including the quill, the top and bottom of the said quill have first flange and second flange separately, connect with the umbrella cloth on the said first flange, there are back thick liquid outlet pipes on the said quill, the said back thick liquid outlet pipe is linked with quill, also include modulating mechanism and multiple telescopic mechanisms, the said modulating mechanism is fitted on the external wall of the quill, the said multiple telescopic mechanisms are set up on modulating mechanism and rotated and connected with said modulating mechanism, the invention is used through setting up modulating mechanism and telescopic mechanism and cooperating, facilitate folding or opening the umbrella cloth, the cylinder in the modulating mechanism shrinks when not using, drive the upper link arm, support arm and lower link arm in the telescopic mechanism to draw in inwards, and then make the umbrella cloth fold, reduce the floor area and facilitate the transportation; the area requirement of the drilling platform turntable area is met by adjusting the telescopic height of the air cylinder, and slurry is prevented from falling off from the umbrella body, so that the slurry and the like pollute the surrounding environment.
Description
Technical Field
The invention relates to the technical field of oil field drilling and repairing machines, in particular to a power soft slurry umbrella.
Background
At present, in the operation process of a drilling and repairing machine, a steel mud umbrella which is positioned below a rotary table of a drill floor and used for collecting a large amount of mud liquid scattered in the working process above the drill floor has the following defects in the aspects of use and operation:
1. the umbrella is used as a drilling machine accessory and needs to be disassembled and assembled at a well mouth, and the area of a drilling platform turntable area is large, so that the external area of the umbrella is large, the assembling and disassembling difficulty is large, the operation is inconvenient, and meanwhile, a large space is occupied during transportation and storage;
2. the umbrella is welded by steel plates, the weight of the umbrella body is large due to large external area, and the rolling operation of the steel plates is difficult during the manufacturing;
3. the area difference exists between the umbrella and the turntable area of the drill floor, so that slurry and the like fall off from the umbrella body, and the slurry and the like pollute the surrounding environment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a power soft slurry umbrella which can solve the problems of 1, high difficulty in installation and disassembly, inconvenience in operation and large occupied space during transportation and storage; 2. the umbrella is welded by steel plates, the weight of the umbrella body is large due to large external area, and the rolling operation of the steel plates is difficult during the manufacturing; 3. the area difference exists between the umbrella and the turntable area of the drill floor, so that slurry and the like fall off from the umbrella body, and the slurry and the like pollute the surrounding environment.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a power software mud umbrella, includes the sleeve pipe, sheathed tube top and bottom are equipped with first flange and second flange respectively, be connected with umbrella cloth on the first flange, be provided with back thick liquid outlet pipe on the sleeve pipe, it is linked together with the sleeve pipe to return thick liquid outlet pipe, still include adjustment mechanism and a plurality of telescopic machanism, the adjustment mechanism cover is established on the sheathed tube outer wall, a plurality of telescopic machanism set up on adjustment mechanism and with adjustment mechanism rotates to be connected.
Among this technical scheme, drive a plurality of telescopic machanisms through adjustment mechanism and expand or contract simultaneously, realize that the umbrella cloth is opened or is folded, umbrella cloth shrink when not using, and occupation space is little and be convenient for transport.
Preferably, the adjusting mechanism comprises a first buckle, a second buckle and a third buckle, the first buckle, the second buckle and the third buckle are all sleeved on the outer wall of the sleeve, an air cylinder is arranged between the first buckle and the second buckle, the end part of the air cylinder is connected with the first buckle with an ear seat on the outer wall, the head part of the air cylinder is connected with the second buckle with an ear seat on the outer wall, the third buckle is positioned above the second buckle, the adjusting mechanism further comprises a guide key, the guide key is arranged on the outer wall of the sleeve, a plurality of insertion holes are formed in the guide key, fixing pins are inserted into the insertion holes, a sliding groove matched with the guide key is formed in the inner wall of the second buckle, and the second buckle is connected with the guide key in a sliding manner;
in this technical scheme, adjustment mechanism mainly drives second buckle up-and-down motion through the cylinder to make the umbrella cloth open or fold, when the cylinder up-movement, the spout on the second buckle inner wall upwards slides along the direction key outer wall, in order to prevent that the second buckle from dropping downwards, uses the fixed pin to insert corresponding jack and carries on spacingly.
