Pipe joints or couplings – With fluid pressure seal – Flexible lip
Patent
1996-05-20
1997-07-01
Arola, Dave W.
Pipe joints or couplings
With fluid pressure seal
Flexible lip
285901, 28514819, 28514823, 239593, F16L 17035
Patent
active
056429070
ABSTRACT:
An end fitting for a water supply pipe of a sprinkler system is in the form of a hollow tubular body having an internal cavity which progressively decreases in cross-sectional area from an end of the body attached to the supply pipe to an opposite end of the body in the manner of a convergent nozzle, in order to enhance the pressure of water available to a sprinkler head attached to the fitting at a position remote from the pipe end.
REFERENCES:
patent: 2623791 (1952-12-01), Schmitz
patent: 3392921 (1968-07-01), Demaison
patent: 5031755 (1991-07-01), Blakeley
Arola Dave W.
Victaulic Company of America
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