CN209204950U - A kind of building field high effect dust cleaner - Google Patents
A kind of building field high effect dust cleaner Download PDFInfo
- Publication number
- CN209204950U CN209204950U CN201822006557.2U CN201822006557U CN209204950U CN 209204950 U CN209204950 U CN 209204950U CN 201822006557 U CN201822006557 U CN 201822006557U CN 209204950 U CN209204950 U CN 209204950U
- Authority
- CN
- China
- Prior art keywords
- fixedly installed
- main box
- pipe
- mounting plate
- large aperture
- 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
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a kind of building field high effect dust cleaners, including pedestal, main box and installation cavity, the inside of the pedestal is fixedly installed with bulk impurity collection box, main box is fixedly installed at the top of the pedestal, the top of the inside of the main box is fixedly installed with mounting plate, installation cavity is provided at the top of the mounting plate, one end of the main box is fixedly installed with aspiration channel, the inside of the aspiration channel is fixedly installed with suction ventilator, one end of the aspiration channel is fixedly installed with Cantonese suction nozzle, the other end of the aspiration channel is fixedly installed with Cantonese air inlet head, there are two large aperture filter plates for the side setting of the Cantonese air inlet head, certain gap is provided between two large aperture filter plates, and one end of two large aperture filter plates is each attached to the bottom of the mounting plate.The utility model makes the present apparatus have the characteristics that efficient dedusting by the way that a series of structure is arranged, is convenient to clean and stable structure.
Description
Technical field
The utility model relates to construction engineering technical field, specially a kind of building field high effect dust cleaner.
Background technique
Architectural engineering, refer to by construction to all kinds of building constructions and its affiliated facility and route matched with its, pipeline,
The installation activity of equipment is formed by engineering entity.Wherein " building construction ", which refers to, top cover, beam column, wall, basis and can
Inner space is formed, meets people's production, lives, learns, the engineering that public activity needs.
In the work progress of architectural engineering, the materials such as cement masonry are essential, so on construction ground often
The dust of a large amount of cement masonry can be generated, these dust usually drift in air, often along with air by constructor
Member's sucking, seriously endangers the health for arriving construction personnel, so generally can all have corresponding dust-extraction unit on construction ground,
Traditional dust-extraction unit is dusted only by drawing air into using filter screen, and not only efficiency of dust collection is not high, using soon
Filter screen will be blocked.
Utility model content
The purpose of this utility model is to provide a kind of building field high effect dust cleaners, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of building field high effect dust cleaner, packet
Pedestal, main box and installation cavity are included, the inside of the pedestal is fixedly installed with bulk impurity collection box, the top of the pedestal
It is fixedly installed with main box, the top of the inside of the main box is fixedly installed with mounting plate, the top setting of the mounting plate
There is installation cavity, one end of the main box is fixedly installed with aspiration channel, and the inside of the aspiration channel is fixedly installed with suction ventilator,
One end of the aspiration channel is fixedly installed with Cantonese suction nozzle, and the other end of the aspiration channel is fixedly installed with Cantonese air inlet head, institute
The side setting of Cantonese air inlet head is stated there are two large aperture filter plate, be provided between two large aperture filter plates it is certain between
Gap, and one end of two large aperture filter plates is each attached to the bottom of the mounting plate, two large aperture filter plates it is another
One end both passes through the main box and the pedestal and is connected to the bulk impurity collection box, between two large aperture filter plates
It is provided with movable screw rasp bar, one end of the movable screw rasp bar passes through the mounting plate by axle sleeve, the movable screw rasp bar
Top is fixedly installed with driven gear, and motor base is welded at the top of the mounting plate, and the mounting plate passes through the motor
Pedestal is fixedly installed with driving motor, and the output end of the driving motor is movably installed with shaft, and one end of the shaft is fixed
Driving gear is installed, the driving gear intermeshes with the driven gear, the middle position inside the main box
It is welded with partition, the partition is vertical with the bottom of the main box, and the inside of the partition is fixedly installed with metal fie screen,
The side of the partition is fixedly installed with filter plate, and the filter plate and the partition are orthogonal, one end of the filter plate
It is provided with landslide, the one end on the landslide connects the side wall of the main box, and has centainly between the side wall of the main box
Angle, one end of the filter plate bottom is fixedly installed with activated-charcoal column, and the side of the activated-charcoal column is provided with suction hose,
The suction hose is fixedly mounted on the bottom of the main tank body sidewall by pipe fixing sleeve, and one end of the suction hose is connected with
Water pump, the middle position at the top of the water pump are fixedly installed with water-supply-pipe, and one end of the water-supply-pipe is fixedly installed with universal
Pipe connecting sleeve, the water-supply-pipe are connected with water inlet pipe by the universal pipe connecting sleeve, and the water inlet pipe passes through the pipe
Road fixing sleeve is fixedly mounted on the top of the main tank body sidewall, and one end of the water inlet pipe passes through the universal pipe connecting sleeve
It is connected with ultrasonic ultrasonic delay line memory, the bottom of the ultrasonic ultrasonic delay line memory is fixedly installed with atomizer.
Preferably, by being welded and fixed between the pedestal and the main box.
Preferably, the bottom of the water pump side is provided with fixed block, and the internal activity of the fixed block is equipped with fixation
Screw, the bottom of the water pump are provided with engineering for pump housing, and the engineering for pump housing is welded on one end of the base top, the water
Pump is fixedly mounted on the top of the engineering for pump housing by the fixed block and the fixing screws.
Preferably, the ultrasonic ultrasonic delay line memory is fixedly mounted on inside the mounting plate, and the ultrasonic ultrasonic delay line memory
It is internally provided with ceramic atomizing piece.
Preferably, the surface of the movable screw rasp bar is socketed with movable block, and the two sides of the movable block are welded with scraper plate,
And the movable block is internally provided with and the mutually matched threaded hole of movable screw rasp bar.
Preferably, the middle position of the main box side is fixedly installed with discharge pipe.
Compared with prior art, the utility model has the beneficial effects that the utility model is scientific and reasonable for structure, use is safe
Convenient, by being equipped with aspiration channel, the inside of aspiration channel is equipped with suction ventilator, and user can will contain cement brick by suction ventilator
Inside the gas suction device of mountain flour dirt, when by large aperture filter plate, primary filtration is carried out, to filter out some biggish miscellaneous
Matter, when long-time uses, there will be impurity to block large aperture filter plate, at this time can be by control motor rotation, to pass through actively
The cooperation of gear and driven gear so that movable screw rasp bar rotates so that movable block it is mobile drive scraper plate fight each other aperture filter plate into
Row strikes off, so that the impurity being mixed on the filter plate of large aperture is fallen into inside the bulk impurity collection box of bottom；
By being equipped with metal fie screen, so that the present apparatus can be filtered again the dusty gas of coarse filtration, lead to
Control water pump is crossed, so that atomizer carries out spray sedimentation to the dusty gas after secondary filter, due on the top of atomizer
Portion is equipped with ultrasonic ultrasonic delay line memory, and ultrasonic ultrasonic delay line memory is internally provided with ceramic atomizing piece, passes through the high frequency of ceramic atomizing piece
Aqueous water minor structure is broken up and generates the elegant water mist of nature by resonance, and a large amount of anion will be discharged in atomization process,
With the smog, the dust that are floated in air etc. generate it is electrostatic react, make its precipitating, while formaldehyde, an oxidation can also be effectively removed
The harmful substances such as carbon, bacterium, are purified air, reduce the generation of disease, so that the efficiency of dust collection of present apparatus entirety is efficient,
And activated-charcoal column is installed at the top of filter plate, activated carbon adsorption filtering can be carried out again to the water after sedimentation filtration, then lead to
It crosses suction hose and water is sucked out, so that water flow can be recycled, economical environment-protective.
Detailed description of the invention
Fig. 1 is the whole structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the large aperture filter plate of the utility model；
Fig. 3 is the enlarged drawing in the utility model Fig. 1 at A.
In figure: 1, pedestal；2, bulk impurity collection box；3, Cantonese suction nozzle；4, large aperture filter plate；5, suction ventilator；6, air draught
Pipe；7, Cantonese air inlet head；8, main box；9, movable screw rasp bar；10, axle sleeve；11, shaft；12, driving motor；13, motor bottom
Seat；14, mounting plate；15, installation cavity；16, universal pipe connecting sleeve；17, water inlet pipe；18, pipe fixing sleeve；19, ultrasonic wave
Atomizer；20, atomizer；21, water-supply-pipe；22, discharge pipe；23, it comes down；24, water pump；25, fixing screws；26, fixed block；
27, engineering for pump housing；28, suction hose；29, activated-charcoal column；30, filter plate；31, metal fie screen；32, partition；33, movable block；
34, scraper plate；91, driven gear；111, driving gear.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of building field high effect dust cleaner technical side
Case, including pedestal 1, main box 8 and installation cavity 15, the inside of pedestal 1 are fixedly installed with bulk impurity collection box 2, pedestal 1
Top is fixedly installed with main box 8, and the top of the inside of main box 8 is fixedly installed with mounting plate 14, and the top of mounting plate 14 is set
It is equipped with installation cavity 15, one end of main box 8 is fixedly installed with aspiration channel 6, and the inside of aspiration channel 6 is fixedly installed with suction ventilator 5,
One end of aspiration channel 6 is fixedly installed with Cantonese suction nozzle 3, and the other end of aspiration channel 6 is fixedly installed with Cantonese air inlet head 7, Cantonese into
The side setting of gas head 7 is provided with certain gap there are two large aperture filter plate 4 between two large aperture filter plates 4, and two big
One end of aperture filter plate 4 is each attached to the bottom of mounting plate 14, and the other end of two large aperture filter plates 4 both passes through 8 He of main box
Pedestal 1 is connected to bulk impurity collection box 2, and movable screw rasp bar 9 is provided between two large aperture filter plates 4, movable screw rasp bar 9
One end passes through mounting plate 14 by axle sleeve 10, and the top of movable screw rasp bar 9 is fixedly installed with driven gear 91, the top of mounting plate 14
Portion is welded with motor base 13, and mounting plate 14 is fixedly installed with driving motor 12 by motor base 13, driving motor 12 it is defeated
Outlet is movably installed with shaft 11, and one end of shaft 11 is fixedly installed with driving gear 111, driving gear 111 and driven gear
91 intermesh, and the middle position inside main box 8 is welded with partition 32, and partition 32 is vertical with the bottom of main box 8, partition
32 inside is fixedly installed with metal fie screen 31, and the side of partition 32 is fixedly installed with filter plate 30, filter plate 30 and partition
32 is orthogonal, and one end of filter plate 30 is provided with landslide 23, come down 23 one end connection main box 8 side wall, and and main tank
There is certain angle between the side wall of body 8, one end of 30 bottom of filter plate is fixedly installed with activated-charcoal column 29, activated-charcoal column 29
Side is provided with suction hose 28, and suction hose 28 is fixedly mounted on the bottom of 8 side wall of main box, suction hose by pipe fixing sleeve 18
28 one end is connected with water pump 24, and the middle position at 24 top of water pump is fixedly installed with water-supply-pipe 21, one end of water-supply-pipe 21
It is fixedly installed with universal pipe connecting sleeve 16, water-supply-pipe 21 is connected with water inlet pipe 17, water inlet pipe by universal pipe connecting sleeve 16
17 are fixedly mounted on the top of 8 side wall of main box by pipe fixing sleeve 18, and one end of water inlet pipe 17 is connected by universal pipeline
Set 16 is connected with ultrasonic ultrasonic delay line memory 19, and the bottom of ultrasonic ultrasonic delay line memory 19 is fixedly installed with atomizer 20.
In order to enable present apparatus overall structure is more stable, in the present embodiment, it is preferred that between pedestal 1 and main box 8
By being welded and fixed.
In order to enable 24 good fixing effect of water pump, shaking will not be generated in use process, in the present embodiment, it is preferred that
The bottom of 24 side of water pump is provided with fixed block 26, and the internal activity of fixed block 26 is equipped with fixing screws 25, the bottom of water pump 24
Portion is provided with engineering for pump housing 27, and engineering for pump housing 27 is welded on the one end at 1 top of pedestal, and water pump 24 passes through fixed block 26 and fixed spiral shell
Nail 25 is fixedly mounted on the top of engineering for pump housing 27.
In order to enable the effect of spray sedimentation is more preferable, by the high-frequency resonant of ceramic atomizing piece, by aqueous water minor structure
It breaks up and generates the elegant water mist of nature, a large amount of anion will be discharged in atomization process, with smog, the powder floated in air
Dirt etc. generates electrostatic reaction, makes its precipitating, while can also effectively remove the harmful substances such as formaldehyde, carbon monoxide, bacterium, makes sky
Gas is purified, and reduces the generation of disease, in the present embodiment, it is preferred that ultrasonic ultrasonic delay line memory 19 is fixedly mounted on mounting plate
Inside 14, and ultrasonic ultrasonic delay line memory 19 is internally provided with ceramic atomizing piece.
For the ease of the dust impurity being attached on large aperture filter plate 4, in the present embodiment, it is preferred that movable screw rasp bar 9
Surface be socketed with movable block 33, the two sides of movable block 33 are welded with scraper plate 34, and movable block 33 being internally provided with it is living
The dynamic mutually matched threaded hole of threaded rod 9.
Gas discharge after for the ease of dedusting, in the present embodiment, it is preferred that the middle position of 8 side of main box
Place is fixedly installed with discharge pipe 22.
Working principle: the utility model is equipped with suction ventilator 5 by being equipped with aspiration channel 6, the inside of aspiration channel 6, uses
Person when by large aperture filter plate 4, can carry out just by suction ventilator 5 by inside the gas suction device containing cement brick mountain flour dirt
Step filtering, to filter out some biggish impurity, when long-time uses, there will be impurity to block large aperture filter plate 4, at this time may be used
It is rotated by control motor 12, thus pass through the cooperation of driving gear 111 and driven gear 91, so that movable screw rasp bar 9 rotates,
Scraper plate 34 is driven to strike off large aperture filter plate 4 so that movable block 33 is mobile, so that being mixed in the impurity on large aperture filter plate 4
It falls into inside the bulk impurity collection box 2 of bottom, by being equipped with metal fie screen 31, so that the present apparatus can be to the powder of coarse filtration
Dust and gas body is filtered again, by controlling water pump 24, so that atomizer 20 carries out the dusty gas after secondary filter
Spray sedimentation, and activated-charcoal column 29 is installed in one end of 30 bottom of filter plate, it can live again to the water after sedimentation filtration
Property charcoal adsorption filtration, then water is sucked out by suction hose 28 so that water flow can be recycled, economical environment-protective.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of building field high effect dust cleaner, including pedestal (1), main box (8) and installation cavity (15), feature exists
In: the inside of the pedestal (1) is fixedly installed with bulk impurity collection box (2), is fixedly installed with master at the top of the pedestal (1)
The top of cabinet (8), the inside of the main box (8) is fixedly installed with mounting plate (14), is set at the top of the mounting plate (14)
It is equipped with installation cavity (15), one end of the main box (8) is fixedly installed with aspiration channel (6), and the inside of the aspiration channel (6) is solid
Dingan County is equipped with suction ventilator (5), and one end of the aspiration channel (6) is fixedly installed with Cantonese suction nozzle (3), the aspiration channel (6) it is another
One end is fixedly installed with Cantonese air inlet head (7), and there are two the side settings of the Cantonese air inlet head (7) large aperture filter plate (4), and two
Certain gap is provided between a large aperture filter plate (4), and one end of two large aperture filter plates (4) is each attached to
The other end of the bottom of the mounting plate (14), two large aperture filter plates (4) both passes through the main box (8) and the bottom
Seat (1) is connected to the bulk impurity collection box (2), is provided with movable screw rasp bar between two large aperture filter plates (4)
(9), one end of the movable screw rasp bar (9) passes through the mounting plate (14) by axle sleeve (10), the movable screw rasp bar (9)
Top is fixedly installed with driven gear (91), is welded with motor base (13), the mounting plate at the top of the mounting plate (14)
(14) it is fixedly installed with driving motor (12) by the motor base (13), the output end activity peace of the driving motor (12)
Equipped with shaft (11), one end of the shaft (11) is fixedly installed with driving gear (111), the driving gear (111) and institute
It states driven gear (91) to intermesh, the internal middle position of the main box (8) is welded with partition (32), the partition
(32) vertical with the bottom of the main box (8), the inside of the partition (32) is fixedly installed with metal fie screen (31), described
The side of partition (32) is fixedly installed with filter plate (30), and the filter plate (30) and the partition (32) are orthogonal, described
One end of filter plate (30) is provided with landslide (23), the side wall of one end connection main box (8) of the landslide (23), and with
There is certain angle between the side wall of the main box (8), one end of filter plate (30) bottom is fixedly installed with active carbon
The side of column (29), the activated-charcoal column (29) is provided with suction hose (28), and the suction hose (28) passes through pipe fixing sleeve
(18) it is fixedly mounted on the bottom of the main box (8) side wall, one end of the suction hose (28) is connected with water pump (24), described
Middle position at the top of water pump (24) is fixedly installed with water-supply-pipe (21), and one end of the water-supply-pipe (21) is fixedly installed with ten thousand
To pipe connecting sleeve (16), the water-supply-pipe (21) is connected with water inlet pipe (17), institute by the universal pipe connecting sleeve (16)
State the top that water inlet pipe (17) are fixedly mounted on the main box (8) side wall by the pipe fixing sleeve (18), the water inlet
One end of pipe (17) is connected with ultrasonic ultrasonic delay line memory (19), the ultrasonic ultrasonic delay line memory by the universal pipe connecting sleeve (16)
(19) bottom is fixedly installed with atomizer (20).
2. a kind of building field high effect dust cleaner according to claim 1, it is characterised in that: the pedestal (1) and institute
It states between main box (8) by being welded and fixed.
3. a kind of building field high effect dust cleaner according to claim 1, it is characterised in that: water pump (24) side
Bottom be provided with fixed block (26), the internal activity of the fixed block (26) is equipped with fixing screws (25), the water pump
(24) bottom is provided with engineering for pump housing (27), and the engineering for pump housing (27) is welded on one end at the top of the pedestal (1), described
Water pump (24) is fixedly mounted on the top of the engineering for pump housing (27) by the fixed block (26) and the fixing screws (25).
4. a kind of building field high effect dust cleaner according to claim 1, it is characterised in that: the ultrasonic ultrasonic delay line memory
(19) it is fixedly mounted on the mounting plate (14) internal, and the ultrasonic ultrasonic delay line memory (19) is internally provided with ceramic atomization
Piece.
5. a kind of building field high effect dust cleaner according to claim 1, it is characterised in that: the movable screw rasp bar
(9) surface is socketed with movable block (33), and the two sides of the movable block (33) are welded with scraper plate (34), and the movable block
(33) be internally provided with and the mutually matched threaded hole of the movable screw rasp bar (9).
6. a kind of building field high effect dust cleaner according to claim 1, it is characterised in that: the main box (8) one
The middle position of side is fixedly installed with discharge pipe (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006557.2U CN209204950U (en) | 2018-12-03 | 2018-12-03 | A kind of building field high effect dust cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006557.2U CN209204950U (en) | 2018-12-03 | 2018-12-03 | A kind of building field high effect dust cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209204950U true CN209204950U (en) | 2019-08-06 |
Family
ID=67462426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822006557.2U Expired - Fee Related CN209204950U (en) | 2018-12-03 | 2018-12-03 | A kind of building field high effect dust cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209204950U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128790A (en) * | 2020-09-02 | 2020-12-25 | 湖南衡兴环保科技开发有限公司 | Quench tower with water circulating and filtering system |
| CN112915702A (en) * | 2021-01-25 | 2021-06-08 | 宋泳明 | A exhaust emission device for chemical plant device |
| CN114225610A (en) * | 2021-11-08 | 2022-03-25 | 安徽同运环保机械有限公司 | Environment-friendly stone powder tank equipment and purification method |
-
2018
- 2018-12-03 CN CN201822006557.2U patent/CN209204950U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128790A (en) * | 2020-09-02 | 2020-12-25 | 湖南衡兴环保科技开发有限公司 | Quench tower with water circulating and filtering system |
| CN112915702A (en) * | 2021-01-25 | 2021-06-08 | 宋泳明 | A exhaust emission device for chemical plant device |
| CN114225610A (en) * | 2021-11-08 | 2022-03-25 | 安徽同运环保机械有限公司 | Environment-friendly stone powder tank equipment and purification method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209204950U (en) | A kind of building field high effect dust cleaner | |
| CN206414921U (en) | A kind of efficiently dedusting fan for building | |
| CN107213739B (en) | Novel high-efficient combined type wet dust collector in colliery | |
| WO2022041795A1 (en) | Novel environmentally friendly dust removal device | |
| CN106984122A (en) | A kind of cleaner | |
| CN209564801U (en) | A kind of Environmental-protecting dust-removing equipment of building engineering construction | |
| CN208626908U (en) | A kind of industrial air cleaning unit | |
| CN213223701U (en) | Dust removal device for mine crusher | |
| CN211328558U (en) | Graphite pulse sack collector | |
| CN109395501A (en) | A kind of plasma air purifier | |
| CN207169334U (en) | A kind of purifying dust-removing device | |
| CN112473305A (en) | Silencing dust remover | |
| CN209092978U (en) | A kind of air deduster easy to use | |
| CN214130923U (en) | High-efficient low-altitude exhaust oil smoke clarifier | |
| CN215505984U (en) | Pulse dust collector is used in processing of gypsum building block | |
| KR200248350Y1 (en) | Vacuum sand blasting apparatus | |
| CN211849179U (en) | Road cleaning dust collector for bridge construction | |
| CN207203740U (en) | Supersonic dust remover | |
| CN211026467U (en) | Negative pressure dust absorption type coarse crusher | |
| CN109603400A (en) | A kind of energy-efficient central dust remover | |
| CN217410243U (en) | Dust collection device for concrete mixing plant | |
| CN215354700U (en) | Building engineering is with grit of convenient clearance and is strained miscellaneous device fast | |
| CN109276963A (en) | A kind of metal and nonmetal mine concentration topical spray dust-extraction unit | |
| CN109893957A (en) | A kind of timber processing dust-extraction unit | |
| CN219580127U (en) | Environment-friendly dust removal equipment for constructional engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20191203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |