Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Patent
1978-11-27
1980-03-11
Aegerter, Richard E.
Pipes and tubular conduits
With pressure compensators
Variable capacity chambers
F16L 5504
Patent
active
041923502
ABSTRACT:
A pressure vessel comprising a casing or container formed from two substantially cup-shaped shells, each of said shells having their free edges or rims located in juxtaposition by means of an internal annular retainer member which properly spaces such free edges to permit connection thereof by an annular weld and which also serves as the support for a deformable partition positioned in the container. The retainer member formed from a metal having a melting point below that of the shells has a first thickened annular portion of relatively great mass on one side of said annular weld and a second annular portion of smaller mass on the other side of said annular weld, said annular portions having outer surfaces in intimate contact with the inner surface of the casing and define two annular contact zones separated by an intervening zone in which the weld is formed, said deformable partition being supported by said retainer member at the edge of said first annular portion remote from the annular weld.
Two cup-shaped shells have their edges or rims in juxtaposition to be retained together by welding, it is important that the welding metal engage the entire thickness of the juxtaposed rims in order to provide a dependable bond.
REFERENCES:
patent: 2345124 (1944-03-01), Huber
patent: 3137317 (1964-06-01), Peters
patent: 3195576 (1965-07-01), Mercier
patent: 3674054 (1972-07-01), Mercier
patent: 3929163 (1975-12-01), Schon
patent: 4117866 (1978-10-01), Bohm et al.
Aegerter Richard E.
Bryant III James E.
Colvin Arthur B.
Normand Trust
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