F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 1/16 (2006.01) F16L 1/20 (2006.01) F16L 1/23 (2006.01)
Patent
CA 2171411
The invention relates to a method for laying a pipeline on a surface located under water, wherein the pipeline is held fixedly by means of tensioning means which comprise a plurality of tensioning elements each extending between at least one clamping member engaging on the pipeline and at least one support member connected to a vessel. In the known method the tensioning means consist of a plurality of sets of endless clamping bands which apply a braking action to the pipeline. Such a method is not practically suitable for laying a heavy pipeline on for instance a deep sea-bed. The invention has for its object, to provide a method which is practically suitable for this purpose in that at least one first set of clamping jaws is clamped fixedly to the pipeline and then move along with the pipeline from a starting position to a releasing position, while this first set of clamping jaws is held fixedly by means of easing holding means while at least one other set of clamping jaws is released from the pipeline and returned to a starting position.
Kalkman Piet
Klaas de Groot Anne
Roodenburg Joop
Allseas Group S.a.
Fetherstonhaugh & Co.
Huisman Special Lifting Equipment B.v.
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