Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil... – Nozzle cleaner – flusher or drainer
Patent
1992-03-04
1992-12-15
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With cleaning means, drip collecting, waste disposal or soil...
Nozzle cleaner, flusher or drainer
239412, 239414, 2394161, 239427, 239432, B05B 1502, B05B 704
Patent
active
051709392
ABSTRACT:
A multiple component spray gun for spraying plural components is useful in applications involving polyurethane foams, elastomeric coatings, paints, thermosetting resin formulations, and the like. The ejected components are atomized under high or low pressure via a novel multiple mixing action. The gun design allows for an exchange of the mixing chamber components without the need to dismantle the gun body. The concept of the spray gun involves a gun body and a nozzle, a rotatable ball passage valve including a ball with internal porting in a general Y-configuration with two opposing inlet passages and a cylindrical outlet bore with the ball positioned in a totally enclosed resilient resinous packing material. The preferred packing material is formed from polytetrafluoroethylene commonly referred to under the trademark Teflon. The A and B components are communicated across the passages of the Y-configuration prior to the novel multiple mixing action and material back flow is virtually eliminated. An air purge flow through the ball valve is rotated by means of a double acting pneumatic cylinder and both the air cylinder and ball reciprocate and rotate through an appropriate linkage.
REFERENCES:
patent: 3245661 (1966-04-01), Breer et al.
patent: 3690556 (1972-09-01), McCain
patent: 3690557 (1972-09-01), Higgins
patent: 3708123 (1973-01-01), Krueger
patent: 3786990 (1974-01-01), Hagfors
patent: 3795364 (1974-03-01), Kattner
patent: 3837575 (1974-09-01), Lehnert
patent: 3873023 (1975-03-01), Moss et al.
Grant William
Kashnikow Andres
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