Coating apparatus – With vacuum or fluid pressure chamber
Patent
1975-11-17
1977-07-19
Newton, Dorsey
Coating apparatus
With vacuum or fluid pressure chamber
B05C 2100, B05C 302
Patent
active
040361683
ABSTRACT:
Apparatus for applying a synthetic resin coating of predetermined thickness to various articles of different sizes and shapes from a relatively rapidly deteriorating solution of the resin in which an intermittently driven conveyor housed in a controlled atmosphere and suspending different article groups of like articles at spaced locations along the conveyor successively moves the articles from a loading station first to a cleaning station at which the articles are subjected to the action of an ultrasonic cleaner, then to a destaticizing station, then to a coating station at which a dip tank is rapidly raised to immerse the articles in the solution and is lowered at a controlled rate to provide a coating of the required thickness in a single operation, and finally through a precuring zone in which the coating dries tack-free to the loading station at which the coated precured articles can be removed. The coating solution is continuously circulated through the dip tank in such a way that the tank is always brim full and through a filter and chiller which maintains the solution below a predetermined temperature.
REFERENCES:
patent: 1681441 (1928-08-01), Sherman et al.
patent: 2233069 (1941-02-01), Atwell
patent: 2387299 (1945-10-01), Ronci
patent: 2508200 (1950-05-01), Tarlton
patent: 2616549 (1952-11-01), Ornitz
patent: 2661307 (1953-12-01), Foster
patent: 2763575 (1956-09-01), Bede
patent: 2814575 (1957-11-01), Lange, Jr.
DeAngelis Armand
Laliberte Albert J.
Newton Dorsey
Omnitech Inc.
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