CN214458501U - Carding machine coiling mechanism - Google Patents
Carding machine coiling mechanism Download PDFInfo
- Publication number
- CN214458501U CN214458501U CN202120586201.XU CN202120586201U CN214458501U CN 214458501 U CN214458501 U CN 214458501U CN 202120586201 U CN202120586201 U CN 202120586201U CN 214458501 U CN214458501 U CN 214458501U
- Authority
- CN
- China
- Prior art keywords
- carding
- frame
- rotating shaft
- belt
- winding
- 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
Landscapes
- Preliminary Treatment Of Fibers (AREA)
Abstract
The utility model provides a winding device of a carding machine, which comprises a left frame, a winding mechanism, a lower surface carding mechanism, an upper surface carding mechanism and a right frame; the left frame and the right frame are respectively arranged at the lower part of the left side surface and the lower part of the right side surface of the carding machine, and the upper end surfaces of the left frame and the right frame are respectively provided with a first supporting seat, a second supporting seat and a third supporting seat from back to front in sequence; the winding mechanism comprises a winding roller, an upper tightness adjusting mechanism is arranged on the upper side of the outer ring surface of the winding roller, a left tightness adjusting mechanism is arranged on the rear side of the outer ring surface of the winding roller, and a lower tightness adjusting mechanism is arranged on the lower side of the outer ring surface of the winding roller. Above-mentioned technical scheme is through setting up multiunit tight regulation mechanism on roll-up mechanism, and the compress wheel carries out elasticity suppression on the surface of roll-up roller, avoids the spiral arch, guarantees that the roll-up is neat.
Description
Technical Field
The utility model relates to a carding machine, especially a carding machine coiling mechanism belong to spinning machine technical field.
Background
The carding machine is a spinning machine which divides the spinning raw material after primary processing into single fiber state, forms a net fiber thin layer, and then assembles into fiber strips.
However, the existing carding machine is not tidy enough in winding, the winding line or the cloth is easy to loosen, the middle part is easy to bulge, and single-side carding is not uniform enough in carding.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the winding device of the carding machine is provided, and the problems that the winding is not tidy enough, the winding line or the cloth is easy to loosen, the middle part is easy to bulge, and the single-side carding and the carding are not uniform enough can be effectively solved.
In order to achieve the purpose, the winding device of the carding machine comprises a left frame, a winding mechanism, a lower surface carding mechanism, an upper surface carding mechanism and a right frame, wherein the left frame and the right frame are respectively arranged at the lower part of the left side surface and the lower part of the right side surface of the carding machine; the winding mechanism is arranged between the rear parts of the upper ends of the left frame and the right frame and comprises a winding roller, an upper tightness adjusting mechanism is arranged on the upper side of the outer ring surface of the winding roller, a left tightness adjusting mechanism is arranged on the rear side of the outer ring surface of the winding roller, a lower tightness adjusting mechanism is arranged on the lower side of the outer ring surface of the winding roller, and the left tightness adjusting mechanism, the lower tightness adjusting mechanism and the upper tightness adjusting mechanism are identical in structure; the lower surface carding mechanism is arranged between the middle parts of the upper ends of the left frame and the right frame; the upper surface carding mechanism is arranged between the front parts of the upper ends of the left frame and the right frame; and a fabric to be combed is conveyed between the upper surface combing mechanism and the lower surface combing mechanism, and one end of the fabric to be combed is wound on the winding mechanism.
Furthermore, a first rotating shaft is sleeved in the center of the furling roller, the left end of the first rotating shaft is movably connected to a first supporting seat on the left rack, the right end of the first rotating shaft is movably connected to a first supporting seat on the right rack, and a first belt pulley is installed at the left end of the first rotating shaft.
Further, parallel arrangement about left side frame and the right frame, the up end of left side frame and right frame installs first supporting seat, second supporting seat and third supporting seat in proper order by back to the front.
Further, a first motor is installed at left side frame upside rear portion, and a first motor wheel is installed to the front end of first motor, install first belt on the first motor wheel, the transmission is connected with first belt between first motor wheel and the first belt pulley.
