CN205925544U - Dispersion devices is cuted to coating - Google Patents
Dispersion devices is cuted to coating Download PDFInfo
- Publication number
- CN205925544U CN205925544U CN201620891851.4U CN201620891851U CN205925544U CN 205925544 U CN205925544 U CN 205925544U CN 201620891851 U CN201620891851 U CN 201620891851U CN 205925544 U CN205925544 U CN 205925544U
- Authority
- CN
- China
- Prior art keywords
- coating
- dispersion
- shearing
- motor
- cutter
- 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
- 239000006185 dispersion Substances 0.000 title claims abstract description 73
- 239000011248 coating agent Substances 0.000 title claims abstract description 50
- 238000000576 coating method Methods 0.000 title claims abstract description 50
- 238000003756 stirring Methods 0.000 claims abstract description 24
- 238000010008 shearing Methods 0.000 claims description 54
- 238000000034 method Methods 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 20
- 239000007788 liquid Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 11
- 239000002904 solvent Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 239000003973 paint Substances 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model relates to a dispersion devices is cuted to coating belongs to coating preparation equipment technical field. It is main including the base, base and pole setting fixed connection have the container on the base, the pole setting is connected with the horizontal pole, horizontal pole and motor support fixed connection, be equipped with first motor and second motor in the motor support respectively, first motor drives stirring dispersion cutter and rotates, and the drive of second motor is sheared the dispersion cutter and is rotated, first motor and second motor all are located the top of container. This device can improve and cut dispersion efficiency through the brand -new structure of design to the coating temperature risees in delaying to cut dispersion process.
Description
Technical field
This utility model is related to coating preparation equipment technical field, specifically, is to be related to a kind of coating shearing dispersion dress
Put.
Background technology
Dispersal device sheared by coating is with the rotor and accurate stator working chamber of high-speed rotation, relies on high linear speed
Degree, produces powerful shearing force, carries out centrifugation extruding, high-speed cutting and collision to the pasty material of different viscosity, makes material
Fully dispersed, emulsifying, the high-efficiency appliance of homogenizing, pulverizing and mixing.
Shearing dispersal device relies on the dispersing head of stator case-rotor set synthesis to provide the dynamic of stirring mixing to effect material
Power, simultaneously in the presence of its high-speed revolution shearing power, storeroom carries out sharp impacts and reconfigures and reach and homogenize, therefore
Shearing dispersal device is widely used in the technical fields such as chemical pharmaceutical, coating preparation.
However, for obtaining higher rate of dispersion, the rotor diameter size that dispersal device sheared by coating is generally less, this
Allow for its dispersed objects generally from less local material gradually to outside diffusion, when dispersed material is more, need longer
Jitter time, reduce shearing dispersion efficiency.The continuation that longer shear time is generally not favored particle size reduces, on the contrary
Assume agglomeration.Again because rotor diameter size is generally less, easily exist away from central region in container and stir
Mix dead angle.
For solvent based coating, the shearing dispersive process of high speed can make coating material temperature raise, aggravation solvent
Volatilization, causes paint ingredient that uncontrollable change occurs.
Additionally, when disperseing cutter using shearing, coating liquid level generally will not have the dispersion hole of stator, and cutter is disperseed to clean
When be easily detected by dispersion hole and judge the addition of cleaning solvent so that rotor not easy cleaning, easily give follow-up using bringing dirt
Dye.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, providing a kind of coating shearing dispersal device.
This device passes through to design brand-new structure, can improve shearing dispersion efficiency, and can delay to shear coating material temperature in dispersive process
Raise.
In order to reach above-mentioned purpose, this utility model adopts the following technical scheme that：
Dispersal device sheared by a kind of coating, including：
Base；
Described base is fixedly connected with vertical rod, and base has container, and container is located at the side of vertical rod；
Described vertical rod is connected with cross bar, and cross bar is fixedly connected with electric machine support；
It is respectively equipped with the first motor and the second motor, the first motor drives dispersed with stirring cutter to turn in described electric machine support
Dynamic, the second motor drives shearing dispersion cutter to rotate；
First motor and the second motor are respectively positioned on the top of described container.
Meanwhile, described electric machine support also have controlling switch and display screen, controlling switch and display screen Collaborative Control two
The rotating speed of motor and time, peptizaiton is combined to material by dispersed with stirring cutter and shearing dispersion cutter, can strengthen
Dispersion effect, improves dispersion efficiency.
Particularly with the coating that viscosity is larger, it is capable of preferable dispersion effect, and larger in dispersion paints quantity
In the case of, it can be avoided that the presence at dispersion dead angle, it is suitable to large-scale production and uses.
Preferably, described container includes outer wall and inwall, has voided layer between outer wall and inwall.
Alcohol-based liquid can be added in voided layer.The heat producing in coating dispersive process is delivered to alcohols liquid by inwall
In body, alcohol-based liquid boiling point is relatively low, alcohol-based liquid will be made when temperature is too high to gasify, make therefore, it is possible to take away heat
Dispersion paints self-temperature will not be too high, thus decreasing the quick volatilization of solvent it is ensured that the composition of coating.
Above-mentioned structure, this device, in the case of long-time use, still has good low temperature properties and reliability, keeps away
Exempt from the coating subsequently stirring because of high temperature generation property change.
Preferably, described container has top cover, top cover has and passes through with shearing dispersion cutter for dispersed with stirring cutter
Through hole, dispersed with stirring cutter with shearing dispersion cutter working end be located at described container in.
Specifically, described through hole should be two, including first through hole and the second through hole.It is being provided with two through holes
Afterwards so that it may so that dispersed with stirring stage property and shearing dispersion stage property easily insert inside described container.
It should more bigger than the diameter each corresponding to stage property, preferably gap coordinates in the aperture of two through holes.Using this
The structure of sample, you can with ensure stage property smoothly come in and go out it is also possible to as far as possible prevent from external substance from entering in the middle of coating making coating exist
Contaminated in whipping process.
Preferably, described shearing dispersion cutter includes stator case and rotor, and described rotor is located inside stator case, rotor quilt
Second Motor drive.
Preferably, described stator case bottom is provided with dispersion hole, is provided with some clean-out openings, under stator case above described dispersion hole
End is provided with dispersing head.
Rely on the high-speed rotation of rotor, make stator case have powerful suction force.To spray through the combination of rotor-stator shell
The coating emulsion that high speed shear is crossed.
When cleaning shearing dispersion cutter, cleaning solvent should not have the position in over cleaning hole, whole to ensure shearing dispersion stage property
Body was all touched.The capacity being actually added into, is should be more more higher than the top surface of shearing dispersion stage property.Because liquid is in rotary state
Under, typically can present vorticity.The liquid top surface of vorticity is in funnel-form, and that is, middle low outside is high.If the painting adding
Material height did not only have stage property top surface little by little, then stage property can be made cannot to be completely submerged under work condition state.
It should allow dispersing head operating certain time in cleaning process, cleaning solvent is made to enter the sky between stator case-rotor
Chamber, then sprays from clean-out opening, can easily wash the coating of stator case and adhesion on rotor, it is achieved thereby that dispersion hole
The simple cleaning of top stator case-rotor combination.
Preferably, described top cover includes left side top cover and right side top cover, and left side top cover and right side top cover are collectively forming circle
It is respectively provided with cooling chamber inside cap structure, left side top cover and right side top cover.
As preferably selecting, described container cover and container contact site exist raised, more to make cooling chamber can contain
Cooling water, when alcohol-based liquid gasifies, contact and can be condensed into liquid with the cover plate filling cooling water and drop onto again in coating
And then form circulation.
Preferably, described vertical rod has location hole, through described location hole and the clamping that is locked is fixed in vertical rod to cross bar
On, the height that can make two cutters in container by adjusting the upper-lower position of cross bar realizes adjustment.As preferably selecting, fixed
Position hole may be selected to be strip hole, and aperture is slightly larger than cross bar diameter.Also will not while this makes it possible to ensure that motor moves up and down
There is larger spacious amount, prevent from motor operation course, producing unnecessary resonance.
Preferably, described dispersed with stirring tool length is longer than shearing dispersion cutter.
This structure can make quickly to mix with the coating after shearing dispersion away from the coating of shearing dispersion cutter, is beneficial to
Do not shear scattered paint medium to be stirred, to improve dispersion efficiency, no disperse the presence at dead angle.
Meanwhile, described dispersed with stirring cutter is fixedly connected with motor output shaft by locking nut with shearing dispersion cutter,
To facilitate dismounting and change.
Preferably, described dispersing head includes long tooth and the short tooth being fixedly connected with described stator case, and long tooth is spaced with short tooth
Arrangement, to realize the shearing different degrees of to coating.
Preferably, described clean-out opening is uniformly distributed on stator outer wall.Can be comprehensive to 360 ° of stator case-rotor combination
Cleaning, reaches more preferable cleaning performance.
The beneficial effects of the utility model are：
(1) this device passes through dispersed with stirring cutter and disperses cutter to combine peptizaiton to material with shearing, can strengthen
Dispersion effect, improves dispersion efficiency.Particularly with the coating that viscosity is larger, it is capable of preferable dispersion effect.And dividing
In the case that scattered coating quantity is larger, eliminate dispersion dead angle, be suitable to large-scale production and use.
(2) this device passes through the container of low-boiling point alcohol class I liquid I outer layer and being used in combination of the container cover of cooling water sandwich,
Reduce the intensification in coating dispersive process, the volatilization reducing solvent is it is ensured that the composition of dispersion paints.
(3) this device passes through the setting of clean-out opening on stator, can clearly judge to need the amount of cleaning solvent, and cleaning is molten
Agent there is not the position in over cleaning hole, is conveniently carried out it is achieved that stator case-rotor position above dispersion hole in operating certain time
Easy clean.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of shearing dispersion cutter stator case-rotor combination；
Fig. 3 is the structural representation of the single cover plate of container cover.
In figure, 1. base, 2. vertical rod, 3. cross bar, 4. electric machine support, 5. the first motor, 6. the second motor, 7. control display
Panel, 8. controlling switch, 9. display screen, 10. dispersed with stirring cutter, 11. shearing dispersion cutters；
12. containers, 12-1. outer wall, 12-2. inwall, 12-3. alcohol-based liquid；
13. container cover, 13-1. semi-cylindrical breach I, 13-2. semi-cylindrical breach II；
14. cooling waters, 15. stator case, 16. rotors, 17. dispersing heads, 18. dispersion hole, 19. clean-out openings, 20. locking folders,
21. locking nuts, 22. is raised.
Specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in detail.
Embodiment：Dispersal device sheared by a kind of coating, and agent structure is as shown in Figure 1：Including base 1, base 1 is provided with vertical
Bar 2, vertical rod 2 top is provided with cross bar 3, and cross bar 3 is connected with electric machine support 4, includes the first motor 5 and the in electric machine support 4
Two motors 6.The output shaft of the first motor 5 is connected with dispersed with stirring cutter 10.The output shaft of the second motor 6 and shearing dispersion cutter
11 are connected.
Electric machine support 4 is installed above control display floater 7；Display floater 7 is controlled to include controlling switch 8 and display screen 9.
The stirring-head of dispersed with stirring cutter 10 is placed in container 12 with the dispersing head of shearing dispersion cutter 11, and container 12 is placed
On base 1.Peptizaiton is combined to material by dispersed with stirring cutter 10 and shearing dispersion cutter 11, dispersion can be strengthened
Effect, improves dispersion efficiency.Particularly with the coating that viscosity is larger, it is capable of preferable dispersion effect.And apply in dispersion
In the case that material quantity is larger, it can be avoided that the presence at dispersion dead angle, it is suitable to large-scale production and uses.
Container 12 includes outer wall 12-1, inwall 12-2 and alcohol-based liquid 12-3.Alcohol-based liquid 12-3 is filled in container outer wall
In cavity between 12-1 and inwall 12-2.Container 12 is provided with above can make dispersed with stirring cutter 10 and shearing dispersion cutter 11
The container cover 13 passing through.
As shown in figure 3, container cover 13 is made up of two pieces of identical cover plates, cover plate opens up respectively makes dispersed with stirring cutter 10
Semi-cylindrical breach I 13-1 and breach semi-cylindrical II 13-2 passing through with shearing dispersion cutter 11.Cover plate is hollow-core construction, cold
But water 14 is filled in the cavity of cover plate.
The heat producing in coating dispersive process is delivered in alcohol-based liquid 12-3 by inwall, alcohol-based liquid 12-3 boiling point
Relatively low, alcohol-based liquid 12-3 will be made when temperature is too high to gasify, make dispersion paints therefore, it is possible to take away heat originally
Body temperature will not be too high, thus decreasing the quick volatilization of solvent it is ensured that the composition of coating.
