Icebreaking defense buoy

Details Icebreaking defense buoy Icebreaking defense buoy

1987-03-31

1988-07-05

Peters, Jr., Joseph F.

Buoys, rafts, and aquatic devices

Buoy

Having means to control attitude or position

405 61, 405211, E02B 1502

Patent

active

047551577

ABSTRACT:
An icebreaking buoy system includes an icebreaking buoy connected to clump weight means positioned on the sea floor by a mooring line having minimum extra length sufficient to permit the buoy to ride up over the largest expected wave. Several such buoy systems may be used to form a line along one or more sides of, or a ring entirely around, an offshore structure or rig to break an ice sheet in the direction or directions it is moving. An anchor fixed to the sea floor may be connected to the clump weight means. Each buoy has a downward sloping bottom portion and a cylindrically or spherically formed top portion. The sides or ends and the bottom of the buoy may be beveled, conical or spherical.

REFERENCES:
patent: 310551 (1885-01-01), Averell
patent: 325162 (1885-08-01), Delany
patent: 1432530 (1922-10-01), Chance
patent: 2449963 (1948-09-01), Ward
patent: 3022632 (1962-02-01), Parks
patent: 3151594 (1964-10-01), Collipp
patent: 3845633 (1974-11-01), Hammond
patent: 4033023 (1977-07-01), Slaughter et al.
patent: 4093463 (1978-05-01), Soderberg
patent: 4487151 (1984-12-01), Deiana
patent: 4547093 (1985-10-01), Statham
"Samson Fenders Flotation Special Applications" brochure, pp. 8 and 9.

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