Casing and rod handler

Material or article handling – Load support has linear vertical movement and additional...

Reexamination Certificate

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Details

C414S746500, C414S910000, C138S113000

Reexamination Certificate

active

07946798

ABSTRACT:
A casing pipe and drill rod handler for joining the drill rod in a casing pipe. A pipe sled is provided on a drilling rig, the pipe sled comprising an elongated track with a cart slidably mounted on the track to accommodate the casing pipe. A drill rod guide is provided at one end of the track to guide a drill rod as it is positioned and then inserted into the casing pipe.

REFERENCES:
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patent: 4253792 (1981-03-01), Nishikawa
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patent: 5174389 (1992-12-01), Hansen
patent: 7090035 (2006-08-01), Lesko
patent: 7246987 (2007-07-01), Jagos et al.
patent: 2006/0243488 (2006-11-01), Pietras

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