Coating apparatus and method

Details Coating apparatus and method Coating apparatus and method

2006-04-11

2006-04-11

Fiorilla, Chris (Department: 1734)

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to attribute, absence or presence of work

C118S680000, C118S695000, C118S706000

Reexamination Certificate

active

07025830

ABSTRACT:
A coating apparatus and method are disclosed in which even if poor coating occurs in a lower-layer, no poor coating occurs in an upper-layer formed on the lower-layer. A pre-wet liquid coating device is disposed between a first coating device at the upstream side of a support web conveying direction, and a second coating device disposed at the downstream side. When an uncoated portion is formed by the first coating device, a pre-wet liquid is coated by a pre-wet liquid coating device, and the coating liquid can be reliably coated by the second coating device. When the pre-wet liquid coating device is removed from the support web, first, the pre-wet liquid coating device is brought into liquid-running out state, and thereafter, removed from the support web. Accordingly, the pool of pre-wet liquid is eliminated and occurrence of a thickly coated portion on the support web can be prevented.

REFERENCES:
patent: 2003/0049379 (2003-03-01), Kanke et al.
patent: 58-4589 (1983-01-01), None

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