CN106149704A - Snap close V-type rig - Google Patents
Snap close V-type rig Download PDFInfo
- Publication number
- CN106149704A CN106149704A CN201610627855.6A CN201610627855A CN106149704A CN 106149704 A CN106149704 A CN 106149704A CN 201610627855 A CN201610627855 A CN 201610627855A CN 106149704 A CN106149704 A CN 106149704A
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- China
- Prior art keywords
- recessed
- convex
- sheave
- type
- fixed
- 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.)
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- 239000002689 soil Substances 0.000 claims abstract description 46
- 239000004568 cement Substances 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 208000007623 Lordosis Diseases 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 19
- 239000011083 cement mortar Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000011440 grout Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004567 concrete Substances 0.000 claims 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 210000001835 viscera Anatomy 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008450 motivation Effects 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
- E02D5/187—Bulkheads or similar walls made solely of concrete in situ the bulkheads or walls being made continuously, e.g. excavating and constructing bulkheads or walls in the same process, without joints
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/001—Drilling a non circular hole
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
A kind of snap close V-type rig, including recessed V-type rig and convex V-type rig；Manufacture the convex V-type pilespacing in one, multiple intervals from soil cement recessed V-type stake, when the soil cement intensity of the soil cement on both sides recessed V-type stake reaches a timing, again in the spacing between each two recessed V-type stake, soil cement convex V-type stake reverse before and after manufacturing one with convex V-type rig respectively according to the working method of above-mentioned convex V-type rig, making two of each convex left front end of V-type stake, convex " ［ " shape is fit to two recessed " ［ " shapes of the left side recessed V-type stake right rear end, making two of each soil cement convex V-type stake right front ends, convex " ［ " shape is fit to two recessed " ［ " shapes of the recessed left back end of V-type stake in the right, the V-type piling wall of the soil cement convex V-type mutual snap close of stake being thusly-formed between the soil cement recessed V-type stake that the recessed V-type stake of multiple soil cement is adjacent with each two, gear soil for building basis, antiseep.
Description
Technical field
The present invention relates to a kind of agitation driller, the recessed V-type stake used in a kind of building foundation engineering and convex V-type stake
Mutually snap close forms the snap close V-type rig of V-type piling wall.
Background technology
Soil-cement rig be by the multiple drill bit of power drive rotate, multiple drill bits in rotation process by under drill bit
The earth cutting in portion stirs into cement earth pile with cement mortar, at present, and the cement earth pile reinforced for geology in building foundation engineering
It is all to be formed by multiple soil cement cylinders overlap joint.
Summary of the invention
The invention provides the snap close V-type rig of a kind of recessed V-type stake and convex V-type stake mutual snap close formation V-type piling wall.
The present invention is achieved through the following technical solutions:
A kind of recessed V-type stake and the convex mutual snap close of V-type stake form the snap close recessed V-type rig of recessed V-type piling wall, including recessed V-type rig and
Convex V-type rig.
Recessed V-type rig includes following structure: fixed drive machine five shell upper end, mobile jib one lower end, drives the defeated of machine five lower end
Shaft is fixed with a drill bit one, and mobile jib one bottom left rear side is fixed with stull one, and vertical brace is fixed in the left end bottom of stull one
The upper end of one, the lower end of vertical brace one is fixed on the centre of driving machine one shell, and the front end output shaft of driving machine one is fixed with front recessed
" ［ " sheave one, the rear end output shaft of driving machine one is fixed with rear recessed " ［ " sheave one；Mobile jib one bottom right lateral side is fixed with stull
Two, the upper end of vertical brace two is fixed in the right-hand member bottom of stull two, and the centre of driving machine two shell is fixed in the lower end of vertical brace two, drives
The front end output shaft of motivation two be fixed with front recessed " ［ " sheave two, the rear end output shaft of driving machine two be fixed with after recessed " ［ " sheave
Two；It is each that recessed " circumference of ［ " sheave is with " ［ " connected in star, the surface of groove is provided with multiple stirring knife.
Convex V-arrangement rig includes following structure: motor five shell upper end, the output shaft of motor five lower end are fixed in mobile jib two lower end
Being fixed with a drill bit two, mobile jib two bottom left rear side is fixed with cross bar one, and vertical rod one is fixed in the left end bottom of cross bar one
Upper end, the lower end of vertical rod one is fixed on the centre of motor one shell, and the front end output shaft of motor one is fixed with lordosis " ［ " sheave
One, the rear end output shaft of motor one is fixed with rear convex " ［ " sheave one；Cross bar two, cross bar two it is fixed with on rear side of mobile jib two lower right
Right-hand member bottom be fixed on the upper end of vertical rod two, the centre of motor two shell, the front end of motor two are fixed in the lower end of vertical rod two
Output shaft is fixed with lordosis, and " ［ " sheave two, the rear end output shaft of motor two is fixed with rear convex " ［ " sheave two；Each convex " ［ " sheave
Circumference with " ［ " shape rib is convex, and the convex surface of rib is provided with multiple stirring knife.
The present invention has a following feature:
The present invention can manufacture the convex V-type of soil cement between the soil cement recessed V-type stake that the recessed V-type stake of multiple soil cement is adjacent with each two
The V-type piling wall of stake mutually snap close, for gear soil, the antiseep on building basis.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings:
Fig. 1 is the front view of recessed V-type rig；
Fig. 2 is the rearview of recessed V-type rig；
Fig. 3 is the A A view of Fig. 1；
Fig. 4 is the B B view of Fig. 1；
Fig. 5 is the front view of convex V-type rig；
Fig. 6 is the rearview of convex V-type rig；
Fig. 7 is the C C view of Fig. 5；
Fig. 8 is the D D view of Fig. 5；
Fig. 9 is the cross-sectional view that multiple V-types that recessed V-type stake is formed with the convex mutual snap close of V-type stake are connected pile body.
In figure: 1, mobile jib one, 2, vertical brace one, 3, vertical brace two, 4, front recessed " ［ " sheave one, 5, front recessed " ［ " sheave two, 6, drive
Motivation one, 7, drive machine two, 8, stirring knife, 9, rear recessed " ［ " sheave one, 10, rear recessed " ［ " sheave two, 11, output shaft, 12, stull
One, 13, stull two, 14, drive machine five, 15, drill bit one；31, mobile jib two, 32, vertical rod one, 33, vertical rod two, 34, lordosis " ［ " groove
Wheel one, 35, lordosis " ［ " sheave two, 36, motor one, 37, motor two, 39, rear convex " ［ " sheave one, 40, rear convex " ［ " sheave two,
42, cross bar one, 43, cross bar two, 44, motor five, 45, drill bit two.
Detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment includes recessed V-type rig and convex V-type rig.
Recessed V-type rig includes the structure in Fig. 1, Fig. 2, Fig. 3, Fig. 4；On fixed drive machine 5 14 shell of mobile jib 1 lower end
End, the output shaft of driving machine five lower end is fixed with a drill bit 1, and mobile jib one bottom left rear side is fixed with stull 1, stull
The upper end of vertical brace 1 is fixed in the left end bottom of, and the centre of driving machine 1 shell is fixed in the lower end of vertical brace one, drives machine
The front end output shaft 11 of one be fixed with front recessed " ［ " sheave 1, the rear end output shaft 11 of driving machine one be fixed with after recessed " ［ " sheave
One 9；Mobile jib one bottom right lateral side is fixed with stull 2 13, and the upper end of vertical brace 23, vertical brace two are fixed in the right-hand member bottom of stull two
Lower end be fixed on the centre of driving machine 27 shell, the front end output shaft 11 of driving machine two is fixed with that front recessed " ［ " sheave 25, drives
The rear end output shaft of motivation two is fixed with rear recessed " ［ " sheave 2 10；It is each that recessed " circumference of ［ " sheave is with " ［ " connected in star, groove
Surface multiple stirring knife 8 is installed.
One end of driving machine one is provided with gear wheel reversing mechanism, thus drives machine one to drive the output shaft synchronous at two ends when working
Rotate backward.
One end of driving machine two is provided with gear wheel reversing mechanism, thus drives machine two to drive the output shaft synchronous at two ends when working
Rotate backward.
Recessed V-type rig is also equipped with grouting pump, during work grouting pump to drive machine one bottom, drive machine two bottom with
And the other grout injection of drill bit one lower part, driving machine five drives drill bit one rotation of its lower end when working, driving machine one works
Time drive before recessed " ［ " sheave one rotates forward, and after driving when driving machine one works, recessed " ［ " sheave one inverts, and driving machine two drives when working
It is recessed before dynamic that " ［ " sheave two rotates forward, and recessed after driving when driving machine two works " ［ " sheave two inverts；Drill bit one will in rotation process
The soil cutting of drill bit one lower end stirs with cement mortar, front recessed " ［ " sheave one, rear recessed " ［ " sheave one, front recessed " ［ " sheave two He
It is the most recessed that " soil cutting of its lower end is stirred in rotation by ［ " sheave two with cement mortar；Front recessed " ［ " sheave one and rear recessed " ［ " groove
Wheel one in rotation, left back end-grain cutting is cut stir into two recessed " ［ " shape, front recessed " ［ " sheave two and rear recessed " ［ " sheave two rotate
Middle cutting by right rear end stirs into two recessed " ［ " shapes；After mobile jib one forms a left back end and the right side during being pressed into downwards
End is respectively provided with two recessed " soil cement recessed V-type stakes of ［ " shape.
Convex V-arrangement rig includes the structure in Fig. 5, Fig. 6, Fig. 7, Fig. 8；Mobile jib 2 31 lower end is fixed on motor 5 44 shell
End, the output shaft of motor five lower end is fixed with a drill bit 2 45, and mobile jib two bottom left rear side is fixed with cross bar 1, cross bar one
Left end bottom be fixed on the upper end of vertical rod 1, the centre of motor 1 shell is fixed in the lower end of vertical rod one, motor one
Front end output shaft 11 is fixed with lordosis, and " ［ " sheave 1, the rear end output shaft 11 of motor one is fixed with rear convex " ［ " sheave 1；
Being fixed with cross bar 2 43 on rear side of mobile jib two lower right, the upper end of vertical rod 2 33 is fixed in the right-hand member bottom of cross bar two, vertical rod two
The centre of motor 2 37 shell is fixed in lower end, and the front end output shaft 11 of motor two is fixed with lordosis " ［ " sheave 2 35, motor two
Rear end output shaft be fixed with after convex " ［ " sheave 2 40；It is each that convex " circumference of ［ " sheave is with " ［ " shape rib is convex, the surface that rib is convex
Multiple stirring knife 8 is installed.
One end of motor one is provided with gear wheel reversing mechanism, and when thus motor one works, the output shaft synchronous at driving two ends is reverse
Rotate.
One end of motor two is provided with gear wheel reversing mechanism, and when thus motor two works, the output shaft synchronous at driving two ends is reverse
Rotate.
Convex V-arrangement rig is also equipped with grouting pump, grouting pump bottom, the bottom of motor two and brill to motor one during work
Two bottoms grout injections respectively, motor five drives drill bit two rotation of its lower end when working, before driving when motor one works
It is convex that " ［ " sheave one rotates forward, and convex after driving when motor one works " ［ " sheave one inverts, and drives lordosis " ［ " sheave when motor two works
Two rotate forward, and convex after driving when motor two works ［ sheave two inverts；The soil body of drill bit two lower end is cut in rotation process by drill bit two
Cut and cement mortar stirring, lordosis " ［ " sheave one, rear convex " ［ " sheave one, lordosis " ［ " sheave two and rear convex " ［ " sheave two rotate
Middle the soil cutting of its lower end and cement mortar are stirred；Lordosis " ［ " sheave one and rear convex " ［ " sheave one in rotation by left back end
Cutting stir into two convex " ［ " shape, lordosis " ［ " sheave two and rear convex " ［ " sheave two in rotation by right rear end cutting stir into
Two convex " ［ " shapes；Mobile jib two forms a left back end during being pressed into downwards and right rear end is respectively provided with two convex " ［ " shapes
Soil cement convex V-arrangement stake.
" " ［ " shape is coincide for ［ " shape and recessed V-type stake recessed for convex V-type stake convex.
The working method that recessed V-type rig manufactures V-type piling wall with convex V-type rig is as follows: in the position needing pile, use recessed V
Type rig manufactures a soil cement recessed V-type stake, right side of recessed V-type stake at this, interval according to the working method of above-mentioned recessed V-type rig
The distance of one convex V-type stake manufactures the recessed V-type stake of another soil cement, so manufacture the convex V-type pilespacing in one, multiple intervals from water
Earth recessed V-type stake, when the soil cement intensity of the soil cement on both sides recessed V-type stake reaches a timing, then between each two recessed V-type stake
Spacing in, manufacture soil cement the most reverse before and after with convex V-type rig respectively according to the working method of above-mentioned convex V-type rig convex
V-type stake, making two of each convex left front end of V-type stake, convex " ［ " shape is fit to two of the left side recessed V-type stake right rear end, and recessed " ［ " shape, makes
Two of each soil cement convex V-type stake right front ends convex " ［ " shape be fit to two of the recessed left back end of V-type stake in the right recessed " ［ " shape, so
Form the soil cement convex V-type mutual snap close of stake between the soil cement recessed V-type stake that the recessed V-type stake of multiple soil cement is adjacent with each two
V-type piling wall, for gear soil, the antiseep on building basis.
Claims (2)
1. a snap close V-type rig, including recessed V-type rig and convex V-type rig, it is characterised in that:
The concrete structure of described recessed V-type rig includes: fixed drive machine five (14) shell upper end, mobile jib one (1) lower end, drives machine
The output shaft of five lower ends is fixed with a drill bit one (15), and mobile jib one bottom left rear side is fixed with stull one (12), stull one
The upper end of vertical brace one (2) is fixed in left end bottom, and the centre of driving machine one (6) shell is fixed in the lower end of vertical brace one, drives machine
The front end output shaft (11) of one be fixed with front recessed " ［ " sheave one (4), drive machine one rear end output shaft (11) be fixed with after the most recessed
" ［ " sheave one (9)；Mobile jib one bottom right lateral side is fixed with stull two (13), and vertical brace two (3) is fixed in the right-hand member bottom of stull two
Upper end, the lower end of vertical brace two is fixed on the centre of driving machine two (7) shell, is driven the front end output shaft (11) of machine two to be fixed with
Before recessed " ［ " sheave two (5), the rear end output shaft of driving machine two be fixed with after recessed " ［ " sheave two (10)；Each recessed " ［ " sheave
Circumference is with " ［ " connected in star, the surface of groove is provided with multiple stirring knife (8)；
During the work of described recessed V-type rig, grouting pump is to driving the bottom of machine one, the bottom driving machine two and drill bit one lower part
Other grout injection, driving machine five drives drill bit one rotation of its lower end when working, recessed " ［ " groove before driving when driving machine one works
Wheel one rotating forward, recessed after driving when driving machine one works " ［ " sheave one inverts, recessed " ［ " sheave two before driving when driving machine two works
Rotating forward, recessed after driving when driving machine two works " ［ " sheave two inverts；Drill bit one in rotation process by the soil body of drill bit one lower end
Cutting with cement mortar stir, front recessed " ［ " sheave one, rear recessed " ［ " sheave one, front recessed " ［ " sheave two and rear recessed " ［ " sheave two turn
The soil cutting of its lower end is stirred by disorder of internal organs with cement mortar；Front recessed " ［ " sheave one and rear recessed " ［ " sheave one in rotation by left back
End-grain cutting cut stir into two recessed " ［ " shape, front recessed " ［ " sheave two and rear recessed " ［ " sheave two in rotation by right rear end cutting stirring
Become two recessed " ［ " shapes；Mobile jib one forms a left back end during being pressed into downwards and right rear end is respectively provided with two recessed " ［ "
The soil cement recessed V-type stake of shape；
The concrete structure of described convex V-arrangement rig includes: motor five (44) shell upper end, motor five times are fixed in mobile jib two (31) lower end
The output shaft of end is fixed with a drill bit two (45), and mobile jib two bottom left rear side is fixed with cross bar one (42), the left end of cross bar one
The upper end of vertical rod one (32) is fixed in bottom, and the centre of motor one (36) shell is fixed in the lower end of vertical rod one, before motor one
End output shaft (11) is fixed with lordosis, and " ［ " sheave one (34), the rear end output shaft (11) of motor one is fixed with rear convex " ［ " sheave one
(39)；Being fixed with cross bar two (43) on rear side of mobile jib two lower right, the upper end of vertical rod two (33) is fixed in the right-hand member bottom of cross bar two,
The centre of motor two (37) shell is fixed in the lower end of vertical rod two, and the front end output shaft (11) of motor two is fixed with lordosis " ［ " groove
Wheel two (35), the rear end output shaft of motor two is fixed with rear convex " ［ " sheave two (40)；It is each that convex " circumference of ［ " sheave is with " ［ "
Shape rib is convex, and the convex surface of rib is provided with multiple stirring knife 8；
During the work of described convex V-arrangement rig, bottom, the bottom of motor two and drill bit two bottom of motor one are filled by grouting pump respectively
Cement injection, motor five drives drill bit two rotation of its lower end when working, " ［ " sheave one is just to drive lordosis when motor one works
Turning, convex after driving when motor one works " ［ " sheave one inverts, and " ［ " sheave two rotates forward, motor two to drive lordosis when motor two works
It is convex after driving during work that ［ sheave two inverts；The soil cutting of drill bit two lower end is stirred in rotation process by drill bit two with cement mortar
Mix, lordosis " ［ " sheave one, rear convex " ［ " sheave one, lordosis " ［ " sheave two and rear convex " ［ " sheave two in rotation by its lower end
Soil cutting stirs with cement mortar；Lordosis " ［ " sheave one and rear convex " left back end-grain cutting is cut in rotation and stirred into two by ［ " sheave one
Individual convex " ［ " shape, lordosis " ［ " sheave two and rear convex " ［ " sheave two in rotation by right rear end cutting stir into two convex " ［ " shapes；
Mobile jib two forms a left back end during being pressed into downwards and right rear end is respectively provided with two convex " convex V of soil cement of ［ " shape
Shape stake；
Described recessed V-type rig manufactures the working method of V-type piling wall with described convex V-type rig: in the position needing pile, use recessed V
Type rig manufactures a soil cement recessed V-type stake, right side of recessed V-type stake at this, interval according to the working method of above-mentioned recessed V-type rig
The distance of one convex V-type stake manufactures the recessed V-type stake of another soil cement, so manufacture the convex V-type pilespacing in one, multiple intervals from water
Earth recessed V-type stake, when the soil cement intensity of the soil cement on both sides recessed V-type stake reaches a timing, then between each two recessed V-type stake
Spacing in, manufacture soil cement the most reverse before and after with convex V-type rig respectively according to the working method of above-mentioned convex V-type rig convex
V-type stake, making two of each convex left front end of V-type stake, convex " ［ " shape is fit to two of the left side recessed V-type stake right rear end, and recessed " ［ " shape, makes
Two of each soil cement convex V-type stake right front ends convex " ［ " shape be fit to two of the recessed left back end of V-type stake in the right recessed " ［ " shape, so
Form the soil cement convex V-type mutual snap close of stake between the soil cement recessed V-type stake that the recessed V-type stake of multiple soil cement is adjacent with each two
V-type piling wall, for gear soil, the antiseep on building basis.
Snap close V-type rig the most according to claim 1, it is characterised in that: convex " ［ " shape and the described recessed V of described convex V-type stake
Type stake recessed " ［ " shape coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627855.6A CN106149704A (en) | 2016-08-03 | 2016-08-03 | Snap close V-type rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627855.6A CN106149704A (en) | 2016-08-03 | 2016-08-03 | Snap close V-type rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106149704A true CN106149704A (en) | 2016-11-23 |
Family
ID=57328111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610627855.6A Withdrawn CN106149704A (en) | 2016-08-03 | 2016-08-03 | Snap close V-type rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106149704A (en) |
-
2016
- 2016-08-03 CN CN201610627855.6A patent/CN106149704A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161123 |
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| WW01 | Invention patent application withdrawn after publication |