Hydraulic and earth engineering – Marine structure or fabrication thereof – With pivotal connection between work deck and base
Patent
1984-06-07
1987-05-19
Corbin, David H.
Hydraulic and earth engineering
Marine structure or fabrication thereof
With pivotal connection between work deck and base
405224, E02D 2100
Patent
active
046663398
ABSTRACT:
An offshore mooring system is provided which is especially useful for mooring ships in moderately shallow seas such as on the order of 300 feet. The system is of the type which includes a tower having a lower end pivotally mounted to the sea floor and an upper end lying above the sea surface and connected through a hawser to a ship. A group of long chains have lower ends anchored at locations spaced about the tower, and upper ends connected to an upper portion of the tower. The chains extend in loose catenary curves, with most of the chain lengths lying on the sea floor in the vertical tower condition, to permit the tower to tilt in any direction by at least 20.degree. from an initial vertical orientation before one of the chains is pulled taut.
REFERENCES:
patent: 2986888 (1961-06-01), Borrmann et al.
patent: 4100752 (1978-07-01), Tucker
patent: 4109479 (1978-08-01), Godeau et al.
patent: 4152088 (1979-05-01), Vilain
patent: 4155673 (1979-05-01), Yashima
Amtel, Inc.
Corbin David H.
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