CN113500349B - Pipeline aligning device for realizing accurate pipe orifice butt joint - Google Patents
Pipeline aligning device for realizing accurate pipe orifice butt joint Download PDFInfo
- Publication number
- CN113500349B CN113500349B CN202110830402.4A CN202110830402A CN113500349B CN 113500349 B CN113500349 B CN 113500349B CN 202110830402 A CN202110830402 A CN 202110830402A CN 113500349 B CN113500349 B CN 113500349B
- Authority
- CN
- China
- Prior art keywords
- fixing plates
- external fixing
- group
- plates
- external
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a pipeline mouth aligner for realizing accurate pipe orifice butt joint, which comprises two groups of external fixing plates, wherein the end sides of one group of external fixing plates are attached to the end sides of the other group of external fixing plates, the bottoms of the other group of external fixing plates are rotatably connected with the bottoms of the other group of external fixing plates, connecting sheets are connected to the bottoms of the one group of external fixing plates, rotating shafts are connected between the bottoms of the other group of external fixing plates, connecting rods are connected between the tops of the external fixing plates, and turning rods are connected to the connecting rods. The handle is only required to be held for turning, so that the pressing plate rotates around the pipeline, the position of the joint position of the connecting rod and the rotating shaft on the petroleum pipeline is changed, the petroleum pipeline can be conveniently continuously welded, when two pipelines needing to be welded are not fixedly placed on the ground, after the first welding is completed, when the handle needs to be turned, workers on two sides can press the petroleum pipeline, and in the process of turning the handle, the roller can roll on the ground, so that the turning resistance is reduced.
Description
Technical Field
The invention belongs to the technical field of pipeline connection, and particularly relates to a pipeline aligning device for realizing accurate pipe orifice butt joint.
Background
The pipeline of long distance transport oil in order to reduce flange butt joint volume, need weld between the pipeline, among the welding process, need ensure the laminating of pipeline port alignment to leave the space of weldable and be used for the welding, the pipeline of adopting is to mouthful ware at present, and the main part is double-chain cramps the mechanism, cramps the double-chain on two pipeline outer walls through locking mechanism, stabilizes pipeline port laminating position, and the weak point that exists is: this kind of pipeline can laminate fixedly to the petroleum pipeline of different cross-section diameters mouthparts, mainly stems from the lock ring of chain, and finishes the back when one side welding of pipeline port laminating position, needs loaded down with trivial details to the two chain cramp mechanism dismantles, lets the chain take off from the pipeline pine, then just can let to the mouthpart upset on the pipeline, satisfies the opposite side welding to pipeline laminating department position, and the operation is inconvenient.
Disclosure of Invention
The invention aims to provide a pipeline aligning device for realizing accurate butt joint of pipe orifices, which solves the problem that the change of weldable side position is not convenient when petroleum pipelines with different section diameters are aligned in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a realize pipeline of mouth of pipe accurate butt joint to mouthpart, includes two sets of external solid boards, wherein the distolateral laminating of a set of external solid board of side another set of external solid board of side and wherein the bottom of a set of external solid board rotates the bottom of connecting another set of external solid board, wherein the bottom of a set of external solid board all is connected with the connection piece, is connected with the spiral axle between the bottom of a set of external solid board in addition, the spiral axle runs through the connection piece, the distolateral open angle that is equipped with of external solid board bottom is connected with the turnover pole on being connected with connecting rod and the connecting rod between the top of every external solid board of group, be provided with a plurality of clamp plates that just thickness is different in the external solid board, the built-in connection of external solid board has the double-screw bolt, be equipped with the mounting hole in the clamp plate, the double-screw nut is run through mounting hole and spiro union.
Preferably, the pressing plate is an arc-shaped plate, the pressing plate is provided with an inserting strip, and the outer fixing plate is internally provided with a slot into which the inserting strip is inserted.
