CN209204799U - A kind of dedicated multi-filtering tooling of macromolecule resin eyeglass production - Google Patents
A kind of dedicated multi-filtering tooling of macromolecule resin eyeglass production Download PDFInfo
- Publication number
- CN209204799U CN209204799U CN201821297106.2U CN201821297106U CN209204799U CN 209204799 U CN209204799 U CN 209204799U CN 201821297106 U CN201821297106 U CN 201821297106U CN 209204799 U CN209204799 U CN 209204799U
- Authority
- CN
- China
- Prior art keywords
- sealing plate
- outlet pipe
- filter
- footing
- filtering
- 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
- Filtration Of Liquid (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A kind of dedicated multi-filtering tooling of macromolecule resin eyeglass production, it include tank body, cover board, by-pass filtration outlet pipe, secondary filtration outlet pipe, water inlet pipe, tapping pipe, footing, footing gasket, partition, sealing plate fixed plate, filter, connecting tube, by-pass filtration outlet pipe is set to top of the tank side;Secondary filtration outlet pipe is set to the top of the tank other side;Water inlet pipe is set to tank base side;Tapping pipe is set to the tank base other side;Footing is set to tank wall bottom surface;Partition is set to tank interior, sealing plate fixed plate is respectively arranged at tank interior top and bottom end, filter includes filtering membrane tube, filter outlet pipe, upper sealing plate, lower sealing plate, cradling piece, and connecting tube one end is vertical with partition perforation to be fixedly connected, and the connecting tube other end runs through top sealing plate fixed plate.The utility model can carry out level-one, secondary filtration switching, and filter realizes that modular combination, quantity can be changed freely, filter disassembling cleaning.
Description
Technical field
The utility model belongs to filtering material technical field production field, and especially a kind of macromolecule resin eyeglass production is special
With multi-filtering tooling.
Background technique
Resin is a kind of hydro carbons secretion for coming from various plants, especially coniferae.Resin can be divided into natural tree
Rouge and two kinds of synthetic resin.The type of resin is very more, is all widely used in weight industry, also passes through in daily life
It often can see, such as plastics, resin glasses and coating etc..Resin lens have light weight, anti-impact force is good, translucency is good,
The advantages that at low cost, while also having the shortcomings that surface abrasion resistance is poor, resistance to chemical attack is poor.
The general processing flow of resin lens mainly includes following components: monomer is prepared, mould group is poured, polymerizing curable
(solidifying for the first time), die sinking and edging, lens cleaning, rear solidification, detection.In resin lens process of manufacture, along with right
Raw material are filtered except impurity engineering.Filtration grade requirement is often not achieved to the filtering by-pass filtration of raw material, it usually needs
Multistage filtering, now there are many filter forms in the market, and there are following technological deficiencies: (1) being filtered using single-stage, filtration grade is difficult
To reach requirement.(2) filter membrane can not modularization assembling, application, structure type is single.(3) filter membrane can not be dismantled and be torn open
It washes, is also easy to produce fouling using surface for a long time.
Utility model content
To solve the above problems, the utility model discloses a kind of production of macromolecule resin eyeglass is dedicated multiple
Tooling is filtered, specific technical solution is as follows:
A kind of dedicated multi-filtering tooling of macromolecule resin eyeglass production includes tank body, cover board, by-pass filtration water outlet
Pipe, secondary filtration outlet pipe, water inlet pipe, tapping pipe, footing, footing gasket, partition, sealing plate fixed plate, filter, connecting tube,
The tank body is cylindrical, is hollow structure, and the cover board is circular configuration, and the cover board is set to tank body upper surface, described
Cover board and tank body are achieved a fixed connection by fastener;The by-pass filtration outlet pipe is set to top of the tank side;Described two
Grade filtering outlet pipe is set to the top of the tank other side;The water inlet pipe is set to tank base side;The tapping pipe setting
In the tank base other side;The footing is set to tank wall bottom surface, and the footing quantity is three, each footing and
The oblique fixed setting in tank body bottom surface, the footing gasket are in thin-slab structure, and the footing gasket is set to each footing bottom
End, the footing gasket are fixedly connected with footing;
The partition is set to tank interior, and the partition is square, and the partition is vertical with inner tank wall to be fixedly connected;
The sealing plate fixed plate quantity is two pieces, and the sealing plate fixed plate is respectively arranged at tank interior top and bottom end, the sealing plate
Fixed plate is cylindrical, and the sealing plate fixed plate outer diameter and tank body internal diameter are adapted, the sealing plate fixed plate and tank body inner sidewall
It is fixedly connected, the sealing plate fixed plate is equipped with sealing plate fixation hole;
The filter includes filtering membrane tube, filter outlet pipe, upper sealing plate, lower sealing plate, cradling piece, the filtering membrane tube
In duplex tube helix shape structure, the filtering membrane tube is circumferentially with filter membrane, and the filter membrane is equipped with open-work, and the open-work is circumferentially set
Be placed in filter membrane surface, the filter membrane inner wall is circumferentially with steel wire lining, the hollow formation centre bore of filter membrane, it is described on
The cylindrical structure of sealing plate, the filter outlet pipe quantity are two, and the filter outlet pipe is set to upper sealing plate two sides,
Each filter outlet pipe is fixedly connected through upper sealing plate with the perforation of the double spiral tube of filtering membrane tube, each filter
Outlet pipe is vertical with upper sealing plate to be fixedly connected, and the cradling piece is in round bar shape structure, and the cradling piece is set to upper sealing plate following table
Face the center point, the cradling piece top is vertical with upper sealing plate lower surface to be fixedly connected, the lower cylindrical structure of sealing plate, described
Cradling piece bottom end is vertical with lower sealing plate upper surface to be fixedly connected;
The connecting tube is L-shaped, and described connecting tube one end is vertical with partition perforation to be fixedly connected, and the connecting tube is another
Top sealing plate fixed plate is run through at end, and the connecting tube is fixedly connected with sealing plate fixed plate, and the connecting tube is equipped with connecting tube electricity
Dynamic two-port valve.
Further, by-pass filtration outlet pipe one end is equipped with by-pass filtration and is discharged tube valve.
Further, secondary filtration outlet pipe one end is equipped with secondary filtration and is discharged tube valve.
Further, described tapping pipe one end is equipped with drain valve.
Further, setting angle α=120 ° of each footing and tank body bottom surface.
Further, the quantity of each sealing plate fixed plate upper sealing plate fixation hole is 30.
Further, each sealing plate fixation hole internal diameter is equipped with sealing plate sealing ring, each upper sealing plate outer diameter, lower envelope
Plate outer diameter and sealing plate seal diameter are adapted, and each filter and sealing plate fixed plate are cooperated by upper sealing plate, lower sealing plate
Sealing plate sealing ring achieves a fixed connection.
Further, the filtering membrane tube is the conveyor screw of isometrical spiral.
Further, the upper sealing plate upper surface, lower surface and filter outlet pipe junction are equipped with filter outlet pipe
Sealing ring, the filter outlet pipe sealing ring quantity of each filter are four.
Further, the fastener is one of bolt, nut, screw, tapping screw or a variety of.
The working principle of the utility model is:
Cover board is opened, each filter is from top to bottom passed through into corresponding sealing plate fixation hole, cooperates sealing plate sealing ring and sealing plate
Fixed plate is fixedly connected, and covers cover board;It opens by-pass filtration and is discharged tube valve, close secondary filtration and be discharged tube valve, connecting tube
Electric two-way valve connects water inlet pipe, is entered in tank body by filtering liquid into water inlet pipe is crossed, the filtering through open-work on filter membrane is made
With slowly entering centre bore, filtered fluid is slowly risen by centre bore, is expelled to top of the tank by filter outlet pipe, most
It is discharged by by-pass filtration outlet pipe;When such as to being had higher requirements by filtering liquid filtration grade, by-pass filtration outlet pipe is closed
Valve opens secondary filtration and is discharged tube valve, connecting tube electric two-way valve, and the liquid once filtered in top of the tank is through connecting
Pipe is flowed into the partition other side, then the filtering of the filter through the other side, this top of the tank is discharged by filter outlet pipe, through second level
Filter outlet pipe discharge.
The beneficial effects of the utility model are:
(1) it can be required according to degree of filtration, controlled valve is selected to switch by-pass filtration, secondary filtration form, using flexible.
(2) filter can realize modular combination, capable freely changing tank body internal filter quantity.
(3) single filter can realize disassembly, it can be achieved that disassembly, cleaning, guarantee filter surfaces cleaning, prevent surface long
Time uses structure.
Detailed description of the invention
Fig. 1 is the positive view of the utility model.
Fig. 2 is tank body plan view.
Fig. 3 is the A partial structural diagram of Fig. 1.
Fig. 4 is the section of filtering membrane tube.
Reference signs list: filtering membrane tube 1, filter membrane 1-1, open-work 1-2, steel wire lining 1-3, centre bore 1-4, filter
Outlet pipe 2, upper sealing plate 3, lower sealing plate 4, cradling piece 5, filter seal circle 6, tank body 7, cover board 8, by-pass filtration outlet pipe 9, one
Grade filters out aqueduct valve 9-1, secondary filtration outlet pipe 10, secondary filtration water outlet tube valve 10-1, water inlet pipe 11, tapping pipe
12, drain valve 12-1, footing 13, footing gasket 14, partition 15, sealing plate fixed plate 16, sealing plate fixation hole 16-1, filter 17,
Connecting tube 18, connecting tube electric two-way valve 18-1, sealing plate sealing ring 19.
Specific embodiment
It is clear to be more clear the technical solution of the utility model, the utility model is carried out into one with reference to the accompanying drawing
Step description, the technical characteristic of any pair of technical solutions of the utility model carry out the scheme that equivalencing is obtained with conventional reasoning and fall
Enter scope of protection of the utility model.Being fixedly connected mentioned in the present embodiment, fixed setting, fixed structure are welding, spiral shell
Follow closely the well-known techniques known to a person skilled in the art such as connection, bolt and nut connection, riveting, gluing, threaded connection.
It include tank body 7, cover board in conjunction with attached drawing as it can be seen that a kind of macromolecule resin eyeglass produces dedicated multi-filtering tooling
8, by-pass filtration outlet pipe 9, secondary filtration outlet pipe 10, water inlet pipe 11, tapping pipe 12, footing 13, footing gasket 14, partition
15, sealing plate fixed plate 16, filter 17, connecting tube 18, the tank body 7 is cylindrical, is hollow structure, and the cover board 8 is circle
Shape structure, the cover board 8 are set to 7 upper surface of tank body, and the cover board 8 is achieved a fixed connection with tank body 7 by fastener;It is described
By-pass filtration outlet pipe 9 is set to 7 top side of tank body;The secondary filtration outlet pipe 10 is set to the 7 top other side of tank body;
The water inlet pipe 11 is set to 7 bottom side of tank body;The tapping pipe 12 is set to the 7 bottom other side of tank body;The footing 13
It is set to 7 outer wall bottom surface of tank body, 13 quantity of footing is three, and each footing 13 and the oblique fixation in 7 bottom surface of tank body are set
It sets, the footing gasket 14 is in thin-slab structure, and the footing gasket 14 is set to each 13 bottom end of the footing, the base pad
Piece 14 is fixedly connected with footing 13;
The partition 15 is set to inside tank body 7, and the partition 15 is square, and the partition 15 is vertical with 7 inner wall of tank body
It is fixedly connected;16 quantity of sealing plate fixed plate be two pieces, the sealing plate fixed plate 16 be respectively arranged at 7 inner tip of tank body and
Bottom end, the sealing plate fixed plate 16 is cylindrical, and 16 outer diameter of sealing plate fixed plate and 7 internal diameter of tank body are adapted, the sealing plate
Fixed plate 16 is fixedly connected with 7 inner sidewall of tank body, and the sealing plate fixed plate 16 is equipped with sealing plate fixation hole 16-1;
The filter 17 includes filtering membrane tube 1, filter outlet pipe 2, upper sealing plate 3, lower sealing plate 4, cradling piece 5, described
Filtering membrane tube 1 is in duplex tube helix shape structure, and the filtering membrane tube 1 is circumferentially with filter membrane 1-1, and the filter membrane 1-1 is equipped with saturating
Hole 1-2, the open-work 1-2 are circumferentially set to the surface filter membrane 1-1, and the filter membrane 1-1 inner wall is circumferentially with steel wire lining 1-
3, the hollow formation centre bore 1-4 of filter membrane 1-1, the cylindrical structure of the upper sealing plate 3, the number of filter outlet pipe 2
Amount is two, and the filter outlet pipe 2 is set to 3 two sides of upper sealing plate, and each filter outlet pipe 2 runs through upper sealing plate 3
It being fixedly connected with the perforation of the double spiral tube of filtering membrane tube 1, each filter outlet pipe 2 is vertical with upper sealing plate 3 to be fixedly connected,
The cradling piece 5 is in round bar shape structure, and the cradling piece 5 is set to 3 lower surface the center point of upper sealing plate, 5 top of cradling piece
It is vertical with 3 lower surface of upper sealing plate to be fixedly connected, the cylindrical structure of the lower sealing plate 4,5 bottom end of cradling piece and lower sealing plate 4
Upper surface is vertically fixedly connected.
The connecting tube 18 is L-shaped, described 18 one end of connecting tube and partition 15 penetrate through it is vertical be fixedly connected, the connection
18 other end of pipe runs through top sealing plate fixed plate 16, and the connecting tube 18 is fixedly connected with sealing plate fixed plate 16, the connecting tube
18 are equipped with connecting tube electric two-way valve 18-1.
Further, described 9 one end of by-pass filtration outlet pipe is equipped with by-pass filtration and is discharged tube valve 9-1.
Further, described 10 one end of secondary filtration outlet pipe is equipped with secondary filtration and is discharged tube valve 10-1.
Further, described 12 one end of tapping pipe is equipped with drain valve 12-1.
Further, setting angle α=120 ° of each footing 13 and 7 bottom surface of tank body.
Further, the quantity of each 16 upper sealing plate fixation hole 16-1 of the sealing plate fixed plate is 30.
Further, each sealing plate fixation hole 16-1 internal diameter is equipped with sealing plate sealing ring 19, outside each upper sealing plate 3
Diameter, 4 outer diameter of lower sealing plate and 19 diameter of sealing plate sealing ring are adapted, and each filter 17 passes through upper envelope with sealing plate fixed plate 16
Plate 3, lower sealing plate 4 cooperate sealing plate sealing ring 19 to achieve a fixed connection.
Further, the filtering membrane tube 1 is the conveyor screw of isometrical spiral.
Further, 3 upper surface of upper sealing plate, lower surface and 2 junction of filter outlet pipe are discharged equipped with filter
Seal of tube circle 2,2 quantity of filter outlet pipe sealing ring of each filter 17 are four.
Further, the fastener is one of bolt, nut, screw, tapping screw or a variety of.
The working principle of the utility model is:
Cover board 8 is opened, by each filter 17 from top to bottom by corresponding sealing plate fixation hole 16-1, cooperates sealing plate sealing ring
19 are fixedly connected with sealing plate fixed plate 16, cover cover board 8;It opens by-pass filtration and is discharged tube valve 9-1, close secondary filtration water outlet
Tube valve 10-1, connecting tube electric two-way valve 18-1 connect water inlet pipe 11, enter tank body 7 into water inlet pipe 11 is crossed by filtering liquid
Interior, the filtration through open-work 1-2 on filter membrane 1-1 slowly enters centre bore 1-4, and filtered fluid is slow by centre bore 1-4
Rise, 7 top of tank body is expelled to by filter outlet pipe 2, is most discharged afterwards through by-pass filtration outlet pipe 10;Such as to by filtering liquid
It when filtration grade has higher requirements, closes by-pass filtration and is discharged tube valve 9-1, open secondary filtration water outlet tube valve 10-1, connect
Adapter tube electric two-way valve 18-1, the interior liquid once filtered in 7 top of tank body are flowed into 15 other side of partition through connecting tube 18, then
Filter 17 through the other side filters, this 7 top of tank body is discharged by filter outlet pipe 2, is discharged through secondary filtration outlet pipe 10.
The beneficial effects of the utility model are:
(1) it can be required according to degree of filtration, controlled valve is selected to switch by-pass filtration, secondary filtration form, using flexible.
(2) filter can realize modular combination, capable freely changing tank body internal filter quantity.
(3) single filter can realize disassembly, it can be achieved that disassembly, cleaning, guarantee filter surfaces cleaning, prevent surface long
Time uses structure.
Claims (10)
1. a kind of macromolecule resin eyeglass produces dedicated multi-filtering tooling, which is characterized in that include tank body, cover board, level-one
Filter outlet pipe, secondary filtration outlet pipe, water inlet pipe, tapping pipe, footing, footing gasket, partition, sealing plate fixed plate, filter,
Connecting tube, the tank body is cylindrical, is hollow structure, and the cover board is circular configuration, and the cover board is set to table on tank body
Face, the cover board and tank body are achieved a fixed connection by fastener;The by-pass filtration outlet pipe is set to top of the tank side;
The secondary filtration outlet pipe is set to the top of the tank other side;The water inlet pipe is set to tank base side;The sluicing
Pipe is set to the tank base other side;The footing is set to tank wall bottom surface, and the footing quantity is three, each described
The oblique fixed setting of footing and tank body bottom surface, the footing gasket are in thin-slab structure, and the footing gasket is set to each described
Footing bottom end, the footing gasket are fixedly connected with footing;
The partition is set to tank interior, and the partition is square, and the partition is vertical with inner tank wall to be fixedly connected;It is described
Sealing plate fixed plate quantity is two pieces, and the sealing plate fixed plate is respectively arranged at tank interior top and bottom end, and the sealing plate is fixed
Plate is cylindrical, and the sealing plate fixed plate outer diameter and tank body internal diameter are adapted, and the sealing plate fixed plate is fixed with tank body inner sidewall
Connection, the sealing plate fixed plate are equipped with sealing plate fixation hole;
The filter includes filtering membrane tube, filter outlet pipe, upper sealing plate, lower sealing plate, cradling piece, and the filtering membrane tube is in double
Pipe helical structure, the filtering membrane tube are circumferentially with filter membrane, and the filter membrane is equipped with open-work, and the open-work is circumferentially set to
Filter membrane surface, the filter membrane inner wall are circumferentially with steel wire lining, the hollow formation centre bore of filter membrane, the upper sealing plate
Cylindrical structure, the filter outlet pipe quantity are two, and the filter outlet pipe is set to upper sealing plate two sides, each
The filter outlet pipe is fixedly connected through upper sealing plate with the perforation of the double spiral tube of filtering membrane tube, each filter water outlet
Pipe is vertical with upper sealing plate to be fixedly connected, and the cradling piece is in round bar shape structure, and the cradling piece is set to upper sealing plate lower surface circle
At the heart, the cradling piece top is vertical with upper sealing plate lower surface to be fixedly connected, the lower cylindrical structure of sealing plate, the bracket
Bar bottom end is vertical with lower sealing plate upper surface to be fixedly connected;
The connecting tube is L-shaped, and described connecting tube one end is vertical with partition perforation to be fixedly connected, and the connecting tube other end passes through
Top sealing plate fixed plate is worn, the connecting tube is fixedly connected with sealing plate fixed plate, and the connecting tube is equipped with connecting tube electronic two
Port valve.
2. a kind of macromolecule resin eyeglass according to claim 1 produces dedicated multi-filtering tooling, which is characterized in that institute
It states by-pass filtration outlet pipe one end and is discharged tube valve equipped with by-pass filtration.
3. a kind of macromolecule resin eyeglass according to claim 1 produces dedicated multi-filtering tooling, which is characterized in that institute
It states secondary filtration outlet pipe one end and is discharged tube valve equipped with secondary filtration.
4. a kind of macromolecule resin eyeglass according to claim 1 produces dedicated multi-filtering tooling, which is characterized in that institute
Tapping pipe one end is stated equipped with drain valve.
5. a kind of macromolecule resin eyeglass according to claim 1 produces dedicated multi-filtering tooling, which is characterized in that every
Setting angle α=120 ° of a footing and tank body bottom surface.
6. a kind of macromolecule resin eyeglass according to claim 1 produces dedicated multi-filtering tooling, which is characterized in that every
The quantity of a sealing plate fixed plate upper sealing plate fixation hole is 30.
7. a kind of macromolecule resin eyeglass according to claim 1 produces dedicated multi-filtering tooling, which is characterized in that every
A sealing plate fixation hole internal diameter is equipped with sealing plate sealing ring, each upper sealing plate outer diameter, lower sealing plate outer diameter and sealing plate sealing ring
Diameter is adapted, and each filter and sealing plate fixed plate are realized and fixed by upper sealing plate, lower sealing plate cooperation sealing plate sealing ring
Connection.
8. a kind of macromolecule resin eyeglass according to claim 1 produces dedicated multi-filtering tooling, which is characterized in that institute
State the conveyor screw that filtering membrane tube is isometrical spiral.
9. a kind of macromolecule resin eyeglass according to claim 1 produces dedicated multi-filtering tooling, which is characterized in that institute
Upper sealing plate upper surface, lower surface and filter outlet pipe junction are stated equipped with filter outlet pipe sealing ring, each filtering
The filter outlet pipe sealing ring quantity of device is four.
10. a kind of macromolecule resin eyeglass according to claim 1 produces dedicated multi-filtering tooling, which is characterized in that
The fastener is one of bolt, nut, screw, tapping screw or a variety of.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821297106.2U CN209204799U (en) | 2018-08-13 | 2018-08-13 | A kind of dedicated multi-filtering tooling of macromolecule resin eyeglass production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821297106.2U CN209204799U (en) | 2018-08-13 | 2018-08-13 | A kind of dedicated multi-filtering tooling of macromolecule resin eyeglass production |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209204799U true CN209204799U (en) | 2019-08-06 |
Family
ID=67452916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821297106.2U Expired - Fee Related CN209204799U (en) | 2018-08-13 | 2018-08-13 | A kind of dedicated multi-filtering tooling of macromolecule resin eyeglass production |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209204799U (en) |
-
2018
- 2018-08-13 CN CN201821297106.2U patent/CN209204799U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206676055U (en) | A kind of fiber sewage process tank | |
CN107445353A (en) | A kind of environment protection sewage purifier | |
CN209204799U (en) | A kind of dedicated multi-filtering tooling of macromolecule resin eyeglass production | |
CN201643828U (en) | Self-filtering flow-turning type pressure-bearing filter for water saving irrigation | |
CN215691955U (en) | Sewage multi-stage filtering device for environment-friendly wastewater treatment | |
CN110947226A (en) | Solid-liquid preseparation device for sewage treatment | |
CN208177056U (en) | A kind of trade effluent filter | |
CN105771368B (en) | Haloflex filter device | |
CN203253216U (en) | Siphonic valveless filtering pool | |
CN209188253U (en) | A kind of macromolecule resin eyeglass production special filtering film | |
CN209507613U (en) | A kind of zinc sulfate dissolution of raw material impurity removed system | |
CN207769294U (en) | A kind of plant quasi-grease three-level sedimentation basin | |
CN209271005U (en) | A kind of filtering cloth filtering pool of strong impact resistance | |
CN208905962U (en) | The cellular water tank of high-efficient purification water storage | |
CN216076543U (en) | Swimming pool pre-filtering water-saving equipment | |
CN208684501U (en) | A kind of sewage treatment multi stage precipitation device | |
CN207137438U (en) | A kind of equipment for separating liquid from solid after intermediate phosphate ester neutralisation treatment | |
CN201793441U (en) | Assembled high efficiency water filter | |
CN208609549U (en) | A kind of metering elevating type multifunctional hydrant | |
CN209702425U (en) | A kind of environmental improvement sewage disposal device | |
CN206285543U (en) | A kind of subsider in the production for trimethylolpropane | |
CN207435183U (en) | A kind of water process hoisting mechanism | |
CN201211443Y (en) | Non-valve filter with variable backwashing flow | |
CN2723434Y (en) | Multiple stage shallow hydraulic spiral flow clarifier | |
CN219897286U (en) | Water treatment structure |
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: 20190806 Termination date: 20200813 |