Low pressure, low cost accumulator

Details Low pressure, low cost accumulator Low pressure, low cost accumulator

1979-11-13

1981-07-28

Bryant, III, James E.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

220 85B, F16L 5504

Patent

active

042805333

ABSTRACT:
The present invention is directed to a dependable, low cost, low pressure accumulator characterized by the provision of a bladder support subassembly 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 subassembly 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 subassembly, dependably to secure the components together and to effect the desired seals between adjacent components. The invention is further directed to the method of forming the described vessel.

REFERENCES:
patent: 3420273 (1969-01-01), Greer
patent: 3494378 (1970-02-01), Greer
patent: 3500866 (1970-03-01), Greer
patent: 4010773 (1977-03-01), Bihlmaier
patent: 4045861 (1977-09-01), Zahid

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