Coating apparatus

Details Coating apparatus Coating apparatus

1994-03-01

1996-06-04

Lamb, Brenda A.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118419, 425461, 425467, B05C 312

Patent

active

055229310

ABSTRACT:
An extrusion-type coating apparatus for performing a uniform coating on a web by equalizing a flow rate distribution of a coating material along the widthwise direction of the web. The apparatus has a slit in a coating head to pass the coating material from the bottom of the slit to an opening of the same opened on a surface portion of the coating head, a feeder to feed the web on the surface portion in a direction from a front edge to a rear edge of the opening of the slit and a restricting member to restrict a gap of the slit by an insertion of the restricting member into the slit. The restricting member has a thickness pattern along its length so as to equalize the flow rate of the coating material along the length of the slit.

REFERENCES:
patent: 4143187 (1979-03-01), Pilgrim
patent: 4293517 (1981-10-01), Knox
patent: 4411614 (1983-10-01), Feathers
patent: 4708629 (1987-11-01), Kasamatsu
patent: 4907530 (1990-03-01), Shibata et al.
patent: 5136972 (1992-08-01), Naka et al.
patent: 5234330 (1993-08-01), Billow et al.

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