Welded storage tank construction including a structural fin

Details Welded storage tank construction including a structural fin Welded storage tank construction including a structural fin

1976-09-20

1978-02-21

Kelly, Donald G.

Metal fusion bonding

Process

With shaping

228 177, 228173D, 228184, B23K 3102

Patent

active

040748472

ABSTRACT:
Method and apparatus for producing a large diameter storage tank from strip metal. The strip is fed to a support assembly arranged circularly on a base and which supports the strip vertically in a helical path. The upper edge of the strip is bent into a right-angled bend which is aligned with the unbent lower edge of the helical turn immediately thereabove. The two aligned edges are welded together. The right-angled bend produces a helical outwardly extending structural fin on the outside of the storage tank.

REFERENCES:
patent: 2233233 (1941-02-01), Williams
patent: 3380147 (1968-04-01), McDonald

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