Ships – Ice breakers
Patent
1975-02-06
1976-08-31
Kunin, Stephen G.
Ships
Ice breakers
B63B 3508
Patent
active
039773450
ABSTRACT:
An ice breaker in the form of a self-propelled vessel carrying outboard thereof, a horizontally-swingable preferably extensible boom adjustable from above water level to below water level to extend beneath floating ice. On the boom are one or more upwardly facing jet nozzels supplied with sea water under high pressure to cut ice from beneath.
REFERENCES:
patent: 3698340 (1972-10-01), Wagner
patent: 3698341 (1972-11-01), Wagner
patent: 3785315 (1974-01-01), Wagner
Basinger Sherman D.
Kunin Stephen G.
North American Development Company
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