CN207856402U - Produce the filter device of the material of coating - Google Patents
Produce the filter device of the material of coating Download PDFInfo
- Publication number
- CN207856402U CN207856402U CN201721776064.6U CN201721776064U CN207856402U CN 207856402 U CN207856402 U CN 207856402U CN 201721776064 U CN201721776064 U CN 201721776064U CN 207856402 U CN207856402 U CN 207856402U
- Authority
- CN
- China
- Prior art keywords
- filter
- filter device
- tank body
- flange
- snap ring
- 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
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a kind of filter devices for the material producing coating, filter device is arranged in the inner cavity of the tank body of drying machine, tank inner chamber is divided into the first cavity and the second cavity by filter device, filter device includes filter cloth, support plate, pressing plate, locking device, filter cloth is clamped between support plate and pressing plate, through-hole is equipped in support plate and pressing plate, support plate is fastened as a whole with pressing plate by locking device.The utility model helps to ensure the service life of filter device.
Description
Technical field
The utility model is related to carry out processing technology field to the material for producing coating, and in particular to a kind of coating of producing
The filter device of material.
Background technology
Silicon carbide is removed for fields such as high grade refractory, abrasive material and metallurgical raw materials, also acts as the production of coating, such as
The patent of invention of Patent No. 201010286592.X discloses a kind of formula of silicon carbide spray coating, which returns cement
Rotary kiln sprays, and sprayed coating is not easily to fall off, and stability is good, and service life is long.Silicon carbide is before for being made coating, due to needing
To uniform dispersion, therefore, resting period longer silicon carbide is needed that processing is dried before the dispersing.It is dried logical
It crosses and is completed in drying machine.
Publication No.：The Chinese invention patent of CN102564082A discloses a kind of drying device, and structure is：With handle
Porous plate is rolled into cylindric cartridge filter, and both ends are closed with end plate, on the inside of cartridge filter as the rotating cylinder of hothouse, make the rotating cylinder
The transmission mechanism that is rotated centered on the central shaft of cartridge filter is forcibly fed into heating air to the hothouse in rotating cylinder, to drying
The heating wind pushing mechanism that the dried object supplied in room is dried.In rotating cylinder, plurality of rods are positioned off in cartridge filter
Side and parallel with rotary shaft, reserve slit-shaped falls gap, lines up cylindrical shape, this is set as bar cylinder, and the bar cylinder is rotating cylinder
In hothouse be divided into the hothouse on the inside of bar cylinder and the hothouse on the outside of bar cylinder.And one of rotating cylinder
Divide the opening portion with the free switch for dried object being supplied hothouse.Drying device will supply hothouse from opening portion
Dried object, be dried in the hothouse of rotating cylinder, be run through and fall gap, fall on hothouse, in hothouse
The dried object being further dried will be discharged to outside by the through-hole of porous plate.
Above-mentioned drying device has the disadvantage that：
The first, material is dehydrated by mechanical centrifugal form, since the centrifugal force generated when cartridge filter rotates compares
Limited, so dehydration is not thorough, the moisture content after filter press press filtration in material is still higher.
The second, it being dried by filter plate form using hot wind, process can take out of in smell to air, pollute,
And due to that can take away more heat when hot wind is discharged, dry thermal energy consumption is relatively high.
Third, aqueous solution material in usually irritant or virose liquid, in operation due to
It is not Airtightness, so the pollution of environment can be formed, specifically wetter on the ground, workshop smell is big, the working environment of worker
Relatively severe, and be that multiple people operate a machine, powder is flown upward larger when discharging.Also, since material is located at porous plate volume
At cartridge filter in, whole device can not wash material, the impurity such as sulfate radical in material remain wherein, cause into
The impurity such as the acidity contained in product are bigger.
Invention content
The purpose of this utility model is to provide a kind of filter device for the material producing coating, the utility model contributes to
Ensure the service life of filter device.
The technical solution for solving above-mentioned technical problem is as follows：
The filter device of the material of coating is produced, filter device is arranged in the inner cavity of the tank body of drying machine, and filter device will
Tank inner chamber is divided into the first cavity and the second cavity, and filter device includes filter cloth, support plate, pressing plate, locking device, filter cloth quilt
It is clamped between support plate and pressing plate, through-hole is equipped in support plate and pressing plate, support plate is fastened with pressing plate by locking device
It is integrated.
Further, the locking device includes first flange, second flange, the first hollow snap ring, the second hollow snap ring,
Steel ball is equipped in first flange and second flange, one end of the first hollow snap ring is inserted into the second hollow snap ring, and first is empty
After heart snap ring and the second hollow snap ring block the steel ball in first flange and second flange respectively, by bolt by the first hollow card
Ring and the second hollow snap ring are fastened as a whole.
Further, filter device further includes a clamping device, and the clamping device is by two clamping plates and fastening bolt
Composition, after two clamping plates clamp the locking device, fastening bolt fastens two clamping plates.
Further, it is mounted on gasket between second flange and pressing plate and below support plate.
Feed liquid containing moisture is transported in the first cavity of the tank body of drying machine, tank body is under the drive of driving mechanism
Rotation, rotation terminate to import in compressed air to the first cavity by the second rotary joint, under the pressure effect of compressed air,
Non-neutral moisture is flowed through from filter device and is removed, and is left the material of moistening in the first cavity.Since the intensity of filter cloth is relatively low,
In addition the tank body of drying machine will be rotated during the work time, after tank body rotates 180 degree, if the pressure of pressing plate is not made
With only by the clamping force of locking device, filter cloth is turned into the state of arc under the effect of gravity at the both ends of filter cloth, for a long time
After work, filter cloth will be bad by button, and therefore, in addition after pressing plate, filter cloth is clamped by support plate and pressing plate, and the longevity is used to filter cloth
Life can be guaranteed.
Description of the drawings
Fig. 1 is the structural schematic diagram of the multi-functional pressure-filteration drying machine of the utility model；
Fig. 2 is the schematic diagram of filter device in the utility model；
Fig. 3 is the portions the P enlarged drawing in Fig. 1；
Fig. 4 is the structural schematic diagram of auxiliary filter in the utility model；
In attached drawing, 1 be filter device, 2 be filter cloth, 3 be support plate, 4 be pressing plate, 5 be first flange, 6 be second flange,
5 it is first flange, 6 be second flange, 7 be the first hollow snap ring, 8 be the second hollow snap ring, 9 be steel ball, 10 be bolt, 11 is
Hook, 12 be clamping plate, 13 be fastening bolt, 14 be auxiliary support frame, 15 be heating tube；
20 it is tank body, 21 be the first cavity, 22 be the second cavity, 23 be valve, 24 be toroidal shell, 25 is hollow folder
Layer, 26 be the first bearing, 27 be the second bearing；
30 it is rack, 31 be first bearing device, 32 is second bearing device；
40 be the first hollow shaft, 41 be the second hollow shaft；
50 be the first rotary joint, 51 be the second rotary joint；
60 it is driving mechanism, 61 be motor, 62 be speed reducer, 63 be sprocket wheel, 64 is chain；
70 it is air filter device, 71 be connecting plate, 72 be connecting rod, 73 be strainer, 74 is filter core bearing；
80 it is motor, 81 is blade；
90 be hole filter, 91 to take over.
Specific implementation mode
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
If the filter device 1 of Fig. 1 and Fig. 2, the utility model are arranged in the inner cavity of tank body 20,20 inner cavity of tank body is divided into
First cavity 21 and the second cavity 22.Filter device 1 includes filter cloth 2, support plate 3, pressing plate 4, locking device, and filter cloth 2 is clamped
Between support plate 3 and pressing plate 4, through-hole is equipped in support plate 3 and pressing plate 4, support plate 3 is tight by locking device with pressing plate 4
It is solidified as a whole.Since the intensity of filter cloth is relatively low, in addition tank body 20 will be rotated during the work time, when tank body rotates 180 degree
Afterwards, if the pressure without pressing plate 4 acts on, only the both ends of filter cloth are by the clamping force of locking device, and filter cloth 2 is in gravity work
It is turned into the state of arc under, after long-term work, filter cloth 2 will be bad by button, and therefore, in addition after pressing plate 4, filter cloth 2 is by supporting
Plate 3 and pressing plate 4 are clamped, and can be guaranteed to the service life of filter cloth.
