Coating method

Details Coating method Coating method

1979-12-07

1981-10-27

Pianalto, Bernard D.

Coating processes

Nonuniform coating

Edge or border coating

118 50, 118411, 427128, B05D 500

Patent

active

042973961

ABSTRACT:
A slide bead coating method and apparatus wherein a first coating liquid is supplied from a center portion of a slide surface and a second coating liquid is supplied along edge portions thereof contiguous to the flow of the first coating liquid. The second coating liquid has a viscosity lower than that of the first coating liquid and a flow rate which is also lower than that of the first coating liquid. In this manner, breakage of both end portions of the bead is prevented without coating both end portions thicker than the center portion while yet a high coating speed operation is attained.

REFERENCES:
patent: 2975754 (1961-03-01), Wright
patent: 3573965 (1971-04-01), Ishiwata et al.

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