CN108060478B - Yarn twisting device - Google Patents
Yarn twisting device Download PDFInfo
- Publication number
- CN108060478B CN108060478B CN201810052858.0A CN201810052858A CN108060478B CN 108060478 B CN108060478 B CN 108060478B CN 201810052858 A CN201810052858 A CN 201810052858A CN 108060478 B CN108060478 B CN 108060478B
- Authority
- CN
- China
- Prior art keywords
- yarn
- twisting
- yarn twisting
- alarm
- cylinder
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention discloses a yarn twisting device, wherein a first convex ring, a second convex ring and a third convex ring are sequentially arranged on the outer wall of a yarn twisting supporting rod at intervals from top to bottom, and a yarn twisting ring is slidably sleeved between the first convex ring and the second convex ring; the bottom end of the twisting yarn supporting rod is provided with a connecting rod, and the twisting yarn supporting rod is rotatably arranged on the mounting frame through the connecting rod; the top of the yarn twisting supporting rod is provided with a first mounting hole for mounting an alarm mechanism. The yarn twisting device comprises a yarn twisting support rod, a yarn twisting ring, a yarn twisting support rod, a yarn twisting operation and a yarn twisting operation, wherein the yarn twisting ring is sleeved on the outer side wall of the yarn twisting support rod, an alarm mechanism is sleeved at the top of the yarn twisting support rod, the bottom of the yarn twisting support rod is sleeved in the yarn drum, yarns are abutted against the yarn twisting support rod and then pass through the yarn twisting ring when twisted, tension of outward expansion of the yarns is looped by the yarn twisting ring, and the yarns are stretched upwards and simultaneously rotate to drive other yarns to rotate, so that yarn twisting operation is realized; the invention has simple structure and convenient operation, and greatly improves the production efficiency and the product quality.
Description
Technical Field
The invention relates to the technical field of yarn twisting, in particular to a yarn twisting device.
Background
Yarn twisting device that prior art made, the structure is complicated, and the space position that occupies is big when using, needs artifical real-time detection broken string state, and production efficiency is lower, is unfavorable for the product quality management of enterprise. Therefore, a yarn twisting device needs to be studied to solve the problems of complex structure, high labor intensity, low production efficiency, poor product quality and high product manufacturing cost of the yarn twisting device in the prior art.
Disclosure of Invention
The invention aims to provide a yarn twisting device to solve the problems of complex structure, high labor intensity, low production efficiency, poor product quality and higher product manufacturing cost of the yarn twisting device in the prior art in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the yarn twisting device comprises a yarn mixing rack, yarn twisting mechanisms and alarm mechanisms, wherein at least two cross beams are arranged on the yarn mixing rack, at least two mounting frames are arranged on each cross beam, the yarn twisting mechanisms are rotatably arranged on the mounting frames, the top of each yarn twisting mechanism is provided with one alarm mechanism, the yarn twisting mechanisms twist at least two yarns into one yarn, and when any one alarm mechanism detects broken yarns, the alarm mechanism gives an alarm and controls the yarn twisting device to stop working;
the yarn twisting mechanism comprises a yarn twisting supporting rod and a yarn twisting ring, wherein a first convex ring, a second convex ring and a third convex ring are sequentially arranged on the outer wall of the yarn twisting supporting rod at intervals from top to bottom, and the yarn twisting ring is sleeved between the first convex ring and the second convex ring in a sliding manner; the bottom end of the twisting yarn supporting rod is provided with a connecting rod, and the twisting yarn supporting rod is rotatably arranged on the mounting frame through the connecting rod; the top of the yarn twisting supporting rod is provided with a first mounting hole for mounting an alarm mechanism.
Further, the alarm mechanism comprises a first porcelain eye, a second porcelain eye, a third porcelain eye, a swinging rod and an alarm, wherein the first porcelain eye, the second porcelain eye and the third porcelain eye are sequentially arranged on the side wall of the alarm at intervals from top to bottom, and the top end of the swinging rod is rotatably connected with the side wall of the alarm.
Further, the yarn mixing rack comprises a supporting frame, cross beams, a mounting frame, yarn hook cross rods and yarn guiding hooks, wherein three cross beams which are arranged at intervals up and down are arranged on the supporting frame, at least two mounting frames which are distributed at intervals left and right are arranged on each cross beam, the yarn hook cross rods are arranged at the top of the supporting frame, and at least two yarn guiding hooks which are distributed at intervals left and right are arranged on the yarn hook cross rods.
