CN102813316B - Automatic powder sweeping machine - Google Patents

Automatic powder sweeping machine Download PDF

Info

Publication number
CN102813316B
CN102813316B CN201210307470.3A CN201210307470A CN102813316B CN 102813316 B CN102813316 B CN 102813316B CN 201210307470 A CN201210307470 A CN 201210307470A CN 102813316 B CN102813316 B CN 102813316B
Authority
CN
China
Prior art keywords
powder
equiped
cylinder
pole
sweeping
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
Application number
CN201210307470.3A
Other languages
Chinese (zh)
Other versions
CN102813316A (en
Inventor
罗湘平
郭容喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN JINGYUAN WOOLEN GARMENT Co Ltd
Original Assignee
DONGGUAN JINGYUAN WOOLEN GARMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DONGGUAN JINGYUAN WOOLEN GARMENT Co Ltd filed Critical DONGGUAN JINGYUAN WOOLEN GARMENT Co Ltd
Priority to CN201210307470.3A priority Critical patent/CN102813316B/en
Publication of CN102813316A publication Critical patent/CN102813316A/en
Application granted granted Critical
Publication of CN102813316B publication Critical patent/CN102813316B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention discloses an automatic powder sweeping machine. A first supporting rod and second supporting rods are arranged below a fixed panel of the automatic powder sweeping machine, a first air cylinder is arranged above the first supporting rod, a pressing rod is arranged above the fixed panel, a first sliding rod is arranged between the first supporting rod and the pressing rod, a middle supporting rod is arranged between two second supporting rods, a second air cylinder is arranged above the middle supporting rod, a transparent powder sweeping plate and a powder sweeping plate mounting rack are arranged above the fixed panel, a second sliding rod is arranged between the powder sweeping plate mounting rack and the second supporting rods, an automatic powder sweeping mechanism is arranged above the powder sweeping plate mounting rack, and a fine adjustment mechanism is arranged below the middle supporting rod. The first air cylinder drives the pressing rod to act, the pressing rod compresses the stacked cut sheets, the second air cylinder drives the transparent powder sweeping plate to tightly cling above the cut sheets, the fine adjustment mechanism can enable the transparent powder sweeping plate to slightly uplift for facilitating hand adjustment of the positions of the cut sheets, and the automatic powder sweeping mechanism automatically finishes the powder sweeping operation. The invention has the advantages of high operational efficiency, accuracy in contraposition and capability of improving the quality of products.

Description

A kind of automatic powder cleaning machine
Technical field
The present invention relates to clothing equipment technical field, relate in particular to a kind of automatic powder cleaning machine.
Background technology
In the process of clothing, prior art is generally to adopt artificial mode to sweep powder, and staff is swept powder, at staff, sweep in the process of powder, operating personnel first put cut-parts, then the more transparent powder plate of sweeping are positioned in cut-parts, transparent sweeping after powder plate is placed, just can sweep powder operation; Staff is swept powder need all repeat above-mentioned course of action to each cut-parts, for batch production, needs a lot of time to carry out repeatedly contraposition, and also easily occurs the phenomenon of off normal.
Summary of the invention
The object of the invention is to provides a kind of automatic powder cleaning machine for the deficiencies in the prior art, and this automatic powder cleaning machine can be swept powder operation efficiently, and contraposition accurately and can effectively improve the quality of products.
For achieving the above object, the present invention is achieved through the following technical solutions.
A kind of automatic powder cleaning machine, include frame, the upper end of frame is equiped with fixed panel, the below of fixed panel is equiped with first pole and two the second poles that horizontal cross is arranged respectively, the top of the first pole is equiped with the first cylinder of vertical action, the cylinder body of the first cylinder is installed in the lower surface of fixed panel, the extension end of the piston rod of the first cylinder is connected with the first pole, corresponding first pole in top of fixed panel is equiped with the depression bar that horizontal cross is arranged, between the first pole and depression bar, be equiped with the first slide bar can relative fixed panel sliding, the both ends of the first slide bar are installed in respectively the first pole and the depression bar of corresponding side, article two, between the second pole, be equiped with middle support rod, the top of middle support rod is equiped with the second cylinder of vertical action, and the cylinder body of the second cylinder is installed in the lower surface of fixed panel, and the extension end of the piston rod of the second cylinder is connected with middle support rod, the top of fixed panel is equiped with transparently sweeps powder plate and sweeps powder board mounting stand, the transparent powder plate of sweeping is installed in and sweeps powder board mounting stand, sweep and between powder board mounting stand and the second pole, be equiped with the second slide bar can relative fixed panel sliding, the both ends of the second slide bar are installed in respectively the second pole of corresponding side and sweep powder board mounting stand, the top of sweeping powder board mounting stand is equiped with automatic powder cleaning machine structure, and the below of middle support rod is equiped with the micro-adjusting mechanism that is fixed on frame bottom.
Wherein, described automatic powder cleaning machine structure includes two over against the fixed support plate arranging, described in being installed in, the bottom of fixed support plate sweeps powder board mounting stand, between two fixed support plates, be equiped with the horizontal support bar that horizontal cross is arranged, horizontal support bar is fitted with horizontal slip piece, horizontal slip piece can be set in horizontal support bar relative sliding, powder cylinder is swept on the packaged left side that is provided with vertical action respectively of horizontal slip and powder cylinder is swept on the right side, a left side is swept powder cylinder and right epitaxial end portion of sweeping the piston rod of powder cylinder and is equiped with respectively optionally with sweeping of touching of the described transparent upper surface of sweeping powder plate and whitewashes, wherein a fixed support plate is fitted with powder-sweeping electrical machinery, the power output shaft of powder-sweeping electrical machinery is fitted with drive pulley, another fixed support plate is fitted with driven pulley, between drive pulley and driven pulley, around cover, there is driving belt, one end of horizontal slip piece is equiped with belt compact heap, and driving belt is installed between belt compact heap and horizontal slip piece.
Wherein, described micro-adjusting mechanism includes the underframe that is fixed on described frame bottom, the fine setting screw mandrel that underframe is equiped with fine setting motor, fine-tuning nut and coordinates with fine-tuning nut, power output shaft and the fine-tuning nut of fine setting motor are in transmission connection, fine setting screw mandrel be positioned at described middle support rod under, fine setting screw mandrel upper end and middle support rod butt.
Beneficial effect of the present invention is: a kind of automatic powder cleaning machine of the present invention, the fixed panel below of its frame is equiped with the first pole and the second pole, the top of the first pole is equiped with the first cylinder, the top of fixed panel is equiped with depression bar, between the first pole and depression bar, be equiped with the first slide bar, article two, between the second pole, be equiped with middle support rod, the top of middle support rod is equiped with the second cylinder, the top of fixed panel is equiped with transparently sweeps powder plate and sweeps powder board mounting stand, sweep between powder board mounting stand and the second pole and be equiped with the second slide bar, the top of sweeping powder board mounting stand is equiped with automatic powder cleaning machine structure, the below of middle support rod is equiped with micro-adjusting mechanism, in the course of work of the present invention, the first air cylinder driven depression bar action, the cut-parts that become to prick are pressed between fixed panel and depression bar, the transparent powder plate of sweeping of the second air cylinder driven moves, transparently sweep the top that powder plate is close to cut-parts, micro-adjusting mechanism can make transparently to sweep that powder plate lifts a little and then the convenient cut-parts position of manually adjusting, and powder cleaning machine structure automatically completes and sweeps powder operation automatically, comprehensive above-mentioned situation is known, and the present invention has advantages of that automaticity is high, operating efficiency is high, contraposition is accurate and can improve the quality of products.
Accompanying drawing explanation
Utilize accompanying drawing to be further detailed the present invention below, but the embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation at another visual angle of the present invention.
Fig. 3 is the structural representation at the another visual angle of the present invention.
In Fig. 1 to Fig. 3, include:
10---frame 11---fixed panel 20---the first poles
21---the first cylinder 22---depression bar 23---the first slide bars
30---the second pole 31---middle support rod 32---the second cylinders
33---the second slide bar 40---the transparent powder plate 50 of sweeping---is swept powder board mounting stand
60---automatic powder cleaning machine structure 61---fixed support plate 62---horizontal support bars
63---powder cylinder is swept on the right side to horizontal slip piece 64---powder cylinder 65 is swept on a left side---
66---sweep and whitewash 67---powder-sweeping electrical machinery 68---drive pulley
69---driven pulley 70---micro-adjusting mechanism 71---underframe
72---fine setting motor 73---fine-tuning nut 74---fine setting screw mandrels
80---driving belt 81---belt compact heap.
The specific embodiment
Below in conjunction with concrete embodiment, the present invention will be described.
As shown in figures 1 and 3, a kind of automatic powder cleaning machine, include frame 10, the upper end of frame 10 is equiped with fixed panel 11, the below of fixed panel 11 is equiped with first pole 20 and two the second poles 30 that horizontal cross is arranged respectively, the top of the first pole 20 is equiped with the first cylinder 21 of vertical action, the cylinder body of the first cylinder 21 is installed in the lower surface of fixed panel 11, the extension end of the piston rod of the first cylinder 21 is connected with the first pole 20, corresponding first pole 20 in top of fixed panel 11 is equiped with the depression bar 22 that horizontal cross is arranged, between the first pole 20 and depression bar 22, be equiped with the first slide bar 23 can relative fixed panel 11 sliding, the both ends of the first slide bar 23 are installed in respectively the first pole 20 and the depression bar 22 of corresponding side, article two, between the second pole 30, be equiped with middle support rod 31, the top of middle support rod 31 is equiped with the second cylinder 32 of vertical action, the cylinder body of the second cylinder 32 is installed in the lower surface of fixed panel 11, and the extension end of the piston rod of the second cylinder 32 is connected with middle support rod 31, the top of fixed panel 11 is equiped with transparently sweeps powder plate 40 and sweeps powder board mounting stand 50, the transparent powder plate 40 of sweeping is installed in and sweeps powder board mounting stand 50, sweep and between powder board mounting stand 50 and the second pole 30, be equiped with the second slide bar 33 can relative fixed panel 11 sliding, the both ends of the second slide bar 33 are installed in respectively the second pole 30 of corresponding side and sweep powder board mounting stand 50, the top of sweeping powder board mounting stand 50 is equiped with automatic powder cleaning machine structure 60, and the below of middle support rod 31 is equiped with the micro-adjusting mechanism 70 that is fixed on frame 10 bottoms.
Wherein, corresponding the first slide bar 23 of fixed panel 11 and the second slide bar 33 are equiped with respectively guide pin bushing, and the first slide bar 23 and the second slide bar 33 are nested in respectively in corresponding guide pin bushing.
Further, automatically powder cleaning machine structure 60 includes two over against the fixed support plate 61 arranging, the bottom of fixed support plate 61 is installed in sweeps powder board mounting stand 50, between two fixed support plates 61, be equiped with the horizontal support bar 62 that horizontal cross is arranged, horizontal support bar 62 is fitted with horizontal slip piece 63, horizontal slip piece 63 can be set in horizontal support bar 62 relative sliding, powder cylinder 64 is swept on the left side that horizontal slip piece 63 is equiped with respectively vertical action and powder cylinder 65 is swept on the right side, a left side is swept powder cylinder 64 and right epitaxial end portion of sweeping the piston rod of powder cylinder 65 and is equiped with respectively optionally with sweeping of touching of the transparent upper surface of sweeping powder plate 40 and whitewashes 66, wherein a fixed support plate 61 is fitted with powder-sweeping electrical machinery 67, the power output shaft of powder-sweeping electrical machinery 67 is fitted with drive pulley 68, another fixed support plate 61 is fitted with driven pulley 69, between drive pulley 68 and driven pulley 69, around cover, there is driving belt 80, one end of horizontal slip piece 63 is equiped with belt compact heap 81, and driving belt 80 is installed between belt compact heap 81 and horizontal slip piece 63.
Need further to explain, the present invention arranges a left side and sweeps powder cylinder 64, the right side is swept powder cylinder 65 and two and is swept and whitewash 66 object and be: take and be moved to the left as sweeping powder direction as example, powder-sweeping electrical machinery 67 drives horizontal slip piece 63 by driving belt 80, powder cylinder 64 is swept on a left side, the right side is swept powder cylinder 65 and is swept accordingly and whitewashes 66 and be moved to the left, a left side is swept powder cylinder 64 cylinders and is first started, a left side is swept powder cylinder 64 and is driven corresponding left side to sweep to whitewash the transparent upper surface of sweeping powder plate 40 of 66 contacts, now, the right side is swept powder cylinder 65 and is failure to actuate, the sweeping of right side whitewashed 66 and do not contacted with the transparent upper surface of sweeping powder plate 40, left side is swept and is whitewashed 66 and move and sweep for the first time powder, treat left side sweep whitewash 66 sweep powder after, 65 actions of powder cylinder are swept on the right side, right side is swept and is whitewashed 66 and move down and contact with the transparent upper surface of sweeping powder plate 40, now, powder-sweeping electrical machinery 67 directions move and drive right side to sweep to whitewash 66 and left side sweep and whitewash 66 and move right, now, right side is swept and is whitewashed 66 and sweep for the second time powder, after sweeping for the second time powder and finishing, powder cylinder 64 is swept on a left side, the right side is swept powder cylinder 65 and sweeps accordingly and whitewash 66 resets, need further to explain, by said structure, continuing to sweep in the process of powder the transparent left side of powder plate 40 and the phenomenon that right side there will not be powder accumulation of sweeping.
Further, micro-adjusting mechanism 70 includes the underframe 71 that is fixed on frame 10 bottoms, the fine setting screw mandrel 74 that underframe 71 is equiped with fine setting motor 72, fine-tuning nut 73 and coordinates with fine-tuning nut 73, power output shaft and the fine-tuning nut 73 of fine setting motor 72 are in transmission connection, fine setting screw mandrel 74 be positioned at middle support rod 31 under, fine setting screw mandrel 74 upper end and middle support rod 31 butts; Wherein, fine setting motor 72 can be in transmission connection by belt transmissioning mode, gear transmission mode or chain transmission mode and fine-tuning nut 73; In addition, fine setting screw mandrel 74 can be controlled its fine setting stroke by travel switch.
Below in conjunction with concrete course of action, the present invention is described in detail, be specially: the cut-parts that the one-tenth of alignment is pricked are positioned over depression bar 22 and transparent below of sweeping powder plate 40, manual mobile cut-parts also make the transparent powder falling hole of sweeping powder plate 40 of setting-out position alignment of cut-parts, start the second cylinder 32, the second cylinder 32 drives middle support rod 31 successively, the second pole 30, the second slide bar 33, sweep powder board mounting stand 50 and the transparent powder plate 40 of sweeping moves down, transparently sweep the upper surface that powder plate 40 is close to cut-parts, when the setting-out position of cut-parts and transparent powder falling hole of sweeping powder plate 40 do not line up, start fine setting motor 72, fine setting motor 72 drives fine- tuning nut 73 and 74 actions of fine setting screw mandrel successively, fine setting screw mandrel 74 is pushing tow middle support rod 31 upwards, the middle support rod 31 a bit of distance that moves up a little, the manual transparent powder falling hole of sweeping powder plate 40 of setting-out position alignment that again regulates cut-parts position and make cut-parts, if once finely tune not all right, continue to regulate by the way until the transparent powder falling hole of sweeping powder plate 40 of the setting-out position alignment of cut-parts, after cut-parts accurate positioning, start the first cylinder 21, the first cylinders 21 and drive successively the first pole 20, the first slide bar 23 and depression bar 22 actions, depression bar 22 compresses cut-parts downwards, start powder-sweeping electrical machinery 67, a left side is swept powder cylinder 64, the right side and is swept powder cylinder 65 and sweep accordingly and whitewash 66 and move successively and complete and sweep powder operation according to sweeping powder direction, after sweeping powder, to become to prick cut-parts topmost and avulse transparent below of sweeping powder plate 40 through sweeping the cut-parts of powder, continue above-mentioned action cut-parts are below swept to powder operation, continue above-mentioned action and can complete becoming the cut-parts of bundle to sweep powder.
Comprehensive above-mentioned situation is known, and the present invention has advantages of that automaticity is high, operating efficiency is high, contraposition is accurate and can improve the quality of products.
Above content is only preferred embodiment of the present invention, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.

Claims (3)

1. an automatic powder cleaning machine, include frame (10), the upper end of frame (10) is equiped with fixed panel (11), it is characterized in that: the below of fixed panel (11) is equiped with first pole (20) and two the second poles (30) that horizontal cross is arranged respectively, the top of the first pole (20) is equiped with first cylinder (21) of vertical action, the cylinder body of the first cylinder (21) is installed in the lower surface of fixed panel (11), the extension end of the piston rod of the first cylinder (21) is connected with the first pole (20), corresponding first pole in top (20) of fixed panel (11) is equiped with the depression bar (22) that horizontal cross is arranged, between the first pole (20) and depression bar (22), be equiped with the first slide bar (23) can relative fixed panel (11) sliding, the both ends of the first slide bar (23) are installed in respectively the first pole (20) and the depression bar (22) of corresponding side, article two, between the second pole (30), be equiped with middle support rod (31), the top of middle support rod (31) is equiped with second cylinder (32) of vertical action, the cylinder body of the second cylinder (32) is installed in the lower surface of fixed panel (11), and the extension end of the piston rod of the second cylinder (32) is connected with middle support rod (31), the top of fixed panel (11) is equiped with transparently sweeps powder plate (40) and sweeps powder board mounting stand (50), the transparent powder plate (40) of sweeping is installed in and sweeps powder board mounting stand (50), sweep and between powder board mounting stand (50) and the second pole (30), be equiped with the second slide bar (33) can relative fixed panel (11) sliding, the both ends of the second slide bar (33) are installed in respectively second pole (30) of corresponding side and sweep powder board mounting stand (50), the top of sweeping powder board mounting stand (50) is equiped with automatic powder cleaning machine structure (60), the below of middle support rod (31) is equiped with the micro-adjusting mechanism (70) that is fixed on frame (10) bottom.
2. a kind of automatic powder cleaning machine according to claim 1, it is characterized in that: described automatic powder cleaning machine structure (60) includes two over against the fixed support plate (61) arranging, described in being installed in, the bottom of fixed support plate (61) sweeps powder board mounting stand (50), between two fixed support plates (61), be equiped with the horizontal support bar (62) that horizontal cross is arranged, horizontal support bar (62) is fitted with horizontal slip piece (63), horizontal slip piece (63) can be set in horizontal support bar (62) relative sliding, powder cylinder (64) is swept on the left side that horizontal slip piece (63) is equiped with respectively vertical action and powder cylinder (65) is swept on the right side, a left side is swept powder cylinder (64) and the right side and is swept the epitaxial end portion of the piston rod of powder cylinder (65) and be equiped with respectively optionally with sweeping of touching of the described transparent upper surface of sweeping powder plate (40) and whitewash (66), wherein a fixed support plate (61) is fitted with powder-sweeping electrical machinery (67), the power output shaft of powder-sweeping electrical machinery (67) is fitted with drive pulley (68), another fixed support plate (61) is fitted with driven pulley (69), between drive pulley (68) and driven pulley (69), around cover, there is driving belt (80), one end of horizontal slip piece (63) is equiped with belt compact heap (81), and driving belt (80) is installed between belt compact heap (81) and horizontal slip piece (63).
3. a kind of automatic powder cleaning machine according to claim 2, it is characterized in that: described micro-adjusting mechanism (70) includes the underframe (71) that is fixed on described frame (10) bottom, the fine setting screw mandrel (74) that underframe (71) is equiped with fine setting motor (72), fine-tuning nut (73) and coordinates with fine-tuning nut (73), power output shaft and the fine-tuning nut (73) of fine setting motor (72) are in transmission connection, fine setting screw mandrel (74) be positioned at described middle support rod (31) under, fine setting screw mandrel (74) upper end and middle support rod (31) butt.
CN201210307470.3A 2012-08-27 2012-08-27 Automatic powder sweeping machine Active CN102813316B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210307470.3A CN102813316B (en) 2012-08-27 2012-08-27 Automatic powder sweeping machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210307470.3A CN102813316B (en) 2012-08-27 2012-08-27 Automatic powder sweeping machine

Publications (2)

Publication Number Publication Date
CN102813316A CN102813316A (en) 2012-12-12
CN102813316B true CN102813316B (en) 2014-03-19

Family

ID=47298025

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210307470.3A Active CN102813316B (en) 2012-08-27 2012-08-27 Automatic powder sweeping machine

Country Status (1)

Country Link
CN (1) CN102813316B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104223546B (en) * 2014-09-29 2016-06-08 五邑大学 A kind of denim cut-parts automatically sweep powder device and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640222A (en) * 1985-05-23 1987-02-03 Gerber Scientific Inc. Marking apparatus
CN201370139Y (en) * 2009-02-06 2009-12-30 魏玉堂 Location determination device for garment processing
CN102132967A (en) * 2011-01-17 2011-07-27 叶培英 Tagging equipment
CN202618414U (en) * 2012-06-08 2012-12-26 徐骅 Point position marking device for garment processing
CN202774305U (en) * 2012-08-27 2013-03-13 东莞晶苑毛织制衣有限公司 Automatic powder sweeping machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640222A (en) * 1985-05-23 1987-02-03 Gerber Scientific Inc. Marking apparatus
CN201370139Y (en) * 2009-02-06 2009-12-30 魏玉堂 Location determination device for garment processing
CN102132967A (en) * 2011-01-17 2011-07-27 叶培英 Tagging equipment
CN202618414U (en) * 2012-06-08 2012-12-26 徐骅 Point position marking device for garment processing
CN202774305U (en) * 2012-08-27 2013-03-13 东莞晶苑毛织制衣有限公司 Automatic powder sweeping machine

Also Published As

Publication number Publication date
CN102813316A (en) 2012-12-12

Similar Documents

Publication Publication Date Title
CN204021922U (en) A kind of device for stone plate automatic loading/unloading
CN205072001U (en) Automatic tea cake press
CN202606759U (en) Automatic feeding device of thread rolling machine
CN104234397A (en) Ceramic tile laying machine
CN202894343U (en) Automatic feeding device of lathe
CN104150171A (en) Plate outputting device
CN203725439U (en) Display screen cleaning system
CN102709785A (en) Terminal crimping module of multifunctional fully-automatic terminal crimping machine for flat cables
CN205111535U (en) Square bar copper cutting device
CN204711726U (en) A kind of bearing edge polisher
CN107733180B (en) Motor stator wire end twisting and shearing wire tin immersion testing device
CN203347194U (en) Ceramic tile laying machine
CN102813316B (en) Automatic powder sweeping machine
CN102371501A (en) Workpiece positioning device
CN202964850U (en) Brick clamping mechanical arm and pure static pressure type brick press with same
CN201579327U (en) Vertical four-column spinning machine with two spinning heads for automobile spoke
CN102371316B (en) Carrying device for products
CN103518871A (en) Tea leaf leveling device
CN203411108U (en) Light type automatic feeder
CN202774305U (en) Automatic powder sweeping machine
CN202212809U (en) Workpiece positioning device
CN208883129U (en) A kind of rewinding normalizing mechanism of pole piece
CN207874297U (en) A kind of light guide plate cutter device of automatic charging
CN206773734U (en) A kind of certificate banding machine
CN205047765U (en) Lead screw fine setting rail mounted press -connection machine mobile device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant