Spray and foam producing nozzle apparatus

Details Spray and foam producing nozzle apparatus Spray and foam producing nozzle apparatus

1975-09-12

1976-06-08

Ward, Jr., Robert S.

Fluid sprinkling, spraying, and diffusing

Combined or convertible

23911, 23990, 2394285, 23956, 23925, B05B 112, B05B 704

Patent

active

039617548

ABSTRACT:
An improved nozzle apparatus rapidly convertible, while operating, between spray and foam forming modes of operation. An elongate rigid generally cylindrical first conduit member receives surfactant bearing solution at an inlet port thereof and directs the solution under pressure to a spray forming nozzle connected at an outlet port of the first conduit. A second elongate conduit member coaxially slidably overlies the first conduit member and is movable relative thereto between extended and retracted positions. When in its retracted position, the second conduit member exposes the spray-forming nozzle, which is then enabled to direct a spray pattern of the solution longitudinally outward from the apparatus. When in its extended position, the second conduit member encompasses the spray-forming nozzle, and aspirates the spray therefrom with air to form foam which is ejected longitudinally outward from the second conduit member. Fastener means connecting the first and second conduit members enables rapid positioning of the second conduit member between its retracted and extended positions. Handle means are provided for enabling an operator to hand-carry the nozzle apparatus and to directionally aim the spray and foam ejected therefrom to a target area.

REFERENCES:
patent: 1827583 (1931-10-01), James
patent: 2294816 (1942-09-01), Trabbic
patent: 2640724 (1953-06-01), Sanders et al.
patent: 2879003 (1959-03-01), Finn
patent: 3163363 (1964-12-01), Travis
patent: 3383044 (1968-05-01), Norstrud et al.
patent: 3467314 (1969-09-01), Grubb
patent: 3556410 (1971-01-01), Arant
patent: 3625436 (1971-12-01), Wirths
patent: 3822217 (1974-07-01), Rogers
patent: R20488 (1937-08-01), Zinkil

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