Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1974-04-16
1976-03-16
Cline, William R.
Fluid handling
Systems
Flow path with serial valves and/or closures
137269, 251203, 251334, F16K 1100
Patent
active
039439712
ABSTRACT:
The specification and drawings disclose a valve assembly particularly suited for use in septic systems for diverting flow from a single inlet to either of two separate outlets. The disclosed valve comprises a relatively thin-walled, blow molded plastic housing which defines a valve chamber having an inlet and two outlets. Valve seats are formed integrally in the housing by the transition surface between the walls of the valve chamber and the outlets. A blow molded plastic valve element is provided which is adapted to be placed in the valve chamber to selectively close off either of the outlets. The valve element includes a hollow, generally wedge-shaped plastic body having a generally conically shaped sealing surface extending outwardly from one side thereof. Boss-like protuberances are provided in the valve chamber adjacent the outlets for releasably holding the valve element in position adjacent the selected outlet. The protuberances are such that the valve element can be manually snapped into and out of position. Additionally, the protuberances are located such that when the valve element is in position adjacent the outlet, the conical sealing surface is slightly deflected by the seats to increase the sealing pressure.
REFERENCES:
patent: 927438 (1909-07-01), Thomas
patent: 3180362 (1965-04-01), Muller
patent: 3316929 (1967-05-01), Milette
patent: 3342453 (1967-09-01), Soila et al.
patent: 3345034 (1967-10-01), Sherman
patent: 3386700 (1968-05-01), Greene et al.
patent: 3829061 (1974-08-01), Dayne et al.
Porta Plank Water Control Box, Bulletin No. 1161, Wesco Products, Inc., Received 2/26/62, Note Diagram IV on p. 2.
Cline William R.
Hancor, Inc.
Spiegel H. Jay
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