CN102974492B - A kind of inwall automatic spray-paint device - Google Patents
A kind of inwall automatic spray-paint device Download PDFInfo
- Publication number
- CN102974492B CN102974492B CN201110261605.2A CN201110261605A CN102974492B CN 102974492 B CN102974492 B CN 102974492B CN 201110261605 A CN201110261605 A CN 201110261605A CN 102974492 B CN102974492 B CN 102974492B
- Authority
- CN
- China
- Prior art keywords
- spraying
- paint
- dolly
- spray gun
- automatic spray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Spray Control Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention is a kind of inwall automatic spray-paint device that can be used for low viscosity paint spraying.Described device comprises: spraying dolly (3), umbilical cord cable (4), spraying dolly guiding unwheeling (5), electrical control cabinet (6); Described spraying dolly (3) works in metal circular tube product (1), spraying dolly (3) forms by with lower part: chassis, travel driving system, paint spraying system, atmospheric control, protective cover, travel driving system controls spraying dolly (3) and guides the forward of unwheeling (5) along spraying dolly and oppositely walk, paint spraying system realizes automatic switch rifle by atmospheric control, realize to metal tube (1) inwall auto spray painting, atmospheric control is for realizing painting, the switch rifle of spray gun and the adjustment of covering of the fan spraying swath.The domestic blank in low viscosity paint, Large Diameter Pipeline round tube inner wall automatic coating field has been filled up in this invention, and the lacquer painting thickness of spraying low viscosity paint is even, steady quality, achieves low viscosity paint inner-wall spraying process automation.
Description
Technical field
The present invention relates to a kind of inwall automatic spray-paint device, be particularly useful for spraying low viscosity paint.
Background technology
Large Diameter Pipeline metal circular tube inwall need spray-applied primer and finish paint antirust, the paint that some product is selected be low viscosity paint (viscosity 10 ~ 30s).In the past during inner-wall spraying, workman must climb in pipe and utilize manual spray gun spray-applied primer and finish paint, and brushing touch-up paint is carried out at locally sprayed dead angle.
The subject matter that above-mentioned spraying method exists comprises:
1, coating quality is poor
Narrow space in metal tube, workman's activity space is limited, manual spray operating difficulties.Directly affect coating quality, causing that film thickness is uneven, surfacing smoothness is poor, local exists spraying dead angle, quality fluctuation is large etc. sprays defect.
2, spray efficiency is low
At present, the inefficiency of hand spray, every layer of spraying is complete, and pipe all needs drying just can carry out manual touch-up paint and subsequent job.
3, poor working environment
Narrow space in metal tube, when carrying out spray painting operation, the working environment of workman is extremely severe.Meanwhile, in pipe, the coating cloud of not volatile, a large amount of gathering not only affects coating quality, and more cause operating personnel to have difficulty in breathing, serious harm is healthy.
At present, on market, existing metal pipe internal wall sprayer is mainly used in the inner wall anti-corrosive spraying of the pipes such as petroleum transportation pipeline, and coating is the high viscosity paint such as the ester modified heavy anticorrosive paint of multiway tree.The operation principle of such pipeline sprayer is: utilize the coating that high pressure airless spray equipment transports, and directly forms circle, be sprayed on the inner surface of pipeline uniformly, thus realize the painting anticorrosion of pipeline by the throwing disc of High Rotation Speed after being atomized by coating.Be not suitable for spraying low viscosity paint.Therefore must invent a set of inwall automatic spray apparatus that can be used for low viscosity paint spraying, realize spray automation, enhance productivity, stablize coating quality, improve workman's operating environment.
Summary of the invention
The present invention, in order to solve the automatic spraying of low viscosity paint, provides a kind of inwall automatic spray-paint device that can be used for low viscosity paint spraying.Inwall automatic spray-paint device of the present invention comprises: spraying dolly (3), umbilical cord cable (4), spraying dolly guiding unwheeling (5), electrical control cabinet (6);
Spraying dolly (3) works in metal tube product (1), realize automatic coating, comprise travel driving system, paint spraying system, atmospheric control, travel driving system controls spraying dolly (3) forward and oppositely walks, paint spraying system adopts pressure type paint supply mode, realize to metal tube (1) inwall auto spray painting, atmospheric control is for realizing painting, the switch rifle of spray gun and the adjustment of covering of the fan spraying swath;
Umbilical cord cable (4) comprises 4 pipelines, be respectively supply air line (7), control line of electromagnetic valve (8), drive motors line (10) and electric rotating machine line (9), connect spraying dolly (3) and electrical control cabinet (6);
Spraying dolly guiding unwheeling (5) makes spraying dolly (3) enter in metal tube (1) carry out inner-wall spraying operation from spraying dolly guiding unwheeling (5);
Described electrical control cabinet (6) controls crab traversing speed and automatic spray gun rotary speed.
Chassis is the mounting platform of the travel driving system, paint spraying system, atmospheric control, protective cover etc. of spraying dolly.
The domestic blank in low viscosity paint, Large Diameter Pipeline round tube inner wall automatic coating field has been filled up in this invention, greatly improve production efficiency, reduce labor strength, improve workman's operating environment, the lacquer painting thickness of spraying low viscosity paint is even, steady quality, achieves low viscosity paint inner-wall spraying process automation.
Accompanying drawing explanation
Fig. 1 is that present system is always schemed;
Fig. 2 is that the present invention sprays dolly front view;
Fig. 3 is that the present invention sprays dolly side view;
Fig. 4 is electrical control cabinet front view of the present invention.
Detailed description of the invention
As shown in Figure 1, inwall automatic spray-paint device of the present invention forms by with lower part: metal tube parks unwheeling 2, spraying dolly 3, umbilical cord cable 4, spraying dolly guiding unwheeling 5, electrical control cabinet 6.
1, metal tube parks unwheeling 2
Metal tube parks spraying unwheeling 2 for placing metal tube product 1 during inner-wall spraying.
2, dolly 3 is sprayed
Spraying dolly forms by with lower part: chassis, travel driving system, paint spraying system, atmospheric control, protective cover etc.Bolted on connection structure is all adopted between all parts.
System diagram is shown in Fig. 1, Fig. 2, Fig. 3.
(1) chassis
Chassis is the mounting platform of the travel driving system, paint spraying system, atmospheric control, protective cover etc. of spraying dolly, is made up of lightweight materials etc. such as aluminium sheet 31, aluminium section bars 32, lightweight, conveniently moving.
(2) travel driving system
Travel driving system is made up of reductor and AC frequency conversion fire-proof motor 11, Timing Belt 30, synchronous pulley 29, roller 28, bearing block 31 etc., and being arranged on the one end on chassis, is spiro connection structure between each parts.Motor 11, by drive motors line 10 and the Frequency Converter Control in electrical control cabinet 6, can realize the forward of dolly by the button on Artificial Control electrical control cabinet 6 and oppositely walk.Two synchronous pulleys 29, by the transmission of a driving shaft 26, are guaranteed to run and are synchronously carried out.The kind of drive of Timing Belt 30 makes trolley travelling steady, thus ensures that spraying evenly.
(3) paint spraying system
The paint spraying system of native system adopts pressure type paint supply mode.This kind of mode is widely used in middle-size and small-size small lot automatic spraying operating.Paint spraying system forms: the defeated paint can 12 (containing pressure regulator valve 25, safety valve 22, venting ball valve 21) of pressure type, automatic spray gun 19, spray gun rotating mechanism, transmission pipe road, canister 13, low viscosity paint 14 etc.
With the sealing of oil-proof varnish sealing ring between the tank body of the defeated paint can 12 of pressure type and cover.Adjusted the pressure in tank by the pressure regulator valve 25 on cover, make paint be transported to spray gun 19 equably under the effect of the pressure.
Automatic spray gun 19 realizes automatic switch rifle by pneumatic control.Magnetic valve 23 action when pressing switch rifle button, controls compressed air and acts on spray gun, make the action of rifle pin, open or close nozzle, thus realize the control to going out paint.
The composition of spray gun rotating mechanism: DC speed-regulating motor 15, motor mounting rack 16, swivel joint 17, gun shot 18.Compressed air, paint etc. are transported on automatic spray gun 19 by swivel joint 17.Automatic spray gun 19 is arranged on gun shot 18, and the setting angle of spray gun 19 is adjustable, and DC speed-regulating motor 15 rotarily drives automatic spray gun 19 and rotates; DC speed-regulating motor 15 is connected with the DC speed regulator on electrical control cabinet 6 by electric rotating machine line 9, and DC speed regulator controls start-stop and the speed adjustment of DC speed-regulating motor 15.
Canister 13 is placed in the defeated paint can 12 of pressure type, and low viscosity paint 14 is placed in canister 13, paint 14 pressurized rear outputs.
(4) atmospheric control
Pneumatic control is for realizing painting, the switch rifle of spray gun and the adjustment of covering of the fan spraying swath.
External compression air is linked on point air parcel 24 of dolly through Φ 10mm supply air line 7, air parcel 24 is divided to export three road gas, one tunnel supplies the defeated paint can 12 of pressure type for painting through pressure regulator valve 25, one tunnel connects the switch of automatic spray gun 19 through magnetic valve 23, control spray gun paint, the atomization that the 3rd tunnel connects spray gun controls.
(5) protective cover 20
Protective cover 20 is screwed onto on spraying dolly, is covered by whole spraying dolly, avoids coating cloud contaminated equipment, guarantee equipment use safety.
4, umbilical cord cable 4
Umbilical cord cable 4 comprises 4 pipelines, is respectively Φ 10mm supply air line 7, control line of electromagnetic valve 8, drive motors line 10 and electric rotating machine line 9.
5, dolly guiding unwheeling 5 is sprayed
Spraying dolly 3 is placed in spraying dolly guiding unwheeling 5.Castor is equipped with in spraying dolly guiding unwheeling 5, removable, conveniently deposits and changes Active workings, mobility strong.Spraying dolly 3 steadily can enter in metal tube product 1 from spraying dolly guiding unwheeling 5 and carry out inner-wall spraying operation.
6, electrical control cabinet 6
Electrical control cabinet 6 is screwed onto in spraying dolly guiding unwheeling 5.Electric control system is made up of AC converter, DC motor speed-regulating device, 24V power supply and all kinds of console switch etc.Variable-frequency governor controls to exchange fire-proof motor 11 and drives dolly to walk with certain speed according to setpoint frequency; DC motor speed-regulating device controls the rotary speed of automatic spray gun 19; 24V power supply provides power supply for magnetic valve 23 and switch indication light etc.Action button comprises power switch, emergent stopping, dolly forward and oppositely walk button and switch rifle button, and manual operation is simple and easy to do.
Metal tube product inwall automatic spraying operating flow process is as follows:
1, metal tube product 1 is lifted into metal tube and parks in unwheeling 2;
2, spray dolly guiding unwheeling 5 to dock with metal tube product 1 front end;
3, open the cover of the defeated paint can 12 of pressure type, the canister 13 that low viscosity paint 14 is housed is put into tank, builds cover;
4, by pressure regulator valve 25, the paint pressure in the defeated paint can 12 of pressure type is adjusted;
5, exchange fire-proof motor 11 to rotate, drive spraying dolly 3 to move in metal tube product 1 from spraying dolly guiding unwheeling 5.When spraying dolly 3 moves to metal tube product 1 rear end, stop mobile;
6, DC speed-regulating motor 15 rotates, and drives automatic spray gun 19 to rotate;
7, magnetic valve 23 is opened, and automatic spray gun 19 starts to spray paint;
8, exchange fire-proof motor 11 to rotate backward, drive spraying dolly 3 at the uniform velocity to move in metal tube product 1.When moving to metal tube product 1 front end, the stop motion of spraying dolly 3;
9, magnetic valve 23 cuts out, and automatic spray gun 19 stops spraying paint;
10, DC speed-regulating motor 15 power-off, automatic spray gun 19 stops the rotation;
11, to spray paint end;
12, detergent line, spray gun.
The preferred embodiment of the present invention just sets forth the present invention for helping.Preferred embodiment does not have all details of detailed descriptionthe, does not limit the detailed description of the invention that this invention is only described yet.Obviously, according to the content of this description, can make many modifications and variations, for example metal circular tube also can be other various pipeline, inner wall spraying device of the present invention can be applicable to, this description is chosen and is specifically described these embodiments, is to explain principle of the present invention and practical application better, thus makes art technical staff can utilize the present invention well.The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (7)
1. an inwall automatic spray-paint device, described device comprises: spraying dolly (3), umbilical cord cable (4), spraying dolly guiding unwheeling (5), electrical control cabinet (6);
Described spraying dolly (3) works in metal tube product (1), realizes automatic coating, comprises travel driving system, paint spraying system, atmospheric control;
Travel driving system controls spraying dolly (3) forward and oppositely walks;
Paint spraying system adopts pressure type paint supply mode, realizes to metal tube product (1) inwall auto spray painting;
Atmospheric control is for realizing painting, the switch rifle of spray gun and the adjustment of covering of the fan spraying swath;
Described umbilical cord cable (4) comprises 4 pipelines, be respectively supply air line (7), control line of electromagnetic valve (8), drive motors line (10) and electric rotating machine line (9), connect spraying dolly (3) and electrical control cabinet (6);
Described spraying dolly guiding unwheeling (5) makes spraying dolly (3) enter in metal tube product (1) from spraying dolly guiding unwheeling (5) to carry out inner-wall spraying operation;
Described electrical control cabinet (6) controls crab traversing speed and automatic spray gun rotary speed;
The chassis of described spraying dolly (3) is the mounting platform of the travel driving system of spraying dolly, paint spraying system, atmospheric control, protective cover;
The travel driving system of described spraying dolly (3) comprises reductor and AC frequency conversion fire-proof motor (11), Timing Belt (30), synchronous pulley (29), roller (28), bearing block (31), motor (11) is connected with the frequency converter in electrical control cabinet (6) by drive motors line (10), and by Frequency Converter Control, two synchronous pulleys (29) are by the transmission of a driving shaft (26);
It is characterized in that: the paint spraying system of described spraying dolly (3) comprising: the defeated paint can of pressure type (12), the defeated paint can of described pressure type (12) comprises pressure regulator valve (25), safety valve (22) and venting ball valve (21), automatic spray gun (19), spray gun rotating mechanism, transmission pipe road, canister (13);
The defeated paint can of pressure type (12), by the pressure in pressure regulator valve (25) the adjustment tank on cover, makes paint be transported to spray gun (19) under the effect of the pressure;
Automatic spray gun (19) realizes automatic switch rifle by pneumatic control;
Spray gun rotating mechanism controls the rotation of automatic spray gun;
Canister (13) is placed in the defeated paint can of pressure type (12), and low viscosity paint (14) is placed in canister (13), (14) the pressurized rear output of low viscosity paint.
2. inwall automatic spray-paint device according to claim 1, is characterized in that: with the sealing of oil-proof varnish sealing ring between the tank body of the defeated paint can of pressure type (12) and cover.
3. inwall automatic spray-paint device according to claim 1, it is characterized in that: described spray gun rotating mechanism comprises: DC speed-regulating motor (15), motor mounting rack (16), swivel joint (17), gun shot (18), swivel joint (17) is connected on automatic spray gun (19), automatic spray gun (19) is arranged on gun shot (18), and DC speed-regulating motor (15) rotarily drives automatic spray gun (19) and rotates; DC speed-regulating motor (15) is connected with the DC speed regulator on electrical control cabinet (6) by electric rotating machine line (9), and DC speed regulator controls start-stop and the speed adjustment of DC speed-regulating motor (15).
4. inwall automatic spray-paint device according to claim 3, is characterized in that: the setting angle of described automatic spray gun (19) is adjustable.
5. inwall automatic spray-paint device according to claim 1, it is characterized in that: the external compression air of the atmospheric control of described spraying dolly (3) is linked on point air parcel (24) of dolly through supply air line (7), air parcel (24) is divided to export three road gas, one tunnel supplies the defeated paint can of pressure type (12) for painting through pressure regulator valve (25), one tunnel connects the switch of automatic spray gun (19) through magnetic valve (23), control spray gun paint, the atomization that the 3rd tunnel connects spray gun controls.
6. inwall automatic spray-paint device according to claim 1, is characterized in that: the protective cover (20) of described spraying dolly (3) is screwed onto on spraying dolly, is covered by whole spraying dolly.
7. inwall automatic spray-paint device according to claim 1, is characterized in that: metal tube parks spraying unwheeling (2) for placing metal tube product (1) during inner-wall spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110261605.2A CN102974492B (en) | 2011-09-06 | 2011-09-06 | A kind of inwall automatic spray-paint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110261605.2A CN102974492B (en) | 2011-09-06 | 2011-09-06 | A kind of inwall automatic spray-paint device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102974492A CN102974492A (en) | 2013-03-20 |
| CN102974492B true CN102974492B (en) | 2015-09-30 |
Family
ID=47849007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110261605.2A Active CN102974492B (en) | 2011-09-06 | 2011-09-06 | A kind of inwall automatic spray-paint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102974492B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028514B (en) * | 2012-12-05 | 2016-01-27 | 中山市君禾机电设备有限公司 | A kind of inner chamber is from motion tracking flush coater |
| CN105312181B (en) * | 2014-07-31 | 2017-12-19 | 蚌埠市志诚涂装设备科技有限公司 | A kind of heavy caliber plastic-coated steel automatic spraying equipment |
| CN104353576B (en) * | 2014-12-02 | 2017-11-14 | 江苏远望仪器集团有限公司 | Component of machine automates spray-painting plant |
| CN104826764B (en) * | 2015-05-09 | 2017-03-22 | 芜湖鼎恒材料技术有限公司 | Spraying equipment for inner wall of circular tube |
| CN105363607B (en) * | 2015-12-17 | 2018-05-29 | 北京市自来水集团禹通市政工程有限公司 | A kind of spray equipment |
| CN106285503B (en) * | 2016-09-27 | 2018-06-15 | 西南石油大学 | Acid gas well flow string inner wall medium corrosion-resistant automatic painting apparatus and method |
| CN106583133B (en) * | 2016-11-30 | 2018-09-21 | 重庆市庆颖摩托车配件有限公司 | A kind of working method of vacuum paint spraying device for cylinder |
| CN106670085B (en) * | 2016-12-26 | 2019-10-11 | 重庆市永川区泰兴机械厂 | Pipe internal coating spraying method |
| CN107008606A (en) * | 2017-05-24 | 2017-08-04 | 安阳市国龙机械有限公司 | A kind of pipe inner-wall spraying machine |
| CN107617522B (en) * | 2017-09-27 | 2019-06-18 | 邵宝军 | A kind of pipeline corrosion protection processing unit |
| CN108246545B (en) * | 2018-01-29 | 2020-08-07 | 天智羲王管道科技有限公司 | Silver ion graphene cement guniting sewage pipeline inner wall surface treatment system |
| CN109569917B (en) * | 2018-12-04 | 2020-09-22 | 南通理工学院 | Intelligent airless spray gun for spraying semi-closed space |
| CN109513544B (en) * | 2019-01-17 | 2020-11-27 | 德高金属制品宿迁有限公司 | Working method of automatic spraying machine for inner and outer walls of steel pipe |
| US11691186B2 (en) | 2019-07-31 | 2023-07-04 | Toyota Motor Engineering & Manufacturing North America, Inc. | Spray applicator apparatuses for generating uniform spray patterns and methods incorporating the same |
| CN111085379B (en) * | 2019-12-27 | 2021-03-30 | 广东鸿利昌机械制造有限公司 | Steel pipeline epoxy powder inner spraying device |
| CN111229513A (en) * | 2020-03-24 | 2020-06-05 | 北京大成高科机器人技术有限公司 | Automatic spraying device for inner wall of large-diameter long workpiece |
| CN111921735B (en) * | 2020-08-28 | 2024-04-02 | 深圳远荣智能制造股份有限公司 | Automatic color-changing metering spraying pneumatic control pipeline paint supply system and method |
| CN114433455B (en) * | 2021-12-29 | 2022-09-20 | 湖北孝感华中车灯有限公司 | Antifog spraying method for Y-type vehicle lamp lens |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU952356A1 (en) * | 1980-03-21 | 1982-08-23 | Калининский Ордена Трудового Красного Знамени Политехнический Институт | Apparatus for painting articles |
| US4880151A (en) * | 1988-10-31 | 1989-11-14 | Shepherd Willard W | Pressurized spray paint container |
| CN2421495Y (en) * | 2000-06-29 | 2001-02-28 | 河南省濮阳市长兴设备防护有限公司 | Automatic device for steel pipe corrosion-resisting by wrapping cloth or painting |
| CN2917821Y (en) * | 2006-06-16 | 2007-07-04 | 河南省正龙煤业有限公司城郊煤矿 | Automatic canal rust removing and painting device |
-
2011
- 2011-09-06 CN CN201110261605.2A patent/CN102974492B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU952356A1 (en) * | 1980-03-21 | 1982-08-23 | Калининский Ордена Трудового Красного Знамени Политехнический Институт | Apparatus for painting articles |
| US4880151A (en) * | 1988-10-31 | 1989-11-14 | Shepherd Willard W | Pressurized spray paint container |
| CN2421495Y (en) * | 2000-06-29 | 2001-02-28 | 河南省濮阳市长兴设备防护有限公司 | Automatic device for steel pipe corrosion-resisting by wrapping cloth or painting |
| CN2917821Y (en) * | 2006-06-16 | 2007-07-04 | 河南省正龙煤业有限公司城郊煤矿 | Automatic canal rust removing and painting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102974492A (en) | 2013-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102974492B (en) | A kind of inwall automatic spray-paint device | |
| CN201880667U (en) | Automatic sandblasting and spray-coating device for inner wall of steel pipe | |
| CN108745728A (en) | A kind of full-automatic outfititem airless spraying equipment robot | |
| CN206296107U (en) | A kind of super cast iron tube outer surface Rustproofing apparatus | |
| CN211359339U (en) | Anticorrosive treatment device is used in processing of prefabricated direct-burried plastic sheath steel | |
| CN105944887B (en) | A kind of inner wall of the pipe mopping equipment and mopping method | |
| CN206778771U (en) | A kind of machine components auto spray painting device | |
| CN204396307U (en) | Powder spraying device | |
| CN204396254U (en) | Inner surface of container automatic spray apparatus | |
| CN206240683U (en) | hand-held surface spraying device | |
| CN208018851U (en) | A kind of high efficiency spray-painting plant | |
| CN107983577A (en) | A kind of comprehensive paint spraying apparatus of fully-automatic intelligent | |
| CN102941181A (en) | Automatic paint spraying machine for surfaces of wood decorating strips | |
| CN209222462U (en) | Robot is equipped in full-automatic outfititem airless spraying | |
| CN206716302U (en) | A kind of mobile paint spraying apparatus of wind power tower drum | |
| CN204564433U (en) | Petroleum pipeline spray equipment | |
| CN209531220U (en) | A kind of auto spray painting device | |
| CN208865861U (en) | A kind of automotive paints paint-spray robot component | |
| CN202290476U (en) | Inner and outer wall spray coating system of fusion bonded epoxy powder steel pipe | |
| CN202778850U (en) | Rotary cup high-speed rotating pipeline spraying device | |
| CN201385002Y (en) | Golf ball electrostatic painting device | |
| CN206464134U (en) | A kind of complete pneumatic efficient revolution paint finishing | |
| CN209076986U (en) | Spray equipment for compound sleeper | |
| CN209066824U (en) | A kind of adjustable chemistry painting industry spary mechanical equipment | |
| CN207076597U (en) | A kind of automatic paint-spraying machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |