Fluid operated diaphragm assembly and method of making the same

Details Fluid operated diaphragm assembly and method of making the same Fluid operated diaphragm assembly and method of making the same

1976-10-20

1978-05-23

Larson, Lowell A.

Metal working

Method of mechanical manufacture

Assembling or joining

113116B, B23P 1904

Patent

active

040902862

ABSTRACT:
A fluid operated diaphragm assembly having a pair of diaphragm members each provided with annular inner and outer peripheral portions separated from each other by an annular fluted portion. A ring member is disposed between the outer peripheral portions of the diaphragm members and is secured respectively thereto whereby a chamber is defined between the diaphragm members inboard of the ring member. The diaphragm members each has a natural tendency to maintain its respective inner and outer peripheral portions coplanar with each other whereby the inner peripheral portions are normally spaced from each other a distance that is approximately the same dimension as the thickness of the ring member.

REFERENCES:
patent: 2109145 (1938-02-01), Farmer et al.
patent: 2529785 (1950-11-01), Persons
patent: 3390579 (1968-07-01), Glattenberg et al.
patent: 3442180 (1969-05-01), Babic
patent: 3805368 (1974-04-01), Eberhard et al.

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