Valves and valve actuation – Rotary valves – Ball valve
Patent
1990-11-30
1991-11-26
Fox, John C.
Valves and valve actuation
Rotary valves
Ball valve
29890124, 137 15, F16K 506
Patent
active
050676911
ABSTRACT:
A ball cock including a housing of a thermoplastic material. The housing is composed of two parts which are integrally connected to each other. A ball plug is made integrally with a pivot of plastics material. The pivot is mounted in a bore extending transversely of the passage opening of the housing. A seal is provided for sealing the pivot to the outside. The plane of separation of the two housing parts extends transversely of the passage opening and through the axis of rotation of the pivot. The two housing parts have recesses at least in the region of the seal for the pivot. The recesses receive a component which is integrally connected in a tight manner with the housing parts.
REFERENCES:
patent: 2573177 (1951-10-01), Doblen
patent: 3647179 (1972-03-01), Scaramucci et al.
patent: 4696323 (1987-09-01), Iff
Hunziker Bruno
Kunz Peter
Fox John C.
Georg Fischer AG
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