Free fall submersible life saving device for offshore structures
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United States of America Patent
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-
Apr 18, 1989
Issued Date -
N/A
app pub date -
Dec 15, 1987
filing date -
Sep 5, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A free fall, submersible life saving device for an offshore structure has a spherical pressure shell in a casing. The upper part of the device has a lifting frame and at least one manhole closed with a cover and the lower part has ballast, an anchor, and a windlass 5 for the anchor rope having automatic control of the tension in the anchor rope. The device is launched by a catapult on the offshore structure for horizontal movement in free fall to the water surface, where it submerges and is anchored until resurfacing, by release of the anchor, for rescue.
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