Method for managing lamella vibrations of a lip channel of a head box and the lamella for the lip channel of the headbox
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United States of America Patent
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Sep 14, 2010
Grant Date -
May 15, 2008
app pub date -
Mar 8, 2006
filing date -
Mar 24, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A procedure and arrangement to control the lamella of a headbox's lip channel, when the mass flow goes in the headbox (3) through the lip channel (2), in which case single mass flows are held separate from each other with the lamella (1) before the flows are united after the lamella. The lamella's dimensions, mechanical characteristics and/or dynamic characteristics are changed at least in the lamella's border area with an active structure, which is active and/or passive active tool and/or active and/or passive active material.
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