CN106747663B - A kind of manufacture craft of antiseepage dirt ceramic tile - Google Patents
A kind of manufacture craft of antiseepage dirt ceramic tile Download PDFInfo
- Publication number
- CN106747663B CN106747663B CN201611011509.1A CN201611011509A CN106747663B CN 106747663 B CN106747663 B CN 106747663B CN 201611011509 A CN201611011509 A CN 201611011509A CN 106747663 B CN106747663 B CN 106747663B
- Authority
- CN
- China
- Prior art keywords
- ceramic tile
- fixing axle
- scratch diskette
- manufacture craft
- antiseepage
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/87—Ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5035—Silica
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Finishing Walls (AREA)
- Floor Finish (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to ceramic tile processing technique fields, more particularly to the manufacturing procedures such as a kind of manufacture craft of antiseepage dirt ceramic tile, including pre- trimming, antifouling process, polishing, edging chamfering, sorting and packing, compared with prior art, reduce and strike off process, simplifies operating process.In antifouling process manufacturing procedure, using special antifouling process device, the spraying and floating of antifouling paint can be carried out simultaneously.Furthermore, the nonpolluting coating based on silica that this patent uses can be adhering closely to ceramic tile surface, prevent spot from penetrating into ceramic tile, intensity with higher again, compared with the anti-soil film that waxing is formed, it is able to use the longer time, it is no longer necessary to later maintenance is often carried out, so that the use of ceramic tile is easier.Therefore, this patent is able to solve that existing manufacture craft processing efficiency is lower, and the problem that the ceramic tile later maintenance produced is very troublesome.
Description
Technical field
The present invention relates to ceramic tile processing technique field more particularly to a kind of manufacture crafts of antiseepage dirt ceramic tile.
Background technique
Ceramic tile is to use refractory metal oxides and half-metal oxide, via the processes shape such as grinding, compacting, glazing, sintering
At the ceramic material for building or decorating.After ceramic tile is sintered, usually also needs to carry out preprocessing, strike off, polish, grinding
Side chamfering, sorting be packaged and etc..Further, since the ceramic tile being processed into has certain water absorption rate, for a long time using being easy to make
Ceramic tile surface is immersed at spot, is difficult to be handled, so usually can also wax in ceramic tile surface in the process of ceramic tile,
Antifouling process is carried out, the ceramic tile finished product of certain antifouling capacity could be formed with bright color and have.
But the anti-soil film formed by the way of waxing is easily broken, so be frequently necessary to carry out waxing processing,
To cause the maintenance in this kind of ceramic tile later period very troublesome.In addition, strike off and polish this two procedures all and be to ceramic tile surface into
Row polishing, keeps ceramic tile more smooth, therefore in the process of ceramic tile, while using this two procedures, can only reach a kind of
Processing effect, to reduce the processing efficiency of ceramic tile.
Summary of the invention
The invention is intended to provide a kind of manufacture craft of antiseepage dirt ceramic tile, for solve existing manufacture craft processing efficiency compared with
It is low, and the problem that the ceramic tile later maintenance produced is very troublesome.
To achieve the goals above, the present invention provides a kind of manufacture craft of antiseepage dirt ceramic tile, and ceramic tile is gone back after the completion of firing
Including following procedure of processing:
(1) pre- trimming, by ceramic tile cut growth 80-100cm, the rectangle of wide 80-100cm;
(2) nonpolluting coating based on silica is covered on ceramic tile front, and nonpolluting coating is smoothed out by antifouling process,
The coating of the nonpolluting coating includes 12-13% parts of resins, 38-43 parts of nano silicas and 28-34 parts of micron-sized quartz
The mixture of fine powder and industrial white carbon black;
(3) it polishes, the polishing agent that granularity is 1500-2000 mesh is applied to polishing wheel surface, and use polishing wheel with line
Speed is that the speed of 20-40m/s polishes ceramic tile surface;
(4) edging chamfering is polished using side of the edging device to ceramic tile, removes the burr on ceramic tile, and use
Beveler carries out 45 ° of chamfer machinings to the side of ceramic tile;
(5) it sorts and is packaged.
