CN217616256U - Cleaning device for CPP film processing manufacturing uses - Google Patents

Cleaning device for CPP film processing manufacturing uses Download PDF

Info

Publication number
CN217616256U
CN217616256U CN202221433337.8U CN202221433337U CN217616256U CN 217616256 U CN217616256 U CN 217616256U CN 202221433337 U CN202221433337 U CN 202221433337U CN 217616256 U CN217616256 U CN 217616256U
Authority
CN
China
Prior art keywords
fixed mounting
bottom plate
cleaning device
film
brush
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
CN202221433337.8U
Other languages
Chinese (zh)
Inventor
王小吻
于利君
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.)
Qingdao Weidong Junnuo New Material Co ltd
Original Assignee
Qingdao Weidong Junnuo New Material 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 Qingdao Weidong Junnuo New Material Co ltd filed Critical Qingdao Weidong Junnuo New Material Co ltd
Priority to CN202221433337.8U priority Critical patent/CN217616256U/en
Application granted granted Critical
Publication of CN217616256U publication Critical patent/CN217616256U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model belongs to the technical field of the film processing equipment, and a cleaning device that CPP film processing was made and is used is disclosed, comprising a base plate, the middle part fixed mounting on bottom plate top has the support frame. The utility model discloses a set up the pneumatic cylinder, first brush and motor power, start motor power, will make the pivot drive the second gyro wheel and take place to rotate, and then drive first gyro wheel, the film of two runners and surface takes place to move, start the pneumatic cylinder here simultaneously, thereby drive the rectangular plate, the whole downward activity of semi-cylindrical piece and first brush, contact with the film surface until first brush, start the fan afterwards, will extract external gas through the exhaust tube, then the leading-in inside to semi-cylindrical piece of rethread conveyer pipe, the rethread blow gas to the surface of film, finally can carry out cleaning to the film through the inside air current of first brush and semi-cylindrical piece, and convenient and fast operation.

Description

Cleaning device for CPP film processing manufacturing uses
Technical Field
The utility model belongs to the technical field of the film processing equipment, specifically a cleaning device that CPP film processing was made and is used.
Background
The film is a thin and soft transparent sheet made of plastic, adhesive, rubber or other materials, and the scientific explanation of the film is as follows: two-dimensional materials formed by depositing atoms, molecules or ions on the surface of a substrate, and thin films are widely used in the industries of electronics, mechanics, printing and the like.
At present, when an operator processes and manufactures a film, the operator often uses a cleaning device, so that dust on the outer surface of the film can be cleaned conveniently, but when the existing cleaning device is used for cleaning, the operator generally needs to manually clean the outer surface of the film, the operation is complex, the film is likely to be damaged, and the subsequent operation of the operator is inconvenient, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, the utility model provides a cleaning device that CPP film processing was made and is used has the advantage that can carry out self-cleaning to the film.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cleaning device that CPP film processing manufacturing used, includes the bottom plate, the middle part fixed mounting on bottom plate top has the support frame, the middle part fixed mounting on support frame top has the pneumatic cylinder, the bottom of pneumatic cylinder runs through the support frame and extends to the below and the fixed mounting of support frame has the rectangular plate, the top fixed mounting of rectangular plate has the mechanism of blowing that is located the pneumatic cylinder back, the equal fixed mounting in both sides of rectangular plate bottom has the connecting block, the bottom fixed mounting of connecting block has the semicolumn piece, the blow vent has been seted up to the bottom of semicolumn piece, the bottom fixed mounting of semicolumn piece has the first brush that is located between the blow vent, the right side fixed mounting on bottom plate top has first backup pad, first gyro wheel has been cup jointed in the top activity of first backup pad, the top fixed mounting of bottom plate has the bracing piece that is located between support frame and the first backup pad, the equal activity in the below on bracing piece top has cup jointed the runner, the top fixed mounting of bottom plate has the second backup pad that is located the left, the positive top fixed cover of second backup pad, the other end of motor output shaft has the pivot, the fixed cover that the other end extends to have the second fixed cover.
As the utility model discloses it is preferred, the mechanism of blowing is including the fan, the bottom of fan and the top fixed connection of rectangular plate, the bottom mounting intercommunication of fan has the conveyer pipe, the bottom of conveyer pipe run through the rectangular plate and extend to the top of semicolumn piece and with the fixed intercommunication in top of semicolumn piece, the fixed intercommunication of right-hand member of fan has the exhaust tube.
As the utility model discloses preferred, the middle part fixed mounting on bottom plate top has the braced frame who is located between the support frame, the size of braced frame top internal surface and the size looks adaptation of film.
As the utility model discloses it is preferred, the top movable mounting of bottom plate has the removal frame that is located the second backup pad right-hand member, the equal fixed mounting in both ends at the left both ends in removal frame top has the installation piece, the top fixed mounting at the installation piece back has first driving motor, the fixed coupling of the other end of first driving motor output shaft has the circle axle, the internal surface and the fixed coupling of surface that the other end of circle axle extends to installation piece front end have the circle wheel, the fixed surface of circle wheel installs the second brush, the spacing groove that is located removal frame right-hand member is all seted up to the both sides on bottom plate top, the cavity that is located the spacing groove below is seted up to the inside of bottom plate.
As the utility model discloses it is preferred, the equal fixed mounting in front and back of removal frame bottom has the stopper that is located the spacing inslot portion, the bottom of stopper pass spacing groove and cavity in proper order and extend to the bottom of cavity and with the bottom swing joint of cavity, the right side fixed mounting of stopper rear end has tooth dental lamina.
As the utility model discloses it is preferred, the top fixed mounting of bottom plate has the second driving motor who is located the spacing groove back, the fixed cover of the other end of second driving motor output shaft has connect the loose axle, the other end of loose axle runs through bottom plate and cavity in proper order and extends to the bottom of cavity and the fixed cover of surface has connect the gear, the surface of gear meshes with the surface of tooth dental lamina rear end mutually.
As the utility model discloses preferred, the quantity of runner is two, two the size of runner is the same, and the surface roughness.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up the pneumatic cylinder, first brush and motor power, start motor power, will make the pivot drive the second gyro wheel and take place to rotate, and then drive first gyro wheel, the film of two runners and surface takes place to move, start the pneumatic cylinder here simultaneously, thereby drive the rectangular plate, the whole downward activity of semi-cylindrical piece and first brush, contact with the film surface until first brush, start the fan afterwards, will extract external gas through the exhaust tube, then the leading-in inside to semi-cylindrical piece of rethread conveyer pipe, the rethread blow gas to the surface of film, finally can carry out cleaning to the film through the inside air current of first brush and semi-cylindrical piece, and convenient and fast operation.
2. The utility model discloses a set up first driving motor, second brush and second driving motor, start first driving motor, will make the circle axle drive the whole rotation that takes place of circle wheel and second brush, thereby it carries out the secondary cleanness to the film of second gyro wheel surface to make the second brush, and because the winding is thicker of film, can start second driving motor this moment, will make the loose axle drive the gear and take place to rotate, thereby it drives the tooth dental lamina to drive because the surface of gear and the surface engaged with relation of tooth dental lamina rear end, stopper and removal frame whole move right, thereby realized carrying out the clear effect of secondary to the film of second gyro wheel surface, clear quality has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the back structure of the present invention;
FIG. 3 is a schematic sectional view of the present invention;
FIG. 4 is a schematic cross-sectional structural view of the cavity of the present invention;
FIG. 5 is a schematic cross-sectional view of a tooth plate according to the present invention;
fig. 6 is a partially enlarged structural view of a portion a in fig. 3.
In the figure: 1. a base plate; 2. a support frame; 3. a pneumatic cylinder; 4. a rectangular plate; 5. connecting blocks; 6. a semi-cylindrical block; 7. a vent; 8. a first brush; 9. a first support plate; 10. a first roller; 11. a support bar; 12. a rotating wheel; 13. a support frame; 14. a second support plate; 15. a power motor; 16. a rotating shaft; 17. a second roller; 18. a movable frame; 19. mounting a block; 20. a first drive motor; 21. a circular shaft; 22. a round wheel; 23. a second brush; 24. a limiting groove; 25. a cavity; 26. a limiting block; 27. a tooth plate; 28. a second drive motor; 29. a movable shaft; 30. a gear; 31. a blowing mechanism; 3101. a fan; 3102. a delivery pipe; 3103. and an air exhaust pipe.
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.
As shown in fig. 1 to 6, the utility model provides a cleaning device that CPP film manufacturing used, comprising a base plate 1, the middle part fixed mounting on 1 top of bottom plate has support frame 2, the middle part fixed mounting on 2 tops of support frame has pneumatic cylinder 3, the bottom of pneumatic cylinder 3 runs through support frame 2 and extends to the below and fixed mounting of support frame 2 has rectangular plate 4, the top fixed mounting of rectangular plate 4 has the mechanism 31 of blowing that is located the pneumatic cylinder 3 back, the equal fixed mounting in both sides of rectangular plate 4 bottom has connecting block 5, the bottom fixed mounting of connecting block 5 has semi-cylinder piece 6, blow vent 7 has been seted up to the bottom of semi-cylinder piece 6, the bottom fixed mounting of semi-cylinder piece 6 has first brush 8 that is located between blow vent 7, the right side fixed mounting on 1 top of bottom plate has first backup pad 9, first gyro wheel 10 has been cup jointed in the top activity of first backup pad 9, the top fixed mounting of bottom plate 1 has the bracing piece 11 that is located between support frame 2 and the first backup pad 9, the equal activity of the top of backup pad has cup jointed runner 12, the top fixed mounting of bottom plate 1 has the top of bottom plate is located support frame 2 and the support frame 14, the other end fixed mounting of the other end fixed has the other end fixed mounting of pivot 15 has the motor 16 that has extended to the fixed cover of the motor that has the pivot 16 and has the second backup pad inboard that extends to the second backup pad 14 of the pivot 16, the fixed cover that the pivot 16. The rear end of the rotating shaft 16 is movably sleeved with the inner wall of the second supporting plate 14.
Referring to fig. 3 to 5, the blowing mechanism 31 includes a blower 3101, a bottom end of the blower 3101 is fixedly connected to a top end of the rectangular plate 4, a conveying pipe 3102 is fixedly communicated with a bottom end of the blower 3101, a bottom end of the conveying pipe 3102 penetrates through the rectangular plate 4 and extends to a top of the semi-cylindrical block 6 and is fixedly communicated with a top of the semi-cylindrical block 6, and an exhaust pipe 3103 is fixedly communicated with a right end of the blower 3101.
As a technical optimization scheme of the utility model, through setting up fan 3101, because fan 3101's operation, will extract the external gas through exhaust tube 3103, then channel into to the inside of semicylinder piece 6 through conveyer pipe 3102.
Referring to fig. 1 to 3, a supporting frame 13 is fixedly installed at the middle of the top end of the bottom plate 1 and located between the supporting frames 2, and the size of the inner surface of the top end of the supporting frame 13 is matched with the size of the film.
As a technical optimization scheme of the utility model, through being provided with braced frame 13, when pneumatic cylinder 3 drove the whole decline of rectangular plate 4 and wash, braced frame 13 will play certain supporting role to the film at its top.
Referring to fig. 4 and 5, the top end of the bottom plate 1 is movably provided with a movable frame 18 positioned at the right end of the second support plate 14, the left two ends of the top of the movable frame 18 are fixedly provided with installation blocks 19, the top end of the back of the installation blocks 19 is fixedly provided with a first driving motor 20, the other end of the output shaft of the first driving motor 20 is fixedly sleeved with a circular shaft 21, the other end of the circular shaft 21 extends to the inner surface of the front end of the installation blocks 19, the outer surface of the circular shaft 21 is fixedly sleeved with a circular wheel 22, the outer surface of the circular wheel 22 is fixedly provided with a second hairbrush 23, the two sides of the top end of the bottom plate 1 are provided with limit grooves 24 positioned at the right end of the movable frame 18, and the inside of the bottom plate 1 is provided with cavities 25 positioned below the limit grooves 24.
As a technical optimization scheme of the utility model, through setting up first driving motor 20, because first driving motor 20's operation, will make circle axle 21 drive round wheel 22 and the whole emergence of second brush 23 and rotate to it is clean to make second brush 23 carry out the secondary to the surface of film.
Referring to fig. 4 and 5, the front and rear sides of the bottom of the movable frame 18 are fixedly provided with a limiting block 26 located inside the limiting groove 24, the bottom end of the limiting block 26 sequentially penetrates through the limiting groove 24 and the cavity 25, extends to the bottom end of the cavity 25 and is movably connected with the bottom end of the cavity 25, and the right side of the rear end of the limiting block 26 is fixedly provided with a tooth plate 27.
As the utility model discloses a technical optimization scheme, through being provided with spacing groove 24 and stopper 26, because the cooperation between spacing groove 24 and the stopper 26 will have played good limiting displacement to removing 18 overall activities.
Referring to fig. 4 and 5, a second driving motor 28 located at the back of the limiting groove 24 is fixedly installed at the top of the bottom plate 1, a movable shaft 29 is fixedly sleeved at the other end of an output shaft of the second driving motor 28, the other end of the movable shaft 29 sequentially penetrates through the bottom plate 1 and the cavity 25 and extends to the bottom of the cavity 25, a gear 30 is fixedly sleeved on the outer surface, and the outer surface of the gear 30 is meshed with the outer surface of the rear end of the tooth plate 27.
As a technical optimization scheme of the utility model, through being provided with second driving motor 28, because second driving motor 28's operation, will make loose axle 29 drive gear 30 and take place to rotate to make gear 30 drive tooth board 27, stopper 26 and remove the whole position activity that takes place of frame 18.
Referring to fig. 3, the number of the rotor 12 is two, and the two rotors 12 have the same size and have rough outer surfaces.
As a technical optimization scheme of the utility model, through setting up two runners 12, will make things convenient for operating personnel to pass through two runners 12 with the film at first gyro wheel 10 top for the film parallels with braced frame 13 and second gyro wheel 17 top, thereby is convenient for subsequent cleaning operation.
The utility model discloses a theory of operation and use flow:
firstly, the operator starts the power motor 15, the rotating shaft 16 with the second roller 17 will rotate, so that the film on the outer surface of the second roller 17 drives the first roller 10 and the two rotating wheels 12 to move to the left, the pneumatic cylinder 3 can be started at this time, the pneumatic cylinder 3 will drive the rectangular plate 4, the semi-cylindrical block 6 and the first brush 8 to move downwards integrally until the first brush 8 contacts with the film on the top of the supporting frame 13, and the fan 3101 is started at the same time, so that the air exhaust pipe 3103 extracts the outside air, and then the outside air is guided into the semi-cylindrical block 6 through the conveying pipe 3102, and then the outer surface of the film is blown through the air vent 7, and finally the film on the top of the supporting frame 13 is cleaned through the first brush 8 and the air flow.
If, when the operator needs to perform the secondary cleaning, the operator can start the first driving motor 20 at this time, the circular shaft 21 will drive the circular wheel 22 and the second brush 23, so as to perform the secondary cleaning on the film on the outer surface of the second roller 17 through the second brush 23, and when the film on the outer surface of the second roller 17 is increasingly thick, the second driving motor 28 can be started at this time, the movable shaft 29 will rotate the gear 30, and meanwhile, because the outer surface of the gear 30 is meshed with the outer surface of the back of the toothed plate 27, the limiting block 26 and the moving frame 18 are driven to move rightwards integrally, so that the operation is convenient and fast, the cleaning quality is improved, and convenience is brought to the operation and use of the operator.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (7)

1. A cleaning device for CPP film processing manufacturing use, includes bottom plate (1), its characterized in that: the middle part of bottom plate (1) top fixed mounting has support frame (2), the middle part fixed mounting on support frame (2) top has pneumatic cylinder (3), the bottom of pneumatic cylinder (3) runs through support frame (2) and extends to the below of support frame (2) and fixed mounting has rectangular plate (4), the top fixed mounting of rectangular plate (4) has the mechanism of blowing (31) that is located the pneumatic cylinder (3) back, the equal fixed mounting in both sides of rectangular plate (4) bottom has connecting block (5), the bottom fixed mounting of connecting block (5) has semicolumn piece (6), blow vent (7) have been seted up to the bottom of semicolumn piece (6), the bottom fixed mounting of semicolumn piece (6) has first brush (8) that are located between blow vent (7), the right side fixed mounting on bottom plate (1) top has first backup pad (9), the top activity of first backup pad (9) has cup jointed first gyro wheel (10), the top fixed mounting of bottom plate (1) has the bracing piece (11) that is located between support frame (2) and first backup pad (9), the upper and lower movable mounting of bracing piece (11) has the top all has second backup pad (12) top of runner (2), the positive top fixed mounting of second backup pad (14) has motor power (15), the fixed cover of the other end of motor power (15) output shaft has connect pivot (16), the other end of pivot (16) extends to the inboard and the fixed cover of surface of second backup pad (14) rear end and has connect second gyro wheel (17).
2. The cleaning device for processing and manufacturing a CPP thin film according to claim 1, characterized in that: the blowing mechanism (31) comprises a fan (3101), the bottom end of the fan (3101) is fixedly connected with the top end of the rectangular plate (4), the bottom end of the fan (3101) is fixedly communicated with a conveying pipe (3102), the bottom end of the conveying pipe (3102) penetrates through the rectangular plate (4), extends to the top of the semi-cylindrical block (6) and is fixedly communicated with the top of the semi-cylindrical block (6), and the right end of the fan (3101) is fixedly communicated with an exhaust pipe (3103).
3. The cleaning device for processing and manufacturing a CPP thin film according to claim 1, characterized in that: the middle part on bottom plate (1) top is fixed with braced frame (13) that are located between support frame (2), the size of braced frame (13) top internal surface and the size looks adaptation of film.
4. The cleaning device for processing and manufacturing a CPP thin film according to claim 1, characterized in that: the utility model discloses a round wheel, including bottom plate (1), top movable mounting have the removal frame (18) that are located second backup pad (14) right-hand member, the equal fixed mounting in both ends on removal frame (18) top left has installation piece (19), the top fixed mounting at installation piece (19) back has first driving motor (20), the fixed cover of the other end of first driving motor (20) output shaft has connect round axle (21), the other end of round axle (21) extends to the internal surface and the fixed cover of surface at installation piece (19) front end and has connect round wheel (22), the fixed surface of round wheel (22) installs second brush (23), spacing groove (24) that are located removal frame (18) right-hand member are all seted up to the both sides on bottom plate (1) top, cavity (25) that are located spacing groove (24) below are seted up to the inside of bottom plate (1).
5. The cleaning device for CPP thin film processing and manufacturing use of claim 4, characterized in that: remove the equal fixed mounting in front and back of frame (18) bottom and be located stopper (26) of spacing groove (24) inside, the bottom of stopper (26) passes spacing groove (24) and cavity (25) in proper order and extends to the bottom of cavity (25) and with the bottom swing joint of cavity (25), the right side fixed mounting of stopper (26) rear end has tooth board (27).
6. The cleaning device for processing and manufacturing a CPP thin film according to claim 1, characterized in that: the top fixed mounting of bottom plate (1) has second driving motor (28) that are located the spacing groove (24) back, the fixed cover of the other end of second driving motor (28) output shaft has connect loose axle (29), the other end of loose axle (29) runs through bottom plate (1) and cavity (25) in proper order and extends to the bottom of cavity (25) and the fixed cover of surface has connect gear (30), the surface of gear (30) meshes with the surface of tooth dental lamina (27) rear end mutually.
7. The cleaning device for processing and manufacturing a CPP thin film according to claim 1, characterized in that: the number of the rotating wheels (12) is two, the two rotating wheels (12) are the same in size, and the outer surfaces of the rotating wheels are rough.
CN202221433337.8U 2022-06-09 2022-06-09 Cleaning device for CPP film processing manufacturing uses Active CN217616256U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221433337.8U CN217616256U (en) 2022-06-09 2022-06-09 Cleaning device for CPP film processing manufacturing uses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221433337.8U CN217616256U (en) 2022-06-09 2022-06-09 Cleaning device for CPP film processing manufacturing uses

Publications (1)

Publication Number Publication Date
CN217616256U true CN217616256U (en) 2022-10-21

Family

ID=83625358

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221433337.8U Active CN217616256U (en) 2022-06-09 2022-06-09 Cleaning device for CPP film processing manufacturing uses

Country Status (1)

Country Link
CN (1) CN217616256U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115837793A (en) * 2022-12-16 2023-03-24 兰迪家居用品(永清)有限公司 Preparation method of production-used ultra-soft fireproof plate coated line plate with any shape

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115837793A (en) * 2022-12-16 2023-03-24 兰迪家居用品(永清)有限公司 Preparation method of production-used ultra-soft fireproof plate coated line plate with any shape
CN115837793B (en) * 2022-12-16 2023-06-06 兰迪家居用品(永清)有限公司 Preparation method for producing super-soft fireproof plate coated with any molding line plate

Similar Documents

Publication Publication Date Title
CN217616256U (en) Cleaning device for CPP film processing manufacturing uses
CN107931192B (en) LED screen cleaning equipment
CN214086394U (en) Conveying belt with surface dust removal function for mechanical automation
CN213316337U (en) Dust collecting equipment is used in composite sheet production
CN219519852U (en) Dust suction device for machine tool
CN210810809U (en) Hand-push type sweeper capable of adjusting distance between rolling brushes
CN218190435U (en) Can inhale to mould with composite sheet preparation with coating device who has structure of polishing
CN214459050U (en) Cleaning device for assembly line cloth conveying
CN212051125U (en) Cutting equipment for glass production
CN218753915U (en) Quick coiling mechanism of rubber strip production preparation
CN111573348A (en) Shopping cart wheel pressurization rolling equipment
CN215401393U (en) Impurity removing device for conveying belt
CN215745057U (en) Dust extraction suitable for paper printing
CN213798098U (en) Laminating machine is used in protection film processing
CN212335533U (en) Cloth guide mechanism with dust suction device
CN220479493U (en) Pressing device for processing release paper
CN114290194B (en) Dustproof and dust-removing gypsum coping device for denture production
CN117262673B (en) Spare part production conveyor
CN217968382U (en) Destaticizing device for PVC film processing
CN215970106U (en) Pad pasting device is used in display screen production
CN220836777U (en) Dust collecting equipment for packing decoration printed matter
CN220699469U (en) Air filter framing device
CN218285128U (en) Cleaning device for sander
CN213944193U (en) Dust collector is used in thermal film production
CN215321259U (en) Composite structure of dry type compound machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant