Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1978-09-11
1980-10-21
Corbin, David H.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405169, 405193, B63C 1100, F16L 104
Patent
active
042291208
ABSTRACT:
A submarine pipeline alignment rig includes a working section and a detachable truss section having a fixed fulcrum for engagement with a submerged conduit section. The rig also includes a vertically movable housing which provides an encapsulated underwater work space that may be positioned around the exposed end of the submerged conduit section. A manipulator mounted on the housing affects alignment of conduit sections relative to each other by pivoting them about the fixed fulcrum so that adjacent conduit sections can be connected or repaired. Locking devices avoid inadvertent release of conduit sections from the alignment rig and enhance operating safety. Both incremental and continuous vertical adjustments are provided for the locking devices of the fulcrum and the manipulator to accomodate conduits of various nominal sizes.
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Gaudiano Anthony V.
Wallace Kenneth W.
Corbin David H.
Taylor Diving & Salvage Co., Inc.
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