Ships – Anchor – With means driving the anchor into the sea bed
Patent
1979-11-13
1982-01-26
Rolla, Joseph J.
Ships
Anchor
With means driving the anchor into the sea bed
114305, B63B 2128
Patent
active
043122892
ABSTRACT:
A permanent mooring for use with boats and the like is provided with folding flukes on a tubular body. The flukes are formed as portions of a cylinder and in their folded position completely envelope the mooring with a smooth cylindrical surface which decreases unwanted drag during installation. A connection is provided for attaching a high-pressure water pipe and the forward end of the mooring anchor is tapered so as to form a water jet nozzle. The mooring is directed to the bottom of the water and, upon pumping the water through the pipe and out of the nozzle, the mooring anchor is forced downwardly into the sand or mud by the washing action of the water, the weight of the mooring itself, as well as additional downward pressure on the water supply pipe by the installation personnel. Once the mooring is in place, as indicated by markings on the high-pressure water pipe, the pipe is removed from the mooring and the mooring is permanently fixed in the ocean bottom by applying upward tensional forces on a suitable mooring chain or line, which has been connected to the mooring anchor prior to installation. Another embodiment employs a nylon web or mesh between the flukes to increase the holding power of the permanent mooring in the sea bottom.
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