CN106223883A - Earth drilling device - Google Patents
Earth drilling device Download PDFInfo
- Publication number
- CN106223883A CN106223883A CN201610835072.7A CN201610835072A CN106223883A CN 106223883 A CN106223883 A CN 106223883A CN 201610835072 A CN201610835072 A CN 201610835072A CN 106223883 A CN106223883 A CN 106223883A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- resilient sleeve
- water
- drilling device
- earth drilling
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000007788 liquid Substances 0.000 claims description 12
- 239000013589 supplement Substances 0.000 claims description 9
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to a kind of earth drilling device, including drilling rod, resilient sleeve, storage tank and the water pump being positioned at storage tank, the bottom of storage tank is provided with through hole, through hole is located at by resilient sleeve plug, and one end of resilient sleeve is positioned at storage tank, the other end stretches out storage tank, and drilling rod is provided with one end of drill bit and is positioned at resilient sleeve, the other end passes storage tank, and the water passage system of drilling rod connects with the outlet of described water pump.Owing to resilient sleeve has elasticity, during boring, resilient sleeve is scalable is pressed in ground, one sealed cistern of formation is combined with ground, earth sandstone enters in resilient sleeve along with current, and is spilled in storage tank from resilient sleeve, will not be discharged to urban Underground pipeline, avoid urban Underground pipeline is resulted in blockage, reduce environmental pollution；And the water in entrance storage tank is delivered to the water system of drilling rod again by water pump, enable water to be recycled, save water resource.
Description
Technical field
The present invention relates to earth drilling technical field, particularly to a kind of earth drilling device.
Background technology
Along with tunnel and underground space high intensity are developed and the Fast Construction of railway traffic engineering, the engineering properties of ground is subject to
Having arrived the great attention of the relevant construction units such as Construction Company, designing institute, unit in charge of construction, during underground development, geology is bored
Owing to volume is little and conveniently moving, find broad application in city construction engineering.Rig needs constantly to provide in boring procedure
Water source could work by stability and high efficiency, and traditional water system is persistently to be supplied water by water storage vehicle, generally bores the water consumption of 20 metre hole
About 500 liters, water consumption is very big, often causes, because of insufficient water, phenomenon of cannot spudding at the construction field (site)；And at boring procedure,
Water resource runs off in a large number, adds the earth sandstone that boring is subsidiary, and along with current are discharged to urban Underground pipeline, environmental pollution is big, holds
Easily cause urban discharging pipeline clogging.
Summary of the invention
It is an object of the invention to provide a kind of earth drilling device, it is possible to cycling use of water, save water resource, and avoid right
Urban Underground pipeline results in blockage, and reduces environmental pollution.
For realizing the purpose of the present invention, adopt the technical scheme that:
A kind of earth drilling device, including drilling rod, resilient sleeve, storage tank and the water pump being positioned at storage tank, storage tank
Bottom is provided with through hole, and through hole is located at by resilient sleeve plug, and one end of resilient sleeve is positioned at storage tank, and the other end stretches out storage tank, bores
Bar is provided with one end of drill bit and is positioned at resilient sleeve, and the other end passes the water outlet of storage tank, the water passage system of drilling rod and described water pump
Mouth connection.
Owing to resilient sleeve has elasticity, during boring, resilient sleeve is scalable is pressed in ground, is combined one sealing of formation with ground
Tank, earth sandstone enters in resilient sleeve along with current, and is spilled in storage tank from resilient sleeve, will not be discharged to Urban Underground pipe
Road, it is to avoid result in blockage urban Underground pipeline, reduces environmental pollution；And the water in entrance storage tank is carried again by water pump
To the water system of drilling rod, enable water to be recycled, save water resource.
Below technical scheme is further illustrated:
Further, resilient sleeve is stretched out one end of storage tank and is provided with horn mouth.Make resilient sleeve be easier to ground to fit
Form sealed cistern, reach to inhale the effect of toilet gum cover, it is adaptable to level land or slope, the suitability is more preferable.
Further, earth drilling device also includes the cartridge filter being fixed in storage tank, and resilient sleeve is positioned at storage tank
Interior one end is positioned at cartridge filter.In boring procedure, after earth sandstone overflows resilient sleeve along with current, it is introduced into cartridge filter, by
Having certain height in cartridge filter, part earth sandstone is deposited in the bottom of cartridge filter, reaches the function filtered, makes water pump defeated
The water delivering to drilling rod is cleaner, also allows for the cleaning in the future to earth sandstone.
Further, earth drilling device also includes being divided into storage tank bilevel drainage screen, and water pump is positioned at
The top of drainage screen, resilient sleeve stretches into one end of storage tank and is positioned at the lower section of drainage screen.In boring procedure, earth sandstone is along with water
After slime flux goes out resilient sleeve, entering the bottom of drainage screen, impurity is filtered by drainage screen, reaches the function filtered, filtered
Boring water enters above drainage screen, makes water pump be delivered to the water of drilling rod more totally, and the work making drilling rod is more stable.
Further, on earth drilling device also includes the cartridge filter being fixed in storage tank and is divided into by storage tank
The drainage screen of lower two-layer, water pump is positioned at the top of drainage screen, and cartridge filter is positioned at the lower section of drainage screen.In boring procedure, earth sand
After stone overflows resilient sleeve along with current, being introduced into cartridge filter, owing to cartridge filter has certain height, part earth sandstone precipitates
In the bottom of cartridge filter, boring water is filtered for the first time；Owing to cartridge filter is positioned at the lower section of drainage screen, flow out from cartridge filter
The water come, drainage screen filtration further to impurity, boring water is carried out second time and filters, filtered boring water entered
Above filter screen, making water pump be delivered to the water of drilling rod more totally, the work making drilling rod is more stable.
Further, earth drilling device also includes the water supply tank being positioned at storage tank, and water supply tank is provided with and storage tank
The water supplement port of connection.When insufficient water sources in storage tank, by the water supplement port of water supply tank to storage tank make-up water source, prevent water
Pump dallies, it is ensured that the normal operation of earth drilling device.
Further, earth drilling device also includes liquid level sensor and the liquid level sensor electricity being positioned at storage tank
Property connect controller, water supplement port be provided with and controller be electrically connected with control valve.By liquid level sensor in storage tank
Liquid level detects, and the information detected is fed back to controller, when the liquid level in storage tank is less than setting value, and controller
Drive control valve is opened, and makes the water in water supply tank be automatically replenished to storage tank, prevents water pump from dallying, it is ensured that earth drilling device
Normal operation, make control more accurately intelligence.
Further, the driving means of water pump and drilling rod is all electrically connected with controller.Make the control of earth drilling device
System more accurately intelligence.
Further, the bottom of storage tank is provided with universal wheel.It is easy to the movement of earth drilling device, uses more convenient.
Further, resilient sleeve is rubber sleeve.
Compared with prior art, the method have the advantages that
Due to the fact that resilient sleeve has elasticity, during boring, resilient sleeve is scalable is pressed in ground, is combined formation one with ground
Individual sealed cistern, earth sandstone enters in resilient sleeve along with current, and is spilled in storage tank from resilient sleeve, will not be discharged to city
Underground piping, it is to avoid result in blockage urban Underground pipeline, reduces environmental pollution；And the water in entrance storage tank is by water pump weight
Newly it is delivered to the water system of drilling rod, enables water to be recycled, save water resource；The present invention is water when boring 20 metre hole
Measure about 200 liters, save 300 liters of water consumptions compared with traditional mode, and two people are the most operable completes, it is not necessary to be equipped with the defeated people of water transport
Member, reduces the input of manpower and materials.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of embodiment of the present invention earth drilling device；
Fig. 2 is the internal structure schematic diagram of embodiment of the present invention earth drilling device；
Fig. 3 is the assembling schematic diagram of embodiment of the present invention drilling rod, resilient sleeve and cartridge filter.
Description of reference numerals:
10. drilling rod, 110. drill bits, 20. resilient sleeve, 210. horn mouths, 30. storage tanks, 40. water pumps, 50. cartridge filters, 60.
Drainage screen, 70. water supply tanks, 710. water supplement ports, 80. universal wheels.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are described in detail:
As depicted in figs. 1 and 2, a kind of earth drilling device, including drilling rod 10, resilient sleeve 20, storage tank 30 be positioned at storage
Water pump 40 in water tank 30, the bottom of storage tank 30 is provided with through hole (accompanying drawing does not identifies), and resilient sleeve 20 plug is located at through hole, resilient sleeve
Between 20 and through hole very close to each other, and one end of resilient sleeve 20 is positioned at storage tank 30, and the other end stretches out storage tank 30, drilling rod 10
The one end being provided with drill bit 110 is positioned at resilient sleeve 20, and the other end passes storage tank 30, the water passage system of drilling rod 10 and water pump 40
Outlet connects.
Owing to resilient sleeve 20 has elasticity, during boring, the scalable ground that is pressed in of resilient sleeve 20, the axis of resilient sleeve 20 and ground
Face is arranged vertically and is combined with ground one sealed cistern of formation, and earth sandstone enters in resilient sleeve 20 along with current, and from bullet
Property set 20 be spilled in storage tank 30, urban Underground pipeline will not be discharged to, it is to avoid urban Underground pipeline is resulted in blockage, reduce ring
Environment pollution；And the water in entrance storage tank 30 is again delivered to the water system of drilling rod 10 by water pump 40, enable water to obtain
Recycle, save water resource；The present invention is boring 20 metre hole hourly water consumption about 200 liters, saves 300 liters compared with traditional mode
Water consumption, and two people are the most operable completes, it is not necessary to it is equipped with water conveying people, reduces the input of manpower and materials.
In the present embodiment, resilient sleeve 20 is rubber sleeve, and resilient sleeve 20 can also use other materials according to actual needs；
Earth drilling device uses geology to creep into row boring, and earth drilling device can be to use the brill of other forms according to actual needs
Tool.
As it is shown on figure 3, one end that resilient sleeve 20 stretches out storage tank 30 is provided with horn mouth 210, make resilient sleeve 20 be easier to
Ground laminating forms sealed cistern, reaches to inhale the effect of toilet gum cover, it is adaptable to level land or slope, the suitability is more preferable.
As shown in Figures 2 and 3, earth drilling device also includes the cartridge filter 50 being fixed in storage tank 30, resilient sleeve 20
The one end being positioned at storage tank 30 is positioned at cartridge filter 50.In boring procedure, after earth sandstone overflows resilient sleeve 20 along with current,
Being introduced into cartridge filter 50, owing to cartridge filter 50 has certain height, part earth sandstone is deposited in the bottom of cartridge filter 50, right
Boring water filters for the first time, makes water pump 40 be delivered to the water of drilling rod 10 cleaner, also allows for clear to earth sandstone in the future
Reason.
In the present embodiment, the height of cartridge filter 50 is 25cm, and the height of cartridge filter 50 can also set according to actual needs
It is set to other values.
As in figure 2 it is shown, earth drilling device also includes being divided into storage tank 30 bilevel drainage screen 60, water pump 40
Being positioned at the top of drainage screen 60, cartridge filter 50 is positioned at the lower section of drainage screen 60.In boring procedure, flow out from cartridge filter 50
Water, drainage screen 60 filtration further to impurity, boring water is carried out second time and filters, filtered boring water enters and filters
Above net 60, making water pump 40 be delivered to the water of drilling rod 10 more totally, the work making drilling rod 10 is more stable.
In the present embodiment, the size of mesh opening of drainage screen 60 is 3 × 3mm, permeable while contaminant filter can be fallen again,
The grid of drainage screen 60 can also use other sizes according to actual needs.
As it is shown in figure 1, earth drilling device also includes the water supply tank 70 being positioned at storage tank 30, water supply tank 70 is provided with and stores up
The water supplement port 710 of water tank 30 connection, water supply tank 70 is positioned at the top of drainage screen 60.When insufficient water sources in storage tank 30, logical
Cross the water supplement port 710 of water supply tank 70 to storage tank 30 make-up water source, prevent water pump 40 from dallying, it is ensured that earth drilling device normal
Operating.
Earth drilling device also includes liquid level sensor (accompanying drawing does not identifies) and the liquid level sensor being positioned at storage tank 30
The controller (accompanying drawing does not identifies) being electrically connected with, water supplement port 710 is provided with the control valve with controller electric connection, and (accompanying drawing is not marked
Know).By liquid level sensor, the liquid level in storage tank 30 is detected, and the information detected is fed back to controller, when
When liquid level in storage tank 30 is less than setting value, controller drive control valve opens, make the water in water supply tank 70 be automatically replenished to
In storage tank 30, prevent water pump 40 from dallying, it is ensured that the normal operation of earth drilling device, make control more accurately intelligence.Water pump 40
Also it is electrically connected with controller with the driving means of drilling rod 10, improves the intelligent of earth drilling device control further.
As depicted in figs. 1 and 2, the bottom of storage tank 30 is provided with universal wheel 80, it is simple to the movement of earth drilling device, uses
More convenient.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an earth drilling device, it is characterised in that include drilling rod, resilient sleeve, storage tank and be positioned at described storage tank
Water pump, the bottom of described storage tank is provided with through hole, and described through hole is located at by described resilient sleeve plug, and one end of described resilient sleeve is positioned at
In described storage tank, the other end stretches out described storage tank, and described drilling rod is provided with one end of drill bit and is positioned at described resilient sleeve, another
End is through described storage tank, and the water passage system of described drilling rod connects with the outlet of described water pump.
Earth drilling device the most according to claim 1, it is characterised in that described resilient sleeve stretches out the one of described storage tank
End is provided with horn mouth.
Earth drilling device the most according to claim 1, it is characterised in that also include the mistake being fixed in described storage tank
Filter cylinder, described resilient sleeve is positioned at one end of described storage tank and is positioned at described cartridge filter.
Earth drilling device the most according to claim 1, it is characterised in that also include being divided into described storage tank up and down
The drainage screen of two-layer, described water pump is positioned at the top of described drainage screen, and described resilient sleeve stretches into one end of described storage tank and is positioned at
The lower section of described drainage screen.
Earth drilling device the most according to claim 1, it is characterised in that also include the mistake being fixed in described storage tank
Filter cylinder and described storage tank is divided into bilevel drainage screen, described water pump is positioned at the top of described drainage screen, described mistake
Filter cylinder is positioned at the lower section of described drainage screen.
Earth drilling device the most according to claim 1, it is characterised in that also include the moisturizing being positioned at described storage tank
Case, described water supply tank is provided with the water supplement port connected with described storage tank.
Earth drilling device the most according to claim 6, it is characterised in that also include the liquid level being positioned at described storage tank
Controller that sensor and described liquid level sensor are electrically connected with, described water supplement port is provided with and is electrically connected with described controller
Control valve.
Earth drilling device the most according to claim 7, it is characterised in that described water pump and the driving means of described drilling rod
All it is electrically connected with described controller.
9. according to the earth drilling device described in any one of claim 1 to 8, it is characterised in that the bottom of described storage tank sets
There is universal wheel.
10. according to the earth drilling device described in any one of claim 1 to 8, it is characterised in that described resilient sleeve is rubber
Set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835072.7A CN106223883A (en) | 2016-09-19 | 2016-09-19 | Earth drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835072.7A CN106223883A (en) | 2016-09-19 | 2016-09-19 | Earth drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106223883A true CN106223883A (en) | 2016-12-14 |
Family
ID=58077124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610835072.7A Pending CN106223883A (en) | 2016-09-19 | 2016-09-19 | Earth drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106223883A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008056262A1 (en) * | 2008-11-06 | 2010-05-27 | Bauer Spezialtiefbau Gmbh | Drilling goods e.g. drilling cuttings, extracting device for use during producing and filling boreholes for forming casting pit, has container, where opening is formed at upper side of container and permits penetration of drilling rod |
| CN102921661A (en) * | 2012-11-12 | 2013-02-13 | 东南大学 | Pollutant cleaning device for environmental geotechnics test probe |
| CN103216201A (en) * | 2013-05-09 | 2013-07-24 | 武汉大学 | Device for packing and separating mining gas-water slag |
| CN203488128U (en) * | 2013-10-09 | 2014-03-19 | 湖北中南勘察基础工程有限公司 | Reconnaissance construction environment-friendly slurry box |
| CN104405310A (en) * | 2014-09-30 | 2015-03-11 | 东北大学 | Box type self-circulation water supply system for portable drilling machine |
| US20150167412A1 (en) * | 2013-12-12 | 2015-06-18 | Dustin Jack | Drilling waste receiving assembly |
| CN104948126A (en) * | 2015-05-26 | 2015-09-30 | 成都高普石油工程技术有限公司 | Well drilling waste liquid rock debris separating technology |
| CN204703808U (en) * | 2015-05-22 | 2015-10-14 | 河南焦煤能源有限公司演马庄矿 | Mine underground is drilled blowout hookup |
| CN105003216A (en) * | 2015-08-11 | 2015-10-28 | 煤炭科学技术研究院有限公司 | Orifice dust remover |
| CN105298414A (en) * | 2015-10-19 | 2016-02-03 | 登封市君鑫煤业有限责任公司 | Downhole drilling anti-dust device |
| CN206174900U (en) * | 2016-09-19 | 2017-05-17 | 广州市盾建地下工程有限公司 | Underground drilling equipment |
-
2016
- 2016-09-19 CN CN201610835072.7A patent/CN106223883A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008056262A1 (en) * | 2008-11-06 | 2010-05-27 | Bauer Spezialtiefbau Gmbh | Drilling goods e.g. drilling cuttings, extracting device for use during producing and filling boreholes for forming casting pit, has container, where opening is formed at upper side of container and permits penetration of drilling rod |
| CN102921661A (en) * | 2012-11-12 | 2013-02-13 | 东南大学 | Pollutant cleaning device for environmental geotechnics test probe |
| CN103216201A (en) * | 2013-05-09 | 2013-07-24 | 武汉大学 | Device for packing and separating mining gas-water slag |
| CN203488128U (en) * | 2013-10-09 | 2014-03-19 | 湖北中南勘察基础工程有限公司 | Reconnaissance construction environment-friendly slurry box |
| US20150167412A1 (en) * | 2013-12-12 | 2015-06-18 | Dustin Jack | Drilling waste receiving assembly |
| CN104405310A (en) * | 2014-09-30 | 2015-03-11 | 东北大学 | Box type self-circulation water supply system for portable drilling machine |
| CN204703808U (en) * | 2015-05-22 | 2015-10-14 | 河南焦煤能源有限公司演马庄矿 | Mine underground is drilled blowout hookup |
| CN104948126A (en) * | 2015-05-26 | 2015-09-30 | 成都高普石油工程技术有限公司 | Well drilling waste liquid rock debris separating technology |
| CN105003216A (en) * | 2015-08-11 | 2015-10-28 | 煤炭科学技术研究院有限公司 | Orifice dust remover |
| CN105298414A (en) * | 2015-10-19 | 2016-02-03 | 登封市君鑫煤业有限责任公司 | Downhole drilling anti-dust device |
| CN206174900U (en) * | 2016-09-19 | 2017-05-17 | 广州市盾建地下工程有限公司 | Underground drilling equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20161214 |