Apparatus for applying a liquid to a support

Details Apparatus for applying a liquid to a support Apparatus for applying a liquid to a support

1988-12-20

1990-03-13

Hoag, Willard

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118419, B05C 104, B05C 116

Patent

active

049075306

ABSTRACT:
An extrusion-type fluid applicator having a front wall located in upstream from a rear wall relative to a moving support (substrate) on which the applicator coats a liquid through a slot between the two walls. The front wall is convexly curved toward the support. The rear wall is retreated away from the convex surface of the front wall in a direction opposite the support. The slot is tapered to decrease the width thereof toward the support.

REFERENCES:
patent: 1494315 (1924-05-01), Ostenberg
patent: 2464771 (1949-03-01), Van Guelpen
patent: 2774327 (1956-12-01), Saint-Hilaire
patent: 2891506 (1959-06-01), Saint-Hilaire
patent: 2942293 (1960-06-01), Wahl
patent: 3526535 (1970-09-01), Plumat
patent: 4480583 (1984-11-01), Tanaka et al.

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