CN103540990B - A kind of blue and white porcelain coating process - Google Patents
A kind of blue and white porcelain coating process Download PDFInfo
- Publication number
- CN103540990B CN103540990B CN201310477083.9A CN201310477083A CN103540990B CN 103540990 B CN103540990 B CN 103540990B CN 201310477083 A CN201310477083 A CN 201310477083A CN 103540990 B CN103540990 B CN 103540990B
- Authority
- CN
- China
- Prior art keywords
- workpiece
- blue
- work
- white porcelain
- application
- 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.)
- Expired - Fee Related
Links
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to machining technology field, in particular to a kind of blue and white porcelain coating process, including：Will be the surface of the work being welded zinc-plated；Phosphorating treatment is done to the surface of the work after zinc-plated；Surface of the work application after phosphorating treatment simultaneously solidifies organic zinc epoxy powder；In application and solidify the surface of the work application of organic zinc epoxy powder and solidify blue and white porcelain powder.In blue and white porcelain coating process provided by the present invention, it is good in the external coating corrosion resistance of workpiece, the big zinc layers of hardness, phosphate coating, four layers of coating layer of organic zinc epoxy bisque and blue and white porcelain bisque, coating process will not both be related to the process of pickling, coating is thicker than the coating formed when carrying out application using electrophoretic techniques in prior art, it is not easy to come off under extraneous shock, thus than prior art, the service life of workpiece can be extended.
Description
Technical field
The present invention relates to machining technology field, in particular to a kind of blue and white porcelain coating process.
Background technology
Existing blue and white porcelain coating process typically carries out application using electrophoretic techniques.Workpiece is being carried out using electrophoretic techniques
When application, the semi-finished product of workpiece can carry out the follow-up step of application after must first go through rust cleaning pickling.But half into
After pickling, its antiseptic property will reduce by more than one times to product workpiece, thus resulted in the method through electrophoresis and applied
The workpiece of dress is easier corrosion, reduces the service life of workpiece.And due to carrying out application japanning to workpiece using electrophoretic techniques
When, being affected by voltage, workpiece varnishing is thin, and its lacquer painting is easily destroyed in use, and workpiece can come out, work
The exposed part of part and air contact, more easily corrosion, reduce the service life of workpiece.
The content of the invention
It is an object of the invention to provide a kind of blue and white porcelain coating process, above-mentioned to solve the problems, such as.
A kind of blue and white porcelain coating process is provided in an embodiment of the present invention, including：
Will be the surface of the work being welded zinc-plated；
Phosphorating treatment is done to the surface of the work after zinc-plated；
Surface of the work application after phosphorating treatment simultaneously solidifies organic zinc epoxy powder；
In application and solidify the surface of the work application after organic zinc epoxy powder and solidify blue and white porcelain powder.
The blue and white porcelain coating process of the above embodiment of the present invention, needs are plated according to sequencing respectively on the surface of workpiece
Zinc, phosphorating treatment, application simultaneously solidify organic zinc epoxy powder and application and solidify blue and white porcelain powder, with this blue and white porcelain coating process
The workpiece of application, one layer of zinc due to the plated surface in workpiece so that the corrosion resistance and rust-preventing characteristic of workpiece more preferably, due to plating
Workpiece after zinc has done phosphorating treatment, and phosphorating treatment can adhere to one layer of phosphating coat in surface of the work, play protection workpiece, improve
The effect of corrosion resistance and antirust, and when causing follow-up application, coating material has more preferable adhesive force.Organic zinc epoxy powder
Enable to the corrosion resistance and resistant tarnishing of surface of the work more preferably, and as organic zinc epoxy powder is after solidification, firmly
Degree is larger, is not easy to come off due to extraneous shock when being attached on workpiece.Finally carry out application again to workpiece and solidify green grass or young crops
The process of flower porcelain powder, blue and white porcelain powder are one kind of Hubei Wan Bang new materials Co., Ltd production, with nontoxic, it is acidproof, alkaline-resisting, and
Coating material with good decorative effect, is mixed by epoxy resin, polyester resin, auxiliary agent, color stuffing and silver powder,
Application after being solidificated in surface of the work, it is not easy to come off under extraneous shock, anticorrosion favorable rust preventing effect.To sum up, the present invention
It is in the blue and white porcelain coating process for being provided, good in the external coating corrosion resistance of workpiece, the big zinc layers of hardness, phosphate coating, have
Four layers of coating layer of machine zinc epoxy bisque and blue and white porcelain bisque, coating process will not relate to the process of pickling, and coating is than existing
The coating formed when carrying out application using electrophoretic techniques in having technology is thicker, it is not easy to come off under extraneous shock, thus
Than prior art, the service life of workpiece can be extended.
Description of the drawings
The flow chart that Fig. 1 shows the blue and white porcelain coating process provided by the embodiment of the present invention one；
The flow chart that Fig. 2 shows the blue and white porcelain coating process provided by the embodiment of the present invention two.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Below by specific embodiment and combine accompanying drawing the present invention is described in further detail.
Embodiment one：
Fig. 1 is the flow chart of the blue and white porcelain coating process provided by the embodiment of the present invention one.It is shown in Figure 1, Yi Zhongqing
Flower porcelain coating process, including：
Step 101：Will be the surface of the work being welded zinc-plated；
Step 102：Phosphorating treatment is done to the surface of the work after zinc-plated；
Step 103：Surface of the work application after phosphorating treatment simultaneously solidifies organic zinc epoxy powder；
Step 104：In application and solidify the surface of the work application after organic zinc epoxy powder and solidify blue and white porcelain powder.
In the blue and white porcelain coating process provided by the present embodiment one, need to distinguish according to sequencing on the surface of workpiece
Zinc-plated, phosphorating treatment, application simultaneously solidify organic zinc epoxy powder and application and solidify blue and white porcelain powder, with this blue and white porcelain application side
The workpiece of method application, one layer of zinc due to the plated surface in workpiece so that the corrosion resistance and rust-preventing characteristic of workpiece more preferably, due to right
Workpiece after zinc-plated has done phosphorating treatment, and phosphorating treatment can adhere to one layer of phosphating coat in surface of the work, play protection workpiece, carry
The effect of highly corrosion resistant and antirust, and when causing follow-up application, coating material has more preferable adhesive force.Organic zinc epoxy
Powder enables to the corrosion resistance and resistant tarnishing of surface of the work more preferably, and as organic zinc epoxy powder is after solidification,
Hardness is bigger, is not easy to come off due to extraneous shock when being attached on workpiece.Finally carry out application again to workpiece and solidify
The process of blue and white porcelain powder, blue and white porcelain powder are one kind of Hubei Wan Bang new materials Co., Ltd production, with nontoxic, acidproof, alkaline-resisting,
And the coating material with good decorative effect, by the mixing of epoxy resin, polyester resin, auxiliary agent, color stuffing and silver powder
Into after, application being solidificated in surface of the work, it is not easy to come off under extraneous shock, anticorrosion favorable rust preventing effect.To sum up, this
It is in bright provided blue and white porcelain coating process, good in the external coating corrosion resistance of workpiece, the big zinc layers of hardness, phosphate coating,
Four layers of coating layer of organic zinc epoxy bisque and blue and white porcelain bisque, coating process will not relate to the process of pickling, coating than
The coating formed when carrying out application using electrophoretic techniques in prior art is thicker, it is not easy to come off under extraneous shock, because
And than prior art, the service life of workpiece can be extended.
In each embodiment of the invention, it is preferable that described the surface of the work that be welded zinc-plated also to include before：Using
Gas protection welding process welding workpiece.
When welding using gas protection welding process, will not disfiguring workpiece surface, thus in surface of the work
Left scar is more obvious than other solder technology, the convenient enforcement to subsequent process.
In each embodiment of the invention, it is preferable that also include after the welding workpiece：Remove the scar after workpiece welding
Trace；Will be the surface dressing of the workpiece removed after scar smooth；Sealing detection is carried out to workpiece of the surface dressing after smooth.
As workpiece is when welding, may scar, therefore after workpiece is welded, in addition it is also necessary to except defluxing
Connect formed scar.And as workpiece is made of that have the steel such as steel plate, steel can form one during manufacture, transport
Fixed deformation, so that will be the surface dressing of workpiece smooth after workpiece is welded.As the workpiece for welding is for various
Field, requires that when liquid is held using workpiece in workpiece the weld seam on workpiece must no sealing, such as cooking heating
Stove, the side wall of stove will have water to flow, so that carrying out sealing detection to workpiece.
In each embodiment of the invention, it is preferable that it is described will be the surface of the work being welded zinc-plated, and described pair plating
Surface of the work after zinc does：The workpiece of plating zinc on surface is carried out into surface polished finish.
The surface of the work of plating zinc on surface is processed by shot blasting, is as, when zinc-plated to workpiece, zinc layers may nothing
Method substantially uniformity is distributed in surface of the work, thus for follow-up coating process in, each layer of coating layer be all it is smooth, because
This need will be zinc-plated after surface of the work be processed by shot blasting so that workpiece either visually sees, or touched with hand and all put down very much
It is sliding.
