Process for coating a metallic surface with a vitreous enamel

Details Process for coating a metallic surface with a vitreous enamel Process for coating a metallic surface with a vitreous enamel

1986-12-19

1988-05-24

Lawrence, Evan K.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

4273765, 427409, 4274195, B05D 700, B05D 106, B05D 136, B05D 302

Patent

active

047465336

ABSTRACT:
Metallic surfaces are coated with vitreous enamel by a process in which a cleaning pretreatment of the metal surface to remove surface oil is not required. An enamel-forming material is applied to metal surface coated with a polybutene as the surface oil. The thus-coated metal surface is fired at a temperature sufficiently high to cause the enamel-forming material to form a vitreous enamel coating. The preferred method for applying the enamel-forming material is electrostatic deposition.

REFERENCES:
patent: 3696498 (1972-10-01), Leontaritis et al.
patent: 3706124 (1972-12-01), Leontaritis et al.
patent: 3906125 (1975-09-01), Uher
patent: 4221824 (1980-09-01), Leonard et al.

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