CN222893309U - Sewing thread multi-strand twisting equipment and production line - Google Patents
Sewing thread multi-strand twisting equipment and production line Download PDFInfo
- Publication number
- CN222893309U CN222893309U CN202421922991.4U CN202421922991U CN222893309U CN 222893309 U CN222893309 U CN 222893309U CN 202421922991 U CN202421922991 U CN 202421922991U CN 222893309 U CN222893309 U CN 222893309U
- Authority
- CN
- China
- Prior art keywords
- sewing thread
- motor
- screw rod
- supporting rod
- lower shell
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to the technical field of two-for-one twisters, in particular to a multi-strand twisting device for sewing threads and a production line thereof, which comprises an operation table, wherein the top of the operation table is provided with the two-for-one twister. According to the utility model, the lower shell, the cleaning roller and the first driving mechanism are arranged in the lower shell, so that the sewing thread can penetrate through the lower shell, the sewing thread can be cleaned automatically, the dust, the flock and other impurities cleaned by the dust collector can be directly sucked away in the cleaning process, and the lower shell can reciprocate on the limiting rod, so that the sewing thread can be wound on the take-up cylinder more uniformly.
Description
Technical Field
The utility model relates to the technical field of two-for-one twisters, in particular to a multi-strand twisting device for a sewing thread and a production line thereof.
Background
The double-twisting machine is a twisting equipment, and is characterized by that it is a doubling equipment, and the multi-strand is combined into one strand, and the high-quality sewing thread adopts the doubling and twisting process, and said process uses the double-twisting machine to make two strands of monofilaments undergo the process of primary twisting, then put them into the double-twisting machine, and can implement one-turn double twisting, and its twisting efficiency can be raised by times compared with traditional twisting equipment, its package capacity can be raised, and its twisting quality can be greatly raised.
A large number of searches show that the special column of China patent No. CN221028849U is a multi-strand twisting device for sewing threads, solves the problems that in the prior art, a winding roller is inconvenient to detach and dust is inconvenient to clean by the twisting device, but the device processes dust from the outside aiming at dust generated in double twisting, namely, dust is processed in the working environment of a peripheral area when the device is solved, but the sewing threads in double twisting are not cleaned in winding, and impurities such as lint thread heads, flocks and dust are arranged on the surfaces of the sewing threads in double twisting, if the impurities are not cleaned, the impurities can directly float in the air, the surrounding environment is still influenced, the problem is not solved from the source, and the sewing threads are directly wound with the winding roller after passing through a guide roller, so that the sewing threads are inconvenient to uniformly wind on the winding roller.
Disclosure of utility model
The utility model aims to provide multi-strand twisting equipment for sewing threads, which solves the problems that in the prior art, the sewing threads are not cleaned in the double twisting process, and impurities such as lint thread ends, flocks and dust are arranged on the surfaces of the sewing threads in the double twisting process, and if the impurities are not cleaned, the impurities can directly float in the air, the surrounding environment can still be influenced, the problem is not solved from the source, and the sewing threads are directly wound with a winding roller after passing through a wire guide roller, so that the sewing threads are inconvenient to uniformly wind on the winding roller.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a sewing thread stranded equipment of twisting together, includes the operation panel, the top of operation panel is provided with two-for-one twister, its characterized in that, the surface of operation panel is close to the fixed mounting of position of tip, the surface rotation of fixed plate runs through there is the bracing piece, the surface cover of bracing piece is equipped with a receipts line section of thick bamboo, the surface of operation panel is provided with the auxiliary mechanism that supplementary receipts line section of thick bamboo carries out the rolling, auxiliary mechanism includes lower casing and screw rod, the surface of lower casing is provided with two cleaning rollers, the surface of cleaning rollers is provided with the brush hair, the surface of lower casing is provided with two cleaning rollers and carries out pivoted first actuating mechanism, the top block of lower casing has the upper casing, the screw rod rotates and runs through the fixed plate, the surface fixed mounting of fixed plate has the dead lever parallel with the screw rod, the screw rod screw thread runs through the lower casing, the dead lever slides and runs through the lower casing, the lateral wall of fixed plate is provided with the second actuating mechanism that actuating lever and screw rod carry out pivoted.
Preferably, a through groove for the penetration of the sewing thread is formed in the surface of the lower shell opposite to the position between the two cleaning rollers.
Preferably, the side wall of the fixed plate is fixedly provided with a dust collector, a dust inlet of the dust collector is communicated with a hose, and the hose is communicated with the upper shell.
Preferably, the first driving mechanism comprises a second motor, the second motor is fixedly arranged on the side wall of the lower shell, a transmission shaft is fixedly arranged at an output shaft port of the second motor, the transmission shaft is rotatably inserted into the lower shell, two worms are fixedly arranged on the surface of the transmission shaft, two cleaning rollers penetrate through rotating shafts in a fixed surface mode, the two cleaning rollers are rotatably connected with the lower shell through the rotating shafts, worm wheels are fixedly arranged on the surfaces of the rotating shafts, and the two worms are meshed with the two worm wheels respectively.
Preferably, the second driving mechanism comprises a first motor, the first motor is fixedly arranged on the side wall of the fixed plate, a first rotary table and a second rotary table are fixedly arranged on the surface of the supporting rod and the surface of the screw rod respectively, the first rotary table and the second rotary table are connected through belt transmission, and an output shaft port of the first motor is fixedly connected with the supporting rod.
Preferably, a first fixed disc is sleeved on the surface of the supporting rod near the position of the first rotary disc, threads are formed on the surface of the supporting rod far away from the position of the first rotary disc, and a second fixed disc is connected on the surface of the supporting rod relative to the threads in a threaded manner.
A production line comprises the sewing thread multi-strand twisting device.
The utility model has at least the following beneficial effects:
through setting up lower casing and the cleaning roller and the first actuating mechanism that set up in the inside casing down, can make the sewing thread run through lower casing to make the sewing thread receive the clearance automatically, and can directly utilize the dust that the dust catcher will clear up down, impurity such as batting to suck away at the clearance in-process, and the lower casing that sets up can be on the restriction pole reciprocating motion, and then conveniently make the sewing thread twine more even on a take-up section of thick bamboo.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic view of a first motor according to the present utility model;
FIG. 4 is a schematic view of a second retaining plate according to the present utility model;
FIG. 5 is a schematic view of the construction of a cleaning roller according to the present utility model;
FIG. 6 is a schematic diagram of the structure of FIG. 5A according to the present utility model.
In the figure, 1, an operation table; 2, a first motor, 3, a first rotary table, 4, a second rotary table, 5, a dust collector, 6, a hose, 7, an upper shell, 8, a first fixed disk, 9, a wire collecting cylinder, 10, a second fixed disk, 11, a supporting rod, 12, a limiting rod, 13, a screw rod, 14, a cleaning roller, 15, a lower shell, 16, a second motor, 17, a transmission shaft, 18, a worm wheel, 19, a rotating shaft, 20, a worm, 21 and a fixed plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Referring to fig. 1-6, a sewing thread multi-strand twisting device comprises an operation table 1, wherein a two-for-one twisting machine is arranged at the top of the operation table 1, and is characterized in that a fixed plate 21 is fixedly arranged at a position, close to the end, of the surface of the operation table 1, a supporting rod 11 is rotatably arranged on the surface of the fixed plate 21 in a penetrating manner, a winding drum 9 is sleeved on the surface of the supporting rod 11, an auxiliary mechanism for assisting the winding drum 9 to wind is arranged on the surface of the operation table 1, the auxiliary mechanism comprises a lower shell 15 and a screw 13, two cleaning rollers 14 are arranged on the surface of the lower shell 15, bristles are arranged on the surface of the cleaning rollers 14, a first driving mechanism for driving the two cleaning rollers 14 to rotate is arranged on the surface of the lower shell 15, an upper shell 7 is clamped at the top of the lower shell 15, the screw 13 rotatably penetrates through the fixed plate 21, a limiting rod 12 parallel to the screw 13 is fixedly arranged on the surface of the fixed plate 21, the screw 13 passes through the lower shell 15 in a threaded manner, the limiting rod 12 passes through the lower shell 15 in a sliding manner, a second driving mechanism for driving the supporting rod 11 and the screw 13 to rotate is arranged on the side wall of the fixing plate 21, the sewing thread passing through the two-for-one twister passes through the lower shell 15 and then is wound with the winding drum 9 in use, the second driving mechanism is started, the second driving mechanism drives the supporting rod 11 and the screw 13 to rotate, the rotation of the supporting rod 11 drives the winding drum 9 to rotate, the purpose of winding the sewing thread is achieved, the rotation of the screw 13 drives the lower shell 15 to reciprocate on the limiting rod 12, the sewing thread can be uniformly wound on the winding drum 9, and when the sewing thread passes through the lower shell 15, the cleaning roller 14 can be driven to rotate by the first driving rod mechanism inside the lower shell 15, thereby realizing the cleaning of the surface of the passing sewing thread.
