Spray and foam producing nozzle apparatus

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

B - Operations, Transporting

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B05B 1/12 (2006.01) B05B 1/26 (2006.01) B05B 7/00 (2006.01) B05B 7/04 (2006.01) B05B 7/30 (2006.01) B05B 7/32 (2006.01) B05B 15/06 (2006.01)

Patent

CA 1037083

SPRAY AND FOAM PRODUCING NOZZLE APPARATUS Abstract An improved nozzle apparatus rapidly convertible, while operating, between spray and foam forming modes of operation. An elongate rigid generally cylindrical first con- duit 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 appa- ratus. When in its extended position, the second conduit mem- ber encompasses the spray-forming nozzle, and aspirates the spray therefrom with air to form foam which is ejected longi- tudinally 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. This invention respresents a significant improvement over the prior art in its ease of use and in its ability to rapidly convert between spray and foam producing modes without interrupting operation of the device.

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