Body having fluid passages

Details Body having fluid passages Body having fluid passages

1978-06-27

1981-12-08

Freeh, William L.

Pumps

Expansible chamber type

Plural pumping chambers

417568, 2642711, B29D 302, F04B 3912, F04B 2108

Patent

active

043045332

ABSTRACT:
A machine manifold or body having fluid passages defined by relatively thin stainless-steel or other corrosion resistant tubular components embedded within a relatively thick molded plastics casing which serves to give the components strength to withstand the fluid pressures in the passages, and to permit a minimum of the expensive corrosion resistant material to be used. The passages may be formed by different tubular components located and preferably sealed together, or could be constituted by a single lost-wax casting of stainless-steel. Conveniently there is a rubbery layer between the thin metal passage defining components and the surrounding molded plastics casing.

REFERENCES:
patent: 2683638 (1954-07-01), Noble
patent: 3485419 (1969-12-01), Taylor
patent: 3678811 (1972-07-01), Penwell

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