Adjustable drop nipple

Details Adjustable drop nipple Adjustable drop nipple

1976-11-01

1978-01-31

Callaghan, Thomas F.

Pipe joints or couplings

With leakage or drip disposal

Weep holes

239209, 285 45, 285302, F16L 2712

Patent

active

040712664

ABSTRACT:
An adjustable drop nipple is disclosed for connecting a pendant sprinkler to a sprinkler system. The nipple includes outer and inner telescoped pipes with a gripping means therebetween which permits an adjustment of the telescoped relation of the pipes for a desired position of the pendant sprinkler below a drop ceiling.

REFERENCES:
patent: 2700370 (1955-01-01), Goff
patent: 2931669 (1960-04-01), McDonald
patent: 3451483 (1969-06-01), Van Houtte et al.
patent: 3675952 (1972-07-01), Mears
patent: 3770303 (1973-11-01), Hallett
patent: 3783178 (1974-01-01), Philibert et al.
patent: 3807503 (1974-04-01), Iasillo
patent: 4007877 (1977-02-01), Jackson

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