Fitting for clearing water from fluid containing systems

Details Fitting for clearing water from fluid containing systems Fitting for clearing water from fluid containing systems

1988-03-10

1989-03-07

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Gas pressure storage over or displacement of liquid

137240, 239106, A01G 2500, B05B 100

Patent

active

048097322

ABSTRACT:
A body member has a top opening recess and a depending stem having an external portion capable of removable engagement in one of the outlets of a fluid containing system of the type having a plurality of outlets, such as an underground lawn sprinkling system. The top opening recess has an integral valve stem therein which is in communication with a bore extending upwardly through the bottom of the stem. By connecting the body member into one of the outlets and connecting the valve stem to a source of air pressure, the system can be cleared of water through one or more of its other outlets.

REFERENCES:
patent: 1492941 (1924-05-01), Sherman
patent: 2259644 (1941-10-01), Kling
patent: 2326687 (1943-08-01), Sanford
patent: 3845779 (1974-11-01), Greene
patent: 4026318 (1977-05-01), Lejeune
patent: 4246926 (1981-01-01), Morello
patent: 4346726 (1982-08-01), Bayen
patent: 4355652 (1982-10-01), Perkins
patent: 4698983 (1987-10-01), Hechavarria

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