Pulsed spray of fluids

Details Pulsed spray of fluids Pulsed spray of fluids

1975-07-21

1978-03-28

Braun, Fred L.

Coating processes

Spraying

Moving the base

354325, B05D 102

Patent

active

040815773

ABSTRACT:
A method for automatically spraying a liquid on the surface of a moving object, particularly developer, rinse and gumming liquids on an exposed, photosensitive printing plate, in which the liquid is continuously supplied to a distribution line at a predetermined pressure, and simultaneously with the supply of liquid, the object is transported past a spray device connected to the distribution line. An impinging spray of the liquid is alternately applied to the object for a first predetermined period and the application is interrupted for a second predetermined period and the cycle is repeated a plurality of times during the passage of the object past the spray device, as by a solenoid valve mounted in the distribution line and a timer connected to the solenoid valve to open and close the same.

REFERENCES:
patent: 3452710 (1969-07-01), Hentschel
patent: 3528358 (1970-09-01), Pickard
patent: 3593641 (1971-07-01), Adams et al.
patent: 3682131 (1972-08-01), Algeri et al.
patent: 3719133 (1973-03-01), Haracz
patent: 3752054 (1973-08-01), Scanlan
patent: 3812514 (1974-05-01), Watabe
patent: 3846816 (1974-11-01), Gaisser
patent: 3906536 (1975-09-01), Graham

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