Movably clamped doctor blade device and process for evening the coating of
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United States of America Patent
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Jun 25, 1996
Grant Date -
N/A
app pub date -
Mar 18, 1994
filing date -
Sep 25, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for blade coating of a travelling web, preferably a paper web, comprising means for supporting and feeding of the web and a doctor blade extending across the web and engaging the web along a first long-side thereof for evening out a coating composition applied to the web and a blade holder carrying the blade along a second long-side, characterized by pressure means arranged to bring, by applying pressure from an outer side of the blade and adjacent to the first long-side, the first long-side of the blade to engagement on the web without imparting substantial bending to the blade as seen in its cross section, said blade being movably clamped in the blade holder; a process for evening the coating of such a traveling web using such an apparatus.
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