Slide bead coating method and apparatus

Details Slide bead coating method and apparatus Slide bead coating method and apparatus

1997-10-29

2000-01-11

Lamb, Brenda A.

Coating processes

Falling curtain of coating material utilized

118410, 118DIG2, B05D 130

Patent

active

060133279

ABSTRACT:
A slide bead coating method and apparatus which is able to form a stable bead over the width of coating solutions and regularly coat the coating solutions on a web to an edge region and which is able to change the width of the coating solutions without stopping the coating operation even if the width of the web changes. A discharged liquid from a nozzle is applied on both side edges of the coating solutions flowing down a slide surface. Thereby, the stable bead can be formed at the side edges of the coating solutions, so that the coating solutions can be coated on the web to the edge region. Edge bead is formed at both side edges of the coating solutions through the nozzle, so that the width of the coating solutions can be adjusted.

REFERENCES:
patent: 2761791 (1956-09-01), Russell
patent: 3920862 (1975-11-01), Damschroder et al.
patent: 3968722 (1976-07-01), Greiller
patent: 4297396 (1981-10-01), Takehova et al.
patent: 5198030 (1993-03-01), Franke

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