Double back spray nozzle

Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Including whirler device to induce fluid rotation

Patent

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Details

239427, 239432, B05B 704

Patent

active

046038132

ABSTRACT:
An expansion control mixing and dispensing nozzle adapted for attachment to an associated two-component liquid dispensing gun for mixing and dispensing liquid foamable products. The nozzle includes a mixing chamber, a mixing chamber outlet tube and an outlet tube cover arranged in co-axial relation. The outlet tube cover including an outlet slot or passage in its outer end portion; its inner end surrounds a part of the mixing chamber outlet tube so as to define an annular auxiliary chamber therebetween. The mixing chamber has spaced apart inlet ports for receiving individual liquid components and a baffle or the like to impart a swirling action to the components as they expand in the mixing chamber, a pre-discharge chamber lies between the outlet slot and the end of the outlet cover.

REFERENCES:
patent: 2012139 (1935-08-01), Peabody
patent: 2840185 (1958-06-01), Norgren
patent: 3633795 (1972-01-01), Brooks
patent: 3734406 (1973-05-01), Runstadler
patent: 3829013 (1974-08-01), Ratnik
patent: 3949970 (1976-04-01), ter Braak

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