Further, left side frame upside mid-mounting has the second motor, and the second motor wheel is installed to the front end of second motor, install the second belt on the second motor wheel, the transmission is connected with the second belt between second motor wheel and the second belt pulley, left side frame upside forward-mounted has the third motor, the third belt is installed to the front end of third motor, installs the third motor wheel on the third belt, the transmission is connected with the third motor wheel between third belt and the third belt pulley.
Further, install the overhead guard between the up end rear portion of left side frame and right side frame, the window has all been seted up on the left surface of overhead guard and the upper portion of right flank, and the left window has all been seted up at the left surface of overhead guard and right flank rear portion, and the window has all been seted up down to the left surface of overhead guard and right flank lower part, three turbofan of group are installed through the screw to the leading flank of overhead guard.
Furthermore, upper surface carding mechanism includes the second guide roll, and the third pivot has been put to the center cover of second guide roll, the left end of third pivot is installed the third belt pulley.
Furthermore, a second combing brush is arranged above the upper surface combing mechanism, a group of second side plates are movably connected to the left end and the right end of the second combing brush, and the lower ends of the second side plates on the two sides of the second combing brush are sleeved on the two ends of the third rotating shaft.
Further, lower surface carding mechanism includes first guide roll and second pivot, the center at first guide roll is established to the second pivot cover, and the second belt pulley is installed to the left end of this second pivot.
Furthermore, a first combing brush is arranged below the lower surface combing mechanism, the left end and the right end of the first combing brush are movably connected to the first side plates, and the upper ends of the first side plates on the two sides of the first combing brush are sleeved at the two ends of the second rotating shaft.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses set up multiunit tight regulation mechanism on carding machine coiling mechanism's the roll-up mechanism, the compress wheel carries out the elasticity suppression on the surface of roll-up roller, avoids the spiral arch, guarantees that the roll-up is neat to be provided with lower surface carding mechanism and upper surface carding mechanism, carry spinning thread or cloth between first guide roll and second guide roll, to spinning thread or cloth upper surface and lower surface carding when the direction, prevent the thing quality with the guarantee.
Drawings
Fig. 1 is a left side view schematically showing a winding device of a carding machine according to an embodiment of the present invention;
fig. 2 is a schematic top view of a furling device of a carding machine according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a furling device of a carding machine according to an embodiment of the present invention;
fig. 4 is an installation schematic diagram of the winding mechanism, the lower surface combing mechanism and the upper surface combing mechanism in the embodiment of the present invention;
fig. 5 is a schematic view of an upper tightness adjusting mechanism according to an embodiment of the present invention.
In the figure: 1. a left frame; 101. a first support base; 102. a first motor; 102a, a first belt; 102b, a first motor wheel; 103. a second support seat; 104. a second motor; 104a, a second belt; 104b, a second motor wheel; 105. a third support seat; 106. a third motor; 106a, a third motor wheel; 106b, a third belt; 2. a top cover; 200. a left window; 201. a lower window; 202. an upper window; 3. a winding mechanism; 300. a left tightness adjusting mechanism; 301. a lower tightness adjusting mechanism; 302. an upper tightness adjusting mechanism; 302a, a cloth pressing wheel; 302b, a central axis; 302c, a splint; 302d, a groove; 302e, a stroke limit cylinder; 302f, a fixing frame; 302g, fastening bolts; 303. a first rotating shaft; 304. a first pulley; 305. a winding roller; 4. a turbo fan; 5. a lower surface combing mechanism; 500. a first guide roller; 501. a second rotating shaft; 502. a second pulley; 6. an upper surface combing mechanism; 600. a second guide roller; 601. a third rotating shaft; 602. a third belt pulley; 7. a second combing brush; 700. a second side plate; 8. a fabric to be combed; 9. a first combing brush; 900. a first side plate; 10. and a right frame.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Fig. 1 is the utility model discloses a left side of carding machine coiling mechanism is looked the schematic diagram, fig. 2 is the utility model discloses a carding machine coiling mechanism's overlook schematic diagram, fig. 3 do the utility model discloses a section schematic diagram, fig. 4 of carding machine coiling mechanism's that the utility model provides a take up mechanism, lower surface carding mechanism and upper surface carding mechanism's installation schematic diagram and fig. 5 do the utility model discloses an go up elasticity adjustment mechanism schematic diagram.
