CN207457023U - Rock mass discontinuity finely positioning and permeability test section blocking test device - Google Patents
Rock mass discontinuity finely positioning and permeability test section blocking test device Download PDFInfo
- Publication number
- CN207457023U CN207457023U CN201721406799.XU CN201721406799U CN207457023U CN 207457023 U CN207457023 U CN 207457023U CN 201721406799 U CN201721406799 U CN 201721406799U CN 207457023 U CN207457023 U CN 207457023U
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- Prior art keywords
- rock mass
- air bag
- pressure pipe
- test device
- finely positioning
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- 238000012360 testing method Methods 0.000 title claims abstract description 81
- 230000000903 blocking effect Effects 0.000 title claims abstract description 37
- 239000011435 rock Substances 0.000 title claims abstract description 37
- 230000035699 permeability Effects 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 239000000523 sample Substances 0.000 claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 239000000945 filler Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 21
- 238000002474 experimental method Methods 0.000 abstract description 6
- 238000011160 research Methods 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract 1
- 230000000712 assembly Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Rock mass discontinuity finely positioning provided by the utility model and permeability test section blocking test device, intert steel circle pressure pipe in the drilling of rock mass, pressure pipe front end is equipped with compressed water section, compressed water section is equipped with water outlet, and the larger special air bag of slidably expansion rate is respectively equipped on the pressure pipe of water outlet front end and rear end；The front end of compressed water section is equipped with borehole television positioner and reversed waterproof endoscope probe, and rear end is connected with other assemblies (such as water tank, multiple tracks feeder, borehole television implement monitor and reversed waterproof endoscope probe monitoring terminal)；Multiple tracks feeder be connected with each air bag (can as needed drilled feature customization select more than two).Carry out the finely positioning of crack water guide characteristic research for different groups of rock mass discontinuities in rock mass any direction drilling provided by the utility model and coordinative experiments device is tested by system thoroughly；It can adjust as needed and freely change compressed water section length and compressed water section quantity, the test section needed for closing in the range of particular studies.
Description
Technical field
The utility model is related to a kind of rock mass discontinuity finely positionings and permeability test section blocking test device, belong to rock mass
Permeance property detecting devices field.
Background technology
How rock mass inside Multi-scale model face permeance property is effectively assessed, be always be related to it is such as high put it is useless
Object disposes storehouse rock mass discontinuity permeance property assessment prediction.This patent is being taken into full account using drilling, for can in underground engineering
Water guide structure face existing for energy judges, with assessing corollary apparatus, to have developed drilling finely positioning, the reasonable permeability test section circle of embolism
Determine technical thought, the drilling that existing any angle is utilized in underground engineering can be directed to, the duration is not being influenced, judging specific
The infiltration coefficient of structural plane and possible hydraulic connection situation.
Utility model content
The utility model provides a kind of rock mass discontinuity finely positioning and permeability test section in view of the above problems
Blocking test device.
The utility model adopts the following technical solution：
Rock mass discontinuity finely positioning and permeability test section blocking test device, including air bag, water outlet, borehole television is fixed
Position device, borehole television implementation record visualizer, reversed waterproof endoscope probe monitoring terminal, multiple tracks feeder, water tank, steel
Round pressure pipe, reversed waterproof endoscope probe；Steel circle pressure pipe is equipped with water outlet, water outlet epistome and rear portion
Air bag is respectively equipped on the steel circle pressure pipe of no water outlet；The front end of steel circle pressure pipe is equipped with borehole television positioning dress
It puts and is connected with the other end with water tank；Multiple tracks feeder is connected with water tank, and multiple tracks feeder is equipped with borehole television and implements note
Record visualizer and reversed waterproof endoscope probe monitoring terminal, borehole television implementation record visualizer and borehole television positioner
It is connected, reversed waterproof endoscope probe monitoring terminal is connected with reversed waterproof endoscope probe；Reversed waterproof endoscope probe prolongs
Stretch the top for being placed at borehole television positioner.
Rock mass discontinuity finely positioning described in the utility model and permeability test section blocking test device, the air bag
It can be nested with and be slided on steel circle pressure pipe；The sealing blind end of air bag is equipped with steel plate；Shape between two air bags
Into compressed water section, pass through the trial stretch of the spacing adjustment compressed water section between two air bags.
Rock mass discontinuity finely positioning described in the utility model and permeability test section blocking test device, feature exist
In：Filler block is further included, the steel circle pressure pipe is equipped with one end of borehole television positioner and is filled for the blocking test
The front end put, the other end of steel circle pressure pipe are the rear end portion of blocking test device；Air bag on the water outlet
Filler block is respectively equipped on towards the steel plate of the rear end portion of the blocking test device.
Rock mass discontinuity finely positioning described in the utility model and permeability test section blocking test device, described is described
Water outlet metastomium air bag to be detachable.It is detachable that air bag, which is,.
Rock mass discontinuity finely positioning described in the utility model and permeability test section blocking test device, further include extension
Hook, the one side of filler block is equipped with hook on the steel plate end of the air bag.
Rock mass discontinuity finely positioning described in the utility model and permeability test section blocking test device, the water tank
Hydraulic pressure is entered by steel circle pressure pipe by multiple tracks feeder and is flowed out from water outlet；Supply is additionally provided on multiple tracks feeder
Gas is respectively pressed into air bag by pipe, multiple tracks feeder by air supply pipe；Borehole television implementation record visualizer is passed by data
Defeated line, which is penetrated and extended out of steel circle pressure pipe, is connected to borehole television positioner, reversed waterproof endoscope probe monitoring
Terminal is connected to reversed waterproof endoscope probe by penetrating and extending out of steel circle pressure pipe according to transmission line.
Rock mass discontinuity finely positioning described in the utility model and permeability test section blocking test device, further include sealing
Block, the sealing block are arranged in the press-in steel circle pressure pipe of water outlet front end.
It is described in the utility model to be directed to rock mass discontinuity finely positioning and permeability test section blocking test device, for need
It tests rock mass and carries out drilling excavation, experimental enviroment can bore upright opening downwards on the ground to be tested, on the ground of excavation
Drilling at any angle can be directed in down space to be tested, and can also be carried out at the same time experiment to the structural plane in multiple drillings.
It is as follows that device lays step：
1), blocking test device is slowly put into drilling, advances along drilling extending direction, passes through the brill of compressed water section front end
The different structural plane situation in each position in the TV implementation record visualizer observation rock mass of hole；
2) situation of structural plane, is identified according to borehole television, substantially rest on the water outlet of compressed water section needs as needed
At the structural plane to be tested, two balloon positions according to the image information obtained in advance, using thin bar in drilling front and rear tune
Position is saved, until position is corresponding with test position in acquired image, with air pressure capable of being increased to frontal air bag first, expansion is not slided
Afterwards, frontal air bag filler block, the gap between closed front air bag and steel circle pressure pipe are promoted with elongate rod.It is then similary
Method promotes rear end air bag to reach desired position, gives rear end air bag aerating compression swelling, rear to promote filler block closure gap.Extremely
This, forms closed compressed water section between the air bag of two inflations.It then needs to add in the institute for meeting test into water shutoff section
The water of the addition fluorescer of the maximum hydraulic pressure needed, whether there is infiltration field observation by the reversed endoscope probe in front end and rear end,
Leakage problems are whether there is, if any continuing to increase gasbag pressure, sometimes according to needing that impervious material can be smeared on the outside of capsule, enhancing is anti-
Effect is oozed, until anhydrous exudation, can install coordinative experiments content (such as micro- water foam stability module) additional as needed afterwards；
3), joint structure is carried out when borehole television implementation record visualizer reaches to repeat the above steps at next structural plane position
Make image generation record delineation；It finally can finely identify and want permeability test envelope section that can be tested in real time in entire drilling.
Advantageous effect
Rock mass discontinuity finely positioning provided by the utility model can adapt to appoint with permeability test section blocking test device
The needle for trephination for angle of anticipating carries out crack water guide characteristic research to particular group structure face；Compressed water section length can freely be changed, drawn a circle to approve
Pressurized water district section in OK range.
Rock mass discontinuity finely positioning provided by the utility model passes through special rubber with permeability test section blocking test device
(relatively thin before expansion, its diameter can reach the 2 times or more of pre-expansion diameter to skin air bag after expansion, and intensity is higher, high pressure resistant
Up to more than 15Mpa), the stuck problem that collapse hole is brought can be reduced, while can adapt to the drilling of different pore size and arbitrary
Adjust test closing segment length.
After compressed water section water-filling, sealing effect is monitored by reversed endoscope probe.It then can be as needed in compressed water section 5
Outside can fix required sensing module, and by installing, different equipment can carry out packer permeability test or micro- water shakes testing experiment.
