CN218826379U - Wire and cable stirring type oil filter - Google Patents
Wire and cable stirring type oil filter Download PDFInfo
- Publication number
- CN218826379U CN218826379U CN202223414529.7U CN202223414529U CN218826379U CN 218826379 U CN218826379 U CN 218826379U CN 202223414529 U CN202223414529 U CN 202223414529U CN 218826379 U CN218826379 U CN 218826379U
- Authority
- CN
- China
- Prior art keywords
- wire
- fixedly connected
- motor
- cable
- cavity
- 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
- 238000003756 stirring Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 238000004804 winding Methods 0.000 claims abstract description 33
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a wire and cable stirring type oil passing machine, relating to the technical field of wire and cable production; the winding machine comprises a machine body, a first cavity and a second cavity are formed in the machine body, a driving mechanism, a paying-off mechanism and a winding mechanism are arranged in the first cavity, a winding mechanism is arranged in the second cavity, the driving mechanism comprises a connecting frame and a driving motor, a first motor and a second motor are fixedly arranged in the connecting frame, and the output end of the first motor and the output end of the second motor are respectively used for driving the paying-off mechanism and the winding mechanism to rotate. The utility model discloses a driving motor who sets up can drive the connecting box and rotate to drive the paying out machine structure that the connecting box both sides set up respectively and the winding mechanism that admission machine and connecting box bottom set up and rotate, make inside oil and the cable of second cavity stirred, wire and cable in the winding mechanism is abundant with the oil contact, and the oily effect of mistake is better.
Description
Technical Field
The utility model relates to a wire and cable production technical field specifically is a wire and cable stirring formula crosses oil machine.
Background
Tinning of a copper wire can prevent insulating rubber from being sticky, a wire core becomes black and brittle, the solderability of the wire core is improved, a tinned copper wire is mainly used as a conductive wire core for rubber-insulated mining cables, flexible wires, flexible cables, marine cables and the like, and in the production process of the wire cable, the wire conductor or the wire core is subjected to oiling treatment in order to peel off an insulating layer of the cable, so that the cable is immersed in oil after passing through an oil groove. In the existing cable oiling process, the problems of poor oil quantity control, uneven oiling, waste oil quantity and the like exist frequently, and the need of further improvement is seen.
For example, the electric wire and cable stirring type oil passing machine disclosed in the patent application number "201920580645.5" of the chinese utility model is a common oil passing machine on the market.
However, most of the oil passing modes of the oil passing machine cannot drive the electric wire and cable (cable) to move in the oil passing machine, so that the overall oil passing effect of the electric wire and cable is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil machine is crossed to wire and cable stirring formula to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a wire and cable stirring type oil passing machine comprises a machine body, wherein a first cavity and a second cavity are formed in the machine body;
a driving mechanism, a pay-off mechanism and a take-up mechanism are arranged in the first cavity, and a winding mechanism is arranged in the second cavity;
the driving mechanism comprises a connecting frame and a driving motor, a first motor and a second motor are fixedly installed inside the connecting frame, and the output end of the first motor and the output end of the second motor are respectively used for driving the pay-off mechanism and the take-up mechanism to rotate;
the connecting frame bottom fixedly connected with connecting plate, the connecting plate fixed mounting be in wire winding mechanism top, driving motor is used for driving the connecting frame rotates.
Preferably, the winding mechanism comprises a connecting block fixedly connected with the connecting plate, a third through hole is formed in the connecting block, circular rings are symmetrically formed in the bottom of the connecting block, and a plurality of first rotating rings are movably connected between the two circular rings.
Preferably, the pay-off mechanism comprises a supporting plate fixedly connected to the output end of the first motor, a plurality of first through holes and second through holes are annularly formed in the supporting plate, the first through holes are communicated with the second through holes, a sliding rod is slidably connected inside the first through holes, a limiting block is fixedly connected to one end, close to the supporting plate, of the sliding rod, and the limiting block is slidably connected inside the second through holes;
the one end fixedly connected with screw rod of connection frame is kept away from to the backup pad, the one end spiro union that the backup pad was kept away from to the screw rod has the screw thread ring, the one end fixedly connected with awl post that the backup pad was kept away from to the screw thread ring.
Preferably, the take-up mechanism comprises a first baffle fixedly connected with the output end of the second motor, a supporting shaft is fixedly connected with one end, far away from the connecting frame, of the first baffle, and a second baffle is arranged at one end, far away from the first baffle, of the supporting shaft.
Preferably, the machine body is fixedly connected with a connecting pipe, and the connecting pipe is provided with a booster pump.
Preferably, one side fixedly connected with telescopic link that the connecting plate is close to admission machine, the one end fixedly connected with that the connecting plate was kept away from to the telescopic link is put the thing piece.
Preferably, the first baffle is fixedly connected with a clamping block, and the clamping block is provided with a trapezoidal groove.
Preferably, one end of the driving motor, which is far away from the connecting frame, is fixedly connected with a lifting rod, and the lifting rod is fixedly connected with the inner top wall of the machine body.
Preferably, the top of the machine body is symmetrically hinged with a machine cover, and the bottom of the machine body is fixedly connected with a base.
Compared with the prior art, the beneficial effects of the utility model are that:
this oil machine is crossed to wire and cable stirring formula, driving motor through setting up, can drive the connecting frame and rotate, thereby it rotates to drive the paying out machine that the connecting frame both sides set up respectively and take-up mechanism and the winding mechanism that the connecting frame bottom set up, wire and cable is around on winding mechanism, and then can make the inside oil of second cavity and the cable of infiltration in oil be driven simultaneously and rotate the stirring, wire and cable in the winding mechanism is abundant and the oil contact, it is better to cross the oil effect, through two rings that set up in winding mechanism, swing joint's a plurality of first rotating ring between two rings, wire and cable's area of contact with winding mechanism has been reduced, can make wire and cable fully contact with the oil in the second cavity, oil processing is crossed in better completion.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of the oil passing machine of the present invention;
fig. 2 is a schematic view of a three-dimensional sectional structure of the oil passing machine of the present invention;
fig. 3 is a schematic diagram of the internal structure of the oil passing machine of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the pay-off mechanism of the present invention;
fig. 5 is a schematic view of the three-dimensional splitting structure of the pay-off mechanism of the present invention;
fig. 6 is a schematic perspective view of the winding mechanism of the present invention;
fig. 7 is a schematic view of a three-dimensional structure of the take-up mechanism of the present invention;
fig. 8 is a schematic view of a three-dimensional splitting structure of the take-up mechanism of the present invention;
fig. 9 is a schematic view of the three-dimensional splitting structure of the driving mechanism of the present invention.
In the figure: 1. a base; 2. a body; 201. a first cavity; 202. a second cavity; 203. a machine cover; 3. a drive mechanism; 301. a lifting rod; 302. a drive motor; 303. a first motor; 304. a second motor; 305. a connecting frame; 4. a pay-off mechanism; 401. a support plate; 402. a first through hole; 403. a slide bar; 404. a screw; 405. a threaded ring; 406. a conical column; 407. a second through hole; 408. a limiting block; 5. a winding mechanism; 501. connecting blocks; 502. a third through hole; 503. a circular ring; 504. a first rotating ring; 505. a second rotating ring; 506. a third rotating ring; 6. a take-up mechanism; 601. a first baffle plate; 602. a clamping block; 603. a trapezoidal groove; 604. a support shaft; 605. a second baffle; 606. a threaded rod; 7. a telescopic rod; 701. placing the object blocks; 8. a connecting pipe; 801. a booster pump; 9. a connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
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 or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
As shown in fig. 1-3 and fig. 9, the utility model provides a technical solution: a wire and cable stirring type oil passing machine comprises a machine body 2, wherein the top of the machine body 2 is symmetrically hinged with a machine cover 203, the bottom of the machine body 2 is fixedly connected with a base 1, a first cavity 201 and a second cavity 202 are formed in the machine body 2, a driving mechanism 3, a pay-off mechanism 4 and a take-up mechanism 6 are arranged in the first cavity 201, and a winding mechanism 5 is arranged in the second cavity 202; fixedly connected with connecting pipe 8 on organism 2 is provided with booster pump 801 on connecting pipe 8, and the both ends of connecting pipe 8 all with 2 lateral wall fixed connection of organism, and inside the both ends of connecting pipe 8 all were located second cavity 202, what need know is that setting up of connecting pipe 8 can spray the processing to wire and cable for wire and cable's oily effect of mistake is better.
The driving mechanism 3 comprises a connecting frame 305 and a driving motor 302, one end, far away from the connecting frame 305, of the driving motor 302 is fixedly connected with a lifting rod 301, the lifting rod 301 is fixedly connected with the inner top wall of the machine body 2, the lifting rod 301 can be conveniently operated when a coiled electric wire is wound on the paying-off mechanism 4, a first motor 303 and a second motor 304 are fixedly installed inside the connecting frame 305, and the output end of the first motor 303 and the output end of the second motor 304 are respectively used for driving the paying-off mechanism 4 and the take-up mechanism 6 to rotate;
connecting frame 305 bottom fixedly connected with connecting plate 9, connecting plate 9 fixed mounting are at 5 tops of wire winding mechanism, and driving motor 302 is used for driving connecting frame 305 to rotate.
As shown in fig. 6, the winding mechanism 5 includes a connecting block 501 fixedly connected to the connecting plate 9, a third through hole 502 is formed in the connecting block 501, rings 503 are symmetrically formed in the bottom of the connecting block 501, and a plurality of first rotating rings 504 are movably connected between the two rings 503. A plurality of circular shafts are fixedly connected between the two circular rings 503 in an annular manner, the first rotating ring 504 is movably sleeved on the circular shafts, it is required to be known that one side of the third through hole 502 is symmetrically and fixedly connected with a second rotating ring 505, and the other side of the third through hole is symmetrically and fixedly connected with a third rotating ring 506, the electric wire and the electric cable pass through the two second rotating rings 505, and pass through the two third rotating rings 506 after passing through the plurality of first rotating rings 504 which are movably connected between the two circular rings 503. It should be noted that the second rotating ring 505 and the third rotating ring 506 are provided to enable the cable to be tightly attached to one side of the first rotating ring 504 (the cable is always located on one side of the first rotating ring 504 away from the circular ring 503), and the radius of the first rotating ring 504 is smaller than the ring width of the circular ring 503, so that the cable is not easy to slip out between the two circular rings 503.
As shown in fig. 4-5, the pay-off mechanism 4 includes a supporting plate 401 fixedly connected to the output end of the first motor 303, the supporting plate 401 is annularly provided with a plurality of first through holes 402 and second through holes 407, the first through holes 402 are communicated with the second through holes 407, a sliding rod 403 is slidably connected inside the first through holes 402, one end of the sliding rod 403 close to the supporting plate 401 is fixedly connected with a limiting block 408, and the limiting block 408 is slidably connected inside the second through holes 407; it should be noted that the limiting block 408 can only slide in the second through hole 407 in a direction perpendicular to the axis of the supporting plate 401, and therefore, the moving direction of the sliding rod 403 fixedly connected to the limiting block 408 in the first through hole 402 is perpendicular to the axis of the supporting plate 401.
One end of the support plate 401 far away from the connection frame 305 is fixedly connected with a screw rod 404, one end of the screw rod 404 far away from the support plate 401 is screwed with a threaded ring 405, and one end of the threaded ring 405 far away from the support plate 401 is fixedly connected with a conical column 406. It should be explained here that, because the holes in the middle of the coil of wire and cable are different in size, the threaded ring 405 can be screwed to move left and right on the screw 404, so as to drive the conical column 406 to slide on the screw 404 (the radius of the bottom surface of the conical column 406 near one end of the support plate 401 is smaller than that of the bottom surface of the other end), one end of each of the plurality of sliding rods 403 is supported by the conical column 406, and when the conical column 406 moves toward the support plate 401, the plurality of sliding rods 403 move away from each other, so as to retain the coiled wire and cable, and the coiled wire and cable can rotate along with the first motor 303.
As shown in fig. 7-8, the wire rewinding mechanism 6 includes a first baffle 601 fixedly connected to an output end of the second motor 304, a clamping block 602 is fixedly connected to the first baffle 601, a trapezoidal groove 603 is formed in the clamping block 602, a supporting shaft 604 is fixedly connected to an end of the first baffle 601 far away from the connecting frame 305, and a second baffle 605 is disposed at an end of the supporting shaft 604 far away from the first baffle 601.
One side fixedly connected with telescopic link 7 that connecting plate 9 is close to admission machine 6, and the one end fixedly connected with that connecting plate 9 was kept away from to telescopic link 7 puts thing piece 701. It should be noted that, the electric wires and cables come out from the winding mechanism 5 and pass through the object placing block 701 and then enter the winding upper supporting shaft 604, and the wire ends of the electric wires and cables are clamped inside the trapezoidal groove 603, in the winding process, the telescopic rod 7 drives the object placing block 701 to move horizontally, so that the electric wires and cables after being oiled can be uniformly wound on the supporting shaft 604, after the winding is completed, the second baffle plate 605 is screwed off (it should be noted that one side of the second baffle plate 605, which is close to the supporting shaft 604, is fixedly connected with the threaded rod 606, one side of the supporting shaft 604, which is close to the second baffle plate 605, is provided with a threaded groove, the threaded rod 606 is screwed into the threaded groove for retaining the second baffle plate 605), and the electric wires and cables wound after being oiled are taken out to complete the oiling treatment.
Specifically, the lifting rod 301 rises, the mechanism inside the machine body 2 is driven to rise integrally, the coiled wire and cable are placed on the paying-off mechanism 4, the wire end is pulled out, the winding mechanism 5 is bypassed, the coiled wire and cable pass through the object placing block 701, the winding mechanism 6 is finally placed on the completion, the lifting rod 301 descends, the winding mechanism 5 enters the second cavity 202 (the second cavity 202 is filled with oil), the first motor 303 and the second motor 304 rotate, the paying-off mechanism 4 arranged at the output end of the first motor 303 and the winding mechanism 6 arranged at the output end of the second motor 304 are driven to rotate respectively, meanwhile, the driving motor 302 rotates through driving the connecting frame 305, the paying-off mechanism 4 can be driven, the winding mechanism 6 and the winding mechanism 5 rotate synchronously, the rotating process of the winding mechanism 5 is achieved, the stirring effect is achieved, the wire and cable soaked inside the second cavity 202 can be fully contacted, and the oil treatment of the wire and cable is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an oil machine is crossed to wire and cable stirring formula, includes organism (2), its characterized in that: a first cavity (201) and a second cavity (202) are formed in the machine body (2);
a driving mechanism (3), a pay-off mechanism (4) and a take-up mechanism (6) are arranged in the first cavity (201), and a winding mechanism (5) is arranged in the second cavity (202);
the driving mechanism (3) comprises a connecting frame (305) and a driving motor (302), a first motor (303) and a second motor (304) are fixedly installed in the connecting frame (305), and the output end of the first motor (303) and the output end of the second motor (304) are respectively used for driving the pay-off mechanism (4) and the take-up mechanism (6) to rotate;
the bottom of the connecting frame (305) is fixedly connected with a connecting plate (9), the connecting plate (9) is fixedly installed at the top of the winding mechanism (5), and the driving motor (302) is used for driving the connecting frame (305) to rotate.
2. The wire and cable stirring type oil passing machine according to claim 1, characterized in that: wire winding mechanism (5) include with connecting plate (9) fixed connection's connecting block (501), third through-hole (502) have been seted up on connecting block (501), ring (503) have been seted up to connecting block (501) bottom symmetry, two swing joint has a plurality of first rotating ring (504) between ring (503).
3. The wire and cable stirring type oil passing machine according to claim 1, characterized in that: the paying-off mechanism (4) comprises a supporting plate (401) fixedly connected to the output end of a first motor (303), a plurality of first through holes (402) and second through holes (407) are annularly formed in the supporting plate (401), the first through holes (402) are communicated with the second through holes (407), a sliding rod (403) is slidably connected into the first through holes (402), a limiting block (408) is fixedly connected to one end, close to the supporting plate (401), of the sliding rod (403), and the limiting block (408) is slidably connected into the second through holes (407);
one end fixedly connected with screw rod (404) of connecting frame (305) is kept away from in backup pad (401), the one end spiro union that backup pad (401) was kept away from in screw rod (404) has screw thread ring (405), the one end fixedly connected with awl post (406) of backup pad (401) is kept away from in screw thread ring (405).
4. The wire and cable stirring type oil passing machine according to claim 1, characterized in that: the take-up mechanism (6) comprises a first baffle (601) fixedly connected with the output end of the second motor (304), a supporting shaft (604) is fixedly connected to one end, far away from the connecting frame (305), of the first baffle (601), and a second baffle (605) is arranged at one end, far away from the first baffle (601), of the supporting shaft (604).
5. The wire and cable stirring type oil passing machine according to claim 1, characterized in that: the engine body (2) is fixedly connected with a connecting pipe (8), and a booster pump (801) is arranged on the connecting pipe (8).
6. The wire and cable stirring type oil passing machine according to claim 1, characterized in that: one side of the connecting plate (9) close to the wire collecting mechanism (6) is fixedly connected with a telescopic rod (7), and one end of the telescopic rod (7) far away from the connecting plate (9) is fixedly connected with a placing block (701).
7. The wire and cable stirring type oil passing machine according to claim 4, wherein: the first baffle (601) is fixedly connected with a clamping block (602), and a trapezoidal groove (603) is formed in the clamping block (602).
8. The wire and cable stirring type oil passing machine according to claim 1, characterized in that: one end of the driving motor (302) far away from the connecting frame (305) is fixedly connected with a lifting rod (301), and the lifting rod (301) is fixedly connected with the inner top wall of the machine body (2).
9. The wire and cable stirring type oil passing machine according to claim 1, characterized in that: the top of the machine body (2) is symmetrically hinged with a machine cover (203), and the bottom of the machine body (2) is fixedly connected with a base (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223414529.7U CN218826379U (en) | 2022-12-20 | 2022-12-20 | Wire and cable stirring type oil filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223414529.7U CN218826379U (en) | 2022-12-20 | 2022-12-20 | Wire and cable stirring type oil filter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218826379U true CN218826379U (en) | 2023-04-07 |
Family
ID=87252977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202223414529.7U Active CN218826379U (en) | 2022-12-20 | 2022-12-20 | Wire and cable stirring type oil filter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN218826379U (en) |
-
2022
- 2022-12-20 CN CN202223414529.7U patent/CN218826379U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209748076U (en) | Auxiliary device for cable peeling | |
CN109411157B (en) | Wire stranding equipment for producing wires and cables | |
CN213864776U (en) | Cable processing cable coiling device | |
CN210052641U (en) | Winding device for transformer iron core | |
CN112660922A (en) | Coiling mechanism for cable manufacture | |
CN204603146U (en) | The stranded forming machine of preformed armor rods | |
CN218826379U (en) | Wire and cable stirring type oil filter | |
CN110125196B (en) | Production equipment for cables | |
CN212724834U (en) | A stranding machine for cable manufacture | |
CN212049925U (en) | Wire winding device | |
CN212503345U (en) | Coiling mechanism for cable manufacture | |
CN111863355B (en) | Wire twisting machine for cable manufacturing | |
CN214569701U (en) | Wire guiding device of winding machine | |
CN108163593B (en) | Winding device for conducting wire | |
CN217767954U (en) | Fixing device for cabling machine | |
CN219123030U (en) | Armoured leveling mechanism for shielded cable | |
CN212608681U (en) | Cable looping machine that cable product was used | |
CN110767385A (en) | Automatic wire twisting machine for production of marine waterproof cable | |
CN217100573U (en) | Copper wire wrapping equipment for electronic component | |
CN216918095U (en) | Automatic wire arranging device | |
CN214217747U (en) | Winding displacement device is used in production of special cable of manipulator | |
CN213185292U (en) | Rotary pay-off rack applicable to cables of different specifications | |
CN214610770U (en) | Cell-phone charging wire automatic coil winding machine | |
CN211141134U (en) | Shielding cable winding and packaging device | |
CN210286282U (en) | Take-up device for cable production |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |