Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1987-07-13
1989-03-07
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
226195, 405158, 405165, B63B 3504
Patent
active
048101320
ABSTRACT:
A pipe tensioner machine for off-shore pipe laying operations having adjustable squeeze elements for the transfer of tension to the pipes comprises four tensionbanks orientated in an angle of substantially 90.degree. to each other and adjustable by an adjustment device mounted within a frame structure. The tension banks are moveable along guides, said guides having an inclination with respect to the horizontal of substantially 22.5.degree.. The tensionbanks comprise revolving tracks supported by rollers which in turn are supported in groups by levers.
REFERENCES:
patent: 3372461 (1968-03-01), Tesson
patent: 3658222 (1972-04-01), Dressel et al.
patent: 3685306 (1972-08-01), Mott
patent: 3855835 (1974-12-01), Tisdale
patent: 4157023 (1979-06-01), Tisdale et al.
patent: 4521132 (1985-06-01), Isakson et al.
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