Method and device for drilling a hole and for securing an...

Details Method and device for drilling a hole and for securing an... Method and device for drilling a hole and for securing an...

2006-07-25

2006-07-25

Neuder, William (Department: 3672)

Boring or penetrating the earth

Boring without earth removal

Drive point detached from shaft to form cased bore or with...

C175S171000, C175S320000, C405S259300

Reexamination Certificate

active

07080697

ABSTRACT:
A method and a device for the drilling, in particular the percussive or percussive rotary drilling of a hole in earth or rock and for securing an anchorage in the hole. A bore hole is created by a drill bit mounted on a drill pipe and a sliding sleeve that surrounds the drill pipe at a distance is simultaneously introduced. A sliding sleeve configured with a longitudinal slit is introduced at least partially and rests substantially against the bore hole during the drilling, whereby a reliable anchorage can be achieved with a simple construction by the sliding sleeve with a longitudinal slit.

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patent: WO98/21439 (1998-05-01), None
patent: WO98/58132 (1998-12-01), None

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