CN112609924A - Coating roller capable of automatically supplementing coating - Google Patents

Coating roller capable of automatically supplementing coating Download PDF

Info

Publication number
CN112609924A
CN112609924A CN202110031057.8A CN202110031057A CN112609924A CN 112609924 A CN112609924 A CN 112609924A CN 202110031057 A CN202110031057 A CN 202110031057A CN 112609924 A CN112609924 A CN 112609924A
Authority
CN
China
Prior art keywords
coating
cavity
fixedly connected
carousel
chamber
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Withdrawn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
CN202110031057.8A
Other languages
Chinese (zh)
Inventor
赵文修
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.)
Nanjing Xinluhui Garment Co ltd
Original Assignee
Nanjing Xinluhui Garment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Xinluhui Garment Co ltd filed Critical Nanjing Xinluhui Garment Co ltd
Priority to CN202110031057.8A priority Critical patent/CN112609924A/en
Publication of CN112609924A publication Critical patent/CN112609924A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00Implements for finishing work on buildings
    • E04F21/02Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/06Implements for applying plaster, insulating material, or the like

Abstract

The invention discloses a paint roller capable of automatically supplementing paint, which comprises a main body, wherein a paint roller cavity with a downward leftward opening is arranged at the inner lower side of the main body, a coating mechanism is arranged in the coating cylinder cavity, a coating supplementing mechanism is arranged on the right side of the coating cylinder cavity, the paint replenishing mechanism comprises a paint storage cavity which is arranged at the inner lower side of the main body and is provided with a downward opening, the upper wall of the coating storage cavity is rotatably connected with a threaded shaft, and the outer circular surface of the threaded shaft is in threaded connection with a threaded block, so that the coating storage cavity can automatically supplement the coating on the coating layer of the roller in the using process of workers, prevent the influence on the working efficiency caused by repeated coating dipping, meanwhile, the coating on the roller is kept sufficient, so that the influence of uneven thickness on the using effect during the coating on the wall can be prevented, meanwhile, the device can remove dust at the position where the paint is to be coated in the using process, and the paint is prevented from being doped with dust to influence the using effect of a finished product.

Description

Coating roller capable of automatically supplementing coating
Technical Field
The invention relates to the field of coatings, in particular to a coating roller capable of automatically supplementing a coating.
Background
In the process of using the coating to paint, the coating on the roller is often insufficient and needs to be supplemented with the coating, otherwise the coating thickness is uneven when the coating is painted, so that the use effect of a finished product is reduced, the work efficiency of workers is reduced due to the trouble of painting at places where the coating is inconvenient to supplement up and down, such as a ceiling, and the like, and meanwhile, when the coating is painted, the use effect of the coating is reduced due to the fact that once the dust coating is painted on a wall and the dust is doped. The coating roller capable of automatically supplementing the coating can solve the problems.
Disclosure of Invention
In order to solve the problems, the coating roller capable of automatically replenishing the coating is designed in the embodiment, the coating roller capable of automatically replenishing the coating comprises a main body, a coating barrel cavity with a downward and leftward opening is formed in the inner lower side of the main body, a coating mechanism is arranged in the coating barrel cavity, the coating replenishing mechanism is arranged on the right side of the coating barrel cavity and comprises a coating storage cavity with a downward opening, a threaded shaft is rotatably connected to the upper wall of the coating storage cavity, a threaded block is connected to the outer circular surface of the threaded shaft in a threaded manner, a feeding check valve fixedly connected with the inner wall of the coating storage cavity is arranged on the lower side of the lower end of the threaded shaft, a ratchet cavity is formed in the upper side of the coating storage cavity, the upper end of the threaded shaft penetrates through the ratchet cavity, a ratchet wheel is fixedly connected to the outer circular surface of the ratchet wheel cavity, and a pawl is fixedly connected to, ratchet chamber front side intercommunication is equipped with the locking block chamber, the locking block intracavity is equipped with gliding locking block around can, the locking block right side is equipped with opening inclined plane piece groove right, locking block chamber right side intercommunication is equipped with inclined plane piece chamber, inclined plane piece intracavity is equipped with ability horizontal slip's inclined plane piece, inclined plane piece can block into inclined plane piece inslot, coating storage chamber upside intercommunication is equipped with the coating export, coating export left side intercommunication is equipped with the interim chamber of coating, coating barrel chamber antetheca fixedly connected with coating spouts the board, the distribution of bilateral symmetry is equipped with the coating spout that runs through from top to bottom in the coating spouts the board, be equipped with the export check valve in the coating export, coating complementary unit upside is equipped with dust removal mechanism.
Preferably, a locking block spring is fixedly connected between the front end surface of the locking block and the front wall of the locking block cavity.
Preferably, the coating mechanism including rotate connect in the coating axle of coating barrel chamber upper wall, the excircle face fixedly connected with coating barrel of coating axle, coating barrel excircle face fixedly connected with coating layer, ratchet chamber upside is equipped with the pulley chamber, the epaxial end of coating extends to pulley intracavity and fixedly connected with driving pulley, the screw shaft runs through pulley chamber and excircle face fixedly connected with driven pulleys, driven pulleys with around being equipped with the pulley area between the driving pulley.
Preferably, the dust removal mechanism is including locating the carousel chamber of band pulley chamber upside, carousel chamber right side and external intercommunication, the threaded spindle upper end extends to carousel intracavity and fixedly connected with carousel, carousel front end fixedly connected with carousel fixed block, the carousel upside is equipped with can the carousel slider that removes about the carousel intracavity, be equipped with the carousel slider groove that runs through from top to bottom in the carousel slider, the carousel fixed block can extend to the carousel slider inslot.
Preferably, the left side of the rotary disc cavity is provided with an exhaust plate cavity, the left end of the rotary disc cavity is fixedly connected with a connecting rod, the left end of the connecting rod extends to the exhaust plate cavity and the exhaust plate fixedly connected with the exhaust plate, the front side of the exhaust plate cavity is communicated with a dust inlet channel, the rear side of the exhaust plate cavity is communicated with a dust outlet, and the dust inlet channel is provided with a dust suction check valve in the dust outlet.
Preferably, the rear side of the dust outlet is communicated with a dust storage cavity, and the left side of the dust inlet channel is communicated with a dust inlet.
Preferably, a handle is fixedly connected to the right end of the main body.
Preferably, the lower wall of the rotary table cavity is rotatably connected with a knob shaft positioned on the right side of the threaded shaft, and the front end of the knob shaft is fixedly connected with a knob.
The invention has the beneficial effects that: the device can automatically supplement the coating on the coating layer of the roller in the using process of workers, prevent the influence of repeated dipping on the coating on the working efficiency, simultaneously, the coating on the roller is kept sufficient, the influence of uneven thickness on the using effect when the coating is coated on a wall can be prevented, meanwhile, the device can remove dust at the position where the coating is to be coated in the using process, and the influence of the doped dust of the coating on the using effect of a finished product is prevented.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
FIG. 3 is a schematic diagram of B-B of FIG. 1;
FIG. 4 is a schematic diagram of the structure of C-C in FIG. 1;
FIG. 5 is a schematic diagram of D-D of FIG. 2;
fig. 6 is an enlarged schematic view of E in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a paint roller capable of automatically supplementing paint, which comprises a main body 11, wherein a paint roller cavity 27 with a downward opening and a leftward opening is arranged at the inner lower side of the main body 11, a paint mechanism 103 is arranged in the paint roller cavity 27, a paint supplementing mechanism 102 is arranged at the right side of the paint roller cavity 27, the paint supplementing mechanism 102 comprises a paint storage cavity 20 which is arranged at the inner lower side of the main body 11 and has a downward opening, the upper wall of the paint storage cavity 20 is rotatably connected with a threaded shaft 19, the outer circular surface of the threaded shaft 19 is in threaded connection with a threaded block 22, the lower side of the lower end of the threaded shaft 19 is provided with a feeding check valve 23 fixedly connected with the inner wall of the paint storage cavity 20, the upper side of the paint storage cavity 20 is provided with a ratchet cavity 18, the upper end of the threaded shaft 19 penetrates through the ratchet cavity 18 and is fixedly connected with a ratchet wheel 17, the, ratchet chamber 18 front side intercommunication is equipped with locking block chamber 37, be equipped with gliding locking block 42 around can in the locking block chamber 37, locking block 42 right side is equipped with opening inclined plane block groove 41 to the right, locking block chamber 37 right side intercommunication is equipped with inclined plane block chamber 39, be equipped with inclined plane block 40 that can the horizontal slip in the inclined plane block chamber 39, inclined plane block 40 can block into in the inclined plane block groove 41, coating storage chamber 20 upside intercommunication is equipped with coating export 31, coating export 31 left side intercommunication is equipped with the interim chamber 34 of coating, coating barrel chamber 27 antetheca fixedly connected with coating spouts board 35, the distribution of bilateral symmetry is equipped with the coating spout 36 that runs through from top to bottom in the coating spouts board 35, be equipped with export check valve 30 in the coating export 31, coating replenishment mechanism 102 upside is equipped with dust removal mechanism 101.
Advantageously, a locking block spring 38 is fixedly connected between the front end surface of the locking block 42 and the front wall of the locking block cavity 37.
Advantageously, the coating mechanism 103 includes a coating shaft 26 rotatably connected to the upper wall of the coating cylinder cavity 27, a coating cylinder 25 is fixedly connected to the outer circumferential surface of the coating shaft 26, a coating layer 24 is fixedly connected to the outer circumferential surface of the coating cylinder 25, a pulley cavity 28 is arranged on the upper side of the pulley cavity 18, the upper end of the coating shaft 26 extends into the pulley cavity 28 and is fixedly connected with a driving pulley 29, the threaded shaft 19 penetrates through the pulley cavity 28 and is fixedly connected with a driven pulley 15, and a pulley belt 12 is wound between the driven pulley 15 and the driving pulley 29.
Beneficially, dust removal mechanism 101 is including locating carousel chamber 46 in band pulley chamber 28 upside, carousel chamber 46 right side and external intercommunication, threaded shaft 19 upper end extends to in the carousel chamber 46 and fixedly connected with carousel 52, carousel 52 front end fixedly connected with carousel fixed block 47, carousel 52 upside is equipped with can be in the carousel chamber 46 is interior to move the carousel slider 49 of moving about, be equipped with the carousel slider groove 48 that runs through from top to bottom in the carousel slider 49, carousel fixed block 47 can extend to in the carousel slider groove 48.
Beneficially, an exhaust plate cavity 13 is arranged on the left side of the rotary disc cavity 46, a connecting rod 51 is fixedly connected to the left end of the rotary disc cavity 46, the left end of the connecting rod 51 extends into the exhaust plate cavity 13 and is fixedly connected with an exhaust plate 14, a dust inlet channel 32 is communicated with the front side of the exhaust plate cavity 13, a dust outlet 44 is communicated with the rear side of the exhaust plate cavity 13, and a dust suction check valve 50 is arranged in the dust inlet channel 32 and the dust outlet 44.
Advantageously, a dust storage cavity 45 is arranged at the rear side of the dust outlet 44 in a communicating manner, and a dust inlet 33 is arranged at the left side of the dust inlet channel 32 in a communicating manner.
Advantageously, a handle 21 is fixedly connected to the right end of the body 11.
Advantageously, a knob shaft 43 is rotatably connected to the lower wall of the rotary disk chamber 46 at the right side of the threaded shaft 19, and a knob 53 is fixedly connected to the front end of the knob shaft 43.
The use steps herein are described in detail below with reference to fig. 1-6:
in the initial state, the screw block 22 is at the lowermost side.
When the paint spraying device is prepared, the inclined surface block 40 is moved leftwards, the inclined surface block 40 moves to abut through the inclined surface to drive the locking block 42 to move forwards, the locking block 42 moves forwards and retreats into the locking block cavity 37 to release locking on the pawl 16, the knob 53 rotates to drive the rotary disc 52 to rotate through gear meshing, the rotary disc 52 rotates to drive the threaded shaft 19 to rotate, the threaded shaft 19 drives the threaded block 22 to move upwards through threaded connection, and the threaded block 22 moves upwards to suck paint into the paint storage cavity 20.
When the paint spraying device works, the paint layer 24 is attached to a wall surface to rotate, the paint layer 24 rotates to drive the paint barrel 25 to rotate, the paint barrel 25 rotates to drive the paint shaft 26 to rotate, the paint shaft 26 rotates to drive the driving belt wheel 29 to rotate, the driving belt wheel 29 drives the driven belt wheel 15 to rotate through the belt wheel 12, the driven belt wheel 15 rotates to drive the threaded shaft 19 to rotate, the threaded shaft 19 rotates to drive the threaded block 22 to move downwards, the threaded block 22 moves downwards to supplement paint in the paint storage cavity 20 to the surface of the paint layer 24 through the paint outlet 31, the paint temporary cavity 34 and the paint nozzle 36, and paint on the surface of the paint layer 24 can be effectively prevented from being reduced.
Meanwhile, the threaded shaft 19 rotates to drive the rotary table 52 to rotate, the rotary table 52 rotates to drive the rotary table fixing block 47 to rotate, the rotary table fixing block 47 rotates to drive the rotary table slider 49 to move left and right, the rotary table slider 49 moves to drive the connecting rod 51 to move left and right, the connecting rod 51 moves to drive the exhaust plate 14 to move left and right, the exhaust plate 14 moves right to suck dust on the front side of the device into the exhaust plate cavity 13 through the dust inlet 33 and the dust inlet channel 32, and the exhaust plate 14 moves left to convey dust in the exhaust plate cavity 13 into the dust storage cavity 45 through the exhaust plate 14.
The invention has the beneficial effects that: the device can automatically supplement the coating on the coating layer of the roller in the using process of workers, prevent the influence of repeated dipping on the coating on the working efficiency, simultaneously, the coating on the roller is kept sufficient, the influence of uneven thickness on the using effect when the coating is coated on a wall can be prevented, meanwhile, the device can remove dust at the position where the coating is to be coated in the using process, and the influence of the doped dust of the coating on the using effect of a finished product is prevented.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (8)

1. A can automatic supplementary coating roller of coating, includes the main part, its characterized in that: the lower side in the main body is provided with a coating barrel cavity with a downward opening towards the left, the coating barrel cavity is internally provided with a coating mechanism, the right side of the coating barrel cavity is provided with a coating supplementing mechanism, the coating supplementing mechanism comprises a coating storage cavity with a downward opening and arranged in the main body, the upper wall of the coating storage cavity is rotatably connected with a threaded shaft, the outer circular surface of the threaded shaft is in threaded connection with a threaded block, the lower side of the lower end of the threaded shaft is provided with a feeding check valve fixedly connected with the inner wall of the coating storage cavity, the upper side of the coating storage cavity is provided with a ratchet cavity, the upper end of the threaded shaft penetrates through the ratchet cavity and is fixedly connected with a ratchet, the outer circular surface array of the ratchet is fixedly connected with a pawl, the front side of the ratchet cavity is communicated with a locking block cavity, a locking block capable of sliding forwards and backwards is arranged in the locking block, locking piece chamber right side intercommunication is equipped with inclined plane piece chamber, inclined plane piece intracavity is equipped with the inclined plane piece of ability horizontal slip, the inclined plane piece can be blocked inclined plane piece inslot, coating storage chamber upside intercommunication is equipped with the coating export, coating export left side intercommunication is equipped with the interim chamber of coating, coating section of thick bamboo chamber antetheca fixedly connected with coating spouts the board, the coating spout that bilateral symmetry's distribution was equipped with and runs through from top to bottom in the coating spouts the board, be equipped with the export check valve in the coating export, coating replenishment mechanism upside is equipped with dust removal mechanism.
2. A paint roller as claimed in claim 1, wherein: and a locking block spring is fixedly connected between the front end surface of the locking block and the front wall of the locking block cavity.
3. A paint roller as claimed in claim 1, wherein: coating mechanism including rotate connect in the coating axle of coating barrel chamber upper wall, the outer disc fixedly connected with coating barrel of coating axle, the outer disc fixedly connected with dope layer of coating barrel, ratchet chamber upside is equipped with the pulley chamber, the epaxial end of coating extends to pulley intracavity and fixedly connected with driving pulley, the screw shaft runs through pulley chamber and outer disc fixedly connected with driven pulleys, driven pulleys with around being equipped with the pulley area between the driving pulley.
4. A paint roller as claimed in claim 1, wherein: dust removal mechanism is including locating the carousel chamber of band pulley chamber upside, carousel chamber right side and external intercommunication, threaded spindle upper end extends to carousel intracavity and fixedly connected with carousel, carousel front end fixedly connected with carousel fixed block, the carousel upside is equipped with can the carousel slider that removes about the carousel intracavity, be equipped with the carousel slider groove that runs through from top to bottom in the carousel slider, the carousel fixed block can extend to the carousel slider inslot.
5. A paint roller as claimed in claim 1, wherein: the rotary table cavity left side is equipped with the exhaust plate cavity, rotary table cavity left end fixedly connected with connecting rod, the connecting rod left end extends to exhaust plate intracavity and fixedly connected with exhaust plate, exhaust plate cavity front side intercommunication is equipped with into dirt passageway, exhaust plate cavity rear side intercommunication is equipped with out the dirt mouth, advance the dirt passageway with be equipped with the dust absorption check valve in the play dirt mouth.
6. A paint roller as claimed in claim 1, wherein: the rear side of the dust outlet is communicated with a dust storage cavity, and the left side of the dust inlet channel is communicated with a dust inlet.
7. A paint roller as claimed in claim 1, wherein: the right end of the main body is fixedly connected with a handle.
8. A paint roller as claimed in claim 1, wherein: the lower wall of the rotary table cavity is rotatably connected with a knob shaft positioned on the right side of the threaded shaft, and the front end of the knob shaft is fixedly connected with a knob.
CN202110031057.8A 2021-01-11 2021-01-11 Coating roller capable of automatically supplementing coating Withdrawn CN112609924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110031057.8A CN112609924A (en) 2021-01-11 2021-01-11 Coating roller capable of automatically supplementing coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110031057.8A CN112609924A (en) 2021-01-11 2021-01-11 Coating roller capable of automatically supplementing coating

Publications (1)

Publication Number Publication Date
CN112609924A true CN112609924A (en) 2021-04-06

Family

ID=75253661

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110031057.8A Withdrawn CN112609924A (en) 2021-01-11 2021-01-11 Coating roller capable of automatically supplementing coating

Country Status (1)

Country Link
CN (1) CN112609924A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996015339A1 (en) * 1994-11-11 1996-05-23 Roesner, Peter Device for coating building surfaces with curable viscous materials
CN205677211U (en) * 2016-04-29 2016-11-09 重庆金优元建材有限公司 Can cleaning type mopping device
CN107899851A (en) * 2017-10-20 2018-04-13 周本武 Dust collecting roller
CN210738025U (en) * 2019-06-26 2020-06-12 潘玉生 Device is paintd to coating for interior decoration
CN111364223A (en) * 2020-04-10 2020-07-03 义乌市玉刚箱包有限公司 Device for automatic dust removal, oil coating and maintenance of leather bags
CN111389650A (en) * 2020-04-10 2020-07-10 磐安艾肯机械设备有限公司 Even mopping cylinder of adjustable lacquer painting thickness and need not to dip in lacquer
CN112024253A (en) * 2020-09-14 2020-12-04 台州池泽科技有限公司 Handheld surface dust absorption paint spraying apparatus of polishing
CN112022020A (en) * 2020-09-02 2020-12-04 福州经济技术开发区星络网电子科技有限公司 Be used for high-rise building glass outer wall dust collector

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996015339A1 (en) * 1994-11-11 1996-05-23 Roesner, Peter Device for coating building surfaces with curable viscous materials
CN205677211U (en) * 2016-04-29 2016-11-09 重庆金优元建材有限公司 Can cleaning type mopping device
CN107899851A (en) * 2017-10-20 2018-04-13 周本武 Dust collecting roller
CN210738025U (en) * 2019-06-26 2020-06-12 潘玉生 Device is paintd to coating for interior decoration
CN111364223A (en) * 2020-04-10 2020-07-03 义乌市玉刚箱包有限公司 Device for automatic dust removal, oil coating and maintenance of leather bags
CN111389650A (en) * 2020-04-10 2020-07-10 磐安艾肯机械设备有限公司 Even mopping cylinder of adjustable lacquer painting thickness and need not to dip in lacquer
CN112022020A (en) * 2020-09-02 2020-12-04 福州经济技术开发区星络网电子科技有限公司 Be used for high-rise building glass outer wall dust collector
CN112024253A (en) * 2020-09-14 2020-12-04 台州池泽科技有限公司 Handheld surface dust absorption paint spraying apparatus of polishing

Similar Documents

Publication Publication Date Title
CN110218135B (en) Coating equipment for match surface layer
CN110935588A (en) Plank coating equipment
CN110439227B (en) Automatic check pattern brushing wall surface device
CN110918354B (en) Machine bottom surface spraying equipment
CN112576009A (en) Spraying equipment for building construction and use method thereof
CN112206964A (en) Paint spraying equipment capable of automatically improving surface roughness of metal plate
CN112609924A (en) Coating roller capable of automatically supplementing coating
CN214144561U (en) Spraying device that decoration and finishing was used
CN111042496B (en) Wall spraying device
CN111686983A (en) Device capable of uniformly spraying inner wall and bottom wall of vacuum cup
CN111686976A (en) Trunk whitewashing device suitable for different heights and thicknesses
CN111305519A (en) Indoor house roof wall coating whitewashing machine
CN110397249A (en) A kind of integral type wall plaster equipment
CN108160374B (en) Device for clamping motorcycle accessories
CN111036469B (en) Spraying equipment for inner and outer surfaces of sleeve
CN213133720U (en) A workstation for furniture sprays paint
CN111468338B (en) Spray type mechanical part antirust spraying equipment
CN111389650B (en) Even mopping cylinder of adjustable lacquer painting thickness and need not to dip in lacquer
CN110778075B (en) Wall painting device
CN113719080A (en) Energy-concerving and environment-protective liquid wall paper device of paining
CN111456482A (en) Glass curtain wall sealant injection device
CN111270836A (en) Paint spraying device for spraying side seams
CN112170084A (en) Full-automatic automobile nanometer coating device
CN112854678A (en) Energy-saving and environment-friendly automatic paint coating mechanism for high-rise outer wall surface
CN214975194U (en) Mahogany furniture moth-proof device that sprays paint

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20210406