Slide-bead coating technique

Details Slide-bead coating technique Slide-bead coating technique

1992-12-31

1994-07-05

Dawson, Robert A.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118410, 118414, 427335, 427402, 427420, B05C 302

Patent

active

053264029

ABSTRACT:
A slide-bead coating technique utilizes an inclined slide surface terminating at a coating lip. A continuous liquid layer is supplied to the slide surface from a supply source so as to form a liquid bridge between the coating lip and a substrate disposed adjacent the coating lip. The substrate is conveyed past the lip and continuously depletes liquid from the liquid bridge onto the substrate. The technique includes supplying an air flow that impinges upon an upper surface of the liquid layer opposite the slide surface between the liquid supply source and the coating lip.

REFERENCES:
patent: 2761419 (1956-09-01), Mercier et al.
patent: 2761791 (1956-09-01), Russell
patent: 3220877 (1965-11-01), Johnson
patent: 3676178 (1972-07-01), Browatzki et al.
patent: 4024302 (1977-05-01), Takagi et al.
patent: 4172001 (1979-10-01), Heetderks
patent: 4292349 (1981-09-01), Ishiwata et al.
patent: 4808444 (1989-02-01), Yamazaki et al.
patent: 4877639 (1989-10-01), Willemsens et al.

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