Preferably, it has the limit to turn over the mechanism to set up on the pole to turn over, limit to turn over the mechanism and include the fixed plate, the both sides of fixed plate are equipped with the jack, the pole that turns over runs through the jack, it is provided with the spacing ring just to be located the following position of fixed plate on the pole to turn over, one side interlude of jack has the bolt, be equipped with the constant head tank in the pole that turns over, the bolt inserts in the constant head tank, the head that fixed plate and bolt are connected respectively at the both ends that the bolt endotheca was equipped with spring and spring on the bolt, the head of bolt is connected with the pull ring.
Preferably, a handle is connected to the fixing plate.
Preferably, the outer wall of the outer fixing plate is connected with support plates through connection plates, each outer fixing plate is provided with at least two support plates, and a roller is rotatably arranged between the support plates.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the pressure plate rotates around the pipeline only by holding the handle to turn over, the position of the connecting rod and the rotating shaft at the joint of the petroleum pipeline is changed, so that the continuous welding is facilitated, when two pipelines to be welded are not fixedly placed on the ground, after the initial welding is completed, and the handle needs to be turned over, workers at two sides can press the petroleum pipeline, in the process of turning over the handle, the rollers can roll on the ground, so that the turning resistance is reduced, and the problem that the weldable side position is inconvenient to change when the petroleum pipelines with different section diameters are aligned is solved.
In the invention, the pressing plates with different thicknesses can be arranged in the external fixing plate, so that the petroleum pipelines with different section diameters can be aligned.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic left side view of the present invention;
FIG. 3 isbase:Sub>A schematic left side view taken along line A-A of FIG. 2;
FIG. 4 is a schematic left side view cut away at B-B of FIG. 1;
FIG. 5 is a schematic left side view taken at C-C of FIG. 1;
FIG. 6 is an enlarged view of a portion of FIG. 5;
fig. 7 is an enlarged schematic view of the structure at b of fig. 4.
In the figure: the device comprises an external fixing plate 1, an open angle 2, a connecting sheet 3, a rotating shaft 4, a connecting rod 5, a turnover rod 6, a pressing plate 7, a cutting strip 8, a slot 9, a stud 10, a mounting hole 11, a nut 12, a fixing plate 13, a jack 14, a limiting ring 15, a bolt 16, a positioning groove 17, a spring 18, a pull ring 19, a handle 20, a connecting sheet 21, a supporting sheet 22 and a roller 23.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, 2, 3, 4, 5 and 6, an embodiment of the present invention provides a pipe end aligning device for realizing precise pipe end butt joint, which includes two sets of front and rear external fixing plates 1, wherein the number of the external fixing plates 1 in each set is two, the external fixing plates 1 are arranged in left and right, the end sides of the two sets of external fixing plates 1 are mutually attached, the bottom of the rear set of external fixing plates 1 is welded with a connecting plate 3, a rotating shaft 4 is welded between the bottoms of the front set of external fixing plates 1, the rotating shaft 4 slidably penetrates through a shaft hole arranged on the connecting plate 3, the end side of the bottom of the front set of external fixing plates 1 is provided with an open angle 2, the open angle 2 is a triangular opening, the open angle 2 is set in size, so that the two sets of external fixing plates 1 can be smoothly turned outwards by using the rotating shaft 4 as a rotation center, petroleum pipelines with different cross-section diameters can be inserted after being turned, a connecting rod 5 is welded between the tops of each set of external fixing plates 1, and a turning rod 6 is welded on the middle side of the connecting rod 5, four pressing plates 7 with different thicknesses are arranged in the outer fixing plate 1, the transverse widths of the pressing plates 7 are the same, the pressing plates 7 are circular arc-shaped plates, the thickness design of the pressing plates 7 meets the requirement that after two groups of outer fixing plates 1 are mutually attached, the inner walls of the pressing plates 7 with the same thickness at two sides are completely attached to the outer wall of a pipeline, therefore, petroleum pipelines with different cross-section diameters can be aligned by installing the pressing plates 7 with different thicknesses on the outer fixing plates 1, the ports of the two petroleum pipelines are ensured to be mutually aligned, inserting strips 8 are arranged at the upper and lower positions of the outer wall of the pressing plates 7, the pressing plates 7 and the inserting strips 8 are integrated casting pieces, slots 9 are arranged at the upper and lower positions of the inner wall of the outer fixing plate 1, the inserting strips 8 are slidably inserted into the slots 9, when the inserting strips 8 are inserted into the slots 9, the pressing plates 7 are limited to move along the inner wall of the outer fixing plate 1, studs 10 are welded at the middle side of the inner wall of the outer fixing plate 1, mounting holes 11 are arranged at the middle side of the pressing plates 7, the stud 10 penetrates through the mounting hole 11 and is in threaded connection with the nut 12, and when the stud 10 is locked by the nut 12, the nut 12 presses the pressing plate 7 on the external fixing plate 1, so that the position of the pressing plate 7 on the inner wall of the external fixing plate 1 is stabilized.
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the turnover limiting mechanism includes a fixing plate 13, the fixing plate 13 is a square plate, jacks 14 are provided on the front and rear sides of the fixing plate 13, the turnover rod 6 slides through the jacks 14, the distance between the jacks 14 is set to meet the requirement that when two turnover rods 6 are inserted into the jacks 14, the end sides of two sets of external fixing plates 1 are mutually attached, a limiting ring 15 is provided on the turnover rod 6 and below the fixing plate 13, the limiting ring 15 and the turnover rod 6 are integrated by fusion casting, the limiting ring 15 is provided to limit the fixing plate 13 to continuously move downwards, a bolt 16 is slidably inserted into the through hole on one side of the jack 14, a positioning groove 17 is provided in the turnover rod 6, the bolt 16 is slidably inserted into the positioning groove 17, a spring 18 is sleeved on the bolt 16, the two ends of the spring 18 are respectively welded to the heads of the fixing plate 13 and the bolt 16, the spring 18 is of a stretch-retraction type, the initial stretching retraction force of the spring 18 is 18 newtons, through elastic support of the spring 18, the bolt 16 is limited to be separated from the positioning groove 17, the bolt 16 is inserted into the positioning groove 17, the fixing plate 13 is limited to be separated from the turnover rod 6 upwards, the mutual attaching state of the external fixing plates 1 is stabilized, the head portions of the bolt 16 are connected with pull rings 19, the bolt 16 and the pull rods 19 are integrated, a handle 20 is welded on the middle side of the upper end of the fixing plate 13, the front and rear positions of the outer wall of the external fixing plate 1 are connected with supporting pieces 22 through connecting pieces 21, the front and rear supporting pieces 22 are symmetrical to each other, the external fixing plates 1, the connecting pieces 21 and the supporting pieces 22 are integrated, the rollers 23 are uniformly arranged among the supporting pieces 22, circular shafts are arranged at the centers of the two ends of the rollers 23, the circular shafts are slidably inserted into shaft grooves formed in the supporting pieces 22, and the rollers 23 can stably rotate among the supporting pieces 22.
The working principle of the embodiment is as follows: before using, pull ring 19 is drawn outwards, spring 18 is stretched, locating slot 17 is deviate from to bolt 16, lift fixed plate 13, make jack 14 deviate from and turn over pole 6, turn over the pole 6 of turning up both sides, two sets of solid board 1 turn over outward, confirm clamp plate 7 that needs to use, the clamp plate 7 that will not need to use is dismantled, during the dismantlement, available box spanner inserts in mounting hole 11, unscrew nut 12, pull clamp plate 7 outward, make mounting hole 11 deviate from double-screw bolt 10, after the dismantlement finishes, at clamp plate 7 inner wall coating viscidity lubricating oil spare.
