Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1985-05-06
1986-10-07
Husar, Cornelius J.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
114 42, 37 67, 299 81, 405166, F16L 104
Patent
active
046156453
ABSTRACT:
A hollow curved auger is provided for simultaneously laying and trenching a pipeline, as from the surface of an ice-covered body of water. The pipeline passes through the auger which comprises rotary teeth encircling the pipeline and turning in opposed directions. The depth and direction of pipeline trenching and burial are controlled by varying the longitudinal force in the pipe and rotational orientation of the auger.
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Hall Kristina I.
Husar Cornelius J.
Shell Oil Company
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