CN206737872U - Carrying type deep sea mineral resources core drilling rig - Google Patents
Carrying type deep sea mineral resources core drilling rig Download PDFInfo
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- CN206737872U CN206737872U CN201720581836.4U CN201720581836U CN206737872U CN 206737872 U CN206737872 U CN 206737872U CN 201720581836 U CN201720581836 U CN 201720581836U CN 206737872 U CN206737872 U CN 206737872U
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- power rotation
- drill frame
- rotation system
- guide rail
- main shaft
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Abstract
Carrying type deep sea mineral resources core drilling rig, including drill frame, core bit, power rotation system, flushing dreg removing system, drilling lifting system and carrying mounting interface；Power rotation system is slidably connected with drill frame, dreg removing system is rinsed to be installed in power rotation system, power rotation system is connected with core bit, drilling lifting system is installed in drill frame, drilling lifting system is connected with power rotation system, carries mounting interface and is installed on drill frame back.The utility model is simple in construction, compact, small volume, light weight, reliability are high, it can be equipped on manned submersible or underwater robot, moved freely with it in mining area, it can be achieved to take location at random, i.e. in the mining area of seabed when the specific distribution situation and unknown seam thickness of mineral resources, when manned submersible or underwater remote-control robot carry this rig and moved in mining area, it can arbitrarily choose arbitrfary point and be sampled work, convenience is high, and transfers and reclaim conveniently.
Description
Technical field
It the utility model is related to a kind of carrying type deep sea mineral resources core drilling rig.
Background technology
Existing deep-sea core drilling rig, volume is more huge, no walking function.If desired adjust rig and sit bottom position, need
Optical cable is driven to realize that rig relocates by mobile lash ship.In the case of the complicated geology of deep-sea, addressing, positioning hardly possible are often faced
The problem of.At present, manned submersible（Such as flood dragon number）, and have cable underwater robot (ROV) extensively using Yu Haiyang mineral mining, water
All many-sides such as lower engineering construction, sea-going rescue and salvaging, military affairs and national defense construction, rig can be preferably aided in complete mining area default
Point exploitation task.But when carrying out sample research by addressing coring in mining area, the use limitation of existing deep sea drill is larger.
Weigh more than 5t in the existing general air of conventional drilling machine, and profile frame size is typically in 2m × 2m × more than 4m, knot
Structure is complicated, and quality is overweight, and generally require underwater remote-control robot during decentralization surveys seabed in advance, selects flatness region up to standard to supply
It is sat basic skill or training and made；That is, need to first pass through underwater remote-control robot addressing, then again by rig to the address sought at
Realization drills through.And rig can only lean on lash ship movement to drag, the mining area for being only applicable to complete exploration is entered without from locomotive function
Row fixed point core work, is not suitable for being equipped on manned submersible and cable underwater robot (ROV), can not realize and take location at random.
Utility model content
The technical problems to be solved in the utility model is to overcome drawbacks described above existing for prior art, there is provided a kind of structure
Simply, the carrying type deep sea mineral resources core drilling rig that can be equipped on manned submersible and cable underwater robot (ROV).
Technical scheme is used by the utility model solves its technical problem：
Carrying type deep sea mineral resources core drilling rig, including drill frame, power rotation system, rinse dreg removing system, take
Core drilling tool, drilling lifting system and carrying mounting interface.Power rotation system is slidably connected with drill frame, rinses dreg removing system
It is installed in power rotation system, power rotation system is connected with core bit, and drilling lifting system is installed in drill frame,
Drilling lifting system is connected with power rotation system, carries mounting interface and is installed on drill frame back.
The carrying mounting interface of the carrying type deep sea mineral resources core drilling rig of the utility model can be consolidated by bolt and nut
Due to manned submersible or have on cable underwater robot.
Further, drill frame is provided with guide rail.
Further, power rotation system（Abbreviation unit head）Including hydraulic rotary motor, bearing block, guide rail sliding plate, main shaft
With to water jacket.The guide rail sliding plate of power rotation system is installed on the guide rail of drill frame.Power rotation system is slided by guide rail
Plate can slide on the guide rail of drill frame.Bearing block is connected with guide rail sliding plate, and hydraulic rotary motor is installed on bearing block upper end
Face, bearing block lower surface is installed on to water jacket, bearing block and is provided with through hole to water jacket center, main shaft upper end passes through bearing block center
Through hole and it is connected to the output shaft fixed connection after water jacket central through hole with hydraulic rotary motor, main shaft lower end with core bit.Pass through
The main shaft of power rotation system can drive core bit to turn round.Main shaft lower end is provided with axial center hole, in the axial direction of main shaft lower end
Heart hole connects with the axial center hole of core bit.Main shaft lower end is provided with the transverse holes connected with axial center hole, to water jacket one
Side is also provided with transverse holes, and the transverse holes to water jacket connect with the transverse holes of main shaft lower end.
Further, rinse dreg removing system to be installed on the bearing block of unit head, lifted with unit head.Rinse dreg removing system bag
Include gear motor, adapter sleeve, gear pump and flushing of hydraulic pipeline.Motor mount plate is installed on the bearing block of power rotation system
With gear pump installing plate, gear motor is installed in motor mount plate, and gear pump is installed on gear pump installing plate.Gear motor
It is connected by adapter sleeve with gear pump, ensures that both rotating speeds are identical.Gear pump is connected with flushing of hydraulic pipeline, flushing of hydraulic pipeline
Stretch into the transverse holes to water jacket.
Further, core bit center is provided with axial center hole.Core bit is outsourcing existing product.
Further, drilling lifting system includes hydraulic cylinder, steel cable Bei Cheng mechanisms and aperture centralizer.Steel cable Bei Cheng mechanisms bag
Include top block group, bottom assembly pulley, running block and two steel wire ropes, top block group and be installed on the inside top of drill frame, bottom
Assembly pulley is installed on the bottom inside of drill frame.Running block is located between top block group and bottom assembly pulley.A wherein steel
Cord one end is fixed on drill frame after bypassing top block group, and the other end is led after bypassing running block with power rotation system
Rail slide plate is connected.Another steel cable one end is fixed on drill frame after bypassing bottom assembly pulley, and the other end bypasses running block
The guide rail sliding plate with power rotation system is connected afterwards.Running block is fixed on the tailpiece of the piston rod of hydraulic cylinder, and the cylinder barrel of hydraulic cylinder is consolidated
It is scheduled on drill frame.Aperture centralizer is arranged on the bottom outside of drill frame.
Further, drilling tool head is provided with drill bit, and drill bit includes drill body and is embedded in the alloy of drill body outer ring
Tooth, the outer ring footpath of carbide button are more than drill body external diameter and drilling tool external diameter.
This rig is integrated by function（Dreg removing system is rinsed to be installed in power rotation system）, complete machine lightweight sets
Meter, makes rig to be equipped on manned submersible or has cable underwater robot (ROV), follow it to carry out taking for random addressing in mining area
Core works.
Drill frame can be aluminium alloy or titanium alloy welding component.It is different from existing rig and uses carbon steel, using aluminium alloy,
Exceed 60% than carbon steel material loss of weight；Using titanium alloy, exceed 40% than carbon steel material loss of weight.
Dreg removing system will be rinsed and the power rotation system integration is installed together, integrated and rinse dreg removing system in power rotation
On the unit head of system, maximum appearance and size volume, the rig reduction than identical coring length ability exceedes 80%.After integrated, protecting
Under the premise of demonstrate,proving feature, machine volume is advantageously reduced, mitigates main screw lift, shorten fluid pressure line and flushing line length to drop
Low pressure drop, reduce Overall Power Consumption.
The utility model is simple in construction, compact, small volume, light weight, reliability are high, can be equipped on manned submersible or underwater
In robot, moved freely with it in mining area, can be achieved to take location at random, without first addressing.Mineral resources in the mining area of seabed
When specific distribution situation and unknown seam thickness, manned submersible or underwater remote-control robot（ROV）This rig is carried in mining area
When mobile, it can arbitrarily choose arbitrfary point and be sampled work, convenience is high.In the effect of manned submersible or underwater remote-control robot
Under, rig decentralization and recovery are convenient, disclosure satisfy that the requirements under the bad working environments of deep sea drill core sampling, can conveniently, reliably
Ground provides sample for the scientific research of deep sea mineral resources.The utility model meets with underwater robot（ROV）Carried out for platform
The trend of expanded function.
Brief description of the drawings
Fig. 1 is the front view of the utility model carrying type deep sea mineral resources core drilling rig；
Fig. 2 is the left view of carrying type deep sea mineral resources core drilling rig shown in Fig. 1；
Fig. 3 is the top view of carrying type deep sea mineral resources core drilling rig shown in Fig. 1；
Fig. 4 is the rearview of carrying type deep sea mineral resources core drilling rig shown in Fig. 1；
Fig. 5 is the power rotation system of carrying type deep sea mineral resources core drilling rig shown in Fig. 1 and rinses dreg removing system group
Sectional view after dress；
Fig. 6 is the bearing block three-dimensional structure diagram of carrying type deep sea mineral resources core drilling rig shown in Fig. 1；
Fig. 7 is the three-dimensional structure diagram of the guide rail sliding plate of carrying type deep sea mineral resources core drilling rig shown in Fig. 1；
Fig. 8 is the three-dimensional structure diagram to water jacket of carrying type deep sea mineral resources core drilling rig shown in Fig. 1.
In figure：1 --- drill frame；2 --- power rotation system；2-1 --- hydraulic rotary motor；2-2 --- bearing
Seat；2-3 --- guide rail sliding plate；2-4 --- main shaft；2-4-1 --- the axial center hole of main shaft lower end；2-4-2 --- main shaft is horizontal
Xiang Kong；2-5 --- to water jacket；2-5-1 --- give water jacket transverse holes；3 --- rinse dreg removing system；3-1 --- gear motor；3-
2 --- adapter sleeve；3-3 --- gear pump；3-4 --- flushing of hydraulic pipeline；4 --- core bit；5 --- drilling lifting system
System；6 --- carry mounting interface.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Referring to the drawings, carrying type deep sea mineral resources core drilling rig, including drill frame 1, power rotation system 2, flushing
Dreg removing system 3, core bit 4, drilling lifting system 5 and carrying mounting interface 6.Power rotation system 2 is slided with drill frame 1
Connection, rinse dreg removing system 3 and be installed in power rotation system 2, power rotation system 2 is connected with core bit 4, drilling lifting
System 5 is installed in drill frame 1, and drilling lifting system 5 is connected with power rotation system 2, is carried mounting interface 6 and is installed on brill
The back of machine frame 1.
The carrying mounting interface 6 of the carrying type deep sea mineral resources core drilling rig of the utility model can be consolidated by bolt and nut
Due to manned submersible or have on cable underwater robot.
Drill frame 1 is provided with guide rail（Not shown in figure）.Drill frame 1 can be aluminium alloy or titanium alloy welding component.
It is different from existing rig and uses carbon steel, using aluminium alloy, exceedes 60% than carbon steel material loss of weight；Using titanium alloy, than carbon steel material
Material loss of weight exceedes 40%.
Power rotation system 2（Abbreviation unit head）Including hydraulic rotary motor 2-1, bearing block 2-2, guide rail sliding plate 2-3, master
Axle 2-4 and give water jacket 2-5.The guide rail sliding plate 2-3 of power rotation system 2 is installed on the guide rail of drill frame 1.Power rotation system
System 2 can be slided by guide rail sliding plate 2-3 on the guide rail of drill frame 1.Bearing block 2-2 passes through welding or bolt and nut and guide rail
Slide plate 2-3 is connected, and hydraulic rotary motor 2-1 is installed on bearing block 2-2 upper surfaces by screw, is pacified to water jacket 2-5 by screw
Through hole is provided with loaded on bearing block 2-2 lower surfaces, bearing block 2-2 and to water jacket 2-5 centers, main shaft 2-4 upper ends pass through bearing block 2-2
Central through hole and to the output shaft fixed connection after water jacket 2-5 central through holes with hydraulic rotary motor 2-1, main shaft 2-4 lower ends and coring
Drilling tool 4 is connected.By the main shaft 2-4 of power rotation system 2 core bit 4 can be driven to turn round.Main shaft 2-4 lower ends are provided with axial direction
The axial center hole 2-4-1 of heart hole 2-4-1, main shaft 2-4 lower end connects with the axial center hole of core bit 4.Main shaft 2-4 lower ends
The transverse holes 2-4-2 connected with axial center hole 2-4-1 is provided with, transverse holes 2-5-1 is also provided with to water jacket 2-5 sides, to water jacket
The transverse holes 2-4-2 of 2-5 transverse holes 2-5-1 and main shaft 2-4 lower end is connected.