Preferably, the telescopic mechanism comprises an upper connecting arm, a supporting arm and a lower connecting arm, the lower end of the lower connecting arm is rotatably connected with an ear seat on the outer wall of the second buckle, the lower end of the supporting arm is rotatably connected with an ear seat on the outer side of the lower end of the lower connecting arm, the supporting arm and the lower connecting arm are both rotatably connected with the ear seat on the upper connecting arm to form a triangular structure, one end of the upper connecting arm, which is far away from the supporting arm, is rotatably connected with the ear seat on the outer wall of the third buckle, and the position where the upper connecting arm is connected with the third buckle corresponds to the position where the lower connecting arm is connected with the second buckle;
in the technical scheme, the supporting arm and the lower connecting arm are rotatably connected to the second buckle, the upper connecting arm is rotatably connected to the third buckle, and the telescopic mechanism is driven to expand or contract by the up-and-down movement of the cylinder, so that the umbrella cloth can be folded and unfolded.
Preferably, the length of the support arm is greater than the length of the upper connecting arm and the length of the lower connecting arm;
preferably, the umbrella cloth is made of a soft polymer film material. In order to fix the umbrella cloth, the four corners of the bottom of the umbrella cloth are connected to the supporting arms through pull ropes, the four corners of the top of the umbrella cloth are connected to the top of the supporting arms through safety buckle hooks, and the center of the bottom of the umbrella cloth is connected to the first flange through bolts.
In the technical scheme, the membrane material meets the use requirement of the water-based oil-based mud, the membrane material is a double-layer membrane body, the connection mode of lapping engineering cut pieces and cut pieces is adopted, four corners of the bottom of the membrane material are fixed on the supporting arms, four corners of the top of the membrane material are fixed on the top of the supporting arms through safety buckle hooks, and the center of the lower part of the membrane material is fixed on the first flange, so that the membrane material can be folded and unfolded along with the telescopic mechanism; meanwhile, the umbrella body is made of soft membrane material, so that the installation and the manufacture are convenient, and the weight is only 1/2 of the weight of the traditional mud umbrella.
Preferably, the first buckle and the third buckle are connected to the outer wall of the sleeve through bolts, and the first flange, the second flange, the return slurry outlet pipe and the guide key are welded to the sleeve.
In order to fix and unfold the umbrella cloth well, preferably, the number of the telescopic mechanisms is four, and the four telescopic mechanisms are symmetrically distributed on the outer walls of the second buckle and the third buckle.
Preferably, the slurry return outlet pipe is located between the first buckle and the second buckle.
Among this technical scheme, through setting up the outlet pipe that returns the thick liquid between first buckle and second buckle, do benefit to space maximize and utilize. When the return slurry outlet pipe is arranged below the first buckle, the connection between the second flange and the blowout preventer is sometimes influenced due to the limitation of the height of the sleeve; when the slurry return outlet pipe is arranged above the second buckle, the folding or the unfolding of the umbrella cloth can be blocked.
Preferably, hoisting screws are further symmetrically arranged on the top of the first flange, and the pneumatic winch is convenient to hoist the first flange to be connected to the blowout preventer through the second flange by the aid of the hoisting screws.
Preferably, a pin shaft is inserted into the ear seat.
Compared with the prior art, the invention has the beneficial effects that:
1. the adjusting mechanism and the telescopic mechanism are matched for use, so that the umbrella cloth is convenient to fold or unfold, when the umbrella cloth is not used, the air cylinder in the adjusting mechanism is contracted to drive the upper connecting arm, the supporting arm and the lower connecting arm in the telescopic mechanism to be folded inwards, so that the umbrella cloth is folded, the maximum overall dimension of the umbrella cloth in the retracting and folding state is only 1/3 of the maximum overall dimension in the extending and unfolding state, the occupied area is reduced, and the umbrella cloth is convenient to transport.
2. The invention is convenient to install and manufacture by arranging the soft polymer film material, and the weight is only 1/2 of the weight of the traditional mud umbrella.
3. The invention can meet the area requirement of the rotary disk area of the drill floor by adjusting the telescopic height of the cylinder, and prevent mud from falling off from the umbrella body, so that mud and the like pollute the surrounding environment.
