Method of forming a low pressure low cost accumulator

Details Method of forming a low pressure low cost accumulator Method of forming a low pressure low cost accumulator

1981-03-30

1982-10-05

Moon, Charlie T.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29454, 29511, 29516, B21D 5300, B21K 2900, B23P 1526

Patent

active

043522319

ABSTRACT:
The present invention is directed to the method of making a dependable, low cost, low pressure accumulator characterized by the provision of a bladder support sub-assembly secured to an end cap member by an annular weld line, the connection between the noted components being effected prior to insertion of the assembly and end cap into a cylindrical pressure vessel component, whereby the opposed surfaces in registry with the weld are exposed to ambient temperatures, eliminating the danger of damage to the bladder in the course of welding. The bladder sub-assembly and end cap are thereafter inserted into and weldingly connected to a pressure vessel, the open mouth portion of which is inwardly deformed to overlie the end cap and retainer portion of the bladder sub-assembly, dependably to secure the components together and to effect the desired seals between adjacent components.

REFERENCES:
patent: 2649999 (1953-08-01), Burch
patent: 2878834 (1959-03-01), Mercier
patent: 3420273 (1969-01-01), Greer
patent: 3494378 (1970-02-01), Greer
patent: 3500866 (1970-03-01), Greer
patent: 3627612 (1971-12-01), Greer
patent: 3690347 (1972-09-01), Zahid
patent: 3847182 (1974-11-01), Greer
patent: 3960178 (1976-06-01), Mercier
patent: 4010773 (1977-03-01), Bihlmaier
patent: 4045861 (1977-09-01), Zahid

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