Method of and system for coating exposed can edges

Details Method of and system for coating exposed can edges Method of and system for coating exposed can edges

1988-06-15

1989-06-27

Lawrence, Evan

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

295272, 295274, 118324, 118669, 118670, 118679, 427142, 427421, 427424, B05D 102, B05B 1504

Patent

active

048428876

ABSTRACT:
At least one complete surface of at least one metallic part of a can is given a uniform coating of corrosion-preventing lacquer and this part is subsequently worked such that the metal of the part is exposed at regions at least immediately adjacent the coated surface. Dots of lacquer are sprayed by the ink-jet method substantially only on the exposed regions of the part after working thereof and so that the dots together form a continuous layer covering the exposed regions. According to the viscosity of the lacquer the surface coating can be achieved by partially overlapping adjacent dots of the applied lacquer or without overlapping by the running together of the adjacent dots of the liquid, with no excess material having to be applied to and subsequently removed from the regions to be coated.

REFERENCES:
patent: 4269874 (1981-05-01), Pryor et al.
Hawley, G. G., The Condensed Chemical Dictionary, N.Y., Van Nostrand Reinhold Company, 1977, p.646.
Ink Jet Printing: Current Status and Future Prospects, vol. I, Maine, U.S.A., Gorham International, Inc., pp. 346-355.
"Typische Lackformulierungen", from Lacke und Losemittel, Weinheim, West Germany, Verlag Chemie, 1979, pp. 32-34.
Kittel, H., Lehrbach der Lacke und Beschichtungen Band III, Verlag W. A. Colomb, 1976, pp. 70, 71 and 108-117.
Losemittel Hoechst, vol. 5, Frankfurt, West Germany, 1987, pp. 310-311.

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