Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – At or beyond outlet
Reexamination Certificate
2005-08-02
2005-08-02
Ganey, Steven J. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Combining of separately supplied fluids
At or beyond outlet
C239S423000, C239S422000, C239S424500, C239S428000, C239S433000
Reexamination Certificate
active
06923385
ABSTRACT:
The present invention relates to a nozzle for mixing at least two fluid substances together for coating a surface with a reaction product of said fluid substances and possibly a reaction product of the aforesaid substances and the surface material to be sprayed with them, said nozzle comprising substantially concentric channels for each fluid substance, the orifices of said channels being disposed close to each other at the end of the nozzle. According to the invention, between the concentric channels for fluid substances to be mixed together, the nozzle has a likewise substantially concentric intermediate channel connected to a compressed air source, the orifice of the intermediate channel connected to the compressed air source has a tapered form and a diameter at most equal to the inner diameter of the intermediate channel, and the orifice of the intermediate channel is directed obliquely towards the center axis of the nozzle.
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Ganey Steven J.
Kubovcik & Kubovcik
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