It the technical principle of the technical program and has the technical effect that
The ceramic tile manufacture craft that the technical program provides completes, it is also necessary to carry out pre- trimming, antifouling place in ceramic tile firing
The manufacturing procedures such as reason, polishing, edging chamfering, sorting and packing reduce compared with existing ceramic tile processing technology and strike off process,
The prior art is avoided in order to reach the case where a kind of effect takes twice difference manufacturing procedure, to simplify the processing of ceramic tile
Process improves the processing efficiency of ceramic tile to a certain extent.
Ceramic tile is struck off since the technical program reduces, so ceramic tile surface is remaining convex when can fire in the presence of part
It rises.In order to smooth out ceramic tile surface, the technical program is between pre- trimming and polishing, using special antifouling process mode,
Which can either form the higher nonpolluting coating of intensity in ceramic tile surface, additionally it is possible to it is filled between protrusion and protrusion, thus
It makes ceramic tile surface more smooth, and avoids because of tile thickness loss caused by striking off, reduce the waste of ceramic tile, protect
The intensity of ceramic tile is demonstrate,proved.
When carrying out antifouling process, using the nonpolluting coating based on silica, which contains resin, nano-silica
SiClx, micron-sized quartzy fine powder and industrial white carbon black.Since nano silica has stronger hydration activity, Neng Goushui
Change forms gelatinous mass, to provide the binding force of nonpolluting coating and ceramic tile surface, and has stronger plasticity and mix,
It can be sufficient filling with the place of ceramic tile surface out-of-flatness, play levelling effect.In addition, the industrial hard charcoal contained in nonpolluting coating
It is black to adjust the hydration reaction of nano silica with quartzy fine powder collective effect for precipitation method micron silica
Film forming speed;Resin has water resistance and adhesion strength, is capable of providing the embedding that nano silica is combined closely with ceramic tile surface
Lathe.Therefore, the technical program use based on the nonpolluting coating of silica after aquation, colloidal sol, gel and dry glue, energy
It is enough adhering closely to ceramic tile surface, prevents spot from penetrating into ceramic tile.Again because of silica hardness with higher, shape
At nonpolluting coating also intensity with higher, common trample can be born for a long time, it is not easy to be destroyed, be formed with waxing
Anti-soil film compare, be able to use the longer time, it is no longer necessary to often carry out later maintenance so that ceramic tile use it is simpler
Just.
After completing antifouling process, the technical program uses polishing wheel to carry out with the linear velocity of 20m/s or more to nonpolluting coating
Polishing, so that ceramic tile has more smooth bright color.Edging chamfering is carried out to ceramic tile later, the side of ceramic tile is allowed to be formed
45 ° of chamfering, consequently facilitating ceramic tile is used for metope corner.
It is the preferred embodiment of above scheme below:
Preferred embodiment one: being based on base case, before the step (2), applies waterproofing agent in ceramic tile surface and is prevented
Infiltration processing.Applying waterproofing agent can be avoided the hydration of high calcium alkaline matter interference nano silica of ceramic tile surface.
Preferred embodiment two: being based on preferred embodiment one, between the step (2) and (3), is soaked using fluorine silicon organic compound
Stain handles ceramic tile surface, and the processing time is 10-20min.Carry out antifouling process formation nonpolluting coating, although can by spot with
Ceramic tile is kept apart, but spot can still stay in coating surface.And fluorine silicon organic compound has the characteristic of hydrophobic oleophobic, energy
It enough avoids sewage or grease stain from staying in coating surface, ceramic tile is allowed to seem more clean.
Preferred embodiment three: being based on preferred embodiment two, and the step (2) is carried out using antifouling process device.The antifouling process
Device can carry out the charging of nonpolluting coating simultaneously and smooth out work, to improve the processing efficiency of ceramic tile.
Preferred embodiment four: being based on preferred embodiment three, and the antifouling process device includes rack, hollow fixing axle and has
The scratch diskette of cavity, fixing axle is cylindrical, and the upper end of fixing axle is fixedly connected with rack, and the lower end of fixing axle is equipped with opening,
And be rotatablely connected with the upper end of scratch diskette, the side wall of fixing axle is equipped with feed inlet, is equipped with and scratch diskette upper surface in fixing axle
The impeller being fixedly connected, the upper surface of scratch diskette is equipped with several through-holes being connected to cavity, and is additionally provided on scratch diskette
Several material-spraying devices being connect with cavity.
In the present solution, the antifouling paint of high speed is entered by the feed inlet of fixing axle, and the blade of vertical impact impeller,
Rotate synchronously impeller with scratch diskette, to provide the power of device operating.Into after fixing axle, antifouling paint passes through work
The through-hole of panel surface, which enters in cavity, to be stored, and the material-spraying device by connecting with cavity is sprayed onto ceramic tile table to be processed
Face.At this point, ceaselessly being rotated by scratch diskette, the lower surface of scratch diskette smoothes out the antifouling paint of ceramic tile surface, to allow anti-
The charging of dirty coating is synchronous with floating to be carried out, and the processing efficiency of ceramic tile is improved.
Preferred embodiment five: be based on preferred embodiment four, the scratch diskette be metal dish so that scratch diskette rotate when and fixing axle
The heat that friction generates can transmit on scratch diskette, and be transmitted on nonpolluting coating, to accelerate the dry of silica dioxide gel
Glue speed improves the processing speed of ceramic tile.
Detailed description of the invention
Fig. 1 is the antifouling process apparatus structure schematic diagram in the embodiment of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description include: fixing axle 1, scratch diskette 2, cavity 3, feed inlet 4, impeller 5, through-hole 6,
Material-spraying device 7, ceramic tile 8.
The present embodiment is a kind of manufacture craft of antiseepage dirt ceramic tile 8, after the completion of the firing of ceramic tile 8, it is also necessary to carry out
Procedure of processing:
(1) pre- trimming, by 8 cut growth 100cm of ceramic tile, the square of wide 100cm.
(2) impermeable processing is applied to 8 surface of ceramic tile, avoids ceramic tile 8 using methane-siliconic acid potassium solution as waterproofing agent
The hydration of the high calc-alkaline substance interference nano silica such as the calcium carbonate on surface.
(3) nonpolluting coating based on silica is covered on 8 front of ceramic tile using antifouling process device by antifouling process,
And nonpolluting coating is smoothed out;The nonpolluting coating raw material based on silica contains 12 parts of resin, 40 parts of nanometer titanium dioxide
The mixture of silicon and 30 parts of micron order quartz fine powder and industrial white carbon black.
(4) impregnation, using 8 surface of fluorine silicon resin impregnation ceramic tile, the processing time is 15min
(5) it polishes, the polishing agent that granularity is 1800 mesh is applied to polishing wheel surface, and use polishing wheel with 25m/s's
Linear velocity polishes 8 surface of ceramic tile.
(6) edging chamfering is polished using side of the edging device to ceramic tile 8, removes the burr on ceramic tile 8, and adopt
45 ° of chamfer machinings are carried out with side of the beveler to ceramic tile 8.
(7) it sorts and is packaged, ceramic tile 8 is classified according to different size and decorative pattern, and is packaged.
Ceramic tile manufacture craft provided in this embodiment and the prior art process the when that same amount of ceramic tile spent respectively
Between as shown in table 1.As it can be seen from table 1 the present embodiment processes same amount of ceramic tile the time it takes and prior art phase
Than reducing 14% or so.
The antifouling process device used in the present embodiment is as shown in Figure 1, include hollow fixing axle 1, fixing axle 1 is in cylinder
The upper end of shape, lower ending opening, fixing axle 1 is fixedly connected with rack.Impeller 5, and the side of fixing axle 1 are equipped in fixing axle 1
Wall is equipped with feed inlet 4 corresponding with impeller 5, and high pressure antifouling paint enters in fixing axle 1 from feed inlet 4, and vertical impact leaf
The blade of wheel 5, makes impeller 5 not stop to rotate.1 lower end of fixing axle is equipped with the scratch diskette 2 being made of metal material, and scratch diskette 2 is
Trapezoidal rotary table.2 upper surface center of scratch diskette is equipped with round sliding slot, and scratch diskette 2 is rotated by the lower end of sliding slot and fixing axle 1 to be connected
It connects.The upper surface of scratch diskette 2 is additionally provided with several through-holes 6, is connected to the cavity 3 inside scratch diskette 2.On the side wall of scratch diskette 2
Two material-spraying devices 7 are additionally provided with, two material-spraying devices 7 are symmetrical arranged, and the feeding inlet of material-spraying device 7 is located in cavity 3.
In use, the blade of high speed antifouling paint impact impeller 5, allows impeller 5 not stall with scratch diskette 2 dynamic.Fixing axle 1
In antifouling paint entered in cavity 3 by the through-hole 6 on 2 surface of scratch diskette and stored, and be sprayed by material-spraying device 7
8 surface of ceramic tile to be processed.Meanwhile scratch diskette 2 constantly rotates, and is smoothed out the antifouling paint on 8 surface of ceramic tile using lower surface.
Since scratch diskette 2 is made of metal, the heat that scratch diskette 2 can be allowed to generate with the friction of fixing axle 1 transmits on scratch diskette 2,
To heat to antifouling paint, the dry glue speed of antifouling paint is improved.
1 ceramic tile process time of table
Ceramic tile quantity (block) | 100 | 200 | 300 |
Prior art process time (min) | 90 | 180 | 360 |
The present embodiment skilled worker's time (min) | 77 | 154 | 231 |
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these also should be considered as protection scope of the present invention, these all will not influence of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific embodiment can be used for explaining the content of claim.
Claims (4)
1. a kind of manufacture craft of antiseepage dirt ceramic tile, which is characterized in that it further includes following procedure of processing that ceramic tile, which is fired after the completion:
(1) pre- trimming, by ceramic tile cut growth 80-100cm, the rectangle of wide 80-100cm;
(2) nonpolluting coating based on silica is covered on ceramic tile front, and nonpolluting coating is smoothed out by antifouling process, described
The coating of nonpolluting coating includes that 12-13 parts of resins, 38-43 parts of nano silicas and 28-34 parts of micron-sized quartz are fine
The mixture of powder and industrial white carbon black;
(3) it polishes, the polishing agent that granularity is 1500-2000 mesh is applied to polishing wheel surface, and use polishing wheel with linear velocity
Ceramic tile surface is polished for the speed of 20-40m/s;
(4) edging chamfering is polished using side of the edging device to ceramic tile, removes the burr on ceramic tile, and use chamfering
Machine carries out 45 ° of chamfer machinings to the side of ceramic tile;
(5) it sorts and is packaged;
The step (2) is carried out using antifouling process device, and the antifouling process device includes rack, hollow fixing axle and tool
There is the scratch diskette of cavity, fixing axle is cylindrical, and the upper end of fixing axle is fixedly connected with rack, and the lower end of fixing axle, which is equipped with, opens
Mouthful, and be rotatablely connected with the upper end of scratch diskette, the side wall of fixing axle is equipped with feed inlet, is equipped with and table on scratch diskette in fixing axle
The impeller that face is fixedly connected, the upper surface of scratch diskette is equipped with several through-holes being connected to cavity, and also sets on scratch diskette
The material-spraying device for thering are several to connect with cavity.
2. a kind of manufacture craft of antiseepage dirt ceramic tile according to claim 1, it is characterised in that: the step (2) it
Before, apply waterproofing agent in ceramic tile surface and carries out impermeable processing.
3. a kind of manufacture craft of antiseepage dirt ceramic tile according to claim 2, it is characterised in that: in the step (2) and
(3) between, using fluorine silicon organic compound impregnation ceramic tile surface, the processing time is 10-20min.
4. a kind of manufacture craft of antiseepage dirt ceramic tile according to claim 3, it is characterised in that: the scratch diskette is metal
Disk.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611011509.1A CN106747663B (en) | 2016-11-17 | 2016-11-17 | A kind of manufacture craft of antiseepage dirt ceramic tile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611011509.1A CN106747663B (en) | 2016-11-17 | 2016-11-17 | A kind of manufacture craft of antiseepage dirt ceramic tile |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106747663A CN106747663A (en) | 2017-05-31 |
CN106747663B true CN106747663B (en) | 2019-10-11 |
Family
ID=58968956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611011509.1A Expired - Fee Related CN106747663B (en) | 2016-11-17 | 2016-11-17 | A kind of manufacture craft of antiseepage dirt ceramic tile |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106747663B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108559395B (en) * | 2018-05-10 | 2021-08-24 | 佛山市三水普朗克新型材料有限公司 | Antifouling agent for cleaning and refreshing ceramic tiles and surface treatment method |
CN109516836B (en) * | 2018-11-27 | 2022-04-08 | 广西欧神诺陶瓷有限公司 | Preparation method of anti-slip ceramic tile |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104513065B (en) * | 2013-09-29 | 2017-01-25 | 佛山市克里普斯科技有限公司 | Antifouling liquid and artificial stone processing method adopting the antifouling liquid |
CN103588512A (en) * | 2013-11-19 | 2014-02-19 | 金陵科技学院 | Preparation method of ultraclean antifouling ceramic tiles |
CN104070458A (en) * | 2014-06-13 | 2014-10-01 | 周元忠 | Sand blasting machine |
-
2016
- 2016-11-17 CN CN201611011509.1A patent/CN106747663B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN106747663A (en) | 2017-05-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106747663B (en) | A kind of manufacture craft of antiseepage dirt ceramic tile | |
CN101327576A (en) | Method for producing ultra-coating dry abrasive paper | |
JP4801116B2 (en) | Anti eye or treatment | |
US20170136604A1 (en) | Ultrafine abrasive biopolymer soft polishing film and manufacturing method thereof | |
CN103537420B (en) | Coating agent brushing and spraying process for wooden door | |
CN101832015A (en) | Construction process for outer wall metal fluorocarbon coating | |
CN112358181B (en) | Air purification ceramic tile containing air holes and preparation process thereof | |
CN101613570B (en) | Colored gorgeous texture floor coating and construction method thereof | |
JP6909793B2 (en) | Flexible Abrasive Rotation Tool | |
CN101586002A (en) | Colorful terrace lacquer with beautiful color and tactile impression and construction technique thereof | |
CN106475288A (en) | The manufacture method of building materials | |
CN106966597B (en) | Whitening glaze for low-temperature sintered humidity-adjusting ceramic tile and preparation method thereof | |
WO2003049900A1 (en) | Dry method of concrete floor restoration | |
CA1256757A (en) | Method of cleaning and conditioning surfaces | |
CN1884208A (en) | Method for forming antisoil coating on substrate surface and products therefrom | |
JP7262439B2 (en) | Floor pad with variable abrasive distribution | |
CN109351746A (en) | A kind of wood furniture technique for grinding surface | |
CN103087676B (en) | Sintering method of abrasion resisting abrasive particles | |
CN101513727A (en) | Polishing process and preparation method for mirror aluminum alloy checkered plate | |
CN204525211U (en) | A kind of anticlogging stereochemical structure type grinding tool | |
CN204163348U (en) | A kind of paint wall rotary broom with receiver | |
CN110644703B (en) | A1-grade fireproof water-based inorganic embossed plate and preparation method thereof | |
CN103313853B (en) | Laminate | |
CN104493732A (en) | Ceramic bond | |
CN107899922A (en) | A kind of cookware surface treatment method |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 Termination date: 20201117 |
|
CF01 | Termination of patent right due to non-payment of annual fee |