CN108286250A - A kind of deep layer dynamic sounding energy test device and its test method - Google Patents
A kind of deep layer dynamic sounding energy test device and its test method Download PDFInfo
- Publication number
- CN108286250A CN108286250A CN201810307896.6A CN201810307896A CN108286250A CN 108286250 A CN108286250 A CN 108286250A CN 201810307896 A CN201810307896 A CN 201810307896A CN 108286250 A CN108286250 A CN 108286250A
- Authority
- CN
- China
- Prior art keywords
- connector
- connect
- feeler lever
- acceleration
- deep layer
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000010998 test method Methods 0.000 title description 2
- 230000001133 acceleration Effects 0.000 claims abstract description 43
- 239000000523 sample Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 claims description 15
- 230000035939 shock Effects 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 238000012937 correction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of deep layer dynamic sounding energy test devices, including weight, guide rod, hammer seat, the first feeler lever, impact force test cell, acceleration test unit, the second feeler lever and dynamic probe, the center of the weight is equipped with circular through hole, and weight is sleeved on the guide rod and can free-falling；The hammer seat is located at guide rod lower part, and the guide rod is connect with first feeler lever, and the upper end of the carrying on mechanism is connect with the 4th connector, and lower end is connect by the 5th connector with the second feeler lever；The acceleration transducer is connect by the second conducting wire with Acquisition Instrument and host；Second feeler lever is connected with dynamic probe.The invention also discloses the methods for carrying out the test of deep layer dynamic sounding impact energy using the device.The apparatus structure is simple, easy for installation secured, is avoided that interference of the adverse circumstances such as landwaste in hole, flow to sensor, can be applied to more than the impact of transducer range instantaneous energy；This method calculating energy is quick, efficient, at low cost.
Description
Technical field
The present invention relates to engineering investigation fields, and in particular to a kind of deep layer dynamic sounding energy test device and its test side
Method.
Background technology
Dynamic sounding is a kind of widely applied home position testing method in engineering investigation field, is mainly used for determining sand, broken
The Geotechnical Parameters such as bearing capacity, the deformation modulus of stone class soil.
Dynamic sounding impacts mode using aperture free-falling hammer, and the energy of jump bit is transmitted to probe by feeler lever.Feeler lever
For elongate rod, when exploration stratum is deeper, the loss of the friction impact energy between the deformation and feeler lever and hole wall of feeler lever is larger,
Number can be hit to dynamic sounding and be modified by determining bar long correction factor of tabling look-up within current specifications regulation buried depth 20m, into
And it determines the dynamic sounding bar length of Geotechnical Parameter, buried depth more than 20m and corrects the standard that lacks and can refer to.
By testing effective impact energy of dynamic sounding bar different location, the long correction factor of bar can determine, and then right
Dynamic sounding hits number and is modified and obtains Geotechnical Parameter, and then realizes deep layer dynamic sounding.Current energy test device master
If installing a connection piece between dynamic sounding bar, sensor is installed in the outer wall of connector, this device is applicable only to ground
The above dynamic sounding energy test in face.In below ground drilling, by severe rings such as landwaste, flows in borehole wall collision, hole
The influence in border, sensor are easy to fall off or damage from connector, can not carry out the dynamic sounding energy in below ground drilling
Test, while such device is without impact energy buffer module, when impacting instantaneous energy and being more than the range of sensor, even if on ground
It more than face measures, sensor is also easy impaired destroy.
Invention content
It is an object of the present invention to provide it is a kind of it is safe to use, can effectively shock absorbing energy, convenience of calculation deep layer
Dynamic sounding energy test device.
It is dynamic using above-mentioned deep layer dynamic sounding energy test device progress deep layer that it is a further object of the present invention to provide a kind of
The method of power feeler inspection impact energy test.
For this purpose, technical scheme is as follows：
A kind of deep layer dynamic sounding energy test device, including weight, guide rod, hammer seat, the first feeler lever, impact force test list
The center of member, acceleration test unit, the second feeler lever and dynamic probe, the weight is equipped with circular through hole, and weight is sleeved on described lead
And it can free-falling on bar；The hammer seat is located at guide rod lower part, and the guide rod is connect with first feeler lever；The impact force is surveyed
Examination unit includes third connector, cushion pad, shock sensors, the 4th connector and fixing bolt, the fixing bolt from it is lower to
On sequentially pass through the mesoporous of the mesoporous of the 4th connector, the mesoporous of shock sensors, cushion pad, and connect with third connector
It connects；The shock sensors are connect by the first conducting wire with Acquisition Instrument and host；First feeler lever is connect with third connector；
The acceleration test unit includes the carrying on mechanism and acceleration transducer of acceleration transducer, the acceleration transducer peace
In the mounting hole in the carrying on mechanism；The upper end of the carrying on mechanism is connect with the 4th connector, and lower end connects by the 5th
Head is connect with the second feeler lever；The acceleration transducer is connect by the second conducting wire with Acquisition Instrument and host；Second feeler lever
It is connected with dynamic probe.
Wherein, the guide rod is connect by the first connector with the first feeler lever；First feeler lever passes through the second connector and
Three connectors connect；The lower end of the carrying on mechanism is connect by the 5th connector with second feeler lever.
Preferably, the weight and can be lifted by cable suspension on drilling machine.
Preferably, when being tested, the weight distance hammer seat 76cm and free-falling.
A kind of method that above-mentioned deep layer dynamic sounding energy test device carries out the test of deep layer dynamic sounding impact energy,
Weight is promoted to distance using drilling machine and hammers seat certain altitude into shape, so that the weight is detached from the cable of drilling machine, freely drops downwards
Simultaneously hammer seat is fallen, impact force and acceleration information are acquired and recorded by Acquisition Instrument and host, utilizes formula：
Dynamic sounding impact energy is calculated,
Wherein：V (t) is according to formula：
It is calculated,
In formula：
E is the effective impact energy of dynamic sounding,
F (t) is impact force,
V (t) is speed,
G (t) is acceleration,
A is the initial time of impact force and acceleration,
B is the termination time of impact force and acceleration.
Wherein, answer the reduced time-whether the startings of impact force and time-acceleration plots, to terminate the time consistent, such as
Inconsistent, initial time takes higher value between the two, termination time to take smaller value between the two, repaint time-impact
Power, time-acceleration plots.
The deep layer dynamic sounding energy test device of the present invention has the advantages that：
1, in the present invention, impact force and acceleration transducer are mounted on inside energy test device, whole device structure
Simply, easy for installation secured, it can avoid the interference of the adverse circumstances to sensor such as landwaste, flow in hole；
2, due to being designed with the cushion pad of shock absorbing energy, transducer range instantaneous energy can be applied to more than
Impact；
3, it can be used for the energy test of ground or more drilling intrinsic and external motive sounding rod different parts；
4, effective impact energy calculates quick, efficient, at low cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the deep layer dynamic sounding energy test device of the present invention；
Fig. 2 is the use state diagram of the deep layer dynamic sounding energy test device of the present invention.
Wherein：
1. 2. weight of drilling machine, 3. guide rod 4. hammers 5. first connector of seat, 6. 7. first feeler lever of Acquisition Instrument, 8. host 9. into shape
Second connector, 10. third connector 11,15,17：12. first conducting wire of mesoporous, 13. cushion pad, 14. shock sensors 16.
4th connector, 18. fixing bolt, 19. 20. second conducting wire of carrying on mechanism, 21. mounting hole, 22. acceleration transducer 23.
The dynamic probe of the 6th connector 26. of five 24. second feeler levers 25. of connector.
Specific implementation mode
Technical scheme of the present invention is described further below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, deep layer dynamic sounding energy test device of the invention includes：Weight 2, guide rod 3, hammer seat
4, the first feeler lever 7, impact force test cell, acceleration test unit, the second feeler lever 24 and dynamic probe 26.
The center of the weight 2 is equipped with circular through hole, and weight 2 is sleeved on the guide rod 3 and can free-falling；The hammer seat
4 are located at 3 lower part of guide rod, and the guide rod 3 is connect with first feeler lever 7；The impact force test cell include third connector 10,
Cushion pad 13, shock sensors 14, the 4th connector 16 and fixing bolt 18, the fixing bolt 18 sequentially pass through from top to bottom
The mesoporous 11 of the mesoporous 17 of 4th connector 16, the mesoporous 15 of shock sensors 14, cushion pad 13, and with third connector 10
Connection, it is ensured that connector 10, cushion pad 13, acceleration transducer 14 are closely connect with connector 16 by bolt 18.The impact force
Sensor 14 is connect by the first conducting wire 12 with Acquisition Instrument 6 and host 8；First feeler lever 7 is connect with third connector 10.
The acceleration test unit includes the carrying on mechanism 19 and acceleration transducer 22 of acceleration transducer, described to add
Velocity sensor 22 is mounted in the mounting hole 21 in the carrying on mechanism 19；The upper end of the carrying on mechanism 19 and the 4th connector
16 connections, lower end is connect by the 5th connector 23 with the second feeler lever 24；The acceleration transducer 22 by the second conducting wire 20 with
Acquisition Instrument 6 and host 8 connect；Second feeler lever 24 is connect with dynamic probe 26.
In addition, the guide rod 3 is connect by the first connector 5 with the first feeler lever 7；First feeler lever 7 passes through the second connector 9
It is connect with third connector 10；The lower end of the carrying on mechanism 19 is connect by the 5th connector 23 with second feeler lever 24.It is described
Weight 2 on drilling machine 1, and can be lifted by cable suspension.
Include using the method that above-mentioned test device carries out deep layer dynamic sounding energy test：The installation of energy test device,
Energy test and energy balane.It is specific as follows：
S1- energy test devices are installed：
After drilling is to target zone, each component is installed as shown in Figure 2.Specially：Weight 2 is existed by cable suspension
It on drilling machine 1, and can lift, there are circular through holes at weight 2 center；Guide rod 3 passes through the central through hole of weight 2, hammers seat 4 into shape
In 3 lower part of guide rod, guide rod 3 is connect by the first connector 5 with the first feeler lever 7, and the upper end of energy test device passes through the second connector 9
Connect with the first feeler lever 7, lower end is connect by the 5th connector 23 with the second feeler lever 24, the second feeler lever 24 by the 6th connector 25 with
26 connection of dynamic probe.
S2- energy tests：Respectively by the first conducting wire 12, the second conducting wire 20 by shock sensors 14 and acceleration sensing
Device 22 is connected with Acquisition Instrument 6 and host 8, is promoted weight 2 to distance hammer 4 76cm of seat using drilling machine 1, is then made weight 2
Be detached from the cable of drilling machine 1, freely land and hammer seat 4 downwards, by Acquisition Instrument 8 and the acquisition of host 6 and record impact force with
Acceleration information.
S3- energy balanes：Data and the corresponding acquisition time for picking up impact force and acceleration non-zero, with the time for horizontal seat
Mark, impact force and acceleration are ordinate, are fitted using least square method, draw time-impact force, time-respectively
Acceleration plots, whether reduced time-impact force and the starting of time-acceleration plots, termination time are consistent, if not
Unanimously, initial time takes higher value between the two, terminates the time and takes smaller value between the two, repaint time-impact force,
Time-acceleration plots, utilize formula：
Dynamic sounding impact energy can be calculated.
V (t) therein is according to formula：
It is calculated.
In above-mentioned two formula：
E is dynamic sounding impact energy；
F (t) is impact force；
V (t) is speed；
G (t) is acceleration；
A is the initial time of impact force and acceleration；
B is the termination time of impact force and acceleration.
The deep layer dynamic sounding energy test device of the present invention is modularized design, including impact force test cell, acceleration
Spend test cell, the modules such as connector, each intermodule is detachable, and each intermodule is seamlessly connected by connector, test device both ends with
Feeler lever is connected by connector, and shock sensors are mounted in impact force test cell, and acceleration transducer is mounted on acceleration
In test cell, shock sensors, acceleration transducer, Acquisition Instrument, host are connected by conducting wire, can be measured power in real time and be touched
The impact force and acceleration of spy, and be shown on host, it is calculated using the impact force and acceleration parameter tested, you can
Obtain the effective impact energy of dynamic sounding.
Claims (8)
1. a kind of deep layer dynamic sounding energy test device, it is characterised in that：Including weight (2), guide rod (3), hammer seat (4), the
One feeler lever (7), impact force test cell, acceleration test unit, the second feeler lever (24) and dynamic probe (26),
The center of the weight (2) is equipped with circular through hole, and weight (2) is sleeved on the guide rod (3) and can free-falling；
The hammer seat (4) is located at guide rod (3) lower part, and the guide rod (3) connect with first feeler lever (7)；
The impact force test cell includes third connector (10), cushion pad (13), shock sensors (14), the 4th connector
(16) and fixing bolt (18), the fixing bolt (18) sequentially pass through the mesoporous of the 4th connector (16) from top to bottom
(17), the mesoporous (11) of the mesoporous (15), cushion pad (13) of shock sensors (14), and connect with third connector (10)；Institute
Shock sensors (14) are stated to connect with Acquisition Instrument (6) and host (8) by the first conducting wire (12)；
First feeler lever (7) connect with third connector (10)；
The acceleration test unit includes the carrying on mechanism (19) and acceleration transducer (22) of acceleration transducer, described to add
Velocity sensor (22) is mounted in the mounting hole (21) in the carrying on mechanism (19)；The upper end of the carrying on mechanism (19) with
4th connector (16) connects, and lower end is connect by the 5th connector (23) with the second feeler lever (24)；The acceleration transducer (22)
It is connect with Acquisition Instrument (6) and host (8) by the second conducting wire (20)；
Second feeler lever (24) connect with dynamic probe (26).
2. deep layer dynamic sounding energy test device according to claim 1, it is characterised in that：The guide rod (3) passes through
First connector (5) is connect with the first feeler lever (7).
3. deep layer dynamic sounding energy test device according to claim 2, it is characterised in that：First feeler lever (7)
It is connect with third connector (10) by the second connector (9).
4. deep layer dynamic sounding energy test device according to claim 3, it is characterised in that：The carrying on mechanism (19)
Lower end connect with second feeler lever (24) by the 5th connector (23).
5. the deep layer dynamic sounding energy test device according to any one of claim 1-4, it is characterised in that：It is described heavy
2 are hammered into shape by cable suspension on drilling machine (1), and can be lifted.
6. deep layer dynamic sounding energy test device according to claim 5, it is characterised in that：It is described when being tested
Weight 2 is apart from hammer seat (4) 76cm and free-falling.
7. a kind of deep layer dynamic sounding energy test device using described in claim 6 carries out deep layer dynamic sounding impact energy
The method of test, it is characterised in that：Weight (2) is promoted to distance hammer seat (4) certain altitude using drilling machine (1), then makes institute
The cable that weight (2) is detached from drilling machine (1) is stated, freely land downwards simultaneously hammer seat (4), is adopted by Acquisition Instrument (8) and host (6)
Collect and record impact force and acceleration information, utilizes formula：
Dynamic sounding impact energy is calculated,
Wherein：V (t) is according to formula：
It is calculated,
In formula：
E is the effective impact energy of dynamic sounding,
F (t) is impact force,
V (t) is speed,
G (t) is acceleration,
A is the initial time of impact force and acceleration,
B is the termination time of impact force and acceleration.
8. according to the method described in claim 7, it is characterized in that：Reduced time-impact force and time-acceleration plots
Starting, terminate whether the time consistent, and such as inconsistent, initial time takes higher value between the two, terminating the time takes between the two
Smaller value repaints time-impact force, time-acceleration plots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307896.6A CN108286250A (en) | 2018-04-08 | 2018-04-08 | A kind of deep layer dynamic sounding energy test device and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307896.6A CN108286250A (en) | 2018-04-08 | 2018-04-08 | A kind of deep layer dynamic sounding energy test device and its test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108286250A true CN108286250A (en) | 2018-07-17 |
Family
ID=62834250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810307896.6A Pending CN108286250A (en) | 2018-04-08 | 2018-04-08 | A kind of deep layer dynamic sounding energy test device and its test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108286250A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667257A (en) * | 2019-03-01 | 2019-04-23 | 四川电力设计咨询有限责任公司 | A kind of portable power feeler inspection tester and test method |
| CN112833960A (en) * | 2021-02-01 | 2021-05-25 | 郑州大学 | Dynamic sounding equipment and using method |