4. According to the umbrella cloth opening device, the guide key and the fixing pin are arranged, so that the second buckle pushed by the air cylinder can be guaranteed to move upwards along a straight line to smoothly open the umbrella cloth, and the fixing pin is inserted into the jack of the guide key to position the second buckle to prevent the unfolded umbrella cloth from retracting.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of a contraction structure of a power soft slurry umbrella according to the present invention;
FIG. 2 is a schematic view of the unfolding structure of a power soft mud umbrella according to the present invention;
FIG. 3 is an enlarged view of the powered soft mud umbrella of FIG. 2 at A;
FIG. 4 is an enlarged view of the powered soft mud umbrella of FIG. 3 at B.
Description of reference numerals:
the device comprises a sleeve 1, a first flange 2, a second flange 3, an umbrella cloth 4, a grout returning outlet pipe 5, a first buckle 6, a second buckle 7, a third buckle 8, a cylinder 9, a guide key 10, a jack 11, a fixing pin 12, an upper connecting arm 13, a supporting arm 14, a lower connecting arm 15 and a hoisting screw 16.
Detailed Description
The invention will be described in detail by way of example with reference to the accompanying drawings, which form a part hereof, and in which it is to be understood that the described embodiments are by way of illustration only, and not by way of limitation.
As shown in fig. 1-4, a power software mud umbrella, includes sleeve pipe 1, first flange 2 and second flange 3 have been welded respectively to the top and the bottom of sleeve pipe 1, be connected with umbrella cloth 4 on the first flange 2, be connected with the preventer on the second flange 3, 2 tops of first flange are the symmetry still and are provided with hoisting screw 16, through setting up hoisting screw 16, are convenient for use pneumatic winch with its hoist through second flange 3 be connected to the preventer on, be provided with back thick liquid outlet pipe 5 on the sleeve pipe 1, back thick liquid outlet pipe 5 welds on sleeve pipe 1 and is linked together with sleeve pipe 1, still includes adjustment mechanism and a plurality of telescopic machanism, the adjustment mechanism cover is established on the outer wall of sleeve pipe 1, a plurality of telescopic machanism set up on adjustment mechanism and with adjustment mechanism rotates to be connected.
The adjusting mechanism comprises a first buckle 6, a second buckle 7 and a third buckle 8, the first buckle 6, the second buckle 7 and the third buckle 8 are all sleeved on the outer wall of the sleeve 1, the first buckle 6 and the third buckle 8 are both connected on the outer wall of the sleeve 1 through bolts, an air cylinder 9 is arranged between the first buckle 6 and the second buckle 7, the automatic opening and folding of the umbrella cloth 4 can be realized by arranging the air cylinder 9 as power drive, different from the traditional mode, the power drive mechanism in the scheme can also be an oil cylinder and a motor, the end part of the air cylinder 9 is connected with the first buckle 6 of which the outer wall is provided with an ear seat, the head part of the air cylinder 9 is connected with the second buckle 7 of which the outer wall is provided with an ear seat, the third buckle 8 is positioned above the second buckle 7, the adjusting mechanism further comprises a guide key 10, the guide key 10 is welded on the outer wall of the sleeve 1, and the guide key 10 is provided with a plurality of insertion holes 11, a fixed pin 12 is inserted into the insertion hole 11, a sliding groove matched with the guide key 10 is formed in the inner wall of the second buckle 7, and the second buckle 7 is connected with the guide key 10 in a sliding mode;
the telescopic mechanism comprises an upper connecting arm 13, a supporting arm 14 and a lower connecting arm 15, the lower end of the lower connecting arm 15 is rotatably connected with an ear seat on the outer wall of the second buckle 7, the lower end of the supporting arm 14 is rotatably connected with an ear seat on the outer side of the lower end of the lower connecting arm 15, the supporting arm 14 and the lower connecting arm 15 are both rotatably connected with the ear seat on the upper connecting arm 13 to form a triangular structure, one end of the upper connecting arm 13, far away from the supporting arm 14, is rotatably connected with the ear seat on the outer wall of the third buckle 8, and the position where the upper connecting arm 13 is connected with the third buckle 8 corresponds to the position where the lower connecting arm 15 is connected with the second buckle 7; the number of the telescopic mechanisms is four, and the four telescopic mechanisms are symmetrically distributed on the outer walls of the second buckle 7 and the third buckle 8.
