End closure for composite pressure vessels

Details End closure for composite pressure vessels End closure for composite pressure vessels

1986-11-28

1988-01-05

Pollard, Steven M.

Receptacles

Outlet or junction box type

Sectional receptacle

B65D 744

Patent

active

047170352

ABSTRACT:
A composite pressure vessel includes retaining rings at opposite ends of a side wall structure having circumferentially spaced oppositely facing tabs thereon about which longitudinal tension windings are progressively wrapped back and forth in a continuous manner around the circumference of the vessel. Between the tabs at opposite ends of the vessel are oppositely tapered ramp surfaces providing a transition for the longitudinal tension windings from a first diameter axially inwardly of the retaining rings to a second, smaller diameter adjacent the axial outer ends of the tabs, which places the retaining rings in compression in a circumferential direction. Each of the retaining rings has a generally cylindrical support surface adjacent the axial outer ends of the tabs for supporting the generally circumferential extending portions of the longitudinal tension windings thereon. The tabs have sides which taper toward each other in the direction of the axial outer ends of the tabs. Also, the radial outer surfaces of the tabs taper outwardly in the direction of the axial outer ends of the tabs, and such axial outer ends are rounded and extend generally radially and axially inwardly toward the respective ends of the vessel.

REFERENCES:
patent: 2109529 (1938-03-01), Goddard
patent: 3079038 (1963-02-01), Rossi et al.
patent: 3282757 (1966-11-01), Brussee
patent: 3293860 (1966-12-01), Stedfeld
patent: 3303079 (1967-02-01), Carter
patent: 3866792 (1975-02-01), Minke
patent: 4053080 (1977-10-01), Daublebsky
patent: 4438858 (1984-03-01), Grover

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