Foam generating and spraying apparatus

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Organic polymerization

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Details

2394161, 2394275, 239428, 239432, 2394345, 252359E, 261DIG26, 366178, 366337, B01F 1752, B05B 704, B05B 706, B05B 712

Patent

active

042139368

ABSTRACT:
A foam generating and spraying apparatus adapted to receive a quantity of polymeric resin and a foaming agent therefor, and emit the foamed product thereof, comprises a resin conduit having an inlet and an outlet end; a foaming chamber having an inlet and an outlet end being disposed coaxially with respect to the resin conduit; a resin inlet upstream of the resin conduit for admitting a quantity of pressurized polymeric resin thereto; a foaming agent inlet upstream of the foaming chamber for admitting a quantity of pressurized foaming agent thereto; a mixing chamber downstream of both of the resin conduit and foaming chamber; and, a spray member disposed at the outlet end of the resin conduit for establishing a hollow cone spray of resin, and angularly directing that spray against the walls of the mixing chamber. Methods for generating a foamed polymeric resin and the products produced thereby are also disclosed herein.

REFERENCES:
patent: 2929436 (1960-03-01), Hampshire
patent: 3123306 (1964-03-01), Bradley
patent: 3199790 (1965-08-01), Giesemann
patent: 3843098 (1974-10-01), Phillips et al.
patent: 3946947 (1976-03-01), Schneider
patent: 4013228 (1977-03-01), Schneider
patent: 4038037 (1977-07-01), Wilmsen
patent: 4103876 (1978-08-01), Hasselman et al.
patent: 4135882 (1979-01-01), Harkness et al.

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