The length of the supporting arm 14 is greater than that of the upper connecting arm 13 and that of the lower connecting arm 15;
the umbrella cloth 4 is made of a soft high-molecular film material, specifically PVDF polyester fiber, and the umbrella cloth 4 is made of a soft film material, so that the installation and the manufacture are convenient, and the weight is light and is only 1/2 of the weight of the traditional mud umbrella; in order to fix the umbrella cloth 4 conveniently, four corners of the bottom of the umbrella cloth 4 are connected to the supporting arms 14 through pull ropes, four corners of the top of the umbrella cloth 4 are connected to the top of the supporting arms 14 through safety buckle hooks, and the center of the bottom of the umbrella cloth 4 is connected to the first flange 2 through bolts.
The outlet pipe 5 is located between the first buckle 6 and the second buckle 7, and the outlet pipe 5 is arranged between the first buckle 6 and the second buckle 7, so that the space utilization is maximized.
And a pin shaft is inserted in the ear seat.
During installation, after the power soft mud parachute is completely assembled on the ground, the drilling platform pneumatic winch can be used, the drilling platform pneumatic winch extends out of the wellhead turntable and is connected to the two hoisting screws 16 of the device, the first flange 2 is connected with the traction rope, when the pneumatic winch is hoisted, the traction rope is pulled obliquely to avoid the blowout preventer device, after the drilling platform is hoisted to the wellhead, the second flange 3 and the blowout preventer connecting bolt are connected, the remote control valve expands the four supporting arms to be in a working state, and installation is completed.
The invention has simple structure, convenient assembly and disassembly, flexible expansion and small occupied area, and simultaneously meets the use requirements of matched petroleum drilling and repairing equipment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the application concepts of the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (8)
1. The utility model provides a power software mud umbrella, includes sleeve pipe (1), the top and the bottom of sleeve pipe (1) are equipped with first flange (2) and second flange (3) respectively, be connected with umbrella cloth (4) on first flange (2), be provided with back thick liquid outlet pipe (5) on sleeve pipe (1), back thick liquid outlet pipe (5) are linked together its characterized in that with sleeve pipe (1): the device is characterized by further comprising an adjusting mechanism and a plurality of telescopic mechanisms, wherein the adjusting mechanism is sleeved on the outer wall of the sleeve (1), and the plurality of telescopic mechanisms are arranged on the adjusting mechanism and are rotatably connected with the adjusting mechanism;
the adjusting mechanism comprises a first buckle (6), a second buckle (7) and a third buckle (8), wherein the first buckle (6), the second buckle (7) and the third buckle (8) are all sleeved on the outer wall of the sleeve (1), an air cylinder (9) is arranged between the first buckle (6) and the second buckle (7), the end part of the air cylinder (9) is connected with the first buckle (6) with an ear seat on the outer wall, the head part of the air cylinder (9) is connected with the second buckle (7) with an ear seat on the outer wall, the third buckle (8) is positioned above the second buckle (7), the adjusting mechanism further comprises a guide key (10), the guide key (10) is arranged on the outer wall of the sleeve (1), a plurality of jacks (11) are arranged on the guide key (10), a fixing pin (12) is inserted into the jacks (11), and a chute matched with the guide key (10) is arranged on the inner wall of the second buckle (7), the second buckle (7) is connected with the guide key (10) in a sliding manner;
telescopic machanism includes linking arm (13), support arm (14) and lower linking arm (15), the lower extreme of lower linking arm (15) rotates with the ear seat on second buckle (7) outer wall to be connected, the lower extreme of support arm (14) rotates with the ear seat in the lower linking arm (15) lower extreme outside to be connected, support arm (14) and lower linking arm (15) all rotate with the ear seat on last linking arm (13) to be connected and form the triangle-shaped structure, it rotates with the ear seat on third buckle (8) outer wall to go up the one end that support arm (14) were kept away from in linking arm (13) and be connected, the position that last linking arm (13) and third buckle (8) are connected corresponds with the position that lower linking arm (15) are connected with second buckle (7).
2. The powered soft mud umbrella of claim 1, wherein: the length of the supporting arm (14) is larger than that of the upper connecting arm (13) and that of the lower connecting arm (15).
3. The powered soft mud umbrella of claim 1, wherein: umbrella cloth (4) are software macromolecular membrane material, umbrella cloth (4) bottom four corners passes through the stay cord to be connected on support arm (14), and the top four corners is connected at support arm (14) top through the safety buckle couple, umbrella cloth (4) bottom center is passed through bolted connection on first flange (2).
4. The powered soft mud umbrella of claim 1, wherein: the first buckle (6) and the third buckle (8) are connected to the outer wall of the sleeve (1) through bolts, and the first flange (2), the second flange (3), the slurry return outlet pipe (5) and the guide key (10) are welded to the sleeve (1).
5. The powered soft mud umbrella of claim 1, wherein: the number of the telescopic mechanisms is four, and the four telescopic mechanisms are symmetrically distributed on the outer walls of the second buckle (7) and the third buckle (8).
6. The powered soft mud umbrella of claim 1, wherein: the slurry return outlet pipe (5) is positioned between the first buckle (6) and the second buckle (7).
7. The powered soft mud umbrella of claim 1, wherein: hoisting screws (16) are further symmetrically arranged at the tops of the first flanges (2).
8. The powered soft mud umbrella of claim 1, wherein: and a pin shaft is inserted in the ear seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110507985.7A CN112922546B (en) | 2021-05-11 | 2021-05-11 | Power soft slurry umbrella |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110507985.7A CN112922546B (en) | 2021-05-11 | 2021-05-11 | Power soft slurry umbrella |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112922546A CN112922546A (en) | 2021-06-08 |
| CN112922546B true CN112922546B (en) | 2021-08-06 |
Family
ID=76174747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110507985.7A Active CN112922546B (en) | 2021-05-11 | 2021-05-11 | Power soft slurry umbrella |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112922546B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114747850A (en) * | 2022-04-08 | 2022-07-15 | 中国铁建重工集团股份有限公司 | Giant folding umbrella |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9016320B1 (en) * | 2011-06-30 | 2015-04-28 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Intelligent flow control valve |
| CN203847038U (en) * | 2014-05-13 | 2014-09-24 | 中国石油化工股份有限公司 | Drilling wellhead overflow-proof pipe |
| CN204532164U (en) * | 2014-12-30 | 2015-08-05 | 海城市石油机械制造有限公司 | A kind of telescopic slurry basket |
| CN105840131B (en) * | 2016-05-31 | 2018-11-13 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | The quickly device of fixed dismounting gear mud umbrella and the method for fixed dismounting |
| CN208777932U (en) * | 2018-10-08 | 2019-04-23 | 李先锋 | A kind of well head soft slurry collecting device |
| CN211950422U (en) * | 2020-03-05 | 2020-11-17 | 江苏卫东机械有限公司 | Slurry umbrella assembly of environment-friendly closed type rotary blowout preventer |
-
2021
- 2021-05-11 CN CN202110507985.7A patent/CN112922546B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112922546A (en) | 2021-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10808415B2 (en) | Fast transportable drilling rig system | |
| US4251176A (en) | Well tubing handling apparatus | |
| RU2483186C2 (en) | Method for facilitating drilling plant installation | |
| CN112922546B (en) | Power soft slurry umbrella | |
| WO2023221302A1 (en) | Boom system for independently mounting wind turbine and large-scale construction apparatus | |
| CN106219420A (en) | A kind of fast erecting traveling tower crane | |
| CN109231026B (en) | Hoisting device for key parts of offshore wind turbine generator | |
| CN208360510U (en) | A kind of movable unmanned helicopter high-altitude reclaimer | |
| CN206185355U (en) | High altitude (HA) scope is with welding auxiliary machinery arm | |
| WO2002057593A1 (en) | A method and arrangement for connecting drill pipes/drill pipe stands | |
| CN108868601B (en) | Rotary drilling rig with backward folded winch auxiliary mast | |
| CN106223622A (en) | A kind of tower concrete spreader | |
| KR20150083611A (en) | Boom-rotating device and high place working system and high place operation car using the same | |
| CN217106813U (en) | Multifunctional foundation drilling machine | |
| CN202152260U (en) | Engineering plant and propeller strut structure thereof | |
| CN106904560B (en) | A kind of well cover opening device | |
| CN214495511U (en) | Novel 35kV reactor hoist and mount dolly | |
| CN214217918U (en) | Vertical shaft suspension device suitable for installation of rotational flow high-lift submersible pump | |
| CN106966343B (en) | Elevation operation mechanism for ship construction and multi-linkage elevation operation mechanism | |
| CN206719178U (en) | One kind forces closing device and system | |
| CN213654794U (en) | Foldable operation pipe arranging device | |
| CN109403873B (en) | Tractor-trailer drill workover rig well frame | |
| CN206053355U (en) | A kind of tower concrete spreader | |
| CN212118028U (en) | Expansion type crane ship | |
| CN104790878B (en) | Folded type long-stroke drilling machine |
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 |