Coating apparatus

Details Coating apparatus Coating apparatus

1995-03-22

1997-04-29

Lamb, Brenda A.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118411, B05C 302

Patent

active

056244975

ABSTRACT:
In a coating apparatus having an extrusion coating head, the working value H of a back end edge which corresponds to an end portion at the downstream side of a support feeding direction of a back edge of the extrusion coating head is set to 25 .mu.m or less, and the straightness of said back end edge with respect to the coating width is set to 5 .mu.m or less. Accordingly, a coating operation to form coated films at a stable thickness can be stably performed without occurrence of streaks and coating unevenness on the films, and a judgment on coating surface characteristics can be readily performed without actually carrying the coating operation.

REFERENCES:
patent: 4424762 (1984-01-01), Tanaka et al.
patent: 4537801 (1985-08-01), Takeda
patent: 5072688 (1991-12-01), Chino et al.
patent: 5397600 (1995-03-01), Shibata et al.
English Abstract of Japanese Patent 2-207866, Method and Device for Coating, Aug. 17, 1990.
English Abstract of Japanese Patent 57-84771, Coater, May 27, 1982.

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