Title:
地盤または岩盤にボーリングで孔をあけるための方法および装置
Document Type and Number:
Japanese Patent JP2007507626
Kind Code:
A
Abstract:
In a method and device for boring or drilling, in particular percussion drilling or rotary percussion drilling, holes in soil or rock, wherein a borehole is formed by a percussive and/or rotary movement carried out by a drill bit ( 2 ) mounted on a drill rod assembly ( 3 ) and a jacket tube ( 6 ) coupled with the drill bit ( 2 ) is introduced into the borehole, it is provided that the jacket tube ( 6 ) is received in a socket ( 5 ) provided on the end facing away from the drill bit working surface, of an envelope tube ( 4 ) coupled with the drill bit ( 2 ), and that the jacket tube ( 6 ) is subjected to a percussive and/or compressive stress on its end facing away from the drill bit, whereby directionally precise boring or drilling is rendered feasible.
Inventors:
Mosefnik, Joseph
Eger-Mosiffnik, Rene
Eger-Mosiffnik, Rene
Application Number:
JP2006529426A
Publication Date:
March 29, 2007
Filing Date:
September 28, 2004
Export Citation:
Assignee:
Arlberg Tounnerausbau Gezershyaft Mb Her
International Classes:
E21B1/14; E21B7/20
Domestic Patent References:
| JP2000337079A | 2000-12-05 | |||
| JP2000008756A | 2000-01-11 |
Attorney, Agent or Firm:
Yoshio Kawaguchi
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura