Helical seam structural vessel, method and apparatus of forming

Details Helical seam structural vessel, method and apparatus of forming Helical seam structural vessel, method and apparatus of forming

1983-05-23

1984-12-04

Basinger, Sherman D.

Ships

Building

29429, 29455R, 228145, B63B 906

Patent

active

044857560

ABSTRACT:
A structural vessel includes helically curved inner and outer spaced strips of material each having a plurality of helical turns, with contiguous edges of each two successive turns of the inner and outer strips being seamed together, and a helically curved structural beam disposed between the strips and secured thereto along their turns. A floatable work housing is provided for vessel fabrication, the housing having a sealed opening through which the completed portion of the vessel progressively extends and is floated on a body of water to avoid a need for external supports and bearings.

REFERENCES:
patent: 2549032 (1951-04-01), Taylor
patent: 3326162 (1967-06-01), King
patent: 4327656 (1982-04-01), Knutsen
patent: 4429654 (1984-02-01), Smith, Sr.

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