Valves and valve actuation – Rotary valves – Ball valve
Patent
1981-12-28
1984-07-17
Schwadron, Martin P.
Valves and valve actuation
Rotary valves
Ball valve
251366, 291571R, 29447, F16K 506
Patent
active
044601573
ABSTRACT:
A valve is disclosed having a generally cylindrical body having an inlet and an outlet opening and a lateral opening. The valve body is received in a cylindrical collar which is heat shrunk onto the cylindrical body of the valve to provide a prestressed condition in the valve body thereby substantially increasing the strength of the body.
REFERENCES:
patent: 587107 (1897-07-01), Sherrerd
patent: 1216657 (1917-02-01), Cardell
patent: 2732169 (1956-01-01), Matteo
patent: 3091428 (1963-05-01), Magos
patent: 3096965 (1963-07-01), Margus
patent: 4175580 (1979-11-01), Kalbfleisch
Lovercheck Charles L.
Lovercheck Dale R.
Lovercheck Wayne L.
Schwadron Martin P.
Shay James R.
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