Further, a through groove for the penetration of the sewing thread is provided on the surface of the lower case 15 with respect to the position between the two cleaning rollers 14, and the sewing thread can be penetrated through the lower case 15 by the provided through groove.
Further, the lateral wall fixed mounting of fixed plate 21 has dust catcher 5, and the dust inlet intercommunication of dust catcher 5 has hose 6, and hose 6 is linked together with last casing 7, and when the cleaning roller 14 rotated the clearance to the sewing thread, starts dust catcher 5, and dust catcher 5 utilizes hose 6 and last casing 7 to realize absorbing impurity, batting and the thread end that the clearance got off, improves the cleaning effect.
Further, the first driving mechanism comprises a second motor 16, the second motor 16 is fixedly arranged on the side wall of the lower shell 15, a transmission shaft 17 is fixedly arranged at an output shaft port of the second motor 16, the transmission shaft 17 is rotatably inserted into the lower shell 15, two worms 20 are fixedly arranged on the surface of the transmission shaft 17, the surfaces of the two cleaning rollers 14 fixedly penetrate through rotating shafts 19, the two cleaning rollers 14 are rotatably connected with the lower shell 15 through the rotating shafts 19, worm gears 18 are fixedly arranged on the surfaces of the two rotating shafts 19, the two worms 20 are respectively meshed with the two worm gears 18, the first driving mechanism directly starts the second motor 16 when in use, the second motor 16 drives the transmission shaft 17 to rotate, the transmission shaft 17 drives the two worms 20 to rotate, the two worm gears 18 are driven by the two worm gears 18 to rotate, and the two rotating shafts 19 and the cleaning rollers 14 are driven by the two worm gears 18, so that the sewing thread is cleaned.
Further, the second driving mechanism comprises a first motor 2, the first motor 2 is fixedly arranged on the side wall of the fixed plate 21, the surface of the supporting rod 11 and the surface of the screw 13 are respectively fixedly provided with a first rotating disc 3 and a second rotating disc 4, the first rotating disc 3 and the second rotating disc 4 are connected through belt transmission, an output shaft port of the first motor 2 is fixedly connected with the supporting rod 11, the second driving mechanism is used for starting the first motor 2, the first motor 2 drives the supporting rod 11 to rotate, the supporting rod 11 drives the first rotating disc 3 to rotate, the first rotating disc 3 drives the second rotating disc 4 to rotate through a belt, the second rotating disc 4 drives the screw 13 to rotate, therefore the supporting rod 11 can rotate the thread winding drum 9 and further play a role in winding the sewing thread, and the screw 13 can drive the lower shell 15 to reciprocate on the limiting rod 12, so that the sewing thread is uniformly wound on the surface of the thread winding drum 9.
Further, the fixed cover in position that the surface of bracing piece 11 is close to first carousel 3 is equipped with first fixed disk 8, the screw thread has been seted up to the position that the surface of bracing piece 11 kept away from first carousel 3, the surface of bracing piece 11 has second fixed disk 10 for the position threaded connection of screw thread, through set up first fixed disk 8 and second fixed disk 10 on bracing piece 11, establish the cover of a take-up section of thick bamboo 9 behind bracing piece 11, can realize the purpose of extruding a take-up section of thick bamboo 9 on first fixed disk 8 through the mode of rotating second fixed disk 10, and then make a take-up section of thick bamboo 9 follow bracing piece 11 synchronous rotation, moreover the convenience is dismantled a take-up section of thick bamboo 9.
A production line comprises the sewing thread multi-strand twisting device.
In summary, in use, the sewing thread passing through the two-for-one twister passes through the lower shell 15 and then winds the lower shell 15 with the thread take-up cylinder 9, the second driving mechanism is started, the second driving mechanism drives the supporting rod 11 and the screw 13 to rotate, the rotation of the supporting rod 11 drives the thread take-up cylinder 9 to rotate, the purpose of winding the sewing thread is achieved, the rotation of the screw 13 drives the lower shell 15 to reciprocate on the limiting rod 12, the sewing thread can be uniformly wound on the thread take-up cylinder 9, when the sewing thread passes through the lower shell 15, the cleaning roller 14 can be driven to rotate by the first driving rod mechanism inside the lower shell 15, so that the surface of the passing sewing thread is cleaned, the penetrating groove is arranged to enable the sewing thread to penetrate through the lower shell 15, and when the cleaning roller 14 rotates to clean the sewing thread, the dust collector 5 is started, the dust collector 5 utilizes the hose 6 and the upper shell 7 to absorb cleaned impurities, flocks and thread ends, the cleaning effect is improved, the first driving mechanism directly starts the second motor 16 in use, the second motor 16 drives the transmission shaft 17 to rotate, the transmission shaft 17 drives the two worms 20 to rotate, the two worms 20 drive the two worm gears 18 to rotate, the two worm gears 18 drive the two rotating shafts 19 and the cleaning roller 14 to rotate, thereby cleaning the sewing thread, the second driving mechanism starts the first motor 2 in use, the first motor 2 drives the supporting rod 11 to rotate, the supporting rod 11 drives the first rotating disc 3 to rotate, the first rotating disc 3 drives the second rotating disc 4 to rotate through a belt, the second rotating disc 4 drives the screw 13 to rotate, therefore, the supporting rod 11 can rotate the winding drum 9 to roll the sewing thread, the screw 13 can drive the lower shell 15 to reciprocate on the limiting rod 12, make the even winding of sewing thread at the surface of a take-up section of thick bamboo 9, through set up first fixed disk 8 and second fixed disk 10 on bracing piece 11, establish a take-up section of thick bamboo 9 cover behind bracing piece 11, can realize the purpose of extruding a take-up section of thick bamboo 9 on first fixed disk 8 through the mode of rotating second fixed disk 10, and then make a take-up section of thick bamboo 9 follow bracing piece 11 synchronous rotation, conveniently dismantle a take-up section of thick bamboo 9 moreover.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a sewing thread stranded device of twisting, includes operation panel (1), the top of operation panel (1) is provided with two-for-one twister, its characterized in that, the surface of operation panel (1) is close to the position fixed mounting of tip has fixed plate (21), the surface rotation of fixed plate (21) runs through there is bracing piece (11), the surface cover of bracing piece (11) is equipped with a take-up section of thick bamboo (9), the surface of operation panel (1) is provided with the auxiliary mechanism that supplementary take-up section of thick bamboo (9) carried out the rolling, auxiliary mechanism includes lower casing (15) and screw rod (13), the surface of lower casing (15) is provided with two cleaning roller (14), the surface of cleaning roller (14) is provided with the brush hair, the surface of lower casing (15) is provided with the first actuating mechanism that drives two cleaning roller (14) and rotates, the top block of lower casing (15) has upper casing (7), screw rod (13) rotate and run through fixed plate (21), the surface mounting of fixed plate (1) has the auxiliary mechanism that carries out the rolling with screw rod (13), the surface mounting of screw rod (15) is provided with restriction screw rod (12) parallel, lower casing (12) runs through the screw rod (15), the side wall of the fixed plate (21) is provided with a second driving mechanism for driving the supporting rod (11) and the screw rod (13) to rotate.
2. The sewing thread multi-ply twisting apparatus according to claim 1, wherein a through groove for the penetration of the sewing thread is provided on the surface of the lower case (15) with respect to a position between the two cleaning rollers (14).
3. The sewing thread multi-ply twisting apparatus according to claim 1, wherein a dust collector (5) is fixedly installed on a side wall of the fixing plate (21), a dust inlet of the dust collector (5) is communicated with a hose (6), and the hose (6) is communicated with the upper shell (7).
4. The sewing thread multi-strand twisting device according to claim 1, wherein the first driving mechanism comprises a second motor (16), the second motor (16) is fixedly installed on the side wall of the lower shell (15), a transmission shaft (17) is fixedly installed at an output shaft port of the second motor (16), the transmission shaft (17) is rotatably inserted into the lower shell (15), two worms (20) are fixedly installed on the surface of the transmission shaft (17), the surfaces of the two cleaning rollers (14) fixedly penetrate through rotating shafts (19), the two cleaning rollers (14) are rotatably connected with the lower shell (15) through the rotating shafts (19), worm gears (18) are fixedly installed on the surfaces of the two rotating shafts (19), and the two worms (20) are respectively meshed with the two worm gears (18).
5. The sewing thread multi-strand twisting device according to claim 1, wherein the second driving mechanism comprises a first motor (2), the first motor (2) is fixedly installed on the side wall of the fixed plate (21), a first rotary disc (3) and a second rotary disc (4) are fixedly installed on the surface of the supporting rod (11) and the surface of the screw rod (13) respectively, the first rotary disc (3) and the second rotary disc (4) are in transmission connection through a belt, and an output shaft port of the first motor (2) is fixedly connected with the supporting rod (11).
6. The sewing thread multi-strand twisting device according to claim 5, wherein a first fixing plate (8) is fixedly sleeved on the surface of the supporting rod (11) close to the first rotating plate (3), threads are formed on the surface of the supporting rod (11) far away from the first rotating plate (3), and a second fixing plate (10) is connected on the surface of the supporting rod (11) in a threaded manner relative to the position of the threads.
7. A production line comprising the sewing thread multi-ply cabling apparatus of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421922991.4U CN222893309U (en) | 2024-08-09 | 2024-08-09 | Sewing thread multi-strand twisting equipment and production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421922991.4U CN222893309U (en) | 2024-08-09 | 2024-08-09 | Sewing thread multi-strand twisting equipment and production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222893309U true CN222893309U (en) | 2025-05-23 |
Family
ID=95725496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421922991.4U Active CN222893309U (en) | 2024-08-09 | 2024-08-09 | Sewing thread multi-strand twisting equipment and production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222893309U (en) |
-
2024
- 2024-08-09 CN CN202421922991.4U patent/CN222893309U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112249812A (en) | Yarn evenly winds package and puts with clearance function | |
| CN112919234B (en) | Automatic unhairing limit spinning-yarn rolling machine based on textile processing | |
| CN222893309U (en) | Sewing thread multi-strand twisting equipment and production line | |
| CN216998740U (en) | Drafting device for spinning yarns | |
| CN218711113U (en) | Two-for-one twister for spinning equipment with uniform winding | |
| CN214399334U (en) | Regeneration environmental protection yarn coiling mechanism | |
| CN223805201U (en) | A twisting device for producing low-elasticity yarn | |
| CN221318729U (en) | Cotton yarn bobbin capable of preventing dust from adhering | |
| CN218057962U (en) | Chemical fiber composite yarn texturing machine | |
| CN212688294U (en) | Composite twisting device | |
| CN223779682U (en) | Yarn guiding machine for fiber production | |
| CN222476859U (en) | Twisting device for high-efficiency production of nylon twisted yarn | |
| CN220132462U (en) | Winding preventing mechanism for drafting roller | |
| CN221593378U (en) | Yarn drying device for yarn production | |
| CN222665017U (en) | Cotton yarn collecting device for cotton yarn processing | |
| CN112499394A (en) | Two-way multiple linkage synchronous winding equipment based on textile processing | |
| CN218434226U (en) | Equipment for preparing DTY (draw textured yarn) nylon flat yarns from POY (polyester-oriented yarn) nylon yarns | |
| CN223837658U (en) | A type of easy-to-form edgeless chemical fiber twisting machine | |
| CN216785299U (en) | Coiling device for spinning frame | |
| CN215047677U (en) | Production of woollen sweater is with wastrel yarn recovery unit | |
| CN221501320U (en) | Carding machine for cotton yarn processing and preventing cotton yarn from adhering | |
| CN224046715U (en) | A textile equipment for spinning and finishing. | |
| CN222743771U (en) | Conveying mechanism for coated yarn production | |
| CN220619237U (en) | Drafting structure of semi-worsted roving frame | |
| CN219079732U (en) | Improved chenille yarn combing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |