CN206701479U - Powdery paints finished product collecting mechanism - Google Patents
Powdery paints finished product collecting mechanism Download PDFInfo
- Publication number
- CN206701479U CN206701479U CN201720348506.0U CN201720348506U CN206701479U CN 206701479 U CN206701479 U CN 206701479U CN 201720348506 U CN201720348506 U CN 201720348506U CN 206701479 U CN206701479 U CN 206701479U
- Authority
- CN
- China
- Prior art keywords
- tank body
- finished product
- collecting mechanism
- filter core
- powdery paints
- 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- Withdrawn - After Issue
Links
- 239000003973 paint Substances 0.000 claims abstract description 31
- 230000001939 inductive effect Effects 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 abstract description 46
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 238000012216 screening Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000003801 milling Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Landscapes
- Electrostatic Spraying Apparatus (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The utility model provides a kind of powdery paints finished product collecting mechanism, including:Tank body, cover, charging aperture, T-shaped guide shell, blow-off valve, air inducing pipeline;Tank body epimere is cylindric, and hypomere is coniform, two sections engagement composition tank body;Along edge on tank body is set on T-shaped guide shell, bucket wall forms the semi-enclosed annular space in upper end with tank body;Air inducing pipeline is arranged on cover, and negative-pressure air fan is provided with pipeline;Tangential direction access tank body of the charging aperture along tank body epimere, blow-off valve are arranged at tank base;The cross-sectional area of charging aperture is S1, the area of T-shaped guide shell is S2, and 40≤S2/S1≤100.By the utility model, solving the problems, such as coating raw material, superfine powder residual is serious existing for screening stage after milling.
Description
Technical field
It the utility model is related to a kind of production equipment of powdery paints, especially powdery paints finished product collecting mechanism.
Background technology
Powdery paints procedure of processing is usually three steps, the first step, all coarse granule shape raw materials and related auxiliaries is carried out pre-
Mixing;Second step, premixing raw material is melted by extruder, makes each component homogeneous in coating in this course, and tabletting into
Type;3rd step, the tablet sanction of shaping is broken, fragment is milled with grinding machine, the powder packing pack after screening grinding, formation
Product.
The milling stage is related to Granulation Equipments, and the implementation process of prior art is at this stage:Grinding machine grinding-two level rotation
Wind sorting-deduster-blower fan exhausting.Concentration degree during this using whirlwind screening powder product particle is bad, superfine powder
Residual is serious, the problem of easily causing shower nozzle to block in spraying process.Be directed to the demand of more shallow layer, often also need into
Row postsearch screening so that production efficiency reduces.
Utility model content
Superfine powder residual is serious existing for screening stage after milling to solve the problems, such as coating raw material for the utility model, and
A kind of powdery paints finished product collecting mechanism is provided.
In order to solve the above technical problems, a kind of technical scheme that the utility model provides use is:
A kind of powdery paints finished product collecting mechanism, including:Tank body, cover, charging aperture, T-shaped guide shell, blow-off valve, air inducing
Pipeline;Tank body epimere is cylindric, and hypomere is coniform, two sections engagement composition tank body;Edge is set in tank on T-shaped guide shell
Body epimere, bucket wall form the semi-enclosed annular space in upper end with tank body;Air inducing pipeline is arranged on cover, is provided with pipeline
Negative-pressure air fan;Tangential direction access tank body of the charging aperture along tank body epimere, blow-off valve are arranged at tank base;Charging aperture it is transversal
Area is S1, the area of T-shaped guide shell is S2, and 40≤S2/S1≤100。
Preferably, the cross-sectional area of tank body epimere is S1, the area of T-shaped guide shell is S2, the cross-sectional area of torus space is
S1-S2, and 10≤S2/(S1-S2)≤30。
Preferably, T-shaped guide shell upper end is provided with filter core grillage, and at least one filter core installation position is provided with grillage, filter
Core is provided with filter core on installation position.
Preferably, filter core installation position is circular hole, and the filter core is barrel-shaped, is cavity inside filter core, filter core is set in
In circular hole;The cover upper end is provided with more than one pulser, and the position of pulser installation is alignd one by one with filter core, the arteries and veins
Rush device and be provided with support bar, post position is corresponding with filter core edge.
Preferably, tank base is provided with regulating valve, and position is located at blow-off valve upper end.
Preferably, tank base is provided with air inlet, and air inlet is located above blow-off valve, and feed channel is repeatedly kicked into outside air inlet,
Regulating valve is provided with pipeline.
