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1. WO1996006261 - DEVICE AND METHOD FOR AUGERING A CONICAL HOLE IN SOLID MEDIA

Publication Number WO/1996/006261
Publication Date 29.02.1996
International Application No. PCT/US1995/009765
International Filing Date 01.08.1995
IPC
E02D 5/80 2006.01
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
5Bulkheads, piles, or other structural elements specially adapted to foundation engineering
74Means for anchoring structural elements or bulkheads
80Ground anchors
E21B 10/32 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
10Drill bits
26Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
32with expansible cutting tools
CPC
E02D 5/80
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
5Bulkheads, piles, or other structural elements specially adapted to foundation engineering
74Means for anchoring structural elements or bulkheads
80Ground anchors
E21B 10/322
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
10Drill bits
26Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
32with expansible cutting tools
322cutter shifted by fluid pressure
Applicants
  • COLLINS, James, S. [US/US]; US
Inventors
  • COLLINS, James, S.; US
Agents
  • ZEISENHEIM, Frederick, B.; Webb Ziesenheim Bruening Logsdon Orkin & Hanson 700 Koppers Building 436 Seventh Avenue Pittsburgh, PA 15219-1818, US
Priority Data
08/292,84919.08.1994US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DEVICE AND METHOD FOR AUGERING A CONICAL HOLE IN SOLID MEDIA
(FR) DISPOSITIF ET PROCEDE DESTINES A FORER PAR TARIERE UN TROU CONIQUE DANS UN MILIEU SOLIDE
Abstract
(EN)
A device for augering a conical hole in a solid medium that includes a first elongated member (54) extends along a longitudinal axis (x) and a cutting blade (60) having a cutting section (64) and a non-cutting section (66) coupled to the first elongated member (54). The rod (54) is adapted to be rotated about the longitudinal axis (x). A motor (212) is coupled to the first elongated member (54) which rotates the cutting blade (60) about the longitudinal axis. A shroud (80) is provided through which the first elongated member passes. The shroud attaches to a hydraulic unit (100). Activation of the hydraulic unit (100) causes the first elongated member (54) to move in a longitudinal direction, which causes the cutting blade (60) to move in a radial direction thereby forming a conical hole in a solid medium. The device is used for forming holes used in foundation and anchors. Also disclosed is a method of operation of the device to form a conical hole in solid media.
(FR)
Un dispositif servant à forer par tarière un trou conique dans un milieu solide comprend un premier élément allongé (54) qui s'étend sur un axe longitudinal (x) et une lame de coupe (60) présentant une partie de coupe (64) et une partie non coupante (66) accouplée à l'élément allongé (54). La tige (54) est conçue pour être mise en rotation autour de l'axe longitudinal (x). Un moteur (212) est accouplé au premier élément allongé (54) qui fait tourner la lame (60) autour de l'axe longitudinal. Une enveloppe (80) à travers laquelle passe le premier élément allongé est également prévue. Cette enveloppe se fixe à un organe hydraulique (100) dont l'actionnement entraîne le déplacement du premier élément allongé (54) dans une direction longitudinale, ce qui entraîne le déplacement de la lame (60) dans une direction radiale afin de creuser un trou conique dans le milieu solide. Ce dispositif est utilisé pour creuser des trous destinés à des fondations et à des systèmes d'ancrage. L'invention se rapporte en outre à un procédé de mise en oeuvre du dispositif pour pratiquer un trou conique dans un milieu solide.
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