It can be seen that, support plate 3 and pressing plate 4 are pierced by from the inner cavity of tank body 20 to after 20 outside of tank body from the signal of Fig. 2
It is fastened as a whole by locking device, the locking device includes first flange 5, second flange 6, first the 7, second sky of hollow snap ring
Steel ball 9 is equipped in heart snap ring 8, first flange 5 and second flange 6, one end of the first hollow snap ring 7 is inserted into the second hollow card
In ring 8, thus the height between the first hollow snap ring 7 and the second hollow snap ring 8 is adjustable, and in the first hollow snap ring
7 and second hollow snap ring 8 the other end, each extend over out the hook 11 of a radial direction, pass through the hook 11, the first hollow snap ring
7 and second hollow snap ring 8 block the steel ball 9 in first flange 5 and second flange 6 respectively after, it is hollow by first by bolt 10
Snap ring 7 and the second hollow snap ring 8 are fastened as a whole.In this way, the first hollow snap ring 7 and the second hollow snap ring 8 are by 5 He of first flange
Second flange 6 clamps, and first flange 5 and second flange 6 clamp support plate 3 and pressing plate 4.Due to support plate 3 and pressing plate 4
Periphery is pierced by outside tank body, therefore, gasket is equipped between second flange 6 and pressing plate 4, and in the lower section of support plate
Equipped with gasket.Certainly, the structure of above-described embodiment, support plate 3 and pressing plate 4 are pierced by outside tank body 20, this structure shape
The reasons why formula is：First is to make installation difficulty be reduced, and second is since tank body during the work time will be with the first sky
Mandrel and the second hollow shaft pivot about, after being pierced by outside while increasing easy for installation, because in switching process
Caused by mechanical loss be easier to be maintained in outside, third be in order to be more easily replaced filter cloth, therefore, when using support
Plate 3 and pressing plate 4 are pierced by the structure type outside tank body, and the tank body 20 in present embodiment is actually by upper and lower two parts group
At that is, tank body is split type, in assembly, the upper part of first flange 5 and tank body is welded, by second flange 6 and tank body
Lower part welding, after first flange 5 and second flange 6 are fastened as a whole by locking device, to tank body upper part and
Lower part is also integrally formed.
The support plate 3 and pressing plate 4 of the utility model will be not necessarily pierced by outside tank body, i.e., entire filter device can also
It is integrally placed in the inside of tank body, for example, replacing filter cloth using strainer, strainer is the strainer that stainless steel or titanium are sintered, this
The strainer of structure, without using pressing plate, directly supports it using support plate since the intensity of itself is higher.It is filling
Support plate is fixed on the internal face of tank body 20 by timing, this fixed form, can open up screw thread in the outside wall surface of tank body
Hole is fixed as one after passing through threaded hole using screw with support plate, then again by strainer fix on the supporting plate, when
So, support plate can also be fixed as one by the way of welding with tank body.
Filter device further includes a clamping device other than above structure, the clamping device by two clamping plates 12 with
And fastening bolt 13 forms, after two clamping plates 12 clamp the locking device, two clamping plates 12 are by first flange 5 and second
Flange 6 is clamped, and fastening bolt 13 fastens two clamping plates 12.It is using the purpose of clamping device：Due to 3 He of support plate
Pressing plate 4 is in the shape of disk, and therefore, support plate 3 and pressing plate 4 are circumferentially mounted with multiple locking devices, when filter cloth 2 to be replaced
When, it needs, by the latch-release of locking device, filter cloth could be extracted out, but be not intended to the upper and bottom section of tank body again simultaneously
It thoroughly separates, therefore, after locking device is unclamped, since clamping device also has clamping action to first flange and second flange
Power, the upper and bottom section of tank body is in being not completely separated from state, to walk to take away filter cloth 2 from support plate and pressing plate, more
After the filter cloth renewed, lock again.
Filter device is also provided with auxiliary support frame 14 other than above structure, which is fixed on the interior of tank body
It on wall surface, is attached by supporting rod between supporting rack 14 and support plate 3, in this way, passing through the work of supporting rack and supporting rod
With filter device obtains firm supporting force.In support plate face on the surface of supporting rack 14, heating tube is installed
15, which is coil pipe, and disengaging port is connected to the hollow interlayer.In this way, provided with after heating tube 15, add
Thermal medium can also enter in heating tube, to which the material in tank body be dried.
The valve 23 being connected to the second cavity is equipped on tank body 20, since tank body is separated into the first chamber by filter device
Body 21 and the second cavity 22, in the present invention, the first cavity are for accommodating processed material, and the second cavity is then
Filtrate is accommodated, when needing to drain filtrate, by Open valve 23, then the filtrate being located in the second cavity is discharged.Institute
It states and is also provided with toroidal shell 24 on the excircle wall surface of tank body 20 at least partly, formed between the toroidal shell 24 and tank body
Hollow interlayer 25, toroidal shell 24 corresponds to the first cavity 22 with tank body, but its height is smaller than the first cavity 22, therefore, ring
There is no form full encirclement to shape shell 24 to the first cavity 22 in tank body.Has been arranged symmetrically in the circumferential wall of tank body 20
One bearing 26 and the second bearing 27, the first bearing 26 are connected to the hollow interlayer 25, and the second bearing 27 extends through tank body 20
The first cavity 22 in.In present embodiment, since the height of the upper part of tank body is much larger than the height of lower part, in addition setting
After toroidal shell 24, if the first bearing 26 and the second bearing 27 are arranged close on the position of lower part, it is easy to lead
To tank body, in rotation process therefore disequilibrium installs the first bearing and second so that the center of tank body is boundary as possible
Seat, in this way, when being installed as line of demarcation using its center, the first bearing and the second bearing occupy a part of of toroidal shell 24 and install
Space.But simultaneously as other pipelines are not needed, convenient for making the first bearing be connected to hollow interlayer 25.
As shown in figures 1 and 3, the second bearing 27 extends through one end of tank body and is at least connected with there are one air filter device 70, should
Strainer 73 of the air filter device 70 including two pieces of connecting plates 71, connecting rod 72 and tubular, connecting rod 72 is equipped with parallel with axial direction
Blind hole, the periphery of connecting rod 72 is equipped with several radial gas ports 73, the blind hole of the gas port 73 and connecting rod 72
Connection, one end of connecting rod 72 are fastened as a whole after sequentially passing through two pieces of connecting plates 71 with connecting plate 71, and the mode of fastening is weldering
It connects.Strainer 73 is looped around around connecting rod 72, and the both ends of strainer 73 are connect with two pieces of connecting plates 71 respectively, the both ends of strainer 73
It is respectively fitted on two pieces of connecting plates 71, strainer can be made to coordinate with connecting plate by way of interference, can also be matched using gap
The mode of conjunction is then welded.In the present embodiment, the practical air filter device 70 being connect with the second bearing 27 is three, due to the
Two bearings can not be directly attached with three air filter devices simultaneously, therefore, one is mounted in the end of the second bearing 27
Filter core bearing 74, the filter core bearing are a sphere, and inside is hollow, and three air filter devices 70 are distributed in filter core bearing
On 74, i.e., each connecting rod 71 is fixedly connected with filter core bearing 74.Before it is dried and in drying process, it is required to the first chamber
Body 21 imposes suction function, during negative pressure, moves, passes through with air-flow since the material on surface can be entrained in air-flow
Air filter device 70 filters out the material in air-flow, passes the gas through, and material then remaines in the first cavity 21, reduces material damage
Consumption.In the process, since some materials can be adhered on strainer 73, still, due to before material is dried, passing through
Two rotary joints 51 input compressed air into the first cavity, therefore, under the action of compressed air, will be adhered on strainer 73
Material removed in a manner of backwashing.Tank body 20 other than arrangement above, inlet port and outlet port and material inlet valve and
The setting of discharge valve is also essential, and details are not described herein.
As shown in Figure 1, being fixed with the breaker in the first cavity for extending into tank body on tank body 20, breaker includes
The torque output of driving motor or air motor 80 and blade 81, motor or air motor 80 extend into the first of tank body 20
In cavity 21, blade 81 is fixed on the torque output of motor or air motor 80.Breaker is mainly in the drying process
Material is crushed, in drying process, tank body 20 drives material overturning, material is in switching process due to rotating
It is acted on by the circumgyration incision of blade to be broken.After bulky material is broken into the material of small size, contribute to object
Material absorbs heat, and improves drying efficiency.As shown in figure 4, being also provided with an aided filter dress in the first cavity of tank body 20
It sets, auxiliary filter is close to filter device 1, from the diagram of Fig. 1, is located at the top of filter device, the aided filter
Device includes millipore filter 90 and take over 91, and millipore filter 90 is parallel with the axial direction of tank body, millipore filter 90
Output end is connect with take over 91, and the one end taken over is fixed on the internal face of tank body 20, and take over 91 passes through pipeline and tank body
Second cavity is connected to.By auxiliary filter, under the pressure effect of compressed air, a part of filtrate, which will go into, to be assisted
It filters in device, filtrate is sent to the second cavity by auxiliary filter, contribute to the burden for reducing filter device in this way, and carry
Rise the efficiency of filtering.
As shown in Figure 1, first bearing device 31 and second bearing device 32 are fixed in rack 30, first bearing device 31
It is made of bearing block and bearing with second bearing device 32.After one end of first hollow shaft 40 passes through first bearing device 31,
It is fixedly connected with the first bearing 26 on tank body, the other end of the first hollow shaft 40 is connect with the first rotary joint 50.First rotation
Adapter 50 is mainly used for importing heat medium, these heat mediums can be the gaseous states such as steam, hot water, conduction oil or liquid state
Medium, after heat medium enters the first rotary joint 50, entered in the first bearing 26 by the first hollow shaft 40, then from
First bearing 26 enters in hollow interlayer 25, with constantly heat medium is filled with, is finally full of entire hollow interlayer 25,
Heat medium makes under the action of heat is transmitted in heat transfer to tank body, to which the material in tank body be dried.First rotation
Adapter is that heat medium is imported there are one air intake and a leakage fluid dram, the effect of air intake, and the effect of leakage fluid dram is：By
After the transmission of gaseous heating medium heat, the water of liquid can be formed, under the action of siphon, the water of liquid is by arranging rotary joint
Leakage fluid dram is discharged.After one end of second hollow shaft 41 passes through second bearing device 32, fixed with the second bearing 27 on tank body 20
Connection, the other end of the second hollow shaft 41 are connect with the second rotary joint 51.During the work time due to tank body 20, with the first sky
Mandrel and the second hollow shaft are that fulcrum carries out rotary motion, therefore, in the utility model use the first rotary joint and second
Rotary joint, when tank body turns round, the first rotary joint and the second rotary joint are stationary.The axle body of second hollow shaft 41 is also
It is connect with driving mechanism 60.Driving mechanism 60 is made of motor 61, speed reducer 62, sprocket wheel 63 and chain 64, motor 61 and is subtracted
Fast machine 62 is installed in rack 30, naturally it is also possible to it is mounted on ground, but in order to reduce floor space, the utility model
Rack 30 is specially provided with the spatial position of installation motor 61 and speed reducer 62.The torque that motor 61 exports passes to speed reducer
62, sprocket wheel 63 is a pair, one of them is fixed on the output end of speed reducer, another is fixed in the second hollow shaft 41, two
Sprocket wheel 63 is attached by chain.The driving mechanism of the utility model is not limited to aforesaid way, can also use belt wheel or tooth
The kind of drive of wheel.
Claims (4)
1. producing the filter device of the material of coating, which is characterized in that filter device is arranged in the inner cavity of the tank body of drying machine, mistake
Tank inner chamber is divided into the first cavity and the second cavity by filter device, and filter device includes filter cloth, support plate, pressing plate, locking dress
It sets, filter cloth is clamped between support plate and pressing plate, and through-hole is equipped in support plate and pressing plate, and support plate passes through locking with pressing plate
Device is fastened as a whole.
2. the filter device of the material of production coating according to claim 1, which is characterized in that the locking device includes
First flange, second flange, the first hollow snap ring, the second hollow snap ring are equipped with steel ball in first flange and second flange, and
One end of one hollow snap ring is inserted into the second hollow snap ring, and the first hollow snap ring and the second hollow snap ring block the first method respectively
After steel ball in blue and second flange, the first hollow snap ring and the second hollow snap ring are fastened as a whole by bolt.
3. the filter device of the material of production coating according to claim 1, which is characterized in that filter device further includes one
A clamping device, the clamping device are made of two clamping plates and fastening bolt, after two clamping plates clamp the locking device,
Fastening bolt fastens two clamping plates.
4. the filter device of the material of production coating according to claim 1, which is characterized in that in second flange and pressing plate
Between and be mounted below support plate gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721776064.6U CN207856402U (en) | 2017-12-18 | 2017-12-18 | Produce the filter device of the material of coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721776064.6U CN207856402U (en) | 2017-12-18 | 2017-12-18 | Produce the filter device of the material of coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207856402U true CN207856402U (en) | 2018-09-14 |
Family
ID=63465214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721776064.6U Expired - Fee Related CN207856402U (en) | 2017-12-18 | 2017-12-18 | Produce the filter device of the material of coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207856402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998709A (en) * | 2017-12-18 | 2018-05-08 | 常州豪邦纳米科技涂料有限公司 | Produce the filtration apparatus of the material of coating |
-
2017
- 2017-12-18 CN CN201721776064.6U patent/CN207856402U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998709A (en) * | 2017-12-18 | 2018-05-08 | 常州豪邦纳米科技涂料有限公司 | Produce the filtration apparatus of the material of coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102872633B (en) | Multifunctional filtering, washing and drying machine | |
| CN208943563U (en) | A kind of Multifunction filtering machine | |
| CN113262738B (en) | Hydraulic extrusion type integrated machine integrating reaction crystallization, slurry washing, filtering and drying functions | |
| CN109316814B (en) | Quick drying device of metal powder | |
| CN101385962B (en) | Reaction filter drying apparatus with compression membrane | |
| CN108640480A (en) | A kind of sludge treatment device of the environmental protection in hydraulic engineering field | |
| CN212854664U (en) | Fish protein water double-effect waste steam falling film type concentration device | |
| CN207856402U (en) | Produce the filter device of the material of coating | |
| CN207856494U (en) | Produce the air filter device of the material of coating | |
| CN113262739B (en) | Hydraulic extrusion method integrating reaction crystallization, slurry washing, filtering and drying functions | |
| CN207856451U (en) | Produce the drying machine of the material of coating | |
| CN101571344A (en) | Multifunctional vacuum conical mixing-drying unit | |
| CN207899071U (en) | A kind of carclazyte filter device of compound lard | |
| CN201284232Y (en) | Apparatus for directly and continuously producing insoluble sulfur | |
| CN207147060U (en) | A kind of double conic rotary vacuum dryer of built-in sparge pipe and scraper | |
| CN107983028A (en) | Produce the air filter device of the material of coating | |
| CN106918199A (en) | A kind of double conic rotary vacuum dryer of built-in sparge pipe and scraper | |
| CN204648858U (en) | A kind of double conic rotary vacuum dryer | |
| CN107998709A (en) | Produce the filtration apparatus of the material of coating | |
| CN208301878U (en) | A kind of efficient cylinder type medicine roasting machine | |
| CN207147059U (en) | A kind of double conic rotary vacuum dryer of inner cutter | |
| CN113262550B (en) | Press cover for filter | |
| CN206285559U (en) | A kind of temperature control filter-pressing device with stirring, washing function | |
| CN109384364A (en) | A kind of combined type centrifugal sludge dewatering machine | |
| CN213493998U (en) | Multi-functional graininess industrial chemicals grinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180914 Termination date: 20191218 |