Drill rod support, and drill rod support half

Boring or penetrating the earth – With above-ground guide for relatively advancing tool

Reexamination Certificate

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Details

C173S184000

Reexamination Certificate

active

07814994

ABSTRACT:
Drill rod support (10) comprising means capable of moving two opposing drill rod support halves (20), each half (20) comprising a surface (21) for direct contact with the drill string (30), and the half being provided with a recess (23) capable of forming a drill string opening (22) with an opposing drill rod support half (20), the recess (23) being generally V-shaped, for enabling guiding of drill strings (30) of different shape and dimension. The invention is characterized in that the drill rod support halves (20) are movable to and from each other, for enabling contact with the drill string (30). The invention also relates to a drill rod support half (20) for use in such drill rod support.

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