Rock anchor

Details Rock anchor Rock anchor

2006-04-25

2006-04-25

Singh, Sunil (Department: 3673)

Hydraulic and earth engineering

Earth treatment or control

Rock or earth bolt or anchor

C411S397000

Reexamination Certificate

active

07033117

ABSTRACT:
A self-drilling rock anchor includes an anchor tube (2), a drill head (6) provided at the first end (5), an outer thread (8) provided at least in a region of the second, free end (7) of the anchor tube and an adapter (11) releasably connectable with the anchor tube (2) and having an inner thread (17) for engaging the outer thread (8) of the anchor tube (2), a screw stop (14), and a quick-intervention element (15) connectable with a rotatable chuck of a drilling tool the rock anchor is driven-in with.

REFERENCES:
patent: 4157677 (1979-06-01), Deutschenbaur et al.
patent: 4636115 (1987-01-01), Davis et al.
patent: 4984937 (1991-01-01), Karpellus
patent: 3610880 (1993-07-01), None
patent: 9535024 (1996-03-01), None
patent: 9607988 (1997-09-01), None
patent: 0148683 (2002-10-01), None
patent: 1077305 (2001-02-01), None
patent: 2030486 (1980-04-01), None
patent: 0111193 (2001-02-01), None
patent: 3008763 (2003-01-01), None

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