Rock mass discontinuity finely positioning provided by the utility model utilizes experiment system with permeability test section blocking test device
Unite leading portion drilling in visualization device can be accurately positioned required for test portion specific location, and can implementation record split
Gap situation forms 360 ° of high definition photo datas, automatic Mosaic, and recordable drilling depth.The apparatus integration integrated level is high, point
Two parts, test portion and multiple tracks feeder and visualizing monitor record integration section, it is easy to disassemble change the outfit it is different
Test set group module, the compressed water generation apparatus of different length.Compressed water generation apparatus can feed back hydraulic pressure etc., Jin Erneng according to live crack situation
Enough definite needs supply vapour pressure.
Description of the drawings
Fig. 1 is the utility model device connection diagram；
Fig. 2 is that the equipment of the utility model slides schematic diagram；
Fig. 3 is the sealing block arrangement states schematic diagram of the utility model；
Fig. 4 is that the utility model device enters rock mass schematic diagram；
Fig. 5 is trystate schematic diagram after the expansion of the utility model device air bag.
1 is transmission line and air bag air supply pipe in figure, and 2 be air bag, and 3 be hook, and 4 be water outlet, and 5 be compressed water section, and 6 be drilling
TV positioner, 7 be borehole television implementation record visualizer, and 8 be reversed waterproof endoscope probe monitoring terminal, and 9 be multiple tracks
Feeder, 10 be water tank, and 11 be filler block, and 12 be steel circle pressure pipe, and 13 be reversed waterproof endoscope probe, and 14 be to add
Enter the water of fluorescer；15 be sealing block.
Specific embodiment
To make the purpose of the utility model embodiment and technical solution clearer, implement below in conjunction with the utility model
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of case.Obviously, described implementation
Example is the part of the embodiment of the utility model, instead of all the embodiments.Implementation based on described the utility model
Example, those of ordinary skill in the art's all other embodiments obtained on the premise of without creative work belong to this
The scope of utility model protection：
As shown in Figure 1 and Figure 2：Rock mass discontinuity finely positioning and permeability test section blocking test device, including transmission line and
Air bag air supply pipe 1, air bag 2, water outlet 4, compressed water section 5, borehole television positioner 6, borehole television implementation record visualizer 7,
Reversed waterproof endoscope probe monitoring terminal 8, multiple tracks feeder 9, water tank 10, steel circle pressure pipe 12；In reversed waterproof
Sight glass probe 13,12 forepart of steel circle pressure pipe are equipped with compressed water section 5, and compressed water section 5 is equipped with water outlet 4,4 forepart of water outlet
And it is respectively equipped with air bag 2 on the compressed water section 5 at rear portion；One end of compressed water section 5 is equipped with borehole television positioner 6, the other end and water
Case 10 is connected；Multiple tracks feeder 9 is connected with water tank 10, and multiple tracks feeder 9 is equipped with borehole television implementation record visualizer 7
With reversed waterproof endoscope probe monitoring terminal 8, borehole television implementation record visualizer 7 is connected with borehole television positioner 6,
Reversed waterproof endoscope probe monitoring terminal 8 is connected with reversed waterproof endoscope probe 13；Reversed waterproof endoscope probe 13 prolongs
Stretch the top for being placed at borehole television positioner 6.Sealing block is arranged in the press-in steel circle pressure pipe of water outlet front end.
Rock mass discontinuity finely positioning and permeability test section blocking test device, air bag 2 is nested with to be slided on steel；Air bag
2 end closed at both ends is equipped with steel plate, in order to be more preferably finely adjusted to the position of its air bag 2, sealing on the steel plate end of air bag 2
The one side of plug 11 is equipped with hook 3；Spacing between two air bags 2 is adjusted, and passes through the spacing between two air bags 2
Control the filled water amount in compressed water section 5.
Rock mass discontinuity finely positioning and the steel circle pressure pipe 12 of permeability test section blocking test device are equipped with drilling
One end of TV positioner 6 is the front end of the blocking test device, and the other end of steel circle pressure pipe 12 tries for closing
The rear end portion of experiment device；In the steel plate of rear end portion of the air bag 2 towards the blocking test device on the water outlet 4 respectively
Equipped with filler block 11.
The air bag 2 at 4 rear portion of water outlet (being) is detachable；As shown in Figure 3：Experimental rig is steadily pushed into
In the drilling of required test, the structural plane of test required for being searched and being recorded by front end borehole television implementation record visualizer 7
Position.
As shown in Figure 4：Rock mass discontinuity finely positioning and permeability test section blocking test device, water tank 10 are supplied by multiple tracks
The hydraulic pressure for adding in fluorescer is entered 12 water outlet 4 of steel circle pressure pipe and gone out by device of air 9；Multiple tracks feeder 9 is additionally provided with supply
The water 14 for adding in fluorescer is pressed into compressed water section 5 by pipe, multiple tracks feeder 9 by the water tank that air supply pipe connects；Reversed waterproof
Endoscope probe monitoring terminal 8 is entered and extended by steel circle pressure pipe 12 respectively is connected to reversed waterproof endoscope probe
13 are connected, and monitoring head end test whether there is water leakage situation.
When being tested in the drilling in underground excavation space, the drilling of test required for device is pushed into, according to dress
The borehole television of the leading portion implementation record paragraph position of required compressed water section during pushing ahead is put, will be tested
Device is put into drilling at joint, and passes through elongated rod shape U-shaped hook, withstands 2 steel plate end of air bag and air bag 2 is promoted to slide, can also
It catches on 3 air bag 2 of pulling back of hook to be finely adjusted the spacing of compressed water section 5, is accurately positioned compressed water section；After the location determination of compressed water section 5,
Supplying to inflate in compression swelling elder generation forward end air bag 2 by multiple tracks feeder expands it and is adjacent to drill hole inner wall, by filler block
11 fill in the gap between air bag 2 and steel circle pressure pipe 12, similary to adjust to after suitable position, then are filled in the air bag of rear end
Gas expands it and is adjacent to drill hole inner wall, and filler block 11 filled in the gap between air bag 2 and steel circle pressure pipe 12, two
Closed compressed water section is formed between the air bag of inflation, and water body is passed through in backward compressed water section.The water 14 for adding in fluorescer is logical
After entering observation whether there is leak, if any, continue increase gasbag pressure simultaneously it is necessary in the case of balloon surface smear antiseepage
Material, until ne-leakage, so far device is provided with.
Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein are (including technology art
Language and scientific terminology) there is the meaning identical with the general understanding of the those of ordinary skill in the utility model fields.Also
It should be understood that those terms such as defined in the general dictionary should be understood that with in the context of the prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with the meaning of idealization or overly formal.
The above is only the preferable specific embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, can be readily occurred in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection scope in claims.
Claims (8)
1. rock mass discontinuity finely positioning and permeability test section blocking test device, it is characterised in that：Including air bag (2), water outlet
Mouth (4), borehole television positioner (6), borehole television implementation record visualizer (7), reversed waterproof endoscope probe monitoring is eventually
It holds (8), multiple tracks feeder (9), water tank (10), steel circle pressure pipe (12), reversed waterproof endoscope probe (13)；Steel
Circular pressure pipe (12) is equipped with the steel circle pressure pipe without water outlet of water outlet (4), water outlet (4) forepart and rear portion
(12) front end that air bag (2) steel circle pressure pipe (12) is respectively equipped on is equipped with borehole television positioner (6) and the other end
It is connected with water tank (10)；Multiple tracks feeder (9) is connected with water tank (10), and it is real that multiple tracks feeder (9) is equipped with borehole television
Hourly observation instrument (7) and reversed waterproof endoscope probe monitoring terminal (8) are applied, borehole television implementation record visualizer (7) is with boring
Hole TV positioner (6) is connected, reversed waterproof endoscope probe monitoring terminal (8) and reversed waterproof endoscope probe (13) phase
Even；Reversed waterproof endoscope probe (13) extension is placed at the top of borehole television positioner (6).
2. rock mass discontinuity finely positioning according to claim 1 and permeability test section blocking test device, feature exist
In：The air bag (2) can be nested with to be slided on steel circle pressure pipe (12)；The sealing blind end of air bag (2) is equipped with steel
Plate；Compressed water section (5) is formed between two air bags (2), compressed water section (5) is adjusted by the spacing between two air bags (2)
Trial stretch.
3. rock mass discontinuity finely positioning according to claim 1 or 2 and permeability test section blocking test device, feature
It is：Filler block (11) is further included, one end that the steel circle pressure pipe (12) is equipped with borehole television positioner (6) is
The front end of the blocking test device, the other end of steel circle pressure pipe (12) are the rear end portion of blocking test device；It is described
Water outlet (4) on air bag (2) towards being respectively equipped with filler block (11) in the steel plate of the rear end portion of the blocking test device.
4. rock mass discontinuity finely positioning according to claim 3 and permeability test section blocking test device, feature exist
In：It is detachable that the air bag (2), which is,.
5. rock mass discontinuity finely positioning according to claim 1 and permeability test section blocking test device, feature exist
In：The air bag (2) can set multigroup；Multiple compressed water sections are formed between multigroup air bag (2).
6. rock mass discontinuity finely positioning according to claim 3 and permeability test section blocking test device, feature exist
In：Further include hook (3), the one side of filler block (11) is equipped with hook (3) on the steel plate end of the air bag (2).
7. rock mass discontinuity finely positioning according to claim 1 and permeability test section blocking test device, feature exist
In：Borehole television implementation record visualizer (7) is penetrated out of steel circle pressure pipe (12) by data line and extends company
It is connected to borehole television positioner (6)；Air supply pipe is additionally provided on multiple tracks feeder (9), multiple tracks feeder (9) passes through supply
Gas is respectively pressed into expansion in air bag (2) by pipe；Fluorescence will be carried in the water tank (10) by multiple tracks feeder (9)
Water (14) the press-in steel circle pressure pipe (12) of agent is simultaneously flowed out from water outlet (4)；Reversed waterproof endoscope probe (13) passes through
Data line, which is penetrated and extended out of steel circle pressure pipe (12), is connected to reversed waterproof endoscope probe monitoring terminal
(8)。
8. rock mass discontinuity finely positioning according to claim 1 and permeability test section blocking test device, feature exist
In：Sealing block (15) is further included, the sealing block (15) is arranged in the press-in steel circle pressure pipe of water outlet (4) front end
(12) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406799.XU CN207457023U (en) | 2017-10-23 | 2017-10-23 | Rock mass discontinuity finely positioning and permeability test section blocking test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406799.XU CN207457023U (en) | 2017-10-23 | 2017-10-23 | Rock mass discontinuity finely positioning and permeability test section blocking test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207457023U true CN207457023U (en) | 2018-06-05 |
Family
ID=62281949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721406799.XU Expired - Fee Related CN207457023U (en) | 2017-10-23 | 2017-10-23 | Rock mass discontinuity finely positioning and permeability test section blocking test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207457023U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540768A (en) * | 2019-01-22 | 2019-03-29 | 南京大学 | A kind of packer permeability test system in situ for specific fissure-plane hydraulic aperture |
| CN113984627A (en) * | 2021-10-30 | 2022-01-28 | 河北地质大学 | Rock stratum permeability testing device |
| CN114486671A (en) * | 2021-12-16 | 2022-05-13 | 广东省交通规划设计研究院集团股份有限公司 | Intelligent conveying embolism pressurized-water test device for cross-ridge tunnel ultra-deep drilling |
| CN116973291A (en) * | 2023-09-21 | 2023-10-31 | 石家庄铁道大学 | Rock stratum water pressure in-situ stability and transient integrated permeability measurement device |
-
2017
- 2017-10-23 CN CN201721406799.XU patent/CN207457023U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540768A (en) * | 2019-01-22 | 2019-03-29 | 南京大学 | A kind of packer permeability test system in situ for specific fissure-plane hydraulic aperture |
| CN109540768B (en) * | 2019-01-22 | 2021-07-02 | 南京大学 | In-situ water pressing test system for specific fracture surface hydraulic opening degree |
| CN113984627A (en) * | 2021-10-30 | 2022-01-28 | 河北地质大学 | Rock stratum permeability testing device |
| CN113984627B (en) * | 2021-10-30 | 2024-03-26 | 河北地质大学 | Rock stratum permeability testing device |
| CN114486671A (en) * | 2021-12-16 | 2022-05-13 | 广东省交通规划设计研究院集团股份有限公司 | Intelligent conveying embolism pressurized-water test device for cross-ridge tunnel ultra-deep drilling |
| CN114486671B (en) * | 2021-12-16 | 2023-12-22 | 广东省交通规划设计研究院集团股份有限公司 | Intelligent transmission embolism water pressure test device for ultra-deep drilling of cross-over tunnel |
| CN116973291A (en) * | 2023-09-21 | 2023-10-31 | 石家庄铁道大学 | Rock stratum water pressure in-situ stability and transient integrated permeability measurement device |
| CN116973291B (en) * | 2023-09-21 | 2023-12-19 | 石家庄铁道大学 | Rock stratum water pressure in-situ stability and transient integrated permeability measurement device |
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| 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: 20180605 Termination date: 20181023 |