Referring to fig. 1 to 5, the utility model provides a carding machine coiling mechanism, include: the device comprises a left frame 1, a winding mechanism 3, a lower surface carding mechanism 5, an upper surface carding mechanism 6, a fabric to be carded 8 and a right frame 10; the left frame 1 and the right frame 10 are respectively arranged at the lower part of the left side surface and the lower part of the right side surface of the carding machine, the left frame 1 and the right frame 10 are arranged in parallel left and right, and the upper end surfaces of the left frame 1 and the right frame 10 are respectively provided with a first supporting seat 101, a second supporting seat 103 and a third supporting seat 105 from back to front in sequence; the winding mechanism 3 is arranged between the upper end rear parts of the left frame 1 and the right frame 10, a winding roller 305 is arranged on the winding mechanism 3, an upper tightness adjusting mechanism 302 is arranged on the upper side of the outer ring surface of the winding roller 305, a left tightness adjusting mechanism 300 is arranged on the rear side of the outer ring surface of the winding roller 305, and a lower tightness adjusting mechanism 301 is arranged on the lower side of the outer ring surface of the winding roller 305;
the utility model discloses the setting of well left side frame 1 and right frame 10 is as organism lower part bearing structure, and parallel about left side frame 1 and right frame 10, and it is provided with first supporting seat 101 to align on left side frame 1 and the right frame 10, second supporting seat 103 and third supporting seat 105, it is convenient to install between the first supporting seat 101 on both sides in roll-up mechanism 3, lower surface carding mechanism 5 is installed between the second supporting seat 103 at both ends, upper surface carding mechanism 6 is installed between the third supporting seat 105 at both ends, and roll-up mechanism 3, lower surface carding mechanism 5 and upper surface carding mechanism 6 are rotatable structure, the convenience rotates the activity after stable the installation.
Specifically, the lower surface carding mechanism 5 is installed between the middle parts of the upper ends of the left frame 1 and the right frame 10, a first guide roller 500 is arranged on the lower surface carding mechanism 5, a second rotating shaft 501 is sleeved in the center of the first guide roller 500, and a second belt pulley 502 is installed at the left end of the second rotating shaft 501; the upper surface combing mechanism 6 is arranged between the front parts of the upper ends of the left frame 1 and the right frame 10, a second guide roller 600 is arranged on the upper surface combing mechanism 6, a third rotating shaft 601 is sleeved at the center of the second guide roller 600, and a third belt pulley 602 is arranged at the left end of the third rotating shaft 601. Conveying the fabric 8 to be combed between the upper surface combing mechanism 6 and the lower surface combing mechanism 5, and rolling one end of the fabric 8 to be combed on the rolling mechanism 3;
the lower surface carding mechanism 5 and the upper surface carding mechanism 6 are arranged in parallel front and back, the lower surface carding mechanism 5 and the fabric to be combed 8 are used for guiding the fabric to be combed 8, and in the guiding process, the carding mechanism is used for brushing mixed fiber hair.
In this embodiment, a first rotating shaft 303 is sleeved in the center of the winding roller 305, the left end of the first rotating shaft 303 is movably connected to the first supporting seat 101 on the left frame 1, the right end of the first rotating shaft 303 is movably connected to the first supporting seat 101 on the right frame 10, and a first belt pulley 304 is mounted at the left end of the first rotating shaft 303.
As a preferred embodiment, the winding mechanism 3 is arranged to wind the fabric 8 to be combed after combing, the first rotating shaft 303 at the center of the winding mechanism 3 drives the whole structure to rotate, and the left end of the first rotating shaft 303 is provided with a first belt pulley 304, and the belt transmission structure is used to drive the winding mechanism to move.
In this embodiment, a first motor 102 is installed at the rear part of the upper side of the left frame 1, a first motor wheel 102b is installed at the front end of the first motor 102, a first belt 102a is installed on the first motor wheel 102b, the first belt 102a is connected between the first motor wheel 102b and a first belt pulley 304 in a transmission manner, a second motor 104 is installed at the middle part of the upper side of the left frame 1, and a second motor 104 is installed at the front end of the second motor 104; the second motor wheel 104b is provided with a second belt 104a, the second belt 104a is connected between the second motor wheel 104b and the second belt wheel 502 in a transmission manner, the front part of the upper side of the left frame 1 is provided with a third motor 106, the front end of the third motor 106 is provided with a third belt 106b, the third belt 106b is provided with a third motor wheel 106a, and the third belt 106b and the third belt wheel 602 are connected with the third motor wheel 106a in a transmission manner.
As a preferred embodiment, a first motor 102, a second motor 104 and a third motor 106 are installed on the left frame 1, and three sets of motors are respectively provided for connecting belts, so as to drive the winding mechanism 3, the lower surface combing mechanism 5 and the upper surface combing mechanism 6 to rotate.
In this embodiment, install top cover 2 between the up end rear portion of left side frame 1 and right side frame 10, window 202 has all been seted up on the left surface of top cover 2 and the upper portion of right flank, left window 200 has all been seted up on the left surface of top cover 2 and right flank rear portion, lower window 201 has all been seted up to the left surface of top cover 2 and right flank lower part, and three sets of turbofan 4 are installed through the screw to the leading flank of top cover 2.
As a preferred embodiment, three sets of the turbo fans 4 are provided on the front side surface of the top cover 2, and the three sets of the turbo fans 4 are all provided to be inclined downward for blowing the lint in the front air, while the left window 200, the lower window 201, and the top cover 20 retracting mechanism 3 on the left and right side surfaces of the top cover 2 are conveniently used for installing the left slack adjusting mechanism 300, the lower slack adjusting mechanism 301, and the upper slack adjusting mechanism 302.
In this embodiment, the second combing brush 7 is installed above the upper surface combing mechanism 6, a set of second side plates 700 is movably connected to both left and right ends of the second combing brush 7, and the lower ends of the second side plates 700 at both sides of the second combing brush 7 are sleeved on both ends of the third rotating shaft 601.
As a preferred embodiment, it is convenient that the fabric to be combed 8 is transported from between the upper surface combing means 6 and the second combing brush 7 while the upper surface combing means 6 guides the fabric to be combed 8, and the upper surface combing means 6 is used to comb the fiber batt on the upper surface of the fabric to be combed 8.
In this embodiment, the first combing brush 9 is installed below the lower combing mechanism 5, the left and right ends of the first combing brush 9 are movably connected to the first side plate 900, and the upper ends of the first side plate 900 at the two sides of the first combing brush 9 are sleeved on the two ends of the second rotating shaft 501
In a preferred embodiment, the lower carding unit 5 is used for guiding the fabric 8 to be combed, and the fabric 8 to be combed is conveyed from between the lower carding unit 5 and the first carding brush 9 while being guided, and the first carding brush 9 is used for carding the fiber batt on the lower surface of the fabric 8 to be combed.
In this embodiment, a fixing frame 302f is arranged on the upper tightness adjusting mechanism 302, a groove 302d is formed in the upper portion of the fixing frame 302f, a plurality of sets of fastening bolts 302g are installed on the lower portion of the fixing frame 302f, a stroke limiting gas 302e is installed in the groove 302d, a clamping plate 303c is arranged at the upper end of the stroke limiting gas 302e, the clamping plate 303c is clamped on the outer end of the central shaft 302b, and the central shaft 302b is sleeved on the center of the cloth pressing wheel 302 a.
As a preferred embodiment, the upper tightness adjusting mechanism 302 is provided with a cloth pressing wheel 302a, and both ends of a central shaft 302b sleeved in the cloth pressing wheel 302a are respectively fixed in the two side clamping plates 303c, so as to control the distance between the cloth pressing wheel 302a and the outer annular surface of the winding mechanism 3 through the telescopic stroke limiting air 302e, thereby facilitating the extrusion of the to-be-combed fabric wound on the winding mechanism 3, avoiding bulging and enabling the winding to be more tidy.