In each embodiment of the invention, it is preferable that the workpiece by plating zinc on surface carry out surface polished finish it
Also include afterwards：The workpiece degreasing after the polished finish of surface will be carried out；Workpiece after degreasing is cleaned using clear water.
Due to making the material of workpiece and mechanically having machinery oil, therefore certain machine can be remained on the surface of workpiece
Tool oil, during follow-up coating process can be affected, adhesive force of the coating layer on workpiece.So that by the work after the polished finish of surface
Part carries out ungrease treatment.Ungrease treatment generally uses degreasing agent and workpiece is soaked, the greasy dirt of removing surface of the work, thus
After degreasing, in addition it is also necessary to the workpiece after degreasing is cleaned using clear water, the oil of the degreasing agent and residual of surface of the work is washed away
It is dirty.General this cleaning includes cleaning at least twice, so, can sufficiently ensure greasy dirt and the degreasing of surface of the work
Agent is cleaned.
In each embodiment of the invention, it is preferable that the surface of the work to after zinc-plated does phosphorating treatment and is specially：Make
The surface of workpiece is adjusted with table adjustment；Phosphorating treatment is done to carrying out the workpiece after the adjustment of surface.
The surface of workpiece is adjusted using table adjustment, table is adjusted and can form protective filmy layer on the surface of workpiece, makes
Obtain phosphate coating to be preferably attached on workpiece.
In each embodiment of the invention, it is preferable that be phosphorating treatment, Yi Jisuo in the surface of the work to after zinc-plated
Stating in the surface of the work application after phosphorating treatment and solidifying also includes between organic zinc epoxy powder：Workpiece after phosphorating treatment is existed
The phosphatization slag for being attached to surface of the work is washed away in cold water；Clean during hot water of the workpiece after phosphatization slag more than 60 DEG C will be washed away.
As workpiece is during phosphatization, may be in the remained on surface phosphatization slag of workpiece, thus for the table of workpiece
Smooth after the application of face, phosphatization slag is washed in cold water by needs.The hot water for reusing more than 60 DEG C is cleaned to workpiece,
Enable to the phosphating coat formed on the surface of the workpiece by phosphorating treatment dry faster, so that the phosphating coat on workpiece can
Preferably absorption is on the surface of workpiece.
In each embodiment of the invention, it is preferable that the surface of the work application after phosphorating treatment simultaneously solidifies organic
Zinc epoxy powder is specially：
In one layer of organic zinc epoxy powder of external coating of the workpiece, and dry at a temperature of 200 DEG C；
Curing process is carried out to the organic zinc epoxy powder on workpiece using curing agent.
It is powder when organic zinc epoxy powder is on the surface for be sprayed onto workpiece, and organic zinc epoxy powder is more than 200 DEG C
When melt, and being attached to the surface of workpiece, and then reuse curing agent is carried out to being melted in surface of the work organic zinc epoxy powder
Solidification, enables to the more preferably hardening of organic zinc epoxy powder and is more firmly attached to the surface of workpiece.
In each embodiment of the invention, it is preferable that described in application and to solidify the surface of the work after organic zinc epoxy powder
Application simultaneously solidifies blue and white porcelain powder and is specially：
In application and solidify the surface of the work application blue and white porcelain powder after organic zinc epoxy powder；
The blue and white porcelain powder of surface of the work institute application is solidified using curing agent.
In each embodiment of the invention, it is preferable that described in application and to solidify the surface of the work after organic zinc epoxy powder
Application simultaneously also includes after solidifying blue and white porcelain powder：
By application and solidify the workpiece after blue and white porcelain powder and toast at a temperature of at least 200 DEG C；
The time of the baking is -2.2 hours 1.8 hours.
Four layers of coating layer are applied after being attached on workpiece, more than 200 DEG C at a temperature of, to workpiece toast 1.8 hours-
2.2 hours, four layers of coating layer are further solidificated in into the surface of workpiece so that the coating layer on workpiece is more firmly difficult
Come off, antiseptic and rustproof effect is higher.So, four layers of coating layer are carried out into hot setting so that using green grass or young crops provided by the present invention
The workpiece of flower porcelain coating process institute application possesses more preferable high temperature resistant, corrosion-resistant spy than using the workpiece of prior art institute application
Property.
Simultaneously after many secondary coatings, solidification, hot setting, not only so that coating layer firmly, strengthens antiseptic and rustproof effect
Really, while bright clean, the non-sticky greasy dirt of blue and white porcelain powder coating layer gloss can also be caused, it is easy to clear up.
The flow chart that Fig. 2 shows the blue and white porcelain coating process provided by the embodiment of the present invention two, it is shown in Figure 2, this
The blue and white porcelain coating process provided by embodiment two includes：
Step 201：Using gas protection welding process welding workpiece；
Step 202：Remove the scar after workpiece welding；
Step 203：Will be the surface dressing of the workpiece removed after scar smooth；
Step 204：Sealing detection is carried out to workpiece of the surface dressing after smooth；
Step 205：Will be the surface of the work being welded zinc-plated；
Step 206：The workpiece of plating zinc on surface is carried out into surface polished finish；
Step 207：The workpiece degreasing after the polished finish of surface will be carried out；
Step 208：Workpiece after degreasing is cleaned using clear water；
Step 209：The surface of workpiece is adjusted using table adjustment；
Step 210：Phosphorating treatment is done to carrying out the workpiece after the adjustment of surface；
Step 211：Workpiece after phosphorating treatment is washed away in cold water the phosphatization slag for being attached to surface of the work；
Step 212：Clean during hot water of the workpiece of phosphatization slag more than 60 DEG C will be washed away；
Step 213：In one layer of organic zinc epoxy powder of external coating of the workpiece, and dry at a temperature of 200 DEG C；
Step 214：Curing process is carried out to the organic zinc epoxy powder on workpiece using curing agent；
Step 215：In application and solidify the surface of the work application blue and white porcelain powder after organic zinc epoxy powder；
Step 216：The blue and white porcelain powder of surface of the work institute application is solidified using curing agent；
Step 217：By application and solidify the workpiece after blue and white porcelain powder and toast at a temperature of at least 200 DEG C；
The time of the baking is -2.2 hours 1.8 hours.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of blue and white porcelain coating process, it is characterised in that include：
Will be the surface of the work being welded zinc-plated；
Phosphorating treatment is done to the surface of the work after zinc-plated；
Surface of the work application after phosphorating treatment simultaneously solidifies organic zinc epoxy powder；
In application and solidify the surface of the work application after organic zinc epoxy powder and solidify blue and white porcelain powder；
Wherein, the blue and white porcelain powder is mixed by epoxy resin, polyester resin, auxiliary agent, color stuffing and silver powder；
It is described in application and to solidify the surface of the work application after organic zinc epoxy powder and also include after solidifying blue and white porcelain powder：
By application and solidify the workpiece after blue and white porcelain powder and toast at a temperature of at least 200 DEG C；
The time of the baking is -2.2 hours 1.8 hours；
Wherein, the surface of the work application after phosphorating treatment solidify organic zinc epoxy powder and be specially：
In one layer of organic zinc epoxy powder of external coating of the workpiece, and dry at a temperature of 200 DEG C；
Curing process is carried out to the organic zinc epoxy powder on workpiece using curing agent；
Wherein, it is described the surface of the work that be welded zinc-plated also to include before：
Using gas protection welding process welding workpiece；
Remove the scar after workpiece welding；
Will be the surface dressing of the workpiece removed after scar smooth；
Sealing detection is carried out to workpiece of the surface dressing after smooth.
2. a kind of blue and white porcelain coating process according to claim 1, it is characterised in that described by the workpiece table being welded
Face is zinc-plated, and the surface of the work to after zinc-plated does：
The workpiece of plating zinc on surface is carried out into surface polished finish.
3. a kind of blue and white porcelain coating process according to claim 2, it is characterised in that in the workpiece by plating zinc on surface
Also include after carrying out surface polished finish：
The workpiece degreasing after the polished finish of surface will be carried out；
Workpiece after degreasing is cleaned using clear water.
4. a kind of blue and white porcelain coating process according to claim 1-3 any one, it is characterised in that described to after zinc-plated
Surface of the work do phosphorating treatment and be specially：
The surface of workpiece is adjusted using table adjustment；
Phosphorating treatment is done to carrying out the workpiece after the adjustment of surface.
5. a kind of blue and white porcelain coating process according to claim 1-3 any one, it is characterised in that described to zinc-plated
Surface of the work afterwards does phosphorating treatment, and the surface of the work application after phosphorating treatment and solidify organic zinc epoxy powder it
Between also include：
Workpiece after phosphorating treatment is washed away in cold water the phosphatization slag for being attached to surface of the work；
Clean during hot water of the workpiece after phosphatization slag more than 60 DEG C will be washed away.
6. a kind of blue and white porcelain coating process according to claim 1-3 any one, it is characterised in that it is described in application simultaneously
Solidify the surface of the work application after organic zinc epoxy powder and solidify blue and white porcelain powder and be specially：
In application and solidify the surface of the work application blue and white porcelain powder after organic zinc epoxy powder；
The blue and white porcelain powder of surface of the work institute application is solidified using curing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477083.9A CN103540990B (en) | 2013-10-12 | 2013-10-12 | A kind of blue and white porcelain coating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477083.9A CN103540990B (en) | 2013-10-12 | 2013-10-12 | A kind of blue and white porcelain coating process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103540990A CN103540990A (en) | 2014-01-29 |
| CN103540990B true CN103540990B (en) | 2017-03-29 |
Family
ID=49964819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310477083.9A Expired - Fee Related CN103540990B (en) | 2013-10-12 | 2013-10-12 | A kind of blue and white porcelain coating process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103540990B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105624766A (en) * | 2015-12-21 | 2016-06-01 | 中磁科技股份有限公司 | Electrophoretic coating technology of neodymium iron boron products |
| CN107262348A (en) * | 2017-06-17 | 2017-10-20 | 山西银河镀锌有限公司 | A kind of method for composite coating of galvanizing flange |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278288A (en) * | 1997-11-05 | 2000-12-27 | 亨克尔两合股份公司 | Conductive organic coatings |
| CN1718931A (en) * | 2005-07-23 | 2006-01-11 | 徐州正菱涂装有限公司 | Reforming method of old express way guard plate |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0544057A (en) * | 1991-08-08 | 1993-02-23 | Kobe Steel Ltd | Surface treated al or al-alloy material excellent in press formability and corrosion resistance after coating |
| EP0916624B1 (en) * | 1997-11-11 | 2001-07-25 | Kawasaki Steel Corporation | Porcelain-enameled steel sheets and frits for enameling |
| CN1321747C (en) * | 2005-09-06 | 2007-06-20 | 贵州科盛彩色喷涂有限公司 | Outdoor metal surface double coating antiseptic chromatic spray painting method |
| CN101892766A (en) * | 2010-07-13 | 2010-11-24 | 张家港固耐特围栏系统有限公司 | Surface modified fence |
| CN102839898A (en) * | 2011-06-22 | 2012-12-26 | 杜联合 | Zinc-steel fixed louver and vertical hinged louver |
| CN102330852B (en) * | 2011-07-26 | 2016-06-15 | 广东联塑科技实业有限公司 | The production technique of a kind of external galvanized layer internal plastic coating tubing |
-
2013
- 2013-10-12 CN CN201310477083.9A patent/CN103540990B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278288A (en) * | 1997-11-05 | 2000-12-27 | 亨克尔两合股份公司 | Conductive organic coatings |
| CN1718931A (en) * | 2005-07-23 | 2006-01-11 | 徐州正菱涂装有限公司 | Reforming method of old express way guard plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103540990A (en) | 2014-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105817839B (en) | A kind of technological process of production of zinc steel guard rail | |
| King | Surface treatment & finishing of aluminium | |
| CN102601025B (en) | Powder spraying technique for aluminum die-cast alloy part | |
| CN104895479B (en) | A kind of method using galvanizing electrostatic plastic spraying tubular object extruding to produce electric extendable door | |
| CN105964510A (en) | Varnish-baking surface coating technology | |
| CN101343739A (en) | Acid washing passivation technology for stainless steel | |
| CN101698189A (en) | Zinc-galvanizing and paint-spraying coating process for submerged boat carrier | |
| CN108296148A (en) | A kind of handware process for surface coating | |
| CN102935423A (en) | Metal surface preservative treatment method | |
| CN103540990B (en) | A kind of blue and white porcelain coating process | |
| CN107791156A (en) | A kind of Shot Blasting method for steel plate derusting rust-proofing | |
| CN106031970A (en) | Manufacturing method of container | |
| CN103966600A (en) | Closed type automatic pretreatment flow line production process | |
| US10856693B2 (en) | Process for manufacturing frying pan | |
| CN101967667A (en) | Physical pretreatment and electrophoresis coating process of aluminum magnesium alloy | |
| CN109825183A (en) | A kind of super hardening process of die surface | |
| CN105420719A (en) | Metal plate surface blackening process | |
| CN105983521A (en) | Coating method for stainless steel welding parts | |
| CN100381214C (en) | Powder injection process for machining metal parts | |
| CN106694329A (en) | Metal powder spraying technological process | |
| CN110976256A (en) | Axle coating process method on electric automobile | |
| CN105127078A (en) | Technical method for carrying out electrostatic perfluorocarbon spraying on surface of aluminum material | |
| CN101378636B (en) | Technique processing method for plating nickel on the inner and spraying paint on the outer of metal case | |
| CN104669123A (en) | Surface treatment process for stainless steel filter | |
| CN105127070A (en) | Technology method for carrying out electrostatic spraying on surface of aluminum product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20181012 |