When in use, the turning rods 6 at two sides are turned inwards to enable the two groups of external fixing plates 1 to be mutually attached, the pressing plates 7 on the two external fixing plates 1 attached at one side are sleeved on a fixed petroleum pipeline, the petroleum pipeline to be aligned with the petroleum pipeline is inserted between the pressing plates 7 on the two external fixing plates 1 attached at the other side, then the inserting holes 14 at two sides of the fixing plate 13 are sleeved on the turning rods 6, the bolts 16 are inserted into the positioning grooves 17, the bolts 16 are limited to be separated from the positioning grooves 17 through the elastic support of the springs 18, the bolts 16 are inserted into the positioning grooves 17, the fixing plates 13 are limited to be separated from the turning rods 6 upwards, the mutually attached states of the external fixing plates 1 are stabilized, the petroleum pipeline is pushed, and the ports of the petroleum pipeline are aligned and attached with the ports of the fixed petroleum pipeline, thereby can implement and weld petroleum pipeline laminating department, certain welding part welding is accomplished the back, two petroleum pipeline are preliminary fixed, when needing rotatory this pipeline to mouthpart, only need hold handle 20 upset, make clamp plate 7 rotatory around the pipeline, change connecting rod 5 and pivot 4 and be located petroleum pipeline laminating department position, be convenient for continue the welding, and when two pipeline that need the welding do not fixed place subaerial, first welding is accomplished the back, when needing upset handle 20, the workman of both sides can press petroleum pipeline, the in-process of upset handle 20, roller 23 can be subaerial the roll, the upset resistance is reduced, after the welding is accomplished, can pull out the fixed plate and turn over pole 6, and take out gu plate 1 outside from below the petroleum pipeline.
The pressing plate 7 with different thicknesses can be mounted in the outer fixing plate 1, so that the petroleum pipelines with different section diameters can be aligned, when the pressing plate 7 is mounted in the outer fixing plate 1, the inserting strips 8 are inserted into the inserting grooves 9 to limit the pressing plate 7 to move along the inner wall of the outer fixing plate 1, and when the screw studs 10 are locked by the nuts 12, the pressing plate 7 is pressed on the outer fixing plate 1 by the nuts 12, so that the position of the pressing plate 7 on the inner wall of the outer fixing plate 1 is stabilized.
Therefore, when petroleum pipelines with different section diameters are aligned, only the handle 20 needs to be rotated when the weldable side position is changed, and the operation is more convenient.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (2)
1. The utility model provides a realize pipeline of accurate butt joint of mouth of pipe to mouthpart which characterized in that: the anti-theft device comprises two groups of external fixing plates (1), wherein the end sides of one group of external fixing plates (1) are attached to the end sides of the other group of external fixing plates (1), the bottom of the other group of external fixing plates (1) is rotatably connected with the bottoms of the other group of external fixing plates (1), the bottoms of the one group of external fixing plates (1) are connected with connecting pieces (3), rotating shafts (4) are connected between the bottoms of the other group of external fixing plates (1), the rotating shafts (4) penetrate through the connecting pieces (3), the end sides of the bottoms of the external fixing plates (1) are provided with open angles (2), connecting rods (5) are connected between the tops of the external fixing plates (1) of each group, turning rods (6) are connected onto the connecting rods (5), a plurality of pressing plates (7) with different thicknesses are arranged in the external fixing plates (1), studs (10) are connected in the external fixing plates (1), mounting holes (11) are arranged in the pressing plates (7), the studs (10) penetrate through the mounting holes (11) and are screwed with nuts (12), a limiting mechanism is arranged on the turning rods (6), the turning mechanism comprises a fixing plate (13), jacks (13) are arranged on the two sides of the turning plates (6), jacks (14) are arranged on the limiting rods (14), and jacks (14) are arranged on the two sides of the fixing plates (6), bolt (16) have been alternate to one side of jack (14), be equipped with constant head tank (17) in turning over pole (6), bolt (16) insert in constant head tank (17), the head that fixed plate (13) and bolt (16) are connected respectively at the both ends that the cover was equipped with spring (18) and spring (18) on bolt (16), the head of bolt (16) is connected with pull ring (19), be connected with handle (20) on fixed plate (13), the outer wall of external solid board (1) is connected with backing sheet (22) through connection piece (21), is provided with two piece at least backing sheets (22) on every external solid board (1), rotates between backing sheet (22) and is provided with roller (23).
2. The pipe orifice aligning device for realizing accurate pipe orifice butt joint according to claim 1, is characterized in that: the pressing plate (7) is an arc-shaped plate, the pressing plate (7) is provided with an inserting strip (8), a slot (9) is formed in the outer fixing plate (1), and the inserting strip (8) is inserted into the slot (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110830402.4A CN113500349B (en) | 2021-07-22 | 2021-07-22 | Pipeline aligning device for realizing accurate pipe orifice butt joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110830402.4A CN113500349B (en) | 2021-07-22 | 2021-07-22 | Pipeline aligning device for realizing accurate pipe orifice butt joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113500349A CN113500349A (en) | 2021-10-15 |
| CN113500349B true CN113500349B (en) | 2023-03-31 |
Family
ID=78013657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110830402.4A Active CN113500349B (en) | 2021-07-22 | 2021-07-22 | Pipeline aligning device for realizing accurate pipe orifice butt joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113500349B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009233675A (en) * | 2008-03-25 | 2009-10-15 | Kimura Kanko:Kk | Steel tube butting tool |
| CN203092055U (en) * | 2012-12-31 | 2013-07-31 | 中国石油天然气集团公司 | Pipeline outer aligning device capable of adjusting space between pipe sections |
| CN105479045B (en) * | 2015-11-18 | 2017-03-15 | 西南石油大学 | A kind of outer mating operation platform of large diameter pipeline |
| CN105954013B (en) * | 2016-07-16 | 2018-08-17 | 山东华宇工学院 | A kind of illuminance of lamp detection device |
| CN208697240U (en) * | 2018-08-22 | 2019-04-05 | 山西省工业设备安装集团有限公司 | A kind of simple pipeline line-up clamp |
| CN209681529U (en) * | 2019-04-04 | 2019-11-26 | 中交海洋建设开发有限公司 | A kind of large diameter pipeline external clamp |
| CN210188944U (en) * | 2019-07-08 | 2020-03-27 | 青岛西海岸市政工程有限公司 | Combined pipeline aligning device for improving welding quality of pressure pipeline |
| CN110802363A (en) * | 2019-11-22 | 2020-02-18 | 北京金河水务建设集团有限公司 | Pipeline aligning device and using method |
| CN211518801U (en) * | 2019-12-30 | 2020-09-18 | 湖南玛特印刷科技有限公司 | Paper cutting device of rotary printing machine |
| CN111716069A (en) * | 2020-06-30 | 2020-09-29 | 中国二冶集团有限公司 | Pipeline external butt-joint device and butt-joint welding method thereof |
-
2021
- 2021-07-22 CN CN202110830402.4A patent/CN113500349B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113500349A (en) | 2021-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE202019102307U1 (en) | drill | |
| DK151117B (en) | CLUTCH | |
| CN206200470U (en) | Suitable for the turnover front-back two-sided welding bench of Bailey bracket welding | |
| CN113500349B (en) | Pipeline aligning device for realizing accurate pipe orifice butt joint | |
| JP2017164830A (en) | Chain Decomposer | |
| DE102008049912A1 (en) | Vacuum fastening unit for vacuum fastening device for long material such as round or polygon bars and pipes, has long suction clamping plate with long sealing lip and vacuum contact valve at upper side | |
| CN110842861A (en) | Grooving lock nut assembly and disassembly tools | |
| CN114623151B (en) | Quick-connection textile rubber roller | |
| CN213918133U (en) | MTU multi-part assembly slewing bracket | |
| CN111203744A (en) | Turnover device for machining of mechanical parts | |
| CN104999244B (en) | Fixing device of clamp | |
| CN213560831U (en) | Multifunctional welding device | |
| CN210255984U (en) | Hydraulic support complete set case dismounting device | |
| CN102689218A (en) | Lathe structure for replaceable station | |
| KR101421340B1 (en) | Stabilization device of multi-axis drilling machine | |
| CN218081244U (en) | Rotary limiting device and rectangular pipe positioning tool | |
| CN117125126B (en) | Connecting flange transfer device | |
| CN112222881B (en) | Clamp for forklift frame | |
| CN217097156U (en) | Arc-shaped part polishing tool | |
| SE1000341A1 (en) | Drilling rig base with telescopic pillar and clutch | |
| CN219274100U (en) | Coil of strip unreels frock | |
| CN212420268U (en) | Box right angle support | |
| CN211387459U (en) | Vertical positioning tool for welding automobile parts | |
| CN216730290U (en) | Positioning tool for welding steel plate | |
| CN211763094U (en) | Wood-plastic board production system |
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 |