Further, one end and the crossbeam fixed connection of mounting bracket, the other end of mounting bracket is equipped with the section of thick bamboo frame that is used for placing yarn section of thick bamboo, the bottom and the mounting bracket fixed connection of section of thick bamboo frame, the top of section of thick bamboo frame is equipped with the second mounting hole that is used for installing yarn mechanism.
The beneficial effects of the invention are as follows: the yarn twisting device comprises a yarn twisting support rod, a yarn twisting ring, a yarn twisting support rod, a yarn twisting operation and a yarn twisting operation, wherein the yarn twisting ring is sleeved on the outer side wall of the yarn twisting support rod, an alarm mechanism is sleeved at the top of the yarn twisting support rod, the bottom of the yarn twisting support rod is sleeved in the yarn drum, yarns are abutted against the yarn twisting support rod and then pass through the yarn twisting ring when twisted, tension of outward expansion of the yarns is looped by the yarn twisting ring, and the yarns are stretched upwards and simultaneously rotate to drive other yarns to rotate, so that yarn twisting operation is realized; the invention has simple structure and convenient operation, and greatly improves the production efficiency and the product quality.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a schematic diagram of the yarn twisting mechanism of the present invention.
FIG. 3 is a schematic drawing of the yarn twisting mechanism and the alarm mechanism of the present invention.
In the figure: 1. a yarn mixing frame; 2. a yarn twisting mechanism; 3. an alarm mechanism; 11. a support frame; 12. a cross beam; 13. a hook rail; 14. a mounting frame; 15. a yarn guiding hook; 21. twisting the yarn supporting rod; 22. twisting yarn loops; 23. a first collar; 24. a second convex ring; 25. a third convex ring; 31. a first porcelain eye; 32. a second porcelain eye; 33. a third porcelain eye; 34. swing rod; 35. an alarm; 41. a first bobbin; 42. a second bobbin; 43. a third bobbin; 44. a yarn.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
Referring to the drawings, the invention provides a technical scheme that: the yarn twisting device comprises a yarn mixing frame 1, yarn twisting mechanisms 2 and alarm mechanisms 3, wherein at least two cross beams 12 are arranged on the yarn mixing frame 1, at least two mounting frames 14 are arranged on each cross beam 12, the yarn twisting mechanisms 2 are rotatably arranged on the mounting frames 14, the top of each yarn twisting mechanism 2 is provided with one alarm mechanism 3, the yarn twisting mechanisms 2 twist at least two yarns into one yarn, and when any one alarm mechanism 3 detects yarn breakage, the alarm mechanism 3 gives an alarm and controls the yarn twisting device to stop working; the yarn mixing rack 1 comprises a supporting frame 11, cross beams 12, a mounting frame 14, yarn hook cross rods 13 and yarn guide hooks 15, wherein three cross beams 12 which are arranged up and down at intervals are arranged on the supporting frame 11, at least two mounting frames 14 which are distributed left and right at intervals are arranged on each cross beam 12, the yarn hook cross rods 13 are arranged at the top of the supporting frame 11, and at least two yarn guide hooks 15 which are distributed left and right at intervals are arranged on the yarn hook cross rods 13; one end of the mounting frame 14 is fixedly connected with the cross beam 12, a barrel frame for placing yarn barrels is arranged at the other end of the mounting frame 14, the bottom of the barrel frame is fixedly connected with the mounting frame, and a second mounting hole for installing a yarn twisting mechanism is formed in the top of the barrel frame.
The yarn twisting mechanism 2 comprises a yarn twisting supporting rod 21 and a yarn twisting ring 22, wherein a first convex ring 23, a second convex ring 24 and a third convex ring 25 are sequentially arranged on the outer wall of the yarn twisting supporting rod 21 at intervals from top to bottom, and the yarn twisting ring 22 is slidably sleeved between the first convex ring 23 and the second convex ring 24; the bottom end of the twisting support rod 21 is provided with a connecting rod, and the twisting support rod 21 is rotatably arranged on the mounting frame 14 through the arranged connecting rod; the top of the twisting support rod 21 is provided with a first mounting hole for mounting the alarm mechanism 3; the alarm mechanism 3 comprises a first porcelain eye 31, a second porcelain eye 32, a third porcelain eye 33, a swinging rod 34 and an alarm 35, wherein the side wall of the alarm 35 is provided with the first porcelain eye 31, the second porcelain eye 32 and the third porcelain eye 33 at intervals from top to bottom in sequence, and the top end of the swinging rod 34 is rotatably connected with the side wall of the alarm 35; in use, the yarn 44 passes through the third porcelain eye 33, then through the swing rod 34, and then through the second porcelain eye 32 and the first porcelain eye 31; during the process of being stretched, the yarn 44 presses the swing rod 34 at the lowest point, the swing rod 34 has a tendency to spring upwards due to the self elastic force, and when yarn breakage occurs, the swing rod 34 does not receive the downward pressure, and the swing rod 34 springs upwards to restore to the original state, so that an alarm 35 at the end part of the swing rod 34 is triggered to alarm.
Embodiment one: the yarn mixing rack is preferably provided with two cross beams, wherein a yarn cylinder on a first cross beam is a first yarn cylinder 41, a yarn cylinder on a second cross beam is a second yarn cylinder 42, the first yarn cylinder 41 and the second yarn cylinder 42 are coaxially arranged, an alarm mechanism 3 is arranged above the first yarn cylinder 41, and a yarn twisting mechanism 2 and the alarm mechanism 3 are arranged above the second yarn cylinder 42; in the threading process, the yarn 44 of the first yarn cylinder 41 passes through the alarm mechanism 3, then passes out from the middle of the second yarn cylinder 42, then passes through the yarn guide hook 15, and the yarn end is connected to corresponding equipment; the yarn 44 of the second yarn drum 42 passes through the yarn twisting ring 22 and then sequentially passes through the alarm mechanism 3 and the yarn guide hook 15, and the thread ends are connected with corresponding equipment; in the yarn twisting process, the device is started, the yarn 44 of the first yarn cylinder 41 is used as a main yarn, the device drives the main yarn to move, so that the main yarn is conveyed linearly, the yarn 44 of the second yarn cylinder 42 is used as an auxiliary yarn, the device drives the auxiliary yarn to move, the auxiliary yarn is stuck on the yarn twisting support rod 21 and then passes out of the yarn twisting ring 22, and the tension expanding outwards of the yarn 44 is enclosed by the yarn twisting ring 22, so that the auxiliary yarn is also rotated while being stretched upwards, and the auxiliary yarn drives the main yarn to rotate, thereby realizing yarn twisting operation; the alarm mechanism 3 and the yarn twisting mechanism 2 run synchronously, and when yarn breakage occurs, the alarm 35 alarms, and the yarn twisting device stops working.
Embodiment two: the yarn mixing rack is preferably provided with three cross beams, wherein a yarn cylinder on a first cross beam is a first yarn cylinder 41, a yarn cylinder on a second cross beam is a second yarn cylinder 42, a yarn cylinder on a third cross beam is a third yarn cylinder 43, the first yarn cylinder 41, the second yarn cylinder 42 and the third yarn cylinder are coaxially arranged, an alarm mechanism 3 is arranged above the first yarn cylinder 41, a yarn twisting mechanism 2 and an alarm mechanism 3 are arranged above the second yarn cylinder 42, and an alarm mechanism 3 is arranged above the third yarn cylinder 43; in the threading process, the yarn 44 of the first yarn cylinder 41 passes through the alarm mechanism 3, then passes out from the middle of the second yarn cylinder 42 and the third yarn cylinder 43, then passes through the yarn guide hook 15, and the yarn end is connected to corresponding equipment; the yarn 44 of the second yarn cylinder 42 passes through the yarn twisting ring 22 and then sequentially passes through the alarm mechanism 3, the third yarn cylinder 43 and the yarn guide hook 15, and the thread ends are connected to corresponding equipment; the yarn 44 of the third yarn cylinder 43 passes through the alarm mechanism 3, then passes through the yarn guide hook 15, and the thread ends are connected to corresponding equipment; in the yarn twisting process, starting equipment, wherein the equipment drives yarns of the first yarn cylinder 41 to move so that the yarns of the first yarn cylinder 41 are conveyed in a straight line; the device drives the yarn of the second yarn cylinder 42 to move, the yarn 44 is abutted against the yarn twisting support rod 21 and then passes out of the yarn twisting ring 22, and the tension of outward expansion of the yarn 44 is enclosed by the yarn twisting ring, so that the yarn 44 of the second yarn cylinder 42 is also rotated while being upwards stretched, the yarn 44 of the second yarn cylinder 42 further drives the yarn of the first yarn cylinder 41 to rotate, and the yarn twisting operation of the yarn of the first yarn cylinder 41 and the yarn twisting operation of the yarn of the second yarn cylinder 42 are realized, and the yarn after twisting is the main yarn; the yarn 44 of the third yarn cylinder 43 is an auxiliary yarn, the main yarn passes through the third yarn cylinder 43, the rotating main yarn drives the auxiliary yarn to rotate, the yarn twisting operation of the main yarn and the auxiliary yarn is further realized, the alarm mechanism 3 and the yarn twisting mechanism 2 synchronously operate, and when yarn breakage occurs, the alarm 35 gives an alarm, and the yarn twisting device stops working.
While the basic principles and main features of the present invention and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (3)
1. A yarn twisting device, characterized in that: the yarn twisting device comprises a yarn mixing rack, yarn twisting mechanisms and alarm mechanisms, wherein at least two cross beams are arranged on the yarn mixing rack, at least two mounting frames are arranged on each cross beam, the yarn twisting mechanisms are rotatably arranged on the mounting frames, the top of each yarn twisting mechanism is provided with one alarm mechanism, the yarn twisting mechanisms twist at least two yarns into one yarn, and when any one alarm mechanism detects yarn breakage, the alarm mechanism gives an alarm and controls the yarn twisting device to stop working;
the yarn twisting mechanism comprises a yarn twisting supporting rod and a yarn twisting ring, wherein a first convex ring, a second convex ring and a third convex ring are sequentially arranged on the outer wall of the yarn twisting supporting rod at intervals from top to bottom, and the yarn twisting ring is sleeved between the first convex ring and the second convex ring in a sliding manner; the bottom end of the twisting yarn supporting rod is provided with a connecting rod, and the twisting yarn supporting rod is rotatably arranged on the mounting frame through the connecting rod; the top of the yarn twisting supporting rod is provided with a first mounting hole for mounting an alarm mechanism;
the yarn mixing rack comprises a support frame, cross beams, mounting frames, yarn hook cross beams and yarn guiding hooks, wherein three cross beams which are arranged up and down at intervals are arranged on the support frame, at least two mounting frames which are distributed left and right at intervals are arranged on each cross beam, the yarn hook cross beams are arranged at the top of the support frame, and at least two yarn guiding hooks which are distributed left and right at intervals are arranged on the yarn hook cross beams;
when the yarn mixing rack with two cross beams is provided, a yarn cylinder on a first cross beam is a first yarn cylinder, a yarn cylinder on a second cross beam is a second yarn cylinder, the first yarn cylinder and the second yarn cylinder are coaxially arranged, an alarm mechanism is arranged above the first yarn cylinder, and a yarn twisting mechanism and an alarm mechanism are arranged above the second yarn cylinder; the threading process comprises the steps that the yarn of the first yarn barrel passes through the alarm mechanism, then passes out from the middle of the second yarn barrel, then passes through the yarn guide hook, and the thread end is connected to corresponding equipment; the yarn of the second yarn cylinder passes through the yarn twisting ring and then sequentially penetrates into the alarm mechanism and the yarn guiding hook, and the yarn end is connected to corresponding equipment; the yarn twisting process starts the equipment, the yarn of the first yarn cylinder is the main yarn, the equipment drives the main yarn to move, the main yarn is kept to be conveyed linearly, the yarn of the second yarn cylinder is the auxiliary yarn, the equipment drives the auxiliary yarn to move, the auxiliary yarn is stuck to the twisting yarn supporting rod and then passes out of the twisting yarn ring, the tension of outward expansion of the yarn is enclosed by the twisting yarn ring, so that the auxiliary yarn is rotated while being stretched upwards, and the auxiliary yarn drives the main yarn to rotate, thereby realizing the yarn twisting operation; the alarm mechanism and the yarn twisting mechanism synchronously operate, and when yarn breakage occurs, the alarm gives an alarm, and the yarn twisting device stops working.
2. The yarn twisting device according to claim 1, wherein the alarm mechanism comprises a first porcelain eye, a second porcelain eye, a third porcelain eye, a swinging rod and an alarm, the side wall of the alarm is sequentially provided with the first porcelain eye, the second porcelain eye and the third porcelain eye at intervals from top to bottom, and the top end of the swinging rod is rotatably connected with the side wall of the alarm.
3. The yarn twisting device according to claim 1, wherein one end of the mounting frame is fixedly connected with the cross beam, the other end of the mounting frame is provided with a barrel frame for placing yarn barrels, the bottom of the barrel frame is fixedly connected with the mounting frame, and the top of the barrel frame is provided with a second mounting hole for mounting a yarn twisting mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810052858.0A CN108060478B (en) | 2018-01-19 | 2018-01-19 | Yarn twisting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810052858.0A CN108060478B (en) | 2018-01-19 | 2018-01-19 | Yarn twisting device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108060478A CN108060478A (en) | 2018-05-22 |
CN108060478B true CN108060478B (en) | 2023-05-23 |
Family
ID=62141826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810052858.0A Active CN108060478B (en) | 2018-01-19 | 2018-01-19 | Yarn twisting device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108060478B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109402808B (en) * | 2018-12-31 | 2023-11-28 | 郑州登电玄武石纤有限公司 | Basalt fiber twisting device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1061815A (en) * | 1990-11-27 | 1992-06-10 | 富地正招 | Springy compound filaments and manufacture method thereof |
CN1245841A (en) * | 1998-08-24 | 2000-03-01 | 村田机械株式会社 | Single-spindle driven fibre machine |
CN101245510A (en) * | 2007-02-15 | 2008-08-20 | 四川省宜宾惠美线业有限责任公司 | Direct twisting type twisting technique |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3040261U (en) * | 1997-02-05 | 1997-08-15 | 株式会社ヤマダ | Double twister type compound yarn mixing machine |
JP2012132131A (en) * | 2010-12-24 | 2012-07-12 | Toray Opelontex Co Ltd | Knot yarn and method for manufacturing the same |
CN202226993U (en) * | 2011-06-16 | 2012-05-23 | 萧惠玲 | Improved yarn cylinder set |
CN202193920U (en) * | 2011-07-19 | 2012-04-18 | 绍兴县群方机械有限公司 | Simple weft yarn tension device |
CN105568461A (en) * | 2016-02-02 | 2016-05-11 | 宁波大千纺织品有限公司 | Manufacturing method for fancy fabric |
CN206109681U (en) * | 2016-09-19 | 2017-04-19 | 江苏景盟针织企业有限公司 | Twist yarn device reaches knitting machine including this twist yarn device |
CN206385314U (en) * | 2017-01-16 | 2017-08-08 | 泉州精准机械有限公司 | A kind of convenient broken yarn self-stop device of threading |
CN207760476U (en) * | 2018-01-19 | 2018-08-24 | 泉州精准机械有限公司 | A kind of twisting apparatus |
-
2018
- 2018-01-19 CN CN201810052858.0A patent/CN108060478B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1061815A (en) * | 1990-11-27 | 1992-06-10 | 富地正招 | Springy compound filaments and manufacture method thereof |
CN1245841A (en) * | 1998-08-24 | 2000-03-01 | 村田机械株式会社 | Single-spindle driven fibre machine |
CN101245510A (en) * | 2007-02-15 | 2008-08-20 | 四川省宜宾惠美线业有限责任公司 | Direct twisting type twisting technique |
Also Published As
Publication number | Publication date |
---|---|
CN108060478A (en) | 2018-05-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108060478B (en) | Yarn twisting device | |
CN207760476U (en) | A kind of twisting apparatus | |
CN111320028A (en) | Weaving equipment pay-off with buffer function | |
CN211971329U (en) | Yarn barrel storage rack of twisting machine | |
CN217651358U (en) | Nylon spinning guide wire hook installation corrector | |
CN2861197Y (en) | Computer accurate control air lapping spinner | |
CN215560899U (en) | Production device of double-coated yarn | |
CN205741401U (en) | A kind of bursting device of sectional warper | |
CN212893170U (en) | Yarn cleaner for bobbin winder | |
CN205062289U (en) | Different silk throwing of two -for -one twister is prevented moving back sth. made by twisting and is beaten twist thigh mechanism | |
CN210064748U (en) | Portable polyester yarn winding device | |
CN210594674U (en) | Yarn barrel device for textile machinery based on intelligent control of servo assembly | |
CN208309058U (en) | A kind of spinning machinery easy to use spinning can rack | |
CN203960458U (en) | A kind of yarn is coiled into device | |
CN205442240U (en) | Silk winder | |
CN202717915U (en) | Falling needle rotating route limit mechanism of two-for-one twister | |
CN221094456U (en) | Knitting device of flat knitting machine | |
CN215947531U (en) | Rapier weaving machine yarn section of thick bamboo placer convenient to change | |
CN203420022U (en) | Spinning and winding machine | |
CN211339806U (en) | Automatic yarn clamping device of doubling winder | |
CN221117768U (en) | Spindle anti-skid device of semi-worsted comber | |
CN221837168U (en) | Fixing device convenient for replacing wire barrel on twisting machine | |
CN219907988U (en) | Warping machine for DTY (draw textured yarn) | |
CN212771146U (en) | Yarn guide device for elasticizer | |
CN211521205U (en) | Large-scale elasticity card line mechanism for pine line frame |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |