On-machine coater

Details On-machine coater On-machine coater

2007-04-06

2010-11-23

Halpern, Mark (Department: 1791)

Paper making and fiber liberation

Apparatus

With coating or impregnating means

C118S058000

Reexamination Certificate

active

07837835

ABSTRACT:
The present invention simplifies the equipment in an on-machine coater in which a size press and a post-metering style of coater are alternatively used. In an on-machine coater including a size press3, an air turn4arranged diagonally downward on the downstream side of the size press3, a post-metering style of coater6arranged in the downstream side of the air turn4, and non-contact dryers11arranged above the coater6, when the coating is performed using the size press3the two surfaces of a web A are dried by a pair of the non-contact dryers11opposingly provided about the diagonally upward-moving web A on the downstream side of the air turn4. When the coating is performed using the post-metering style of coater6, the dryer of the pair of non-contact dryers11used to dry the lower surface side of the web A is moved in such a way as to oppose the lower surface side of the web A which, beyond the coater6, moves upward.

REFERENCES:
patent: 5753078 (1998-05-01), Koutitonsky et al.
patent: 6284097 (2001-09-01), Wulz et al.
patent: 6599395 (2003-07-01), Wulz et al.
patent: 2007/0026156 (2007-02-01), Mandai et al.
patent: 2009/0324980 (2009-12-01), Matsushima
patent: 2006-138045 (2006-06-01), None

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