Method of manufacturing an overwrapped pressure vessel

Details Method of manufacturing an overwrapped pressure vessel Method of manufacturing an overwrapped pressure vessel

1974-04-19

1976-07-20

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Shaping by direct application of fluent pressure

29446, 29452, 29458, 220 3, 242 2, B23P 1700

Patent

active

039698122

ABSTRACT:
A pressure vessel of the type wherein a metallic liner in the shape of a cylindrical portion with a dome-shaped portion at each end thereof is overwrapped by a plurality of layers of resin coated, single fiberglass filaments. A four-step wrapping technique reinforces the vessel with overwrap material at the most likely areas for vessel failure. Overwrapping of the vessel is followed by a sizing pressurization cycle which induces a compressive prestress into the liner and thereby permits the liner to deform elastically through an increased strain range.

REFERENCES:
patent: 2030818 (1936-02-01), Harter
patent: 2227817 (1941-01-01), Allen
patent: 2858992 (1958-11-01), Wentz
patent: 3023495 (1962-03-01), Noland
patent: 3411727 (1968-11-01), Uhlig et al.
patent: 3448253 (1969-06-01), Bramblett et al.

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