Multi-chamber short dwell coater

Details Multi-chamber short dwell coater Multi-chamber short dwell coater

1998-04-06

2000-11-28

Lamb, Brenda A.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118419, 118410, 118411, B05C 302

Patent

active

061520691

ABSTRACT:
A coater head for contacting a liquid coating material with a traveling web of paper or fabric. The coater head includes at least two chambers and an extended outflow bubble to increase the zone of contact between coating liquid and the traveling web. Improved, coating quality also results from controlled flow characteristics through the coater head having a feed zone length-to-depth ratio of four or more.

REFERENCES:
patent: 4405661 (1983-09-01), Alhuid
patent: 4834018 (1989-05-01), Sollinger et al.
patent: 4839201 (1989-06-01), Rantanen et al.
patent: 4873939 (1989-10-01), Eskelinen
patent: 4903632 (1990-02-01), Sollinger
patent: 4930437 (1990-06-01), Eckhard
patent: 4945855 (1990-08-01), Eklund et al.
patent: 4964364 (1990-10-01), Karna et al.
patent: 5173120 (1992-12-01), Suzumura et al.
patent: 5824369 (1998-10-01), Li et al.

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