CN112916521A - Diversified cleaning machine of tubular product - Google Patents

Diversified cleaning machine of tubular product Download PDF

Info

Publication number
CN112916521A
CN112916521A CN201911234259.1A CN201911234259A CN112916521A CN 112916521 A CN112916521 A CN 112916521A CN 201911234259 A CN201911234259 A CN 201911234259A CN 112916521 A CN112916521 A CN 112916521A
Authority
CN
China
Prior art keywords
cleaning machine
bottom end
pipe
workbench
vertical plate
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Withdrawn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
CN201911234259.1A
Other languages
Chinese (zh)
Inventor
邓欣
吴海峰
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.)
Zhangjiajie Institute of Aeronautical Engineering
Original Assignee
Zhangjiajie Institute of Aeronautical Engineering
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 Zhangjiajie Institute of Aeronautical Engineering filed Critical Zhangjiajie Institute of Aeronautical Engineering
Priority to CN201911234259.1A priority Critical patent/CN112916521A/en
Publication of CN112916521A publication Critical patent/CN112916521A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/023Cleaning the external surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention relates to the technical field of cleaning devices, in particular to a multi-directional pipe cleaning machine, which can replace manpower to clean pipes one by one and only needs to place and take down the pipes, thereby saving the manpower and improving the working efficiency; the rotary worktable comprises a worktable, the frame, including a motor, an end cap, a controller, and a cover plate, the derailleur, anchor clamps, right side riser, a bearing, the cylinder, piston and water pipe, workstation bottom four corners is provided with first support leg respectively, first support leg top is connected with the workstation bottom, the workstation top is provided with right riser, right side riser bottom is connected with the workstation top, the workstation top is connected with the frame bottom, the frame top is connected with the motor bottom, back riser bottom is connected with the workstation top, back riser front end is provided with the multiunit through-hole, the water pipe front end is provided with the multiunit nozzle, nozzle rear end and water pipe front end intercommunication, the water pipe is connected with the water source, the nozzle front end passes back riser through-hole and extends to the back.

Description

Diversified cleaning machine of tubular product
Technical Field
The invention relates to the technical field of cleaning devices, in particular to a multi-directional pipe cleaning machine.
Background
Tubing is the material used to make pipe fittings. Different pipes are used for different pipe fittings, and the quality of the pipes directly determines the quality of the pipe fittings. Building engineering, power plant, multi-purpose such tubular product of chemical plant, common material has alloy CrMo, back riser Cr1 MoV) carbon steel #, collection waterwheel #, 45 #) stainless steel, 3 crossbeam), when tubular product is long in the warehouse placement time, the surface area falls a lot of dusts, may influence the machining precision when using, just need clear up tubular product, operating personnel clears up tubular product one by one during current tubular product operation flow, the consumption time is more, the practicality is not high.
Disclosure of Invention
In order to solve the technical problems, the invention provides the multi-directional pipe cleaning machine which can replace manpower to clean pipes one by one and only needs to place and take down the pipes, so that the manpower is saved, and the working efficiency is improved.
The invention relates to a multi-directional pipe cleaning machine which comprises a workbench, a machine base, a motor, a speed changer, a clamp, a right vertical plate, a bearing, a cylinder, a piston and a water pipe, wherein four corners of the bottom end of the workbench are respectively provided with a first support leg, the top end of the first support leg is connected with the bottom end of the workbench, the top end of the workbench is provided with the right vertical plate, the bottom end of the right vertical plate is connected with the top end of the workbench, the top end of the workbench is connected with the bottom end of the machine base, the right output end of the motor is connected with the left input end of the speed changer, the motor is connected with a power supply, the bottom end of the speed changer is connected with the top end of the workbench, the right output end of the speed changer penetrates through the right vertical plate to extend to the right side of the right vertical plate to be connected with the left end of the, treat to wash the tubular product right-hand member and insert the bearing middle part, the left end is connected with the anchor clamps cooperation, anchor clamps are fixed to treat to wash the tubular product left end, motor right-hand member output power, it rotates to drive anchor clamps through the derailleur, treat to wash the tubular product and rotate thereupon, the cylinder bottom is connected with the workstation top, the cylinder is connected with the air pump, cylinder left end and piston right-hand member sliding connection, the piston left end is connected with right riser right-hand member, the piston right-hand member can drive right riser in workstation top horizontal slip, the workstation top is provided with the back riser, back riser bottom is connected with the workstation top, back riser front end is provided with the multiunit through-hole, the water pipe front end is provided with the multiunit nozzle, nozzle rear end and water pipe front end intercommunication, the water pipe is connected with the water.
The invention relates to a multi-azimuth cleaning machine for pipes, which further comprises cross beams, flat plates, protective plates and second supporting legs, wherein a through groove is formed in the middle of the top end of a workbench, two groups of parallel cross beams are connected through the flat plates, two ends of each flat plate are respectively connected with the inner sides of the two groups of cross beams, the protective plates are arranged at the top ends of the cross beams, the bottom ends of the protective plates are connected with the top ends of the cross beams, the bottom ends of the cross beams are connected with the top ends of the second supporting legs, a water collecting vehicle is arranged on the left.
The invention relates to a multi-direction cleaning machine for pipes, which further comprises an adjusting device, wherein a plurality of groups of adjusting blocks are arranged at the bottom end of a flat plate, the top end of the adjusting device is rotatably connected with the bottom end of the flat plate, a threaded hole is formed in the top end of a second supporting leg, the bottom end of the adjusting device is connected with the top end of the second supporting leg in a matched mode, and the height of the flat plate can be adjusted through the rotating adjusting device.
According to the multi-direction pipe cleaning machine, the bottom end of the water collecting vehicle is provided with the plurality of groups of trundles, the top ends of the trundles are connected with the bottom end of the water collecting vehicle, and the bottom ends of the trundles slide relative to the ground.
According to the multi-direction pipe cleaning machine, the locking plate is arranged at the right end of the caster, the left end of the locking plate is rotatably connected with the right end of the caster, and the caster can be locked by pulling the locking plate.
The invention relates to a multi-directional pipe cleaning machine which further comprises a handle, wherein a handle leg is arranged at the left end of a water collecting vehicle, the right end of the handle leg is connected with the left end of the water collecting vehicle, and the right end of the handle is connected with the left end of the handle leg.
The invention relates to a multi-azimuth cleaning machine for pipes.
According to the multi-azimuth cleaning machine for the pipe, the nozzle is rotatably connected with the rear vertical plate and can rotate at multiple angles up, down, left and right.
Compared with the prior art, the invention has the beneficial effects that: the operating personnel starts the cylinder, remove right riser to suitable position, later will treat to wash the tubular product right-hand member and pass the bearing, the tubular product left end is fixed by anchor clamps, then the starter motor, motor right-hand member output power, give anchor clamps through the derailleur transmission, anchor clamps drive tubular product and rotate, open the water source, clean rivers oral siphon, spray the tubular product surface through the nozzle, treat that the tubular product is rotatory many weeks after the sanitization, the motor outage, the cylinder release, operating personnel takes off tubular product, through setting up above device, can replace the manual work to wash tubular product one by one, only need place tubular product take off can, the manpower has been saved, the work efficiency is improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic diagram of the right-hand side view of the present invention;
FIG. 4 is a schematic structural view of the water collection truck of the present invention;
in the drawings, the reference numbers: 1. a work table; 2. a first support leg; 3. a left vertical plate; 4. a machine base; 5. a motor; 6. a transmission; 7. a clamp; 8. a right vertical plate; 9. a bearing; 10. a cylinder; 11. a piston; 12. a rear vertical plate; 13. a water pipe; 14. a nozzle; 15. a through groove; 16. a cross beam; 17. a flat plate; 18. a guard plate; 19. a second support leg; 20. a water collecting vehicle; 21. an adjustment device; 22. a caster wheel; 23. a locking plate; 24. a handle leg; 25. a handle.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in figures 1 to 4, the multi-directional pipe cleaning machine comprises a workbench 1, a machine base 4, a motor 5, a speed changer 6, a clamp 7, a right vertical plate 8, a bearing 9, a cylinder 10, a piston 11 and a water pipe 13, wherein four corners of the bottom end of the workbench 1 are respectively provided with a first support leg 2, the top end of the first support leg 2 is connected with the bottom end of the workbench 1, the top end of the workbench 1 is provided with the right vertical plate 3, the bottom end of the right vertical plate 3 is connected with the top end of the workbench 1, the top end of the workbench 1 is connected with the bottom end of the machine base 4, the top end of the machine base 4 is connected with the bottom end of the motor 5, the right output end of the motor 5 is connected with the left input end of the speed changer 6, the motor 5 is connected with a power supply, the bottom end of the speed changer 6 is connected with the top end of the workbench 1, the right output, the middle part of the left end of a right vertical plate 8 is provided with a through hole, a bearing 9 is arranged in the through hole, the outer wall of the bearing 9 is connected with the side wall of the through hole in the middle part of the right vertical plate 8, the right end of a pipe to be cleaned is inserted into the middle part of the bearing 9, the left end is connected with a clamp 7 in a matching way, the clamp 7 is fixed at the left end of the pipe to be cleaned, the right end of a motor 5 outputs power, the clamp 7 is driven to rotate through a transmission 6, the pipe to be cleaned rotates along with the pipe, the bottom end of a cylinder 10 is connected with the top end of a workbench 1, the cylinder 10 is connected with an air pump, the left end of the cylinder 10 is connected with the right end of a piston 11 in a sliding way, the left end of the piston 11 is connected with the right end of the right vertical plate 8, the right end of the piston 11 can drive the right vertical plate 8 to slide left, the water pipe 13 is connected with a water source, and the front end of the nozzle 14 penetrates through the through hole of the rear vertical plate 12 and extends to the outer side of the front end of the rear vertical plate 12; the operating personnel starts cylinder 10, remove right riser 8 to suitable position, later will treat to wash the tubular product right-hand member and pass bearing 9, the tubular product left end is fixed by anchor clamps 7, then starter motor 5, motor 5 right-hand member output power, give anchor clamps 7 through derailleur 6 transmission, anchor clamps 7 drive tubular product and rotate, open the water source, clean rivers oral siphon 13, spray the tubular product surface through nozzle 14, treat that the tubular product is rotatory many weeks after the sanitization, motor 5 outage, cylinder 10 release pressure, operating personnel takes off tubular product, through setting up above device, can replace artifical one by one to wash tubular product, only need place tubular product take off can, the manpower is saved, work efficiency is improved.
The invention relates to a multi-azimuth cleaning machine for pipes, which further comprises a cross beam 16, a flat plate 17, a protective plate 18 and second supporting legs 19, wherein a through groove 15 is formed in the middle of the top end of a workbench 1, two groups of parallel cross beams 16 are connected through the flat plate 17, two ends of the flat plate 17 are respectively connected with the inner sides of the two groups of cross beams 16, the protective plate 18 is arranged at the top end of each cross beam 16, the bottom end of each protective plate 18 is connected with the top end of the corresponding cross beam 16, the bottom end of each cross beam 16 is connected with the top end of the corresponding second supporting leg 19, a water collecting trolley 20 is arranged on the; the liquid that has washed through nozzle 14 front end spun has flowed down to dull and stereotyped 17 top after the tubular product, because dull and stereotyped 17 is the slope, liquid continues to flow left, finally falls to the left catchment car 20 of dull and stereotyped 17 in, through setting up above device, can collect the liquid of cleaning process, avoids liquid to long-pending ground that falls, and operating personnel clears up ground and cleans, has improved the practicality.
The invention relates to a multi-azimuth cleaning machine for pipes, which further comprises an adjusting device 21, wherein a plurality of groups of adjusting blocks are arranged at the bottom end of a flat plate 17, the top end of the adjusting device 21 is rotatably connected with the bottom end of the flat plate 17, a threaded hole is formed in the top end of a second supporting leg 19, the bottom end of the adjusting device 21 is connected with the top end of the second supporting leg 19 in a matched manner, and the height of the flat plate 17 can be adjusted by rotating the adjusting device 21; the flat plate 17 may need different inclination angles in different scene applications, and the height of the second support leg 19 can be adjusted by arranging the adjusting device 21, so that the flat plate 17 can be adjusted at multiple angles, more scenes can be applied, and the universality is improved.
According to the multi-direction pipe cleaning machine, the bottom end of the water collecting vehicle 20 is provided with the plurality of groups of trundles 22, the top ends of the trundles 22 are connected with the bottom end of the water collecting vehicle 20, and the bottom ends of the trundles 22 slide relative to the ground; by providing the casters 22, the operator can move the water collection cart 20 more conveniently, improving convenience.
According to the multi-direction cleaning machine for the pipes, the right end of the caster 22 is provided with the locking plate 23, the left end of the locking plate 23 is rotatably connected with the right end of the caster 22, and the caster 22 can be locked by pulling the locking plate 23; when catchment car 20 collects liquid, truckle 22 takes place relative slip with ground easily, through setting up locking plate 23, can lock truckle 22 when collecting liquid, prevents that it from taking place relative slip with ground, has improved the steadiness.
The multi-azimuth cleaning machine for the pipes further comprises a handle 25, wherein a handle leg 24 is arranged at the left end of the water collecting vehicle 20, the right end of the handle leg 24 is connected with the left end of the water collecting vehicle 20, and the right end of the handle 25 is connected with the left end of the handle leg 24; by providing the handle legs 24 and the handle 25, the operator can pull the catchment cart 20 with his/her hands, improving the utility.
The invention relates to a multi-azimuth cleaning machine for pipes, wherein a rubber handle sleeve is sleeved on a handle 25; the rubber handle sleeve is sleeved on the handle 25, so that the friction force between the handle and the handle sleeve of an operator can be increased, the water collecting trolley 20 can be pulled more conveniently, and the practicability is improved.
According to the multi-azimuth cleaning machine for the pipe, the nozzle 14 is rotatably connected with the rear vertical plate 12, and the nozzle 14 can rotate at multiple angles up, down, left and right; through setting nozzle 14 to multi-angle rotating, can adjust every nozzle 14 to different angles, clear up the tubular product more comprehensively, improve the practicality.
The invention relates to a multi-directional pipe cleaning machine, which works, firstly, an operator pushes a water collecting vehicle 20 to the left side of a flat plate 17, pulls a locking plate 23 to lock a caster 22, rotates an adjusting device 21 to adjust the flat plate 17 to a proper angle, then, the operator starts a cylinder 10 to move a right vertical plate 8 to a proper position, then, the right end of a pipe to be cleaned passes through a bearing 9, the left end of the pipe is fixed by a clamp 7, then, a motor 5 is started, the right end of the motor 5 outputs power and is transmitted to the clamp 7 through a transmission 6, the clamp 7 drives the pipe to rotate, a water source is started, clean water flows into a water pipe 13 and is sprayed onto the surface of the pipe through a nozzle 14, the liquid sprayed from the front end of the nozzle 14 after cleaning the pipe flows to the top end of the flat plate 17, the liquid continuously flows leftwards due to the inclination of the flat plate 17 and finally falls into, after the pipe rotates for a plurality of weeks, the pipe is cleaned, the motor 5 is powered off, the air cylinder 10 releases pressure, and an operator takes the pipe down.
According to the multi-directional pipe cleaning machine, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the multi-directional pipe cleaning machine can be implemented as long as the beneficial effects of the multi-directional pipe cleaning machine are achieved; the motor, the speed changer and the cylinder of the multi-directional pipe cleaning machine are purchased from the market, and technicians in the industry only need to install and operate the multi-directional pipe cleaning machine according to the attached operating instructions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A multi-azimuth cleaning machine for pipes is characterized by comprising a workbench (1), a machine base (4), a motor (5), a speed changer (6), a clamp (7), a right vertical plate (8), a bearing (9), a cylinder (10), a piston (11) and a water pipe (13), wherein four corners of the bottom end of the workbench (1) are respectively provided with a first supporting leg (2), the top end of the first supporting leg (2) is connected with the bottom end of the workbench (1), the top end of the workbench (1) is provided with a right vertical plate (3), the bottom end of the right vertical plate (3) is connected with the top end of the workbench (1), the top end of the workbench (1) is connected with the bottom end of the machine base (4), the top end of the machine base (4) is connected with the bottom end of the motor (5), the right output end of the motor (5) is connected with the left input end of the speed changer (6), the motor (5) is connected, the right output end of the speed changer (6) penetrates through the right vertical plate (3) and extends to the right side of the right vertical plate (3) to be connected with the left end of the clamp (7), the bottom end of the right vertical plate (8) is contacted with the top end of the workbench (1), the middle part of the left end of the right vertical plate (8) is provided with a through hole, a bearing (9) is installed in the through hole, the outer wall of the bearing (9) is connected with the side wall of the through hole in the middle part of the right vertical plate (8), the right end of a pipe to be cleaned is inserted into the middle part of the bearing (9), the left end is connected with the clamp (7) in a matching way, the left end of the pipe to be cleaned is fixed by the clamp (7), the right end of the motor (5) outputs power, the clamp (7) is driven to rotate by the speed changer (6), the pipe to be cleaned rotates along with the pipe, the bottom end of the cylinder (10) is connected with, piston (11) right-hand member can drive right riser (8) and slide on workstation (1) top horizontal slip, workstation (1) top is provided with back riser (12), back riser (12) bottom is connected with workstation (1) top, back riser (12) front end is provided with the multiunit through-hole, water pipe (13) front end is provided with multiunit nozzle (14), nozzle (14) rear end and water pipe (13) front end intercommunication, water pipe (13) are connected with the water source, nozzle (14) front end passes back riser (12) through-hole and extends to the back riser (12) front end outside.
2. The multi-azimuth cleaning machine for the pipes as claimed in claim 1, further comprising a cross beam (16), a flat plate (17), a guard plate (18) and second support legs (19), wherein a through groove (15) is formed in the middle of the top end of the workbench (1), two groups of parallel cross beams (16) are connected through the flat plate (17), two ends of the flat plate (17) are respectively connected with the inner sides of the two groups of cross beams (16), the guard plate (18) is arranged at the top end of each cross beam (16), the bottom end of the guard plate (18) is connected with the top end of each cross beam (16), the bottom end of each cross beam (16) is connected with the top end of each second support leg (19), a water collecting vehicle (20) is arranged on the left side of each cross beam (16), and liquid flows from the flat plate.
3. The multi-azimuth cleaning machine for the pipes as claimed in claim 2, further comprising an adjusting device (21), wherein a plurality of sets of adjusting blocks are arranged at the bottom end of the flat plate (17), the top end of the adjusting device (21) is rotatably connected with the bottom end of the flat plate (17), a threaded hole is arranged at the top end of the second supporting leg (19), the bottom end of the adjusting device (21) is connected with the top end of the second supporting leg (19) in a matching manner, and the height of the flat plate (17) can be adjusted by rotating the adjusting device (21).
4. The multi-azimuth cleaning machine for the pipes as claimed in claim 3, wherein the bottom end of the water collection vehicle (20) is provided with a plurality of groups of casters (22), the top ends of the casters (22) are connected with the bottom end of the water collection vehicle (20), and the bottom ends of the casters (22) slide relative to the ground.
5. The multi-directional pipe cleaning machine according to claim 4, wherein the right end of the caster (22) is provided with a locking plate (23), the left end of the locking plate (23) is rotatably connected with the right end of the caster (22), and the caster (22) can be locked by pulling the locking plate (23).
6. The multi-directional pipe cleaning machine according to claim 5, further comprising a handle (25), wherein a handle leg (24) is provided at the left end of the water collection vehicle (20), the right end of the handle leg (24) is connected to the left end of the water collection vehicle (20), and the right end of the handle (25) is connected to the left end of the handle leg (24).
7. A multi-azimuth cleaning machine for tubular products, as claimed in claim 6, characterized in that the handle (25) is fitted with a rubber grip.
8. The multi-azimuth cleaning machine for the pipes as claimed in claim 7, wherein the nozzle (14) is rotatably connected with the rear vertical plate (12), and the nozzle (14) can rotate up, down, left and right at multiple angles.
CN201911234259.1A 2019-12-05 2019-12-05 Diversified cleaning machine of tubular product Withdrawn CN112916521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911234259.1A CN112916521A (en) 2019-12-05 2019-12-05 Diversified cleaning machine of tubular product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911234259.1A CN112916521A (en) 2019-12-05 2019-12-05 Diversified cleaning machine of tubular product

Publications (1)

Publication Number Publication Date
CN112916521A true CN112916521A (en) 2021-06-08

Family

ID=76161294

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911234259.1A Withdrawn CN112916521A (en) 2019-12-05 2019-12-05 Diversified cleaning machine of tubular product

Country Status (1)

Country Link
CN (1) CN112916521A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113458094A (en) * 2021-07-29 2021-10-01 陈俊伟 Oil-water well workover operation clean production platform of simulation dummy operation formula

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113458094A (en) * 2021-07-29 2021-10-01 陈俊伟 Oil-water well workover operation clean production platform of simulation dummy operation formula

Similar Documents

Publication Publication Date Title
CN204470222U (en) A kind of inner tubal wall mechanical centrifugal cleaning and descaling device
CN110653085A (en) Automatic spraying device is used in robot production and processing
CN112916521A (en) Diversified cleaning machine of tubular product
CN114559310B (en) Shaft machining and polishing detection device
CN211275760U (en) Diversified cleaning machine of tubular product
CN207641915U (en) A kind of sheet metal surface dedusting decontamination apparatus
CN109779254B (en) Aluminum alloy template cleaning equipment
CN112982119A (en) Joint cutting device for road and bridge construction
CN102247960B (en) Cleaning systems
CN212801357U (en) Cleaning device for electric new energy sanitation truck
CN212170013U (en) Raw material grinding and polishing equipment for metal product processing
CN211388252U (en) Machining equipment
CN211053293U (en) Wall treatment facility for interior decoration
CN202126206U (en) Cleaning device of double-gun heat exchanger
CN210230388U (en) Spraying auxiliary device for machining brake pedal assembly
CN215278756U (en) Cleaning equipment for cleaning raw materials of wire loop carpet
CN220766239U (en) Staircase cleaning machine
CN210697506U (en) Greasy dirt cleaner
CN216040899U (en) Skid-mounted environment-friendly cleaning equipment
CN211945094U (en) Material conveying equipment for building engineering
CN218507253U (en) Cable-former is with receiving wire device
CN215392954U (en) Automatic tapping machine for surface processing of steel products
CN210058337U (en) Superclean bench convenient to operation
CN218639624U (en) Rack is used in electromechanical device maintenance
CN216063882U (en) Seamless steel pipe roller way rotating device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210608