Method and apparatus for drying coatings or films

Details Method and apparatus for drying coatings or films Method and apparatus for drying coatings or films

1993-01-22

1994-06-28

Gromada, Denise

Drying and gas or vapor contact with solids

Material treated by electromagnetic energy

Induction heater

34104, 34256, 4251748R, 425270, 425275, 427544, F26B 334

Patent

active

053235444

ABSTRACT:
A technique is disclosed for drying and curing a liquid film applied to a former which is reactive to radio frequency energy so as to generate heat. A liquid film, such as latex, is applied to a metallic former which is then disposed in the proximity of an applicator which propagates radio frequency energy. In response, by a process of induction the former generates heat and thereby advantageously dries said film in an inside-to-outside manner. A superior product is produced which is substantially free of defects and blemishes.

REFERENCES:
patent: 2263681 (1941-11-01), Hart, Jr.
patent: 2353256 (1944-07-01), Maywald, Jr.
patent: 2492000 (1949-02-01), Morris et al.
patent: 2668226 (1954-02-01), Bernard
patent: 4806388 (1989-02-01), Mochizuki et al.
patent: 5248528 (1993-09-01), Robbins et al.

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