| CN115014192A (en) * | 2022-05-26 | 2022-09-06 | 重庆电子工程职业学院 | System and method for automatically acquiring, transmitting and processing sounding data |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6192209A (en) * | 1984-10-08 | 1986-05-10 | Fudo Constr Co Ltd | Ground strength detecting device |
| CN105486347A (en) * | 2015-12-24 | 2016-04-13 | 安徽省城建设计研究总院有限公司 | Device and measurement and processing method for drilling site geotechnical parameters |
| CN205260018U (en) * | 2015-11-04 | 2016-05-25 | 东营仪锦能源科技有限公司 | Cross multi -functional well accuse logging instrument of drilling rod storage formula |
| CN205530202U (en) * | 2016-03-07 | 2016-08-31 | 中交第四航务工程局有限公司 | Weight moves, rams effort and rams real -time synchronization monitor of volume of sinking under water |
| CN106323774A (en) * | 2016-11-14 | 2017-01-11 | 山东祺龙海洋石油钢管股份有限公司 | Marine riser pile driving operation hammering test device and test method |
-
2018
- 2018-04-08 CN CN201810307896.6A patent/CN108286250A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6192209A (en) * | 1984-10-08 | 1986-05-10 | Fudo Constr Co Ltd | Ground strength detecting device |
| CN205260018U (en) * | 2015-11-04 | 2016-05-25 | 东营仪锦能源科技有限公司 | Cross multi -functional well accuse logging instrument of drilling rod storage formula |
| CN105486347A (en) * | 2015-12-24 | 2016-04-13 | 安徽省城建设计研究总院有限公司 | Device and measurement and processing method for drilling site geotechnical parameters |
| CN205530202U (en) * | 2016-03-07 | 2016-08-31 | 中交第四航务工程局有限公司 | Weight moves, rams effort and rams real -time synchronization monitor of volume of sinking under water |
| CN106323774A (en) * | 2016-11-14 | 2017-01-11 | 山东祺龙海洋石油钢管股份有限公司 | Marine riser pile driving operation hammering test device and test method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667257A (en) * | 2019-03-01 | 2019-04-23 | 四川电力设计咨询有限责任公司 | A kind of portable power feeler inspection tester and test method |
| CN109667257B (en) * | 2019-03-01 | 2021-01-29 | 四川电力设计咨询有限责任公司 | Portable dynamic sounding tester and testing method |
| CN112833960A (en) * | 2021-02-01 | 2021-05-25 | 郑州大学 | Dynamic sounding equipment and using method |
| CN115014192A (en) * | 2022-05-26 | 2022-09-06 | 重庆电子工程职业学院 | System and method for automatically acquiring, transmitting and processing sounding data |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103953076B (en) | Based on depth determination method at the bottom of the existing engineering pile stake of other hole transmitted wave bathmometry | |
| CN102279135B (en) | Lossless dynamic detection apparatus and method for anchor pile drawing force | |
| US7650962B2 (en) | Rotary actuated seismic source and methods for continuous direct-push downhole seismic testing | |
| CN108318584A (en) | Single-hole sound-wave combines the method for across hole CT detections pile quality and gradient | |
| CN108286250A (en) | A kind of deep layer dynamic sounding energy test device and its test method | |
| KR20140059042A (en) | Device of dynamic cone penetrometer test and measuring method of soil compaction using the same | |
| CN106197363B (en) | A kind of measurement method of protected seam dilatancy amount | |
| CN106223305B (en) | A kind of automatic dynamic driving instrument for considering energy correction and dynamic response | |
| CN108802193A (en) | A kind of detecting devices and detection method of Exploring Loose Rock Country in Tunnels | |
| CN106703088B (en) | Acceleration test box and bearing capacity of pile foundation dynamic testing method based on multi-point sampler | |
| CN201068574Y (en) | Heave hand hammer large long pile strain detection device | |
| CN105887940A (en) | Double-speed low-strain method for detecting integrity of existing pile foundation by adopting excitation in pile body | |
| CN206479268U (en) | For loess and the forced three-dimensional soil pressure sensor of weak soil | |
| CN110924932A (en) | Penetration test equipment and penetration test recorder thereof | |
| CN202250042U (en) | Drilling parameter detector | |
| CN102621059B (en) | Instrument for detecting dense state of existing roadbed | |
| KR102033506B1 (en) | Rebound Check Device for Dynamic Loading Test and Measuring bearing capacity of soil of Pile | |
| JP2003321828A (en) | Ground investigation method making use of s wave amplitude accompanying percussive penetration | |
| CN106054259A (en) | Method for detecting broken points of wall reinforcements | |
| CN208235490U (en) | A kind of deep layer dynamic sounding energy test device | |
| CN106124148B (en) | A kind of deep hole transmission function test system and its test method | |
| CN105486347B (en) | For the equipment of drill site geological parameter and measurement, processing method | |
| CN209228357U (en) | A kind of nearly drill bit hole deviation measurement while-drilling instrument | |
| CN111413131A (en) | Suspension tunnel anchor rope inefficacy and dynamic response test device that collapses in succession | |
| CN105305197B (en) | A kind of efficient drop bar for measuring function with hitting power installs power set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180717 |