Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1983-05-16
1985-06-04
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
226 25, 226 35, 226108, 226188, 226195, 405165, B63B 3504, B65H 1734
Patent
active
045211329
ABSTRACT:
A method and apparatus for allowing the simultaneous laying of at least two pipes from a pipe-laying barge using at least two coaxially aligned pipe tensioners, wherein a first pipe tensioner tensions a first pipe and allows a second pipe to pass freely through the tensioner, while a second pipe tensioner tensions the second pipe and allows the first pipe to pass freely through it. The apparatus preferably uses modified conventional equipment so that the barge will be able to lay large pipe with the conventional "stovepipe" laying operation.
REFERENCES:
patent: 3392896 (1968-07-01), Ullman
patent: 3473715 (1969-10-01), Shuey
patent: 3658222 (1972-04-01), Dressel et al.
patent: 3669329 (1972-06-01), Blanchet et al.
patent: 3722769 (1973-03-01), Aplet et al.
patent: 3739971 (1973-06-01), Silvestri et al.
Isakson John E.
Nutting H. Eugene
Taylor Dennis L.
Western Gear Machinery Co.
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