Method and device for drilling, particularly percussion or...

Details Method and device for drilling, particularly percussion or... Method and device for drilling, particularly percussion or...

2011-01-25

2011-01-25

Gay, Jennifer H (Department: 3676)

Boring or penetrating the earth

Processes

C175S230000, C175S040000, C175S118000, C405S259300, C405S259400

Reexamination Certificate

active

07874380

ABSTRACT:
A method and device for drilling, particularly percussion drilling or rotary percussion drilling a hole in soil or rock material and fixing an anchoring in the hole. To this end, a drilled hole is made by a drill bit mounted on a drill rod. The drill rod, on the rear side facing away from the drilling surface of the drill bit, is surrounded at a distance from the drill bit by an anchoring element whose outside dimension exceeds, at least in part, the circumference of the drilled hole made by the drill bit.

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