Fluid sprinkling – spraying – and diffusing – Flow deflecting or rotation controlling means – Fluid rotation inducing means upstream of outlet
Patent
1983-06-24
1985-01-22
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Flow deflecting or rotation controlling means
Fluid rotation inducing means upstream of outlet
239DIG19, B05B 134
Patent
active
044946988
ABSTRACT:
A polyurethane spray nozzle for high pressure abrasive aqueous slurries of limestone and the like. The nozzle is comprised of a hollow body of urethane having a restricted inlet and outlet with internal vanes adjacent the inlet to provide a swirling motion to the slurry. The polyurethane construction is characterized by a high degree of abrasion resistance with a slick surface to inhibit solids build up and a degree of flexibility to inhibit clogging of the vanes by solid pieces of limestone. In a modification the body may be made in a first piece while the vanes may be inserted therein in a second integral piece held together by a ring. An outwardly extending flange which may be reinforced with a metallic member is provided for connection to a pipe line source for the slurry. The flange portion connected to the pipe line source may be constructed of a softer polyurethane than the remainder of the spray nozzle to enhance the flange sealing connection.
REFERENCES:
patent: 1311840 (1919-07-01), Parker
patent: 1778194 (1930-10-01), Kreager
patent: 2587140 (1952-02-01), Gorshkoff
patent: 3210098 (1965-10-01), Watts
patent: 3235291 (1966-02-01), Jacoby
patent: 3692243 (1972-09-01), Breunsbach
patent: 4168033 (1979-09-01), von Bernuth et al.
Brown Richard A.
Trew John D.
Kashnikow Andres
Porter-Walker, Inc.
Rastello Jon M.
Robbins Glenn K.
Urethane Specialties, Inc.
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