Coating processes – Immersion or partial immersion
Patent
1973-09-10
1976-05-11
Weinblatt, Mayer
Coating processes
Immersion or partial immersion
118421, 118425, 118429, 427299, C03C 1730, B05C 300
Patent
active
039565408
ABSTRACT:
A method of and 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.
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DeAngelis Armand
Laliberte Albert J.
Buffalow Edith R.
Omnitech Inc.
Weinblatt Mayer
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