The utility model discloses a carding machine coiling mechanism can effectively solve single face carding and comb inadequately even, and the rolling is neat inadequately, and the roll-up line is or the cloth, takes place the problem that the middle part is bloated easily, the utility model discloses the structure sets up rationally, guide structure around setting to installation carding mechanism on guide structure, so that comb the fibre batting of treating the upper and lower surface of carded fabric, treat the quality of carded fabric with the improvement, establish three groups of tight regulation mechanism at the roll-up mechanism upper ring simultaneously, utilize the compress wheel to carry out elasticity suppression roll-up, make the roll-up when the roll-up fabric, keep in good order.
Claims (10)
1. A carding machine coiling device is characterized by comprising a left frame (1), a coiling mechanism (3), a lower surface carding mechanism (5), an upper surface carding mechanism (6) and a right frame (10), wherein the left frame (1) and the right frame (10) are respectively arranged on the lower part of the left side surface and the lower part of the right side surface of a carding machine; the winding mechanism (3) is arranged between the upper end rear parts of the left rack (1) and the right rack (10), the winding mechanism (3) comprises a winding roller (305), an upper tightness adjusting mechanism (302) is arranged on the upper side of the outer ring surface of the winding roller (305), a left tightness adjusting mechanism (300) is arranged on the rear side of the outer ring surface of the winding roller (305), a lower tightness adjusting mechanism (301) is arranged on the lower side of the outer ring surface of the winding roller (305), and the left tightness adjusting mechanism (300), the lower tightness adjusting mechanism (301) and the upper tightness adjusting mechanism (302) are identical in structure; the lower surface carding mechanism (5) is arranged between the middle parts of the upper ends of the left frame (1) and the right frame (10); the upper surface carding mechanism (6) is arranged between the front parts of the upper ends of the left frame (1) and the right frame (10); the fabric (8) to be combed is conveyed between the upper surface combing mechanism (6) and the lower surface combing mechanism (5), and one end of the fabric (8) to be combed is furled on the furling mechanism (3).
2. The winding device of the carding machine according to claim 1, wherein a first rotating shaft (303) is sleeved in the center of the winding roller (305), the left end of the first rotating shaft (303) is movably connected to a first supporting seat (101) on a left frame (1), the right end of the first rotating shaft (303) is movably connected to a first supporting seat (101) on a right frame (10), and a first belt pulley (304) is installed at the left end of the first rotating shaft (303).
3. The winding device of a carding machine according to claim 1, wherein the left frame (1) and the right frame (10) are arranged in parallel left and right, and the upper end surfaces of the left frame (1) and the right frame (10) are respectively provided with a first supporting seat (101), a second supporting seat (103) and a third supporting seat (105) from back to front.
4. A wool comber winding device according to claim 1 or 3, wherein a first motor (102) is installed at the rear part of the upper side of the left frame (1), a first motor wheel (102 b) is installed at the front end of the first motor (102), a first belt (102 a) is installed on the first motor wheel (102 b), and the first belt (102 a) is connected between the first motor wheel (102 b) and a first belt pulley (304) in a transmission manner.
5. The carding machine winding device according to claim 1 or 3, wherein a second motor (104) is installed in the middle of the upper side of the left frame (1), a second motor wheel (104 b) is installed at the front end of the second motor (104), a second belt (104 a) is installed on the second motor wheel (104 b), a second belt (104 a) is connected between the second motor wheel (104 b) and the second belt wheel (502) in a transmission mode, a third motor (106) is installed at the front portion of the upper side of the left frame (1), a third belt (106 b) is installed at the front end of the third motor (106), a third motor wheel (106 a) is installed on the third belt (106 b), and a third motor wheel (106 a) is connected between the third belt (106 b) and the third belt wheel (602) in a transmission mode.
6. The wool comber rolling device according to claim 1 or 3, wherein a top cover (2) is installed between the rear portions of the upper end faces of the left frame (1) and the right frame (10), upper windows (202) are respectively formed in the upper portions of the left side face and the right side face of the top cover (2), left windows (200) are respectively formed in the rear portions of the left side face and the right side face of the top cover (2), lower windows (201) are respectively formed in the lower portions of the left side face and the right side face of the top cover (2), and three groups of turbo fans (4) are installed on the front side face of the top cover (2) through screws.
7. A winding device of a carding machine according to claim 1, wherein the upper surface carding mechanism (6) comprises a second guide roller (600), a third rotating shaft (601) is sleeved at the center of the second guide roller (600), and a third belt pulley (602) is installed at the left end of the third rotating shaft (601).
8. The winding device of the carding machine as claimed in claim 7, wherein a second carding brush (7) is installed above the upper surface carding mechanism (6), a group of second side plates (700) are movably connected to both left and right ends of the second carding brush (7), and lower ends of the second side plates (700) on both sides of the second carding brush (7) are sleeved on both ends of a third rotating shaft (601).
9. The winding device of the carding machine as claimed in claim 1, wherein the lower surface carding mechanism (5) comprises a first guide roller (500) and a second rotating shaft (501), the second rotating shaft (501) is sleeved on the center of the first guide roller (500), and a second belt pulley (502) is mounted at the left end of the second rotating shaft (501).
10. The winding device of the carding machine as claimed in claim 9, wherein a first carding brush (9) is installed below the lower surface carding mechanism (5), both left and right ends of the first carding brush (9) are movably connected to a set of first side plates (900), and the upper ends of the first side plates (900) at both sides of the first carding brush (9) are sleeved on both ends of the second rotating shaft (501).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120586201.XU CN214458501U (en) | 2021-03-23 | 2021-03-23 | Carding machine coiling mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120586201.XU CN214458501U (en) | 2021-03-23 | 2021-03-23 | Carding machine coiling mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214458501U true CN214458501U (en) | 2021-10-22 |
Family
ID=78159441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120586201.XU Active CN214458501U (en) | 2021-03-23 | 2021-03-23 | Carding machine coiling mechanism |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214458501U (en) |
-
2021
- 2021-03-23 CN CN202120586201.XU patent/CN214458501U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7941901B2 (en) | Apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing | |
CN112593319A (en) | Graphene and chinlon blending drawing method | |
CN210684023U (en) | A high efficiency opening equipment for weaving | |
CN214458501U (en) | Carding machine coiling mechanism | |
CN111893602A (en) | Semi-combing cotton carding equipment | |
JP2635761B2 (en) | Apparatus for guiding wrap between a wrap roller and a supply roller in a combing machine | |
CN213387232U (en) | Yarn adjusting type tensioning device for cotton yarns | |
CN213708631U (en) | Antibacterial heat setting mechanism for cellosilk | |
JPH0726254B2 (en) | Comb | |
CN115613184A (en) | Warping mechanism for textile production | |
CN210856485U (en) | Fiber drawing device | |
CN110760969B (en) | Swing type yarn grinding device for chemical fiber filaments | |
CN217423879U (en) | Conduction drying device for weaving by turbulent air-jet spinning technology | |
CN203807619U (en) | Long fiber drawing frame | |
CN221522905U (en) | Roving frame for spinning | |
CN215251440U (en) | Pre-carding drawing and rolling machine | |
CN100408734C (en) | Spinning machine and spinning method | |
CN206570454U (en) | A kind of autoelectrinic rabbit hair carding sett frame | |
CN219670734U (en) | Cotton carding and conveying device | |
CN215209754U (en) | Cover plate type semi-spinning carding machine | |
CN221094385U (en) | Pre-drafting device for fiber production | |
CN214142651U (en) | Cotton yarn production is with even carding machine of comb and parallel cotton fibers prior to spinning | |
CN213061166U (en) | Guide roller easy-to-detach spinning frame | |
CN216360531U (en) | Sliver lap machine with carding and scrap clearing functions | |
CN208899077U (en) | Warping machine is used in a kind of production of grid cloth |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |