Method and apparatus for high speed, thin layer coating

Details Method and apparatus for high speed, thin layer coating Method and apparatus for high speed, thin layer coating

1995-06-07

1996-09-03

Bareford, Katherine

Coating processes

Applying superposed diverse coating or coating a coated base

427420, 118410, 118411, B05D 126, B05C 502

Patent

active

055521886

ABSTRACT:
An apparatus for bead coating a substrate with an organic solvent-based coating solution by the use of a slide hopper is disclosed, which is useful for preventing deflection of the members due to changes in temperature stemming from evaporation of the organic solvent and for maintaining a narrowed gap between the lip of the hopper and the substrate with high precision, in which the slide hopper is composed of a raw material with a coefficient of linear expansion of 3.times.10.sup.-6 or less, or composed of an alloy comprising 9.0% to 10.5% by weight of chromium, 52.5% to 56.0% by weight of cobalt and the remainder consisting of iron and other inevitable impurities.

REFERENCES:
patent: 4292349 (1981-09-01), Ishiwata et al.
patent: 4313980 (1982-02-01), Willemsens
patent: 5119757 (1992-06-01), Chino et al.
patent: 5275660 (1994-01-01), Ozaki et al.
Research Disclosure, 16944 (May, 1978).
Derwent Publications Ltd., London, GB, JP-A-63 060 255, Mar. 16, 1988 (Abstract).

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