Rinse dreg removing system 3 to be installed on the bearing block 2-2 of unit head, lifted with unit head.Rinsing dreg removing system 3 includes
Gear motor 3-1, adapter sleeve 3-2, gear pump 3-3 and flushing of hydraulic pipeline 3-4.Pacify on the bearing block 2-2 of power rotation system 2
Equipped with motor mount plate（Not shown in figure）With gear pump installing plate（Not shown in figure）, gear motor 3-1 passes through bolt and nut
It is installed in motor mount plate, gear pump 3-3 is installed on gear pump installing plate by bolt and nut.Gear motor 3-1 passes through
Adapter sleeve 3-2 is connected with gear pump 3-3, ensures that both rotating speeds are identical.Gear pump 3-3 is connected with flushing of hydraulic pipeline 3-4, rinses
Fluid pressure line 3-4 is stretched into the transverse holes 2-5-1 to water jacket 2-5.
The center of core bit 4 is provided with axial center hole.Core bit 4 is outsourcing existing product.
Drilling lifting system 5 includes hydraulic cylinder（Not shown in figure）, steel cable Bei Cheng mechanisms（Not shown in figure）Helped with aperture
Positive device（Not shown in figure）.Steel cable Bei Cheng mechanisms include top block group（Not shown in figure）, bottom assembly pulley（Not shown in figure）, it is dynamic
Assembly pulley（Not shown in figure）With two steel wire ropes（Not shown in figure）, top block group is installed on drill frame by bolt and nut
1 inside top, bottom assembly pulley are installed on the bottom inside of drill frame 1 by bolt and nut.Running block is slided located at top
Between wheel group and bottom assembly pulley.Wherein steel cable one end bypass top block group after be fixed on drill frame 1, the other end around
It is connected after crossing running block with the guide rail sliding plate 2-3 of power rotation system 2.Another steel cable one end is around solid after the assembly pulley of bottom
Due on drill frame 1, the other end is connected after bypassing running block with the guide rail sliding plate 2-3 of power rotation system 2.Running block
The tailpiece of the piston rod of hydraulic cylinder is fixed on by bolt and nut, the cylinder barrel of hydraulic cylinder is fixed on drill frame 1 by bearing pin.Aperture
Centralizer is arranged on the bottom outside of drill frame 1 by bolt and nut.
Drilling tool head is provided with drill bit, and drill bit includes drill body and is embedded in the carbide button of drill body outer ring, alloy
The outer ring footpath of tooth is more than drill body external diameter and drilling tool external diameter.
During work, stretch out and shrink by the piston rod of hydraulic cylinder, drive running block to be moved upwardly or downwardly, movable pulley
Group drives guide rail sliding plate to be slided up or down on the guide rail of drill frame 1 by steel wire rope, so as to realize to whole power
Rotary system 2 is the control of unit head up-downgoing, realizes the lifting and decentralization of core bit 4, and drilling pressure is provided for drilling process
Power controls, and provides to collect rock core and pulls out mental and physical efforts.
By hydraulic rotary motor 2-1 main shaft 2-4 can be driven to rotate, and then drive core bit 4 to turn round.Hydraulic gyration horse
There is low speed rotating forward, the at a high speed function such as rotating forward and low velocity reversion up to 2-1, coordinate different the pressure of the drill, realize optimal drilling effect.Tooth
Wheel motor 3-1 driving gear pumps 3-3 provides pressurized sea water.Pressurized sea water is through flushing of hydraulic pipeline 3-4, the transverse direction to water jacket 2-5
Hole 2-5-1, the transverse holes 2-4-2 of main shaft 2-4 lower ends flow into the axial center hole 2-4-1 of main shaft 2-4 lower ends.Flow into main shaft 2-4
Lower end axial center hole 2-4-1 pressurized sea water flows to what drill bit was drilled after the axial center hole and drill bit of core bit 4
Bottom hole.Because drill bit produces cylindrical hole in drilling, and is inlayed because drilling tool external diameter is respectively less than with drill body external diameter
In the carbide button outer ring footpath of drill body outer ring, so forming annular space between the hole wall in the hole drilled out and drilling tool outer wall.Should
Annular space will be used for rock slag caused by discharge drilling.Because gear pump continues seawater being pressed into drilling tool, therefore flushing liquor（That is pressure
Seawater）It after drill bit outflow, can be flowed out at this pressure along annular space to orifice end, and take rock slag out of, realize hole drilling deslagging
With cooling drill bit.
The carrying type deep sea mineral resources core drilling rig of the utility model is mainly used in shallow-layer sampling, so need to only carry brill
Tool, it is not equipped with drill pipe storage and drilling tool maintaining body.The carrying type deep sea mineral resources core drilling rig of the utility model is used
When non-shallow-layer samples, the drilling rod is equipped with corresponding drill pipe storage and drilling tool maintaining body and can be found in Application No.
201520129297.1 Chinese patent.
A kind of preferred embodiment of the present utility model is discussed in detail above.The embodiment is only
It is to be used to help understand core concept of the present utility model.It should be pointed out that to those of ordinary skill in the art, not
On the premise of departing from the utility model principle, some improvement and modification can also be carried out to the utility model, these improve and repaiied
Decorations fall within the protection domain of the utility model claims.
Claims (5)
1. carrying type deep sea mineral resources core drilling rig, including drill frame, core bit, it is characterised in that also including power
Rotary system, rinse dreg removing system, drilling lifting system and carry mounting interface；Power rotation system is slided with drill frame to be connected
Connect, rinse dreg removing system and be installed in power rotation system, power rotation system is connected with core bit, drilling lifting system peace
Loaded in drill frame, drilling lifting system is connected with power rotation system, carries mounting interface and is installed on drill frame back.
2. carrying type deep sea mineral resources core drilling rig according to claim 1, it is characterised in that drill frame is provided with
Guide rail；Power rotation system includes hydraulic rotary motor, bearing block, guide rail sliding plate, main shaft and to water jacket；Power rotation system
Guide rail sliding plate is installed on the guide rail of drill frame；Power rotation system is slided by guide rail sliding plate on the guide rail of drill frame
It is dynamic；Bearing block is connected with guide rail sliding plate, and hydraulic rotary motor is installed on bearing block upper surface, and bearing block lower end is installed on to water jacket
Face, bearing block and is provided with through hole to water jacket center, main shaft upper end through bearing block central through hole and to after water jacket central through hole with
The output shaft fixed connection of hydraulic rotary motor, main shaft lower end are connected with core bit；Driven and taken by the main shaft of power rotation system
Core drilling tool turns round；Main shaft lower end is provided with axial center hole, the axial center hole of main shaft lower end and the axial center hole of core bit
Connection；Main shaft lower end is provided with the transverse holes connected with axial center hole, is also provided with transverse holes to water jacket side, the transverse direction to water jacket
Hole connects with the transverse holes of main shaft lower end.
3. carrying type deep sea mineral resources core drilling rig according to claim 2, it is characterised in that rinse dreg removing system bag
Include gear motor, adapter sleeve, gear pump and flushing of hydraulic pipeline；Motor mount plate is installed on the bearing block of power rotation system
With gear pump installing plate, gear motor is installed in motor mount plate, and gear pump is installed on gear pump installing plate；Gear motor
It is connected by adapter sleeve with gear pump, gear pump is connected with flushing of hydraulic pipeline, and flushing of hydraulic pipeline stretches into the transverse direction to water jacket
Kong Zhong.
