Pressure vessels

Details Pressure vessels Pressure vessels

1976-08-23

1977-08-09

Lanham, C.W.

Metal deforming

By extruding through orifice

Container and/or support therefor

29446, 220 3, 425192R, 72DIG15, B21C 2700, B23P 1100

Patent

active

040402843

ABSTRACT:
A pressure vessel for containing fluid at very high pressures is formed from an axially aligned array or stack of like, flexible, relatively thin, dished discs, i.e., Belleville springs. The discs are clamped together axially, so as to flatten them into a pressure vessel wall structure which is pre-stressed in hoop compression along a bore formed by the aligned inner peripheries of the discs, and in hoop tension along the aligned outer peripheries of the discs. Such pre-stress pattern is particularly well adapted to permit the pressure vessel to support very high fluid pressures within the pressure vessel bore. A liner tube may be located within the bore formed by the aligned inner peripheries of the discs, while any suitable end closing mechanisms, e.g., a die assembly and a piston, may be employed to close the axially opposite ends of the pressure vessel bore.

REFERENCES:
patent: 2360391 (1944-10-01), Birchall
patent: 3008220 (1961-11-01), Sammarco
patent: 3256069 (1966-06-01), Peterson
patent: 3433382 (1969-03-01), Boggio
patent: 3559436 (1971-02-01), Nilsson
patent: 3762448 (1973-10-01), Donohue
patent: 3918288 (1975-11-01), Verduzco

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