CN112277434A - Intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution - Google Patents

Intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution Download PDF

Info

Publication number
CN112277434A
CN112277434A CN202011174444.9A CN202011174444A CN112277434A CN 112277434 A CN112277434 A CN 112277434A CN 202011174444 A CN202011174444 A CN 202011174444A CN 112277434 A CN112277434 A CN 112277434A
Authority
CN
China
Prior art keywords
moving
rod
air bag
fixedly connected
water supply
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.)
Withdrawn
Application number
CN202011174444.9A
Other languages
Chinese (zh)
Inventor
刘铭钰
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.)
Wenzhou Suokatu E Commerce Co ltd
Original Assignee
Wenzhou Suokatu E Commerce 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 Wenzhou Suokatu E Commerce Co ltd filed Critical Wenzhou Suokatu E Commerce Co ltd
Priority to CN202011174444.9A priority Critical patent/CN112277434A/en
Publication of CN112277434A publication Critical patent/CN112277434A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F7/00Rotary lithographic machines
    • B41F7/20Details
    • B41F7/24Damping devices
    • B41F7/32Ducts, containers, or like supply devices for liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F7/00Rotary lithographic machines
    • B41F7/20Details
    • B41F7/24Damping devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)

Abstract

The invention relates to the technical field of printing, and discloses an intelligent and energy-saving pressurized water supply device for fountain solution of a printing machine. This intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution carries out clockwise rotation through promoting the poker rod, then drives the track dish and carries out clockwise rotation, the fourth spring is compressed this moment to drive first motion piece and slide along the track on the track dish and the rectangular channel on the first motion circle box and open, make rivers flow in UV drying system, among the infrared drying system, this structure has reached the intelligent effect that can normally work of rated water pressure and equipment of supplying with.

Description

Intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution
Technical Field
The invention relates to the technical field of printing, in particular to an intelligent and energy-saving pressurized water supply device for fountain solution of a printing machine.
Background
With the continuous development of science and technology, intellectualization has been widely applied to various industries, wherein printing equipment in the printing industry has a UV drying system and an infrared drying system which all need to be cooled by water, ordinary water can form scale in a pipeline under the action of high temperature, and pure water is generally adopted for supplying at present.
Most of purified water filters in the market at present produce water pressure and are limited, can not directly pressurize and supply UV drying system, infrared drying system, and the water pressure of UV drying system, infrared drying system's use is more than 0.5mpa, can not supply the rivers that the water pressure is more than 0.5mpa, and the water yield of purified water filter production is comparatively slow moreover, and the booster pump is doing useless work sometimes, has consumed a large amount of electric energy, and the long-time work of booster pump causes the damage easily. The above situation may cause problems that a rated water pressure cannot be supplied, the apparatus cannot be operated normally, a large amount of electric power is consumed, and the booster pump is easily damaged.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an intelligent and energy-saving pressurized water supply device for fountain solution of a printing machine, which has the advantages of intelligent supply of rated water pressure, normal operation of equipment, energy conservation and difficulty in damage, and solves the problems that the existing water supply device for the printing machine cannot supply rated water pressure, the equipment cannot normally operate, consumes a large amount of electric energy and is easy to damage.
(II) technical scheme
In order to achieve the purposes of intelligently supplying rated water pressure, enabling equipment to work normally, saving energy and being not easy to damage, the invention provides the following technical scheme: an intelligent and energy-saving pressurized water supply device for fountain solution of a printing machine comprises a water storage tank, wherein a water inlet pipe is arranged at the lower left side of the water storage tank, a water storage chamber is arranged at the inner side of the water inlet pipe, a booster pump is arranged in the water storage chamber, a floating ball is arranged at the upper left side of the booster pump and in the water storage chamber, a first moving rod is fixedly connected to the upper side of the floating ball, a first metal block is fixed to the upper side of the first moving rod, a first moving chamber is slidably connected to the outer side of the first metal block, a second metal block is arranged at the upper side of the first metal block and in the first moving chamber, a first air bag is arranged at the upper inner side of the water storage tank, a first air pipe is fixedly connected to the right side of the first air bag, a second air bag is fixedly connected to the lower side of the first air pipe, a second moving chamber is arranged at the outer side of the second air bag, a second moving rod is arranged at the, the outside of second carriage release lever and at the right side sliding connection of second gasbag have a motion section of thick bamboo, the right side of a motion section of thick bamboo and be provided with first spring in the outside of second carriage release lever, the upper right side of second carriage release lever is provided with the restriction pole, the upside fixedly connected with second spring of restriction pole, the downside fixedly connected with second trachea of third gasbag, the tracheal right side fixedly connected with fourth gasbag of second, the right side fixedly connected with third spring of fourth gasbag, the downside of second motion room is provided with the delivery pipe, the first motion circle box of right side fixedly connected with of delivery pipe, the inboard of first motion circle box is provided with the track dish, the preceding side sliding connection of track dish has first motion piece, the upside fixedly connected with poker rod of track dish, fixedly connected with fourth spring between poker rod and the track dish.
Preferably, the second movable rod is provided with a convex block corresponding to the limiting rod, the convex block and the limiting rod are both arc-shaped, the limiting rod is limited to move rightwards in an initial state by the convex block and the limiting rod, and when the second movable rod has a force capable of breaking through the limiting rod, the limiting rod is pushed to move upwards so as to pass through the limiting rod.
Preferably, the second movable rod is provided with a trapezoidal block corresponding to the poking rod, and the second movable rod moves rightwards and pushes the poking rod to rotate through the corresponding trapezoidal block, so that the effect of driving the track disc to rotate is achieved.
Preferably, the first moving round box is provided with an arc-shaped groove corresponding to the poking rod, and the poking rod can move back and forth in the arc-shaped groove through the arc-shaped groove corresponding to the first moving round box, so that the effect of driving the track disc to rotate back and forth is achieved.
Preferably, the first moving round box is provided with a rectangular groove corresponding to the first moving block, and the first moving block can slide back and forth in the rectangular groove by the rectangular groove corresponding to the first moving block, so that the opening and closing effect of the first moving block is achieved.
Preferably, the track disc is provided with a through hole corresponding to the first moving block, and after the first moving block is opened, water flows out of the through hole.
(III) advantageous effects
Compared with the prior art, the invention provides an intelligent and energy-saving pressurized water supply device for fountain solution of a printing machine, which has the following beneficial effects:
1. this intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution, water level through in the reservoir chamber rises gradually, thereby it rises gradually to drive the floater, the floater drives and rises gradually rather than fixed connection's first carriage release lever, reach a timing when the water level, fixed connection's first metal block and second metal block contact on the first carriage release lever, then the booster pump begins work and pours into the water storage tank with the water, first metal block and second metal block phase separation after the water level descends, the booster pump stop work, this structure has reached the effect that energy saving and booster pump are difficult for causing the damage.
2. The intelligent and energy-saving pressurized water supply device for the fountain solution of the printing machine can push the second movable rod to pass through the limiting rod by the expansion force of the second air bag, so that the second movable rod moves rightwards, simultaneously pressing the third air bag, the gas in the third air bag flows into the fourth air bag through the second air pipe, at the moment, the fourth air bag is expanded, the third spring is compressed, the second movable rod moves rightwards, because the trapezoidal block corresponding to the poke rod is arranged on the poke rod, the poke rod is pushed to rotate clockwise, then the track disc is driven to rotate clockwise, at the moment, the fourth spring is compressed, so that the first moving block is driven to slide and open along the track on the track disc and the rectangular groove on the first moving round box, water flows into the UV drying system and the infrared drying system, the structure achieves the effects of intelligently supplying rated water pressure and enabling the equipment to work normally.
Drawings
FIG. 1 is a schematic front view of the internal structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the first kinematic cylinder according to the present invention;
FIG. 3 is a schematic view of the internal structure of the first movable round box of the present invention after movement;
FIG. 4 is a schematic structural diagram of a first motion block according to the present invention;
FIG. 5 is a schematic structural diagram of a track plate and a first motion block according to the present invention;
FIG. 6 is a schematic view of a second motion chamber according to the present invention;
FIG. 7 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
fig. 8 is a schematic structural view of a second moving bar according to the present invention.
In the figure: 1. a water storage tank; 2. a water inlet pipe; 3. a water storage chamber; 4. a booster pump; 5. a floating ball; 6. a first movable bar; 7. a first metal block; 8. a first motion chamber; 9. a second metal block; 10. a first air bag; 11. a first air pipe; 12. a second motion chamber; 13. a second air bag; 14. a second movable bar; 15. a third air cell; 16. a motion cylinder; 17. a first spring; 18. a restraining bar; 19. a second spring; 20. a second air pipe; 21. a fourth air bag; 22. a third spring; 23. a water supply pipe; 24. a first kinematic cylinder; 25. a track disk; 26. a first motion block; 27. a poke rod; 28. and a fourth spring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an intelligent and energy-saving pressurized water supply device for fountain solution of a printing press comprises a water storage tank 1, a water inlet pipe 2 is arranged at the lower left side of the water storage tank 1, a water storage chamber 3 is arranged at the inner side of the water inlet pipe 2, a booster pump 4 is arranged inside the water storage chamber 3, a floating ball 5 is arranged at the upper left side of the booster pump 4 and inside the water storage chamber 3, a first moving rod 6 is fixedly connected to the upper side of the floating ball 5, a first metal block 7 is fixed to the upper side of the first moving rod 6, a first moving chamber 8 is slidably connected to the outer side of the first metal block 7, a second metal block 9 is arranged at the upper side of the first metal block 7 and inside the first moving chamber 8, a first air bag 10 is arranged at the upper inside of the water storage tank 1, a first air pipe 11 is fixedly connected to the right side of the first air bag 10, a second air bag 13 is fixedly connected to the lower side of the first air, the inner side of the second airbag 13 is provided with a second moving rod 14, the second moving rod 14 is provided with a trapezoidal block corresponding to the poke rod 27, and the corresponding trapezoidal block is arranged, so that the second moving rod 14 moves rightwards and meanwhile pushes the poke rod 27 to rotate, and the effect of driving the track disc 25 to rotate is achieved. The second moving rod 14 is provided with a convex block corresponding to the limiting rod 18, the convex block and the limiting rod 18 are both in the shape of an arc, the limiting rod 18 limits the second moving rod 14 from moving rightwards in the initial state by the convex block and the limiting rod 18, and when the second moving rod 14 has a force capable of breaking through the limiting rod 18, the limiting rod 18 is pushed to move upwards so as to pass through the limiting rod 18.
A third air bag 15 is arranged on the outer side of the second moving rod 14 and on the left side of the second air bag 13, a moving cylinder 16 is connected on the outer side of the second moving rod 14 and on the right side of the second air bag 13 in a sliding manner, a first spring 17 is arranged on the right side of the moving cylinder 16 and on the outer side of the second moving rod 14, a limiting rod 18 is arranged on the upper right side of the second moving rod 14, a second spring 19 is fixedly connected on the upper side of the limiting rod 18, a second air pipe 20 is fixedly connected on the lower side of the third air bag 15, a fourth air bag 21 is fixedly connected on the right side of the second air pipe 20, a third spring 22 is fixedly connected on the right side of the fourth air bag 21, a water supply pipe 23 is arranged on the lower side of the second moving chamber 12, a first moving round box 24 is fixedly connected on the right side of the water supply pipe 23, a rectangular groove corresponding to the first moving block 26 is formed in the first moving round box 24, and the first moving block 26 can slide, thereby achieving the effect of opening and closing the first motion block 26. The inner side of the first moving round box 24 is provided with a track disc 25, the track disc 25 is provided with a through hole corresponding to the first moving block 26, and after the first moving block 26 is opened, water flows out of the through hole. A first motion block 26 is connected to the front side of the track disc 25 in a sliding manner, a poke rod 27 is fixedly connected to the upper side of the track disc 25, and a fourth spring 28 is fixedly connected between the poke rod 27 and the track disc 25.
The working principle is as follows: this device is at the during operation, the water that the pure water filter strained flows into in the middle of reservoir chamber 3 from inlet tube 2, because the pure water that the filter produced is comparatively slow, water level in the reservoir chamber 3 rises gradually, thereby it rises gradually to drive floater 5, floater 5 drives and rises gradually rather than fixed connection's first movable rod 6, reach a timing when the water level, fixed connection's first metal block 7 and second metal block 9 contact on the first movable rod 6, then booster pump 4 begins work and goes into water storage tank 1 with the water pump, first metal block 7 and second metal block 9 phase separation after the water level descends, booster pump 4 stop work, this structure has reached the effect that energy saving and booster pump are difficult for causing the damage.
When the water in the water storage tank 1 is full, the water flow is made to press the first air bag 10, so that the water in the water storage tank 1 is pressurized, then the gas in the first air bag 10 flows into the second air bag 13 through the first air pipe 11, so that the second air bag 13 is expanded to push the moving cylinder 16 to move rightwards, thereby compressing the first spring 17, then the first spring 17 pushes the second moving rod 14 to move rightwards, because the limiting rod 18 limits the movement of the second moving rod 14, so that the water in the water storage tank 1 is continuously pressurized, when the water in the water storage tank 1 is pressurized to be more than 0.5mpa, the expansion force of the second air bag 13 can push the second moving rod 14 to move rightwards through the limiting rod 18, so that the second moving rod 14 moves rightwards, simultaneously the third air bag 15 is pressed, the gas in the third air bag 15 flows into the fourth air bag 21 through the second air pipe 20, at the moment the fourth air bag 21 is expanded, the third spring 22 is compressed, the second moving rod 14 moves rightwards, because be provided with the trapezoidal piece corresponding with poker rod 27 on it, thereby promote poker rod 27 and carry out clockwise rotation, then drive track dish 25 and carry out clockwise rotation, fourth spring 28 is compressed this moment, thereby drive first motion piece 26 and slide along the track on the track dish 25 and the rectangular channel on the first motion circle box 24 and open, make rivers flow in UV drying system, among the infrared drying system, when water pressure is less than more than 0.5mpa, gas among the fourth gasbag 21 flows back to third gasbag 15, thereby drive second movable rod 14 and reset left, first motion piece 26 resets under the effect of fourth spring 28, this structure has reached the effect that the normal work of rated water pressure and equipment is supplied with in the intellectuality.
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 (6)

1. The utility model provides an intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution, includes water storage tank (1), its characterized in that: a water inlet pipe (2) is arranged on the lower left side of the water storage tank (1), a water storage chamber (3) is arranged on the inner side of the water inlet pipe (2), a booster pump (4) is arranged in the water storage chamber (3), a floating ball (5) is arranged on the upper left side of the booster pump (4) and in the water storage chamber (3), a first moving rod (6) is fixedly connected to the upper side of the floating ball (5), a first metal block (7) is fixed to the upper side of the first moving rod (6), a first moving chamber (8) is slidably connected to the outer side of the first metal block (7), a second metal block (9) is arranged on the upper side of the first metal block (7) and in the first moving chamber (8), a first air bag (10) is arranged on the upper side of the water storage tank (1), a first air pipe (11) is fixedly connected to the right side of the first air pipe (10), a second air bag (13) is fixedly connected to the, a second moving chamber (12) is arranged on the outer side of the second air bag (13), a second moving rod (14) is arranged on the inner side of the second air bag (13), a third air bag (15) is arranged on the outer side of the second moving rod (14) and on the left side of the second air bag (13), a moving cylinder (16) is connected on the outer side of the second moving rod (14) and on the right side of the second air bag (13) in a sliding manner, a first spring (17) is arranged on the right side of the moving cylinder (16) and on the outer side of the second moving rod (14), a limiting rod (18) is arranged on the right upper side of the second moving rod (14), a second spring (19) is fixedly connected on the upper side of the limiting rod (18), a second air pipe (20) is fixedly connected on the lower side of the third air bag (15), a fourth air bag (21) is fixedly connected on the right side of the fourth air bag (21), a third spring (22) is fixedly connected on, a water supply pipe (23) is arranged on the lower side of the second motion chamber (12), a first motion round box (24) is fixedly connected to the right side of the water supply pipe (23), a track disc (25) is arranged on the inner side of the first motion round box (24), a first motion block (26) is connected to the front side of the track disc (25) in a sliding mode, a poke rod (27) is fixedly connected to the upper side of the track disc (25), and a fourth spring (28) is fixedly connected between the poke rod (27) and the track disc (25).
2. The intelligent and energy-saving pressurized water supply device for fountain solution of printing press according to claim 1, characterized in that: the second moving rod (14) is provided with a convex block corresponding to the limiting rod (18), and the convex block and the limiting rod (18) are both arc-shaped.
3. The intelligent and energy-saving pressurized water supply device for fountain solution of printing press according to claim 1, characterized in that: the second moving rod (14) is provided with a trapezoidal block corresponding to the poke rod (27).
4. The intelligent and energy-saving pressurized water supply device for fountain solution of printing press according to claim 1, characterized in that: an arc-shaped groove corresponding to the poke rod (27) is formed in the first moving round box (24).
5. The intelligent and energy-saving pressurized water supply device for fountain solution of printing press according to claim 1, characterized in that: the first moving round box (24) is provided with a rectangular groove corresponding to the first moving block (26).
6. The intelligent and energy-saving pressurized water supply device for fountain solution of printing press according to claim 1, characterized in that: the track disc (25) is provided with a through hole corresponding to the first moving block (26).
CN202011174444.9A 2020-10-28 2020-10-28 Intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution Withdrawn CN112277434A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011174444.9A CN112277434A (en) 2020-10-28 2020-10-28 Intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011174444.9A CN112277434A (en) 2020-10-28 2020-10-28 Intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution

Publications (1)

Publication Number Publication Date
CN112277434A true CN112277434A (en) 2021-01-29

Family

ID=74372671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011174444.9A Withdrawn CN112277434A (en) 2020-10-28 2020-10-28 Intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution

Country Status (1)

Country Link
CN (1) CN112277434A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204023714U (en) * 2014-08-11 2014-12-17 曲阜嘉信电气有限公司 A kind of anti-dry tap formula constant-pressure water-supplying control device
CN105196686A (en) * 2015-09-05 2015-12-30 贵州西牛王印务有限公司 Pressurized water supplying system for circulation of fountain solution of printer
CN205062916U (en) * 2015-10-09 2016-03-02 双峰县九峰农机制造科技有限公司 No tower water supply installation of built -in gasbag
CN205999975U (en) * 2016-08-22 2017-03-08 济南久昌机械设备有限公司 A kind of non-negative pressure water-supply installation with energy storage pressure holding function
CN208721200U (en) * 2018-08-17 2019-04-09 重庆文理学院 A kind of wireless water level monitoring device based on Electronics Science and Technology
CN209765342U (en) * 2019-06-21 2019-12-10 成都通德药业有限公司 automatic water level control device for hot water tank
CN210315806U (en) * 2019-06-03 2020-04-14 侯马经济开发区大禹供水设备有限公司 Intelligent pressure-superposed water supply equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204023714U (en) * 2014-08-11 2014-12-17 曲阜嘉信电气有限公司 A kind of anti-dry tap formula constant-pressure water-supplying control device
CN105196686A (en) * 2015-09-05 2015-12-30 贵州西牛王印务有限公司 Pressurized water supplying system for circulation of fountain solution of printer
CN205062916U (en) * 2015-10-09 2016-03-02 双峰县九峰农机制造科技有限公司 No tower water supply installation of built -in gasbag
CN205999975U (en) * 2016-08-22 2017-03-08 济南久昌机械设备有限公司 A kind of non-negative pressure water-supply installation with energy storage pressure holding function
CN208721200U (en) * 2018-08-17 2019-04-09 重庆文理学院 A kind of wireless water level monitoring device based on Electronics Science and Technology
CN210315806U (en) * 2019-06-03 2020-04-14 侯马经济开发区大禹供水设备有限公司 Intelligent pressure-superposed water supply equipment
CN209765342U (en) * 2019-06-21 2019-12-10 成都通德药业有限公司 automatic water level control device for hot water tank

Similar Documents

Publication Publication Date Title
CN110743865B (en) Utilize automatic air-dried device of lid behind high-efficient washing wrist-watch of ultrasonic wave
CN111878763B (en) Street lamp capable of preventing strong wind from damaging solar panel
CN111795173A (en) Silicone-proof stainless steel ball valve
CN112277434A (en) Intelligent and energy-conserving pressurization water supply installation of printing machine fountain solution
CN219622965U (en) Servo pressurizing mechanism
CN205340361U (en) Servo off -line ash removal device of dust remover
CN108771923B (en) Automatic jetting bag type dust collector
CN207325536U (en) A kind of solar panel cleaning device
CN113291932B (en) Steel wire rope winding roller convenient to disassemble after winding
CN200975658Y (en) Totally-enclosed water jet flow type condensate recovery device
CN114928318A (en) Supporting structure for photovoltaic power generation on water
CN201953695U (en) Slide switching type air pump
CN114808783A (en) Water storage utilization device for vehicle-mounted pressure deceleration strip
CN114889100A (en) Improved generation PET bottle blowing machine compressed air gas system
CN214698379U (en) Device for switching water supply of water pump under low water level
CN101332372A (en) Entirety type pressure filter with pressing function
CN207308738U (en) A kind of more specification header deflector die sets of integrated form
CN202212530U (en) High-low pressure vacuum device
CN207830110U (en) A kind of water pump automatic exhaust device
CN2445262Y (en) High-efficient energy-saving ice making machine
CN215260051U (en) Pressurizing device for central heating
CN2715945Y (en) Horizontal concrete jetting machine
CN110925778B (en) Waste gas heat energy recycling equipment for environmental protection engineering
CN2854301Y (en) Running water pressure utilization device
CN114001010B (en) Buoyancy water lifting device for water conservancy and hydropower

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20210129

WW01 Invention patent application withdrawn after publication