Foam Floats Sunken Hull

Foam Floats Sunken Hull

Foam Floats Sunken Hull

October 1963…

Sunken ships might be raised quickly and economically, according to this recent patent, by pumping in foam. A diver would locate or prepare a closed compartment, insert a hose and nozzle. Pumps on a salvage ship would force in resin and catalyst. Combined at the nozzle, they’d set up to form a buoyant, closed-cell foam.

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