Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Building features
Patent
1996-08-06
1998-08-18
Morris, Lesley D.
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
Building features
239600, B05B 1506
Patent
active
057948534
ABSTRACT:
An institutional sprinkler head nipple adapted to place an assembly of the institutional sprinkler head and a nipple in an institutional wall by placing the nipple and the sprinkler head under tension between one side of the wall and the other side of the wall. The improved fire sprinkler nipple comprising a cylindrical hollow pipe of a first internal diameter and a first outer diameter and having first and second ends, the wall of the pipe being swaged down towards the first end to the cylindrical section of a second inner diameter less than the first inner diameter of the pipe, the first end being internally threaded and adapted to receive an externally threaded inlet of an institutional fire sprinkler head, the second end adapted to be joined with a fire sprinkler pipe fixture, a cylindrical externally threaded sleeve is received on and secured on the pipe proximate its first end, the sleeve adapted to receive a retaining washer and threaded nut.
REFERENCES:
patent: 3061015 (1962-10-01), Cann, Jr.
patent: 4007877 (1977-02-01), Jackson et al.
Lane William G.
Morris Lesley D.
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