As shown in Fig. 2 shearing dispersion cutter 11 includes stator case 15 and rotor 16, rotor 16 is located inside stator case 15,
There is under high-speed rotation powerful suction force.
Stator case 15 lower end is provided with pectination dispersing head 17, and stator case 15 lower sides are provided with dispersion hole 18, to spray process
The coating emulsion that rotor-stator shell combining of high speed was sheared.
The outer wall of dispersion hole 18 top stator case 15 is provided with some clean-out openings 19.When cleaning shearing dispersion cutter, clearly
Wash the position that solvent should not have over cleaning hole 19, allow dispersing head 17 operating certain time, so that cleaning solvent is entered stator case 15 and turn
Cavity between son 16, then sprays from clean-out opening 19, can easily wash the painting of stator case 15 and adhesion on rotor 16
Material, it is achieved thereby that the simple cleaning of dispersion hole 18 top stator case 15 and rotor 16 combination.
The cross bar 3 that electric machine support 4 connects and vertical rod 2 are passed through locking folder 20 and are fixed, and can conveniently adjust electric machine support
Height so that adjust dispersion cutter stretch into the position in coating.
Dispersed with stirring cutter 10 length will be longer than shearing dispersion cutter 11, so that the coating away from shearing dispersion cutter and warp
Cross the coating after shearing dispersion quickly to mix, stirred beneficial to not shearing scattered paint medium, to improve dispersion efficiency, no
The presence at dispersion dead angle.
Dispersed with stirring cutter 10 is fixedly connected with motor output shaft by locking nut 21 with shearing dispersion cutter 11, with side
Just dismounting and change.
Container cover 13 has raised 22 with container 12 contact site, to contain more cooling waters, as alcohol-based liquid 12-3
During gasification, contact with the cover plate filling cooling water 14 and liquid and then recycling can be condensed into.
The long tooth of pectination dispersing head 17 is spaced with short tooth, to realize the shearing different degrees of to coating.
During use, material is placed in container 2, then pass through control display floater 7 adjust two motors the speed of service and
Time.
After the completion of use, add cleaning machine, and rely on clean-out opening 19 as metering instruction.Clean-out opening 19 is outside stator case 15
It is uniformly distributed on wall, more preferable cleaning performance can be reached to stator case and 360 ° of comprehensive cleanings of rotor combination.
Upper explanation to the disclosed embodiments, makes professional and technical personnel in the field be capable of or new using this practicality
Type.Multiple modifications to embodiment will be apparent from for those skilled in the art, as defined herein
General Principle can be realized, not give in the case of without departing from spirit or scope of the present utility model in other embodiments
Describe the part presenting with partial enlargement in detail, be prior art, here is not repeated.Therefore, this utility model will not
It is intended to be limited to the embodiments shown herein, and be to fit to consistent with principles disclosed herein and feature the widest
Scope.
Claims (10)
1. a kind of coating shearing dispersal device is it is characterised in that include：
Base, described base is fixedly connected with vertical rod, and base has container；
Described vertical rod is connected with cross bar, and cross bar is fixedly connected with electric machine support；
It is respectively equipped with the first motor and the second motor, the first motor drives dispersed with stirring cutter to rotate in described electric machine support, the
Two motors drive shearing dispersion cutter to rotate；
First motor and the second motor are respectively positioned on the top of described container.
2. coating according to claim 1 shears dispersal device it is characterised in that described container includes outer wall and inwall,
There is between outer wall and inwall voided layer.
3. coating shearing dispersal device according to claim 1 is it is characterised in that described container has top cover, on top cover
There is the through hole passing through with shearing dispersion cutter for dispersed with stirring cutter, dispersed with stirring cutter disperses the work of cutter with shearing
End is located in described container.
4. coating shearing dispersal device according to claim 1 is it is characterised in that described shearing dispersion cutter includes stator
Shell and rotor, described rotor is located inside stator case, and rotor is by the second Motor drive.
5. coating shearing dispersal device according to claim 4 is it is characterised in that described stator case bottom is provided with dispersion
Hole, is provided with some clean-out openings above described dispersion hole, stator case lower end is provided with dispersing head.
6. coating shearing dispersal device according to claim 3 is it is characterised in that described top cover includes left side top cover and the right side
Side top cover, left side top cover and right side top cover are collectively forming circular top cover structure, are respectively provided with cold inside left side top cover and right side top cover
But chamber.
7. coating shearing dispersal device according to claim 1 is it is characterised in that having location hole in described vertical rod, horizontal
Through described location hole and the clamping that is locked is fixed in vertical rod bar.
8. coating shearing dispersal device according to claim 1 is it is characterised in that described dispersed with stirring tool length is longer than
Shearing dispersion cutter.
9. coating shearing dispersal device according to claim 5 is it is characterised in that described dispersing head includes and described stator
Long tooth and short tooth that shell is fixedly connected, long tooth is spaced with short tooth.
10. coating shearing dispersal device according to claim 5 is it is characterised in that described clean-out opening is on stator outer wall
It is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891851.4U CN205925544U (en) | 2016-08-16 | 2016-08-16 | Dispersion devices is cuted to coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891851.4U CN205925544U (en) | 2016-08-16 | 2016-08-16 | Dispersion devices is cuted to coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205925544U true CN205925544U (en) | 2017-02-08 |
Family
ID=57918964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620891851.4U Active CN205925544U (en) | 2016-08-16 | 2016-08-16 | Dispersion devices is cuted to coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205925544U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865975A (en) * | 2017-04-13 | 2017-06-20 | 肖菁 | A kind of basalt fibre particle and its preparation method and application |
| CN108671835A (en) * | 2018-05-29 | 2018-10-19 | 江苏海特尔机械有限公司 | A kind of size mixing device |
| CN109173817A (en) * | 2018-10-16 | 2019-01-11 | 杭州电子科技大学 | The anti-precipitating liquid container of multiple activation |
-
2016
- 2016-08-16 CN CN201620891851.4U patent/CN205925544U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865975A (en) * | 2017-04-13 | 2017-06-20 | 肖菁 | A kind of basalt fibre particle and its preparation method and application |
| CN106865975B (en) * | 2017-04-13 | 2018-08-14 | 肖菁 | A kind of basalt fibre particle and its preparation method and application |
| CN108671835A (en) * | 2018-05-29 | 2018-10-19 | 江苏海特尔机械有限公司 | A kind of size mixing device |
| CN109173817A (en) * | 2018-10-16 | 2019-01-11 | 杭州电子科技大学 | The anti-precipitating liquid container of multiple activation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205925544U (en) | Dispersion devices is cuted to coating | |
| CN111672382A (en) | Even agitating unit of coating with dual mixing mechanism | |
| CN204735150U (en) | Chemical material agitator | |
| CN215233373U (en) | Integrated high-speed stirring vacuum emulsifying machine device | |
| CN209271270U (en) | A kind of cosmetics emulsion mixing device | |
| CN208452101U (en) | A kind of agitating device for polyurethane foaming machine | |
| CN204685019U (en) | A kind of multi-rod coating fast dispersion testing machine | |
| CN204485728U (en) | A kind of device for dispersing paint | |
| CN204234002U (en) | Be provided with the shaft of shear constitution | |
| CN217248534U (en) | A paint dispersion devices for bridge engineering | |
| CN206980530U (en) | A kind of Printing ink producing dispersion mixing device | |
| CN206623246U (en) | A kind of simple plastics granulate excipients mixing arrangement | |
| CN212383598U (en) | Even agitating unit of coating with dual mixing mechanism | |
| CN205948765U (en) | A high speed dispersion system for containing colorful environmental protection coating of sand | |
| CN105561839A (en) | Novel dual-shaft dispersing machine and working method thereof | |
| CN205252955U (en) | Dispersion devices of intelligent control | |
| CN204502878U (en) | A kind of high speed mixer | |
| CN207951178U (en) | Aqueous emulsion production cutter | |
| CN209094101U (en) | A kind of paint mixing device cleaning device | |
| CN206406274U (en) | A kind of kneader of longitudinal rotating shaft | |
| CN204768649U (en) | Chemical reaction kettle | |
| CN207413279U (en) | A kind of vertical spiral ribbon mixer of novel laboratory | |
| CN209952759U (en) | Homogeneity vacuum emulsification machine in PLC control | |
| CN205570188U (en) | High -efficient dispenser of biax with intelligent control structure | |
| CN205412810U (en) | Fertilizer premixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |