Permanent anchoring arrangement for floating structures

Details Permanent anchoring arrangement for floating structures Permanent anchoring arrangement for floating structures

1984-12-07

1987-01-20

Basinger, Sherman D.

Ships

Anchoring arrangement

114230, 441 5, B63B 2150

Patent

active

046373365

ABSTRACT:
A relatively permanent anchoring arrangement for a decommissioned tanker which is connected to an undersea flexible transfer hose, uses a spreader beam suspended under the tanker by a plurality of mooring hawsers which are guided on the hull of the tanker. A support column structure having a vertical axis is suspended from and supported by the spreader beam. The support column structure comprises a diver's chamber which includes a massive peripheral bearing which enables relative rotary movement between the diver's chamber and the support column. The diver's chamber is anchored and fastened using a plurality of anchor chains. The diver's chamber can be evacuated and made dry for a diver to enter for purposes of bearing inspection maintenance. A fluid proof rotary joint housed in the diver's chamber is provided for connecting an undersea flexible transfer hose to a rigid transfer tube emerging from the tanker at the bottom thereof. Anchoring in high seas is effective by this arrangement.

REFERENCES:
patent: 3414918 (1968-12-01), Petrie et al.
patent: 3556170 (1971-01-01), Bily
patent: 4321720 (1982-03-01), Havre

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