4. carrying type deep sea mineral resources core drilling rig according to claim 1 or 2, it is characterised in that drilling lifting system
System includes hydraulic cylinder and steel cable Bei Cheng mechanisms；Steel cable Bei Cheng mechanisms include top block group, bottom assembly pulley, running block and two steel
Cord, top block group are installed on the inside top of drill frame, and bottom assembly pulley is installed on the bottom inside of drill frame；Movable pulley
It is mounted between top block group and bottom assembly pulley；Wherein drill frame is fixed in steel cable one end after bypassing top block group
On, the other end is connected after bypassing running block with the guide rail sliding plate of power rotation system；Slided the bottom of around another steel cable one end
It is fixed on after wheel group on drill frame, the other end is connected after bypassing running block with the guide rail sliding plate of power rotation system；It is dynamic to slide
Wheel group is fixed on the tailpiece of the piston rod of hydraulic cylinder, and the cylinder barrel of hydraulic cylinder is fixed on drill frame.
5. carrying type deep sea mineral resources core drilling rig according to claim 4, it is characterised in that drilling lifting system is also
Including aperture centralizer, aperture centralizer is arranged on the bottom outside of drill frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720581836.4U CN206737872U (en) | 2017-05-24 | 2017-05-24 | Carrying type deep sea mineral resources core drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720581836.4U CN206737872U (en) | 2017-05-24 | 2017-05-24 | Carrying type deep sea mineral resources core drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206737872U true CN206737872U (en) | 2017-12-12 |
Family
ID=60567901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720581836.4U Expired - Fee Related CN206737872U (en) | 2017-05-24 | 2017-05-24 | Carrying type deep sea mineral resources core drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206737872U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988696A (en) * | 2017-05-24 | 2017-07-28 | 长沙矿山研究院有限责任公司 | Carrying type deep sea mineral resources core drilling rig |
| CN108386188A (en) * | 2018-04-13 | 2018-08-10 | 国家海洋局第海洋研究所 | A kind of underwater robot can portable horizontal direction geological sampling drilling tool |
| CN109030072A (en) * | 2018-07-30 | 2018-12-18 | 浙江大学 | A kind of multitube vibration sampler drill based on underwater ROV |
| CN112253001A (en) * | 2020-09-04 | 2021-01-22 | 中国地质科学院勘探技术研究所 | Forced separation device for drilling tools of submarine drilling rig |
| CN114233176A (en) * | 2021-12-21 | 2022-03-25 | 海南浙江大学研究院 | Rotary drilling power head based on deep sea submarine drilling rig |
| CN116905968A (en) * | 2023-09-08 | 2023-10-20 | 中交第一航务工程局有限公司 | Beach rock drilling device |
-
2017
- 2017-05-24 CN CN201720581836.4U patent/CN206737872U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988696A (en) * | 2017-05-24 | 2017-07-28 | 长沙矿山研究院有限责任公司 | Carrying type deep sea mineral resources core drilling rig |
| CN108386188A (en) * | 2018-04-13 | 2018-08-10 | 国家海洋局第海洋研究所 | A kind of underwater robot can portable horizontal direction geological sampling drilling tool |
| CN109030072A (en) * | 2018-07-30 | 2018-12-18 | 浙江大学 | A kind of multitube vibration sampler drill based on underwater ROV |
| CN109030072B (en) * | 2018-07-30 | 2020-05-22 | 浙江大学 | Multi-tube vibration sampling drilling machine based on underwater ROV |
| CN112253001A (en) * | 2020-09-04 | 2021-01-22 | 中国地质科学院勘探技术研究所 | Forced separation device for drilling tools of submarine drilling rig |
| CN114233176A (en) * | 2021-12-21 | 2022-03-25 | 海南浙江大学研究院 | Rotary drilling power head based on deep sea submarine drilling rig |
| CN114233176B (en) * | 2021-12-21 | 2024-02-23 | 海南浙江大学研究院 | Rotary drilling power head based on deep sea seabed drilling machine |
| CN116905968A (en) * | 2023-09-08 | 2023-10-20 | 中交第一航务工程局有限公司 | Beach rock drilling device |
| CN116905968B (en) * | 2023-09-08 | 2023-12-12 | 中交第一航务工程局有限公司 | Beach rock drilling device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20190524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |