Automatic spraying apparatus for forming hard polyurethane foam

Details Automatic spraying apparatus for forming hard polyurethane foam Automatic spraying apparatus for forming hard polyurethane foam

1978-02-15

1979-09-11

McIntosh, John P.

Coating apparatus

Control means responsive to a randomly occurring sensed...

Condition of coated material

118704, 118323, B05C 500, B05C 1110

Patent

active

041671511

ABSTRACT:
An automatic spraying apparatus comprising storage tanks each storing therein each one of at least two liquid components which are mixed to produce hard urethane foam, a pump for feeding said each liquid component under pressure, a spray gun for mixing said liquid components fed from said pumps and spraying the mixture, a mechanism for displacing said spray gun in a plane spaced apart from and substantially in parallel with a surface to be sprayed, and a control unit for controlling the displacement of said spray gun so as to follow a predetermined path.

REFERENCES:
patent: 2824281 (1958-02-01), Radnor
patent: 3233576 (1966-02-01), Voelker
patent: 3269882 (1966-08-01), Willy
patent: 3391494 (1968-07-01), Dye, Jr.
patent: 3510374 (1970-05-01), Walker
patent: 3548453 (1970-12-01), Garis
patent: 3702747 (1972-11-01), Porter et al.

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