Lay ramp for an underwater-pipeline laying vessel, lay ramp actuating method, and laying vessel comprising such a lay ramp
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United States of America Patent
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Nov 6, 2012
Grant Date -
Apr 8, 2010
app pub date -
Dec 21, 2007
filing date -
Jan 17, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lay ramp for an underwater-pipeline laying vessel has an inside ramp hinged to the laying vessel; an outside ramp hinged to the inside ramp; and an actuating device having a first actuating assembly for rotating the inside ramp with respect to the laying vessel, and a second actuating assembly secured to the outside ramp and to the first actuating assembly to rotate the outside ramp with respect to the inside ramp.
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