Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,...
Patent
1998-03-30
1999-10-26
Bagnell, David
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
405157, 248 49, F16L 100
Patent
active
059716649
ABSTRACT:
Apparatus and a method for accurately positioning a conduit. The apparatus comprises a vertical tubular section with first and second arms at right angles to the vertical section. The first arm supports a conduit and the second is a fixed and accurate height above the first. A surveying instrument a removeably mounted on the second arm to enable the conduit to be accurately vertically placed. A set screw holds the vertical section in place.
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Bagnell David
Gron Gary M.
Lagman Frederick L.
Wilson Family Trust
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