Preferably, mechanism also includes a droplet measurement module, and the sensor of the detection module is installed on tank base,
Above blow-off valve, below air inlet.
Preferably, air inducing pipeline end is provided with dust arrester.
Preferably, T-shaped guide shell lower edge and tank body hypomere chamfer distance L and tank body epimere radius R1, T-shaped guide shell
Radius R2Relation-be that L is less than R1-R2。
In order to solve the above technical problems, another technical scheme that the utility model uses is:
A kind of powdery paints finished product collecting mechanism, including:Tank body, cover, charging aperture, T-shaped guide shell, blow-off valve, air inducing
Pipeline;Tank body epimere is cylindric, and hypomere is coniform, two sections engagement composition tank body;Edge is set in tank on T-shaped guide shell
Body epimere, bucket wall form the semi-enclosed annular space in upper end with tank body;Air inducing pipeline is arranged on cover, is provided with pipeline
Negative-pressure air fan;Tangential direction access tank body of the charging aperture along tank body epimere, blow-off valve are arranged at tank base;Charging aperture it is transversal
Area is S1, the area of T-shaped guide shell is S2, and 40≤S2/S1≤100。
Preferably, T-shaped guide shell upper end is provided with grillage, is provided with grading wheel below the grillage, the grading wheel leads to
Bearing is crossed with power motor to be connected.
The beneficial effect of the utility model embodiment is:For existing issue, in embodiment of the present utility model, profit
With in same semiclosed pipeline, diverse location flow identical principle within equal time, using current difference to powdery paints into
Product particle is accelerated in the process by tank body epimere, and in high speed motions, air drag is of different sizes, makes ultra-fine
Grain separates with required finished product, is taken away by air-flow, realizes screening out for superfine powder.
Brief description of the drawings
Fig. 1 show the powdery paints finished product collecting mechanism sectional view of the utility model embodiment;
Fig. 2 show the coating finished product collecting mechanism structural representation of the utility model embodiment;
Fig. 3 show the powdery paints finished product collecting mechanism scheme of installation of the utility model embodiment;
Fig. 4 show the filter core framed plate structure schematic diagram of the coating finished product collecting mechanism of the utility model embodiment;
Fig. 5 show the coating finished product collecting mechanism pipeline schematic diagram of the utility model embodiment;
Fig. 6 show the coating finished product collecting mechanism structural representation of the utility model embodiment 4.
Label declaration:
34-T shape guide shells;45- filter core grillages;46- tank bodies;47- covers;48- sealing rings;49- filter cores;51- charging apertures;
52- air inducing pipelines;53- torus spaces;61- tank body epimeres;62- tank body hypomeres;71- regulating valve 72- blow-off valves;401- is supported
Bar;402- pulsers;412- filter cores installation position;Edge on 413- guide shells;414- guide shell lower edges;11- negative-pressure air fans;
12- dust arresters;13- pipeline regulating valves;14- sensors;15- air inlets;55- grillages;56- grading wheels;57- power motors;
58- bearings;16- admission lines.
Embodiment
For detailed description technology contents of the present utility model, the objects and the effects, below in conjunction with embodiment and match somebody with somebody
Accompanying drawing is closed to be explained.
Please refer to shown in Fig. 1 to 5, a kind of powdery paints finished product collecting mechanism, including:Tank body 46, cover 47, charging
Mouth 51, T-shaped guide shell 34, blow-off valve 71, air inducing pipeline 52;Tank body epimere 61 to be cylindric, tank body hypomere 62 be it is coniform, on
Lower two sections of engagements composition tank body 46;On T-shaped guide shell 34 tank body epimere 61, the barrel and tank of T-shaped guide shell 34 are set in along 413
Body 46 forms the semi-enclosed annular space 53 in upper end;Air inducing pipeline 52 is arranged on cover 47, is provided with air inducing pipeline 52
Negative-pressure air fan 11;Tangential direction access tank body of the charging aperture 51 along tank body epimere 61, blow-off valve 71 are arranged at tank body hypomere 62
Bottom.The cross-sectional area of charging aperture 51 is S1, the area of T-shaped guide shell 34 is S2, and 40≤S2/S1≤100。
Further, the cross-sectional area of tank body epimere 61 is S3, the cross-sectional area of T-shaped guide shell is S2, the horizontal stroke of torus space 53
Sectional area is S3-S2, and 10≤S2/(S3-S2)≤30。
Embodiment 1
Operation principle is as follows, in the present embodiment, S2/S1=40, S2/(S3-S2)=10.Powdery paints is collected in finished product
Suction of the major impetus from negative-pressure air fan in mechanism, in one section of continuous pipeline, the flow of unit interval is equal everywhere, enters
Material mouth 51 can be regarded as the different piece in one section of continuous pipeline, in the case that flow is certain, flow velocity and pipe with T-shaped guide shell 34
The cross-sectional area on road is inversely proportional, and the area of charging aperture 51 is S1, the area S of T-shaped guide shell 342, S2/S1When=40, air-flow is at this
Speed difference in two sections of pipelines is 40 times.Thus powder obtained at the charging aperture 51 in great horizontal direction, along tank body epimere
The speed of tangential direction, the air drag of powder particle is directly proportional to velocity squared and front face area, is utilized in motion process
The difference of air drag between speed increase superfine powder and finished powder is improved, separates superfine powder and finished powder particle.
Similarly, the cross-sectional area of tank body epimere 61 is S3, the cross-sectional area of T-shaped guide shell is S2, the cross section of torus space 53
Product is S3-S2, S2/(S3-S2During)=10, velocity attitude of the air-flow in torus space 53 vertically downward, about in T-shaped guide shell
10 times of 34 interior air-flow speed, high velocity air will drive powder particle to continue to accelerate in vertical downward direction, increase superfine powder
The difference of air drag between finished powder, superfine powder is set to be separated with finished powder more thorough.
In the lower edge of T-shaped guide shell 34, airflow direction produces 180 degree transformation, and air-flow velocity is changed into torus space 53
1/40, now finished powder is continued to decline by effect of inertia, and superfine powder is then pulled away.
Further, the upper end of T-shaped guide shell 34 is provided with filter core grillage 45, and filter core installation position is provided with filter core grillage 45
412, filter core 49 is installed on filter core installation position 412.Installation filter core can avoid finished powder from being entrained by the flow of air.
Further, filter core installation position 412 is circular hole, and the filter core 49 is barrel-shaped, and the inside of filter core 49 is cavity, filter
Core 49 is set in circular hole.The upper end of cover 47 is provided with pulser 402, a pair of position and the filter core 49 1 of the installation of pulser 402
Together, pulser 402 is provided with support bar 401, and the position of support bar 401 is corresponding with the edge of filter core 49.The mounting means need not
Filter core 49 is fixed in an assembling process, after cover 47 and tank body 46 are fixed, support bar 401 will support filter core 49 to make it
It is fixed, improve installation effectiveness and be also convenient for dismounting with changing filter core 49.Pulser 402 regularly discharges air-flow in the course of the work
Pulse can avoid filter core 49 from blocking, and improve filter efficiency.
Further, tank base is provided with regulating valve 71, and position is located at the upper end of blow-off valve 72, blow-off valve in production process
72 when breaking down, and closes regulating valve 71, avoids leaking powder when repairing blow-off valve 72.
Further, tank base is provided with air inlet 15, and air inlet is located at the top of blow-off valve 72, gas is repeatedly kicked into outside air inlet
Pipeline 16, regulating valve 13 is provided with pipeline.Acted in production process by negative-pressure air fan 11 gas is sucked by admission line 16 can
To dispel the superfine powder not separated in dropping process with finished powder, remaining superfine powder is raised air-flow and take away.
Further, powdery paints finished product collecting mechanism also includes a droplet measurement module, the sensor of detection module
14 are installed on tank base, and the position of sensor 14 is arranged at the lower section of air inlet 15, can detect the particle diameter distribution of finished powder
Situation, when superfine powder residual is more, the pipeline regulating valve 13 on admission line can be adjusted, increase air inflow dispels unnecessary super
Fine powder, it is raised air-flow and take away.
Further, after negative-pressure air fan 11, the end of air inducing pipeline 52 is provided with dust arrester 12, avoids superfine powder straight
Run in and be put into air.
Further, the lower edge 414 and tank body hypomere chamfer distance L and tank body epimere radius R of T-shaped guide shell 341、T
Shape guide shell radius R2Relation be:L is less than R1-R2;Narrowed air-flow turning point can make powder third time acceleration allow ultra-fine herein
Powder and finished product separate more thorough.
Embodiment 2
A kind of powdery paints finished product collecting mechanism, structure is identical with the powdery paints finished product collecting mechanism, in this implementation
In mode, S2/S1=100, S2/(S1-S2)=30.Speed ratio of the air-flow between charging aperture 51 and T-shaped guide shell 34 be about
100, air-flow is in 30 times that the speed of torus space 53 is the speed in T-shaped guide shell.Thus powder is empty in charging aperture and annular
In accelerate twice, the air drag of powder particle is directly proportional to velocity squared and front face area, using carrying in dropping process
Increase the difference of air drag between superfine powder and finished powder at high speed, superfine powder and finished powder particle is separated and is being entered
Air-flow is raised after tank body hypomere to take away.
Embodiment 3
A kind of powdery paints finished product collecting mechanism, structure is identical with the powdery paints finished product collecting mechanism, in this implementation
In mode, S2/S1=80, S2/(S1-S2)=20.Speed ratio of the air-flow between charging aperture 51 and T-shaped guide shell 34 is about 80,
Air-flow is in 20 times that the speed of torus space 53 is the speed in T-shaped guide shell 34.Thus powder is in charging aperture and annular space
Inside accelerate twice, the air drag of powder particle is directly proportional to velocity squared and front face area, and raising is utilized in dropping process
Speed increases the difference of air drag between superfine powder and finished powder, makes superfine powder and finished powder particle separates and into tank
Air-flow is raised after body hypomere to take away.
Embodiment 4
Please refer to shown in Fig. 6, structure is close with the powdery paints finished product collecting mechanism, is different from using filter core
Superfine powder powder filter mode.Grillage 55 is provided with the upper end of T-shaped guide shell 34, the lower section of grillage 55 is provided with grading wheel 56, institute
Grading wheel 56 is stated by bearing 58 with power motor 57 to be connected.Grading wheel is driven using power motor 57, coordinates negative-pressure air fan
(not shown) is aspirated to realize the filtering of superfine powder.
A kind of powdery paints finished product collecting mechanism provided by the utility model, using in same semiclosed pipeline, different positions
The flow identical principle within equal time is put, using current difference to powdery paints finished particle in the process by tank body epimere
Accelerated, in high speed motions, air drag is of different sizes, ultra-fine grain is separated with required finished product, leads to
Cross air-flow to take away, realize screening out for superfine powder.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalents made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in the technology neck of correlation
Domain, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of powdery paints finished product collecting mechanism, including:Tank body, cover, charging aperture, T-shaped guide shell, blow-off valve, induced duct
Road;The tank body epimere is cylindric, and hypomere is coniform, two sections engagement composition tank body;Along set on the T-shaped guide shell
Loaded on tank body epimere, bucket wall forms the semi-enclosed annular space in upper end with tank body;The air inducing pipeline is arranged on cover, pipe
Negative-pressure air fan is provided with road;Tangential direction access tank body of the charging aperture along tank body epimere, the blow-off valve are arranged at tank
Body bottom;
It is characterized in that:The cross-sectional area of the charging aperture is S1, the area of the T-shaped guide shell is S2, and 40≤S2/S1≤
100。
2. powdery paints finished product collecting mechanism according to claim 1, it is characterised in that:The cross section of the tank body epimere
Product is S3, the area of the T-shaped guide shell is S2, the cross-sectional area of the torus space is S3-S2, and 10≤S2/(S3-S2)≤
30。
3. powdery paints finished product collecting mechanism according to claim 1, it is characterised in that:The T-shaped guide shell upper end is set
Filter core grillage is equipped with, at least one filter core installation position is provided with grillage, filter core is provided with filter core on installation position.
4. powdery paints finished product collecting mechanism according to claim 3, it is characterised in that:The filter core installation position is circular hole
Shape, the filter core are barrel-shaped, are cavity inside filter core, filter core is set in circular hole;The cover upper end be provided with one with
Upper pulser, the position of pulser installation are alignd one by one with filter core, and the pulser is provided with support bar, post position and filter
Core edge is corresponding.
5. powdery paints finished product collecting mechanism according to claim 1, it is characterised in that:The T-shaped guide shell upper end is set
Grillage is equipped with, is provided with grading wheel below the grillage, the grading wheel is connected by bearing with power motor.
6. powdery paints finished product collecting mechanism according to claim 1, it is characterised in that:The tank base is provided with tune
Valve is saved, position is located at blow-off valve upper end.
7. powdery paints finished product collecting mechanism according to claim 1, it is characterised in that:The tank base be provided with into
Gas port, air inlet are located above blow-off valve, repeatedly kick into feed channel outside air inlet, regulating valve is provided with pipeline.
8. powdery paints finished product collecting mechanism according to claim 7, it is characterised in that:The mechanism also includes a grain
Footpath detection module, the sensor of the detection module are installed on tank base, above blow-off valve, below air inlet.
9. powdery paints finished product collecting mechanism according to claim 1, it is characterised in that:The air inducing pipeline end is set
There is dust arrester.
10. the powdery paints finished product collecting mechanism according to claim 1-9 any one, it is characterised in that:The T-shaped is led
Flow cartridge lower edge and tank body hypomere chamfer distance L and tank body epimere radius R1, T-shaped guide shell radius R2Relation be:L is less than
R1-R2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348506.0U CN206701479U (en) | 2017-04-05 | 2017-04-05 | Powdery paints finished product collecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348506.0U CN206701479U (en) | 2017-04-05 | 2017-04-05 | Powdery paints finished product collecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206701479U true CN206701479U (en) | 2017-12-05 |
Family
ID=60468683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720348506.0U Withdrawn - After Issue CN206701479U (en) | 2017-04-05 | 2017-04-05 | Powdery paints finished product collecting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206701479U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138266A (en) * | 2017-04-05 | 2017-09-08 | 厦门市三和泰科技有限公司 | Powdery paints finished product collecting mechanism |
| CN112827633A (en) * | 2020-12-29 | 2021-05-25 | 安徽省碧绿春生物科技有限公司 | Gluten production is with circulation device of doing over again |
-
2017
- 2017-04-05 CN CN201720348506.0U patent/CN206701479U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138266A (en) * | 2017-04-05 | 2017-09-08 | 厦门市三和泰科技有限公司 | Powdery paints finished product collecting mechanism |
| CN107138266B (en) * | 2017-04-05 | 2024-01-16 | 厦门市三和泰科技有限公司 | Powder coating finished product collecting mechanism |
| CN112827633A (en) * | 2020-12-29 | 2021-05-25 | 安徽省碧绿春生物科技有限公司 | Gluten production is with circulation device of doing over again |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11273607B2 (en) | Depowdering apparatuses for additive manufacturing and methods for using the same | |
| CN103231314A (en) | An integrated sandblasting machine | |
| CN106629054A (en) | Suspension conveying device for liquid crystal glass substrate | |
| CN206701479U (en) | Powdery paints finished product collecting mechanism | |
| CN108050104A (en) | A kind of adjustable cylindrical air vortex air exhausting device of air-supply | |
| CN105020757B (en) | A kind of fan structure of smoke exhaust ventilator forming artificial spout | |
| CN107030081A (en) | A kind of used by oscillating screen feeds dustproof dust-collecting equipment | |
| CN205010964U (en) | Air cushion conveyer with wind circulation dust pelletizing system | |
| US12151436B2 (en) | Blast nozzles for additive manufacturing and methods for using the same | |
| CN205323453U (en) | Cement ash dust collector for building | |
| CN203848360U (en) | Draught fan structure of extractor hood capable of forming man-made tornado | |
| CN206701380U (en) | Powdery paints granulating system | |
| CN114320435A (en) | A remote control type tunnel construction self-adaptive dust suction and dust reduction integrated device | |
| CN204294480U (en) | A kind of carpentry work-shop dust arrester | |
| CN107138266A (en) | Powdery paints finished product collecting mechanism | |
| CN110681586B (en) | A carbon black grading and screening device | |
| CN206483279U (en) | High-pressure vortex sack cleaner | |
| CN110711455A (en) | Dust collector and vacuum operation vehicle | |
| CN218235169U (en) | A remote-controlled tunnel construction self-adaptive dust-absorbing integrated device | |
| CN105148671B (en) | A kind of kitchen cabinet processing of stone dust treatment system and its processing method | |
| CN206701723U (en) | Ball blast machinery recovery ball dirt separator | |
| CN204380474U (en) | Automation dust arrester | |
| CN110665315B (en) | Production environment-improved water-based paint process system, process method and paint formula | |
| CN208878792U (en) | A kind of powder classification device and pulverizer | |
| CN206746202U (en) | A kind of cartridge-type filter cylinder dust-collecting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Qionglu Inventor after: Wu Huafeng Inventor before: Wu Qionglu Inventor before: Li Chuyin |
|
| CB03 | Change of inventor or designer information | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171205 Effective date of abandoning: 20240116 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171205 Effective date of abandoning: 20240116 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |