CN105951820A - Interlock V-shaped stirring and drilling machine - Google Patents
Interlock V-shaped stirring and drilling machine Download PDFInfo
- Publication number
- CN105951820A CN105951820A CN201610572644.7A CN201610572644A CN105951820A CN 105951820 A CN105951820 A CN 105951820A CN 201610572644 A CN201610572644 A CN 201610572644A CN 105951820 A CN105951820 A CN 105951820A
- Authority
- CN
- China
- Prior art keywords
- convex
- fixed
- motor
- recessed
- type
- 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.)
- Withdrawn
Links
- 238000003756 stirring Methods 0.000 title claims abstract description 22
- 238000005553 drilling Methods 0.000 title abstract 6
- 239000002689 soil Substances 0.000 claims abstract description 46
- 239000004568 cement Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 13
- 239000011083 cement mortar Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 238000013019 agitation Methods 0.000 claims description 7
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000011440 grout Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/165—Shapes polygonal
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/0023—Slurry
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Paleontology (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention relates to an interlock V-shaped stirring and drilling machine comprising a concave V-shaped drilling machine and a convex V-shaped drilling machine. A plurality of cemented soil concave V-shaped piles which are spaced apart by a distance of one convex V-shaped pile are manufactured; when the cemented soil strength of the concave V-shaped piles at the two sides reaches a constant value, a front-back inverted cemented soil convex V-shaped pile is manufactured respectively between every two convex V-shaped piles within the interval distance by the convex V-shaped drilling machine according to the work mode of the convex V-shaped drilling machine to enable the convex surfaces on both sides of every cemented soil convex V-shaped pile to fit with the concave surfaces of the concave V-shaped piles on both sides, thereby forming a V-shaped pile wall with interlocking between the plurality of cemented soil concave V-shaped piles and the cemented soil convex V-shaped piles between every two adjacent concave V-shaped piles. The pile wall is used for soil retaining and seepage preventing of building foundations.
Description
Technical field
The present invention relates to a kind of agitation driller, what the recessed V-type stake used in a kind of building foundation engineering was mutually twisted formation V-type piling wall with convex V-type stake is engaged V-type agitation driller.
Background technology
Soil-cement rig is to be rotated by the multiple drill bit of power drive, the earth of drill bit bottom is cut in rotation process and stirs into cement earth pile with cement mortar by multiple drill bits, at present, the cement earth pile reinforced for geology in building foundation engineering is all to be formed by multiple soil cement cylinders overlap joint.
Summary of the invention
The invention provides a kind of recessed V-type stake be mutually twisted with convex V-type stake formed V-type piling wall be engaged V-type agitation driller.
The present invention is achieved through the following technical solutions:
A kind of recessed V-type stake be mutually twisted with convex V-type stake formed recessed V-type piling wall be engaged recessed V-type rig, including recessed V-type rig and convex V-type agitation driller.
Recessed V-type rig includes following structure: fixed motor five shell upper end, mobile jib one lower end, the output shaft of motor five lower end is fixed with a drill bit one, mobile jib one bottom left rear side is fixed with stull one, the upper end of vertical brace one is fixed in the left end bottom of stull one, the centre of motor one shell is fixed in the lower end of vertical brace one, the front end output shaft of motor one is positive round platform one before being fixed with, and the rear end output shaft of motor one is positive round platform one after being fixed with;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, the centre of motor two shell is fixed in the lower end of vertical brace two, and the front end output shaft of motor two is positive round platform two before being fixed with, and the rear end output shaft of motor two is positive round platform two after being fixed with;Front positive round platform one and rear positive round platform synthesize a cylinder one with a tight waist for a pair, and the surface of cylinder one with a tight waist is provided with multiple stirring knife;Front positive round platform two and rear positive round platform two are provided with multiple stirring knife to one cylinder two with a tight waist of synthesis, the surface of cylinder two with a tight waist.
Convex V-arrangement rig includes following structure: motor five shell upper end is fixed in mobile jib two lower end, the output shaft of motor five lower end is fixed with a drill bit two, mobile jib two bottom left rear side is fixed with cross bar one, the upper end of vertical rod one is fixed in the left end bottom of cross bar one, the centre of motor one shell is fixed in the lower end of vertical rod one, the front end output shaft of motor one is fixed with front inverted round stage one, and the rear end output shaft of motor one is fixed with rear inverted round stage one;It is fixed with cross bar two on rear side of mobile jib two lower right, the upper end of vertical rod two is fixed in the right-hand member bottom of cross bar two, the centre of motor two shell is fixed in the lower end of vertical rod two, and the front end output shaft of motor two is fixed with front inverted round stage two, and the rear end output shaft of motor two is fixed with rear inverted round stage two;Front inverted round stage one and rear inverted round stage synthesize a convex oval post one for a pair, and the surface of convex oval post one is provided with multiple stirring knife;Front inverted round stage two and rear inverted round stage two are to one convex oval post two of synthesis, and the surface of convex oval post two is provided with multiple stirring knife.
The present invention has a following feature:
The present invention can manufacture the V-type piling wall that the soil cement convex V-type stake between the soil cement recessed V-type stake that the recessed V-type stake of multiple soil cement is adjacent with each two is mutually twisted, 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 that recessed V-type stake is mutually twisted multiple V-types of formation and is connected the cross-sectional view of pile body with convex V-type stake.
In figure: 1, mobile jib one, 2, vertical brace one, 3, vertical brace two, 4, front positive round platform one, 5, front positive round platform two, 6, motor one, 7, motor two, 8, stirring knife, 9, rear positive round platform one, 10, rear positive round platform two, 11, output shaft, 12, stull one, 13, stull two, 14, motor five, 15, drill bit one;31, mobile jib two, 32, vertical rod one, 33, vertical rod two, 34, front inverted round stage one, 35, front inverted round stage two, 36, motor one, 37, motor two, 39, rear inverted round stage one, 40, rear inverted round stage 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;Fixed motor 5 14 shell upper end, mobile jib 1 lower end, the output shaft of motor five lower end is fixed with a drill bit 1, mobile jib one bottom left rear side is fixed with stull 1, the upper end of vertical brace 1 is fixed in the left end bottom of stull one, the centre of motor 1 shell is fixed in the lower end of vertical brace one, the front end output shaft 11 of motor one is positive round platform 1 before being fixed with, and the rear end output shaft 11 of motor one is positive round platform 1 after being fixed with;Mobile jib one bottom right lateral side is fixed with stull 2 13, the upper end of vertical brace 23 is fixed in the right-hand member bottom of stull two, the centre of motor 27 shell is fixed in the lower end of vertical brace two, the front end output shaft 11 of motor two is positive round platform 25 before being fixed with, and the rear end output shaft of motor two is positive round platform 2 10 after being fixed with;Front positive round platform one and rear positive round platform synthesize a cylinder one with a tight waist for a pair, and the surface of cylinder one with a tight waist is provided with multiple stirring knife 8;Front positive round platform two and rear positive round platform two are provided with multiple stirring knife to one cylinder two with a tight waist of synthesis, the surface of cylinder two with a tight waist.
Recessed V-type rig is also equipped with grouting pump, the bottom of grouting pump halved tie oval post one, the bottom of cylinder two with a tight waist and drill bit one lower part other grout injection during work, motor five drives drill bit one rotation of its lower end when working, drive front positive round platform one and the rotating forward of rear positive round platform one when motor one works, when motor two works, drive front positive round platform two and the reversion of rear positive round platform two;The soil cutting of drill bit one lower end is stirred in rotation process by drill bit one with cement mortar, and the soil cutting of its lower end is stirred in rotation by cylinder one with a tight waist, cylinder two with a tight waist with cement mortar;Cylinder one with a tight waist in rotation, left back end-grain cutting is cut stir into recessed "?" shape, cylinder two with a tight waist in rotation, right rear end cutting is stirred into recessed "?" shape;Mobile jib one formed during being pressed into downwards a left back end and right rear end be respectively provided with recessed "?" the soil cement recessed V-type stake of shape.
Convex V-arrangement rig includes the structure in Fig. 5, Fig. 6, Fig. 7, Fig. 8;Motor 5 44 shell upper end is fixed in mobile jib 2 31 lower end, the output shaft of motor five lower end is fixed with a drill bit 2 45, mobile jib two bottom left rear side is fixed with cross bar 1, the upper end of vertical rod 1 is fixed in the left end bottom of cross bar one, the centre of motor 1 shell is fixed in the lower end of vertical rod one, the front end output shaft 11 of motor one is fixed with front inverted round stage 1, and the rear end output shaft 11 of motor one is fixed with rear inverted round stage 1;It is 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, the centre of motor 2 37 shell is fixed in the lower end of vertical rod two, the front end output shaft 11 of motor two is fixed with front inverted round stage 2 35, and the rear end output shaft of motor two is fixed with rear inverted round stage 2 40;Front inverted round stage one and rear inverted round stage synthesize a convex oval post one for a pair, and the surface of convex oval post one is provided with multiple stirring knife 8;Front inverted round stage two and rear inverted round stage two are to one convex oval post two of synthesis, and the surface of convex oval post two is provided with multiple stirring knife.
Convex V-arrangement rig is also equipped with grouting pump, grouting pump bottom, the bottom of convex oval post two and the drill bit two bottom grout injection respectively to convex oval post one during work, motor five drives drill bit two rotation of its lower end when working, drive front inverted round stage one and rear inverted round stage one rotating forward when motor one works, when motor two works, drive front inverted round stage two and rear inverted round stage two reversion;The soil cutting of drill bit two lower end is stirred in rotation process by drill bit two with cement mortar, and the soil cutting of its lower end is stirred in rotation by convex oval post one, convex oval post two with cement mortar;Convex oval post one in rotation, left back end-grain cutting is cut stir into convex "?" shape, convex oval post two in rotation by right rear end cutting stir into convex "?" shape;Mobile jib two formed during being pressed into downwards a left back end and right rear end be respectively provided with convex "?" the soil cement convex V-arrangement stake of shape.
Convex V-type stake convex "?" shape and recessed V-type stake recessed "?" shape coincide.
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, a soil cement recessed V-type stake is manufactured according to the working method of above-mentioned recessed V-type rig with recessed V-type rig, right side of recessed V-type stake at this, the distance being spaced a 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 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, make two ends, each soil cement convex V-type stake left and right convex "?" shape be fit to the recessed V-type stake of the right and left recessed "?" shape, the V-type piling wall that the soil cement convex V-type 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 is mutually twisted, for gear soil, the antiseep on building basis.
Claims (2)
1. an occlusion V-type agitation driller, 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: mobile jib one (1) lower end fixed motor five (14) shell upper end, the output shaft of motor five lower end is fixed with a drill bit one (15), mobile jib one bottom left rear side is fixed with stull one (12), the upper end of vertical brace one (2) is fixed in the left end bottom of stull one, the centre of motor one (6) shell is fixed in the lower end of vertical brace one, the front end output shaft (11) of motor one is positive round platform one (4) before being fixed with, and the rear end output shaft (11) of motor one is positive round platform one (9) after being fixed with;Mobile jib one bottom right lateral side is fixed with stull two (13), the upper end of vertical brace two (3) is fixed in the right-hand member bottom of stull two, the centre of motor two (7) shell is fixed in the lower end of vertical brace two, the front end output shaft (11) of motor two is positive round platform two (5) before being fixed with, and the rear end output shaft of motor two is positive round platform two (10) after being fixed with;Front positive round platform one and rear positive round platform synthesize a cylinder one with a tight waist for a pair, and the surface of cylinder one with a tight waist is provided with multiple stirring knife (8);Front positive round platform two and rear positive round platform two are provided with multiple stirring knife to one cylinder two with a tight waist of synthesis, the surface of cylinder two with a tight waist;
The working method of described recessed V-type rig is: the bottom of grouting pump halved tie oval post one, the bottom of cylinder two with a tight waist and drill bit one lower part other grout injection during work, motor five drives drill bit one rotation of its lower end when working, drive front positive round platform one and the rotating forward of rear positive round platform one when motor one works, when motor two works, drive front positive round platform two and the reversion of rear positive round platform two;The soil cutting of drill bit one lower end is stirred in rotation process by drill bit one with cement mortar, and the soil cutting of its lower end is stirred in rotation by cylinder one with a tight waist, cylinder two with a tight waist with cement mortar;Cylinder one with a tight waist in rotation, left back end-grain cutting is cut stir into recessed "?" shape, cylinder two with a tight waist in rotation, right rear end cutting is stirred into recessed "?" shape;Mobile jib one formed during being pressed into downwards a left back end and right rear end be respectively provided with recessed "?" the soil cement recessed V-type stake of shape;
The structure of described convex V-arrangement rig includes: motor five (44) shell upper end is fixed in mobile jib two (31) lower end, the output shaft of motor five lower end is fixed with a drill bit two (45), mobile jib two bottom left rear side is fixed with cross bar one (42), the upper end of vertical rod one (32) is fixed in the left end bottom of cross bar one, the centre of motor one (36) shell is fixed in the lower end of vertical rod one, the front end output shaft (11) of motor one is fixed with front inverted round stage one (34), and the rear end output shaft (11) of motor one is fixed with rear inverted round stage one (39);Cross bar two (43) it is fixed with 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 2 37 shell is fixed in the lower end of vertical rod two, the front end output shaft (11) of motor two is fixed with front inverted round stage two (35), and the rear end output shaft of motor two is fixed with rear inverted round stage two (40);Front inverted round stage one and rear inverted round stage synthesize a convex oval post one for a pair, and the surface of convex oval post one is provided with multiple stirring knife 8;Front inverted round stage two and rear inverted round stage two are to one convex oval post two of synthesis, and the surface of convex oval post two is provided with multiple stirring knife;
The working method of described convex V-arrangement rig is: grouting pump bottom, the bottom of convex oval post two and the drill bit two bottom grout injection respectively to convex oval post one during work, motor five drives drill bit two rotation of its lower end when working, drive front inverted round stage one and rear inverted round stage one rotating forward when motor one works, when motor two works, drive front inverted round stage two and rear inverted round stage two reversion;The soil cutting of drill bit two lower end is stirred in rotation process by drill bit two with cement mortar, and the soil cutting of its lower end is stirred in rotation by convex oval post one, convex oval post two with cement mortar;Convex oval post one in rotation, left back end-grain cutting is cut stir into convex "?" shape, convex oval post two in rotation by right rear end cutting stir into convex "?" shape;Mobile jib two formed during being pressed into downwards a left back end and right rear end be respectively provided with convex "?" the soil cement convex V-arrangement stake of shape;
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, a soil cement recessed V-type stake is manufactured according to the working method of above-mentioned recessed V-type rig with recessed V-type rig, right side of recessed V-type stake at this, the distance being spaced a 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 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, make two ends, each soil cement convex V-type stake left and right convex "?" shape be fit to the recessed V-type stake of the right and left recessed "?" shape, the V-type piling wall that the soil cement convex V-type 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 is mutually twisted, for gear soil, the antiseep on building basis.
Occlusion V-type agitation driller the most according to claim 1, it is characterised in that: described convex V-type stake convex "?" shape and described recessed V-type stake recessed "?" shape coincide.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610572644.7A CN105951820A (en) | 2016-07-20 | 2016-07-20 | Interlock V-shaped stirring and drilling machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610572644.7A CN105951820A (en) | 2016-07-20 | 2016-07-20 | Interlock V-shaped stirring and drilling machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105951820A true CN105951820A (en) | 2016-09-21 |
Family
ID=56900419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610572644.7A Withdrawn CN105951820A (en) | 2016-07-20 | 2016-07-20 | Interlock V-shaped stirring and drilling machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105951820A (en) |
-
2016
- 2016-07-20 CN CN201610572644.7A patent/CN105951820A/en not_active Withdrawn
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106013083A (en) | Concave-convex interlocking drilling machine | |
CN106013129A (en) | Y-shaped concave-convex interlocking drilling machine | |
CN106088057A (en) | Snap close V-type agitation driller | |
CN105951820A (en) | Interlock V-shaped stirring and drilling machine | |
CN106013082A (en) | Concave-convex locking drilling machine | |
CN106013079A (en) | Concave-convex nipped drilling machine | |
CN106013131A (en) | Engagement V-shaped stirring driller | |
CN105951821A (en) | Seamed V-shaped drilling machine | |
CN106065607A (en) | Occlusion V-type rig | |
CN106120766A (en) | Convex-concave snap close V-type rig | |
CN106013081A (en) | Nipped-buckled V-shaped mixing and drilling machine | |
CN106120749A (en) | Occlusion Y type rig | |
CN106149695A (en) | Occlusion V-type rig | |
CN106013085A (en) | Y-shaped concave-convex interlocking drilling machine | |
CN106013130A (en) | Engagement V-shaped driller | |
CN106088051A (en) | Seaming rig | |
CN105908737A (en) | Buckled Y-shaped pile forming machine | |
CN106149691A (en) | Snap close V-type rig | |
CN106120765A (en) | Convex-concave seaming V-type rig | |
CN106193007A (en) | Grafting V-type rig | |
CN105971501A (en) | Insertion Y-shaped pile forming machine | |
CN106013084A (en) | Y-shaped concave-convex splicing drilling machine | |
CN106120764A (en) | Fasten V-type rig | |
CN106088050A (en) | Concavo-convex seaming agitation driller | |
CN106065606A (en) | Sealed V-type rig |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160921 |