CN216323540U - Roll-to-roll UV coating and drying integrated machine - Google Patents

Roll-to-roll UV coating and drying integrated machine Download PDF

Info

Publication number
CN216323540U
CN216323540U CN202120041707.2U CN202120041707U CN216323540U CN 216323540 U CN216323540 U CN 216323540U CN 202120041707 U CN202120041707 U CN 202120041707U CN 216323540 U CN216323540 U CN 216323540U
Authority
CN
China
Prior art keywords
fixed
worm
roll
operation box
chain wheel
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.)
Expired - Fee Related
Application number
CN202120041707.2U
Other languages
Chinese (zh)
Inventor
王湘赣
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.)
Guangdong Sen Ren Machinery Co ltd
Original Assignee
Guangdong Sen Ren Machinery 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 Guangdong Sen Ren Machinery Co ltd filed Critical Guangdong Sen Ren Machinery Co ltd
Priority to CN202120041707.2U priority Critical patent/CN216323540U/en
Application granted granted Critical
Publication of CN216323540U publication Critical patent/CN216323540U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a roll-to-roll UV coating and drying integrated machine which comprises a workbench, wherein an operation box is fixed on the upper surface of the workbench, two cleaning rollers are arranged in the operation box and are arranged up and down, communicated through pipes are fixed at the front ends and the right ends of the two cleaning rollers, the two through pipes on the front side and the two through pipes on the rear side are rotatably connected to the inner wall of the operation box, second worm gears are sleeved and fixed on the two through pipes on the front side, a sewage treatment pool fixed on the upper surface of the workbench is arranged in the operation box and is positioned on the upper side of the cleaning rollers, and heating boxes are fixed at the top end and the bottom end in the operation box. The utility model integrates cleaning, sterilization, drying, air cooling and rolling, so that the operation is simple and rapid, the complicated operation process is avoided, and a large amount of time is saved, thereby effectively avoiding the waste of manpower and material resources.

Description

Roll-to-roll UV coating and drying integrated machine
Technical Field
The utility model relates to the technical field of drying, in particular to a roll-to-roll UV coating and drying integrated machine.
Background
The UV coating production needs to be cleaned, sterilized, rolled and the like, but the processes usually need a plurality of machines to complete the operation, which wastes a large amount of time and manpower and material resources.
Based on this, we propose a roll-to-roll UV coating and drying all-in-one machine to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In order to solve the technical problems in the background art, the utility model provides a roll-to-roll UV coating and drying all-in-one machine, which integrates cleaning, sterilization, drying, air cooling and rolling, so that the operation is simple and rapid, a complicated operation process is avoided, a large amount of time is saved, and the waste of manpower and material resources is effectively avoided.
(II) technical scheme
The utility model provides a roll-to-roll UV coating and drying integrated machine, which comprises a workbench, wherein an operation box is fixed on the upper surface of the workbench, two cleaning rollers are arranged in the operation box and are arranged up and down, communicated through pipes are fixed at the front ends and the right ends of the two cleaning rollers, the two through pipes at the front side and the two through pipes at the rear side are rotationally connected to the inner wall of the operation box, a second worm wheel is sleeved and fixed on the two through pipes at the front side, a sewage treatment pool fixed on the upper surface of the workbench is arranged in the operation box and is positioned at the upper side of the cleaning rollers, heating boxes are fixed at the top end and the bottom end in the operation box and are positioned at the right side of the sewage treatment pool, air outlet pipes are arranged in the two heating boxes, and a heat mechanism is arranged at the inner sides of the two air outlet pipes, the two heat mechanisms are fixed in the heating box through a fixing frame, the left side of the heating box is provided with a vertical plate fixed in the operation box, the top end and the bottom end in the operation box are both rotatably connected with vertical rods, the two vertical rods are positioned on the right side of the vertical plate, one ends of the two vertical rods, which are close to each other, are both fixed with fan blades, the two vertical rods are both sleeved and fixed with third belt pulleys, the left side wall and the right side wall of the operation box are both fixed with lug plates through mounting plates, a longitudinal rod is respectively rotatably connected between the two lug plates, the front ends of the two longitudinal rods extend to the front sides of the lug plates, the two longitudinal rods are both sleeved and fixed with hollow rollers, the longitudinal rod on the right side is sleeved and fixed with a first worm wheel, the first worm wheel is positioned on the front sides of the lug plates, the upper surface of the operation box is fixed with a motor through a support plate, and the upper surface of the operation box is fixed with a blower box body through a support frame, the driving shaft of the blower box body is fixedly connected with the output end of the motor, a chain wheel a is fixedly sleeved on the output shaft of the motor, a chain wheel b is arranged on the left side of the chain wheel a, a second worm is fixedly arranged at the lower end of the chain wheel b through a first rotating rod and is positioned in the operating box, a third worm is fixedly arranged at the lower end of the second worm, a chain wheel c is arranged on the right side of the chain wheel a, a second rotating rod is fixedly arranged at the lower end of the chain wheel c, a first worm is fixedly arranged on the second rotating rod through a bearing seat and is meshed with a first worm wheel, a first belt pulley is fixedly sleeved on the second rotating rod and is in transmission connection with a third belt pulley on the upper side through a first belt, a third rotating rod is fixedly arranged at the lower end of the first worm, and the lower end of the third rotating rod is rotatably connected to the upper surface of the workbench, the third bull stick is gone up the cover and is established and be fixed with the second belt pulley, just the second belt pulley passes through second belt and downside the third belt pulley transmission is connected, the left side of sprocket b is provided with the water tank, just the water tank is fixed in the control box upper surface through the support, the control box rear surface is connected with the chamber door through hinge rotation.
Preferably, the left end of the second worm is in meshed connection with the second worm wheel on the upper side, the left end of the third worm is in meshed connection with the second worm wheel on the lower side, and the rotation directions of the second worm and the third worm are opposite.
Preferably, an air outlet end of the blower box body is fixedly provided with an air pipe tee joint through a first air pipe, the front end of the air pipe tee joint is communicated with an air outlet pipe at the upper end through a second air pipe, and the rear end of the air pipe tee joint is communicated with an air outlet pipe at the lower end through a third air pipe.
Preferably, the chain wheel a, the chain wheel b and the chain wheel c are connected through a chain transmission.
Preferably, the lower surface of the water tank is fixedly provided with a sewer pipe which is communicated with the sewer pipe, the lower end of the sewer pipe is fixedly provided with a water pipe tee joint through a first water pipe, the right end of the water pipe tee joint is communicated with the through pipe at the upper end through a second water pipe, and the left end of the water pipe tee joint is communicated with the through pipe at the lower end through a third water pipe.
Preferably, the sewer pipe is provided with a valve.
Compared with the prior art, the utility model has the beneficial effects that:
cleaning the UV coating through the arrangement of a cleaning roller, a water tank and the like;
the UV coating is sterilized and dried through the arrangement of a heating box, a heating mechanism, an air outlet pipe, a blower box body and the like;
the fan blades, the third belt pulley, the first belt pulley and the like are arranged to cool the UV coating;
the UV coating is wound through the arrangement of a hollow roller, a first worm gear, a first worm, an ear plate and the like;
the above effects are achieved through the design of the all-in-one machine, so that the operation is simple and rapid, the complex operation process is avoided, a large amount of time is saved, and the waste of manpower and material resources is effectively avoided.
Drawings
FIG. 1 is a front cross-sectional view of a roll-to-roll UV coating and drying integrated machine according to the present invention;
fig. 2 is a rear view of a roll-to-roll UV coating and drying all-in-one machine according to the present invention.
In the figure: the sewage treatment device comprises a workbench 1, an operation box 2, an ear plate 3, a hollow roller 4, a motor 5, a first worm 6, a first worm wheel 7, a sewage treatment pool 8, a heating box 9, a cleaning roller 10, a second worm wheel 11, a second worm 12, a third worm 13, a chain wheel 14 a, a chain wheel 15 b, a chain wheel 16 c, a blower box 17, an air outlet pipe 18, a heating mechanism 19, fan blades 20, a first belt pulley 21, a second belt pulley 21, a third belt pulley 23, a water tank 24 and a box door 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in the figure 1-2, the roll-to-roll UV coating and drying integrated machine provided by the utility model comprises a workbench 1, wherein an operation box 2 is fixed on the upper surface of the workbench 1, two cleaning rollers 10 are arranged in the operation box 2, the two cleaning rollers 10 are arranged up and down, through pipes which are communicated with each other are fixed at the front ends and the right ends of the two cleaning rollers 10, the two through pipes at the front side and the two through pipes at the rear side are both rotatably connected to the inner wall of the operation box 2, second worm gears 11 are respectively sleeved and fixed on the two through pipes at the front side, a sewage treatment pool 8 fixed on the upper surface of the workbench 1 is arranged in the operation box 2, the sewage treatment pool 8 is positioned on the upper side of the cleaning rollers 10, heating boxes 9 are respectively fixed at the top end and the bottom end in the operation box 2, the two heating boxes 9 are positioned on the right side of the sewage treatment pool 8, air outlet pipes 18 are respectively arranged in the two heating boxes 9, and heat mechanisms 19 are respectively arranged on the inner sides of the two air outlet pipes 18, two heat mechanisms 19 are fixed in a heating box 9 through a fixing frame, the left side of the heating box 9 is provided with a vertical plate fixed in an operation box 2, the top end and the bottom end in the operation box 2 are both rotatably connected with vertical rods, the two vertical rods are positioned on the right side of the vertical plate, one ends of the two vertical rods close to each other are both fixed with fan blades 20, the two vertical rods are both sleeved and fixed with third belt pulleys 23, the left side wall and the right side wall of the operation box 2 are both fixed with lug plates 3 through mounting plates, a longitudinal rod is rotatably connected between the two lug plates 3, the front ends of the two longitudinal rods extend to the front sides of the lug plates 3, the two longitudinal rods are both sleeved and fixed with hollow rollers 4, the longitudinal rod on the right side is sleeved and fixed with a first worm wheel 7, the first worm wheel 7 is positioned on the front sides of the lug plates 3, the upper surface of the operation box 2 is fixed with a motor 5 through a supporting plate, the upper surface of the operation box 2 is fixed with a blower box body 17 through a supporting frame, the driving shaft of the blower box 17 is fixedly connected with the output end of the motor 5, the output shaft of the motor 5 is fixedly sleeved with a chain wheel a14, the left side of the chain wheel a14 is provided with a chain wheel b15, the lower end of the chain wheel b15 is fixed with a second worm 12 through a first rotating rod, the second worm 12 is positioned in the operation box 2, the lower end of the second worm 12 is fixed with a third worm 13, the right side of the chain wheel a14 is provided with a chain wheel c16, the lower end of the chain wheel c16 is fixed with a second rotating rod, the second rotating rod is fixed with a first worm 6 through a bearing seat, the first worm 6 is meshed with a first worm wheel 7, the second rotating rod is fixedly sleeved with a first belt pulley 21, the first belt pulley 21 is in transmission connection with a third belt pulley 23 on the upper side through a first belt, the lower end of the first worm 6 is fixed with a third rotating rod, the lower end of the third rotating rod is rotatably connected with the upper surface of the workbench 1, the third rotating rod is fixedly sleeved with a second belt pulley 22, and the second belt pulley 22 is in transmission connection with a third belt pulley 23 on the lower side through a second belt, a water tank 24 is arranged on the left side of the chain wheel b15, the water tank 24 is fixed on the upper surface of the operation box 2 through a bracket, and the rear surface of the operation box 2 is rotatably connected with a box door 25 through a hinge.
In an alternative embodiment, the left end of the second worm 12 is engaged with the second worm wheel 11 on the upper side, the left end of the third worm 13 is engaged with the second worm wheel 11 on the lower side, and the rotation directions of the second worm 12 and the third worm 13 are opposite, so that the two second worm wheels 11 are reversely rotated, the two cleaning rollers 10 are reversely rotated, and the UV coating is conveniently washed by water.
In an optional embodiment, an air outlet end of the blower box 17 is fixed with an air pipe tee joint through a first air pipe, a front end of the air pipe tee joint is communicated with an air outlet pipe 18 at an upper end through a second air pipe, and a rear end of the air pipe tee joint is communicated with the air outlet pipe 18 at a lower end through a third air pipe, so that heat generated by the heating mechanism 19 can be rapidly circulated, and further, the UV coating can be dried and sterilized conveniently.
In an alternative embodiment, sprocket a14, sprocket b15, and sprocket c16 are linked by a chain drive that facilitates rotation of sprocket a14 by causing sprocket b15 to rotate with sprocket c 16.
In an alternative embodiment, the lower surface of the water tank 24 is fixed with a sewer pipe which is communicated with the lower surface of the water tank, the lower end of the sewer pipe is fixed with a water pipe tee joint through a first water pipe, the right end of the water pipe tee joint is communicated with a through pipe at the upper end through a second water pipe, and the left end of the water pipe tee joint is communicated with a through pipe at the lower end through a third water pipe, so that water is conveniently supplied into the cleaning roller 10, and cleaning of UV coating is facilitated.
In an alternative embodiment, the sewer pipe is provided with a valve for controlling water and avoiding the water from flowing out automatically.
The working principle is as follows: firstly, the box door 25 is opened, UV coating on the left hollow roller 4 is placed between the two cleaning rollers 10 through the through groove formed in the left surface of the operation box 2, then the UV coating sequentially passes through the longitudinal groove formed in the vertical plate and the through groove formed in the right surface of the operation box 2, then the UV coating is fixed on the right hollow roller 4, then the box door 25 is closed, further, the motor 5 and the heating mechanism 19 are started to work together, the motor 5 can drive the driving shaft of the blower box 17 to rotate while the chain wheel a14 works, the blower box 17 can blow the air to be input into the heating box 9 through the air outlet pipe 18, further, heat generated by the heating mechanism 19 enters the operation box 2 through the opening in the lower surface of the heating box 9, in addition, the rotation of the chain wheel a14 can drive the chain wheel b15 and the chain wheel c16 to rotate together through a chain, the rotation of the chain wheel b15 can drive the first rotating rod to drive the second worm 12 and the third worm 13 to rotate, further, the two second worm gears 11 are reversely rotated, so that the two cleaning rollers 10 are reversely rotated, the valve is opened at the same time, water in the water tank 24 enters the two cleaning rollers 10 with a plurality of water outlet through holes through a water pipe, and simultaneously, the rotation of the chain wheel c16 can enable the second rotating rod to drive the first worm 6 and the third rotating rod to rotate together, the rotation of the second rotating rod and the third rotating rod can enable the first belt pulley 21 and the second belt pulley 22 to drive the third belt pulley 23 to rotate through a belt, further, the two fan blades 20 are rotated, the rotation of the first worm 6 can enable the first worm gear 7 to rotate, further, the longitudinal rod drives the hollow roller 4 on the right side to rotate, so that the UV coating moves to the right, the two cleaning rollers 10 clean the two sides of the UV coating while moving, and heat emitted from the heating tank 9 can dry the two sides of the cleaned UV coating, The fan blades 20 are cooled finally after sterilization, and the cooled UV coating is rolled on the hollow roller 4 on the right side.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a roll-to-roll UV coating and drying integrated machine, includes workstation (1), its characterized in that, surface mounting has operation box (2) on workstation (1), be provided with two cleaning rollers (10) in operation box (2), and two set up from top to bottom cleaning roller (10), two the front end and the right-hand member of cleaning roller (10) all are fixed with the siphunculus that communicates with each other and set up, and two of front side the siphunculus all rotates with two of rear side the siphunculus is connected in operation box (2) inner wall, two of front side all the cover is established and is fixed with second worm wheel (11) on the siphunculus, be provided with in operation box (2) and be fixed in workstation (1) upper surface's sewage treatment pond (8), just sewage treatment pond (8) are located cleaning roller (10) upside, inside top and inside bottom of operation box (2) all are fixed with heating cabinet (9), and two heating boxes (9) are positioned on the right side of the sewage treatment pool (8), air outlet pipes (18) are arranged in the two heating boxes (9), two heat mechanisms (19) are arranged on the inner sides of the air outlet pipes (18), the two heat mechanisms (19) are fixed in the heating boxes (9) through fixing frames, a vertical plate fixed in the operation box (2) is arranged on the left side of the heating boxes (9), vertical rods are rotatably connected with the inner top end and the inner bottom end of the operation box (2), the two vertical rods are positioned on the right side of the vertical plate, one ends of the two vertical rods, which are close to each other, are fixedly provided with fan blades (20), third belt pulleys (23) are fixedly sleeved on the two vertical rods, ear plates (3) are fixedly arranged on the left side wall and the right side wall of the operation box (2) through mounting plates, and longitudinal rods are rotatably connected between the two ear plates (3), the front ends of the two longitudinal rods extend to the front side of the lug plate (3), the two longitudinal rods are sleeved with hollow rollers (4), the longitudinal rod on the right side is sleeved with a first worm wheel (7), the first worm wheel (7) is located on the front side of the lug plate (3), the upper surface of the operation box (2) is fixed with a motor (5) through a support plate, the upper surface of the operation box (2) is fixed with a blower box body (17) through a support frame, a driving shaft of the blower box body (17) is fixedly connected with the output end of the motor (5), an output shaft of the motor (5) is sleeved with a chain wheel a (14), the left side of the chain wheel a (14) is provided with a chain wheel b (15), the lower end of the chain wheel b (15) is fixed with a second worm (12) through a first rotating rod, and the second worm (12) is located in the operation box (2), the lower end of the second worm (12) is fixed with a third worm (13), the right side of the chain wheel a (14) is provided with a chain wheel c (16), the lower end of the chain wheel c (16) is fixed with a second rotating rod, the second rotating rod is fixed with a first worm (6) through a bearing seat, the first worm (6) is meshed with a first worm wheel (7) and is connected with the first worm wheel (7), a first belt pulley (21) is sleeved on the second rotating rod and is fixed with the second rotating rod, the first belt pulley (21) is in transmission connection with a third belt pulley (23) on the upper side through a first belt, the lower end of the first worm (6) is fixed with the third rotating rod, the lower end of the third rotating rod is in transmission connection with the upper surface of the workbench (1), a second belt pulley (22) is sleeved on the third rotating rod and is fixed with the second belt pulley (22), and the second belt pulley (22) is in transmission connection with the third belt pulley (23) on the lower side through a second belt, the left side of sprocket b (15) is provided with water tank (24), just water tank (24) are fixed in control box (2) upper surface through the support, control box (2) rear surface is connected with chamber door (25) through hinge rotation.
2. A roll-to-roll UV coating and drying all-in-one machine as claimed in claim 1, characterized in that the left end of the second worm (12) is in meshed connection with the second worm wheel (11) on the upper side, the left end of the third worm (13) is in meshed connection with the second worm wheel (11) on the lower side, and the rotation directions of the second worm (12) and the third worm (13) are opposite.
3. The roll-to-roll UV coating and drying all-in-one machine is characterized in that a gas pipe tee joint is fixed at the air outlet end of the blower box body (17) through a first gas pipe, the front end of the gas pipe tee joint is communicated with an air outlet pipe (18) at the upper end through a second gas pipe, and the rear end of the gas pipe tee joint is communicated with an air outlet pipe (18) at the lower end through a third gas pipe.
4. The integrated roll-to-roll UV coating and drying machine according to claim 1, wherein the chain wheel a (14), the chain wheel b (15) and the chain wheel c (16) are connected through a chain transmission.
5. The integrated roll-to-roll UV coating and drying machine as claimed in claim 1, wherein a sewer pipe is fixed on the lower surface of the water tank (24) and is communicated with the lower end of the sewer pipe, a water pipe tee joint is fixed on the lower end of the sewer pipe through a first water pipe, the right end of the water pipe tee joint is communicated with the through pipe at the upper end through a second water pipe, and the left end of the water pipe tee joint is communicated with the through pipe at the lower end through a third water pipe.
6. The all-in-one machine for roll-to-roll UV coating, drying and drying as claimed in claim 5, wherein a valve is installed on the sewer pipe.
CN202120041707.2U 2021-01-08 2021-01-08 Roll-to-roll UV coating and drying integrated machine Expired - Fee Related CN216323540U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120041707.2U CN216323540U (en) 2021-01-08 2021-01-08 Roll-to-roll UV coating and drying integrated machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120041707.2U CN216323540U (en) 2021-01-08 2021-01-08 Roll-to-roll UV coating and drying integrated machine

Publications (1)

Publication Number Publication Date
CN216323540U true CN216323540U (en) 2022-04-19

Family

ID=81127908

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120041707.2U Expired - Fee Related CN216323540U (en) 2021-01-08 2021-01-08 Roll-to-roll UV coating and drying integrated machine

Country Status (1)

Country Link
CN (1) CN216323540U (en)

Similar Documents

Publication Publication Date Title
CN216323540U (en) Roll-to-roll UV coating and drying integrated machine
CN113732952A (en) Die steel dust collector that polishes
CN107811750A (en) A kind of preoperative handwashing facilities of ophthalmic
CN209061825U (en) Soil remediation rotary scrubber
CN216048908U (en) Automobile parts drying device
CN214469965U (en) Seed processing is equipped with circulation dry heat treatment
CN107366130A (en) Washing machine
CN213040888U (en) Drying device that production citric acid was used
CN111603583A (en) Supply room disinfection and sterilization nursing device for preventing nosocomial infection
CN208116246U (en) A kind of clear drift baking all-in-one machine for pallet
CN107631581B (en) Split type large drying layer
CN219572568U (en) Drying and sterilizing device for bath towel production
CN220103573U (en) Drying device with disinfection function
CN112337862A (en) Efficient cleaning and drying equipment for cylindrical automobile parts
CN220689630U (en) Food drying equipment
CN210386898U (en) Machining device for optical cover plate
CN220532430U (en) Toy cleaning and sterilizing device
CN214842006U (en) Glass processing cooling device
CN216204811U (en) Drying system
CN219501594U (en) Sanitation work clothes disinfection device
CN212409258U (en) Semi-automatic cleaning and drying equipment
CN108636477B (en) Super clean bench
CN218756635U (en) Clothes drying treatment device
CN218043671U (en) Automatic cleaning equipment is used in dehydrated vegetable processing
CN215230491U (en) Hot air type dry heat sterilization device for medical consumables

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220419