Method and apparatus for the high speed application of...

Details Method and apparatus for the high speed application of... Method and apparatus for the high speed application of...

2006-04-04

2006-04-04

Bareford, Katherine (Department: 1762)

Coating processes

With post-treatment of coating or coating material

Coating material recirculation or regeneration

C427S356000, C427S359000, C427S361000, C118S602000, C118S118000, C118S119000, C118S123000, C118S126000

Reexamination Certificate

active

07022380

ABSTRACT:
Method and apparatus for coating a traveling paper web includes a coater head. The coater head includes an inlet for receiving fresh coating material which is introduced into a mixing chamber. A looped flow path is established within the coater head which includes a feed channel extending from the mixing chamber and leading into a coating chamber where one portion of the coating material proceeds in the direction of the rotating backing roll. The aqueous slurry of coating material near the downstream end of the coating chamber enters a recirculation channel from which it is directed through a plurality of flow metering orifices back into the mixing chamber.

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patent: A2 0514735 (1992-11-01), None
patent: 97/08385 (1997-03-01), None

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