Forming board for papermaking machine with adjustable blades
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United States of America Patent
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-
Mar 30, 2004
Grant Date -
Oct 2, 2003
app pub date -
Apr 2, 2002
filing date -
Apr 2, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A forming board for a papermaking machine includes: a support; a transversely-extending lead blade attached to the support, the lead blade; a plurality of transversely-extending trailing blades; a mounting unit for each of the plurality of trailing blades, the mounting unit being attached to a respective trailing blade and to the support such that the upper surfaces of the lead blade and the trailing blades are substantially coplanar and such that gaps are defined between the trailing edges and leading edges of adjacent blades, the gaps being of substantially uniform width; and a drive unit attached to the mounting unit and to the support, the drive unit being configured to drive the trailing blades simultaneously to different longitudinal positions relative to the support, wherein the gap widths vary but remain substantially uniform.
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