Device for producing paper webs coated on both sides
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United States of America Patent
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-
Nov 11, 1997
Grant Date -
N/A
app pub date -
Mar 21, 1996
filing date -
Apr 28, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed are a process of and an apparatus for producing paper webs coated on both sides, in particular so-called LWC-papers, in a paper making machine. Firstly, one side of the paper web (1) is coated in a first coating station (8) and then dried. Subsequently, the other side of the paper web (1) is coated in a second coating station (25) and then dried. Each coating station (8, 25) includes an application role (10), an opposing roll (11) and an application unit (13) arranged on the application roll for indirectly coating the paper web. The metering of the coating mass on the application roll (10) takes place by means of a smooth roll doctor. The coated paper web (1) is calendered by means of an on-line calendering unit (60).
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