Caring doctor blade and method for manufacture of same
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United States of America Patent
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Jan 31, 2006
Grant Date -
Nov 28, 2002
app pub date -
Jul 9, 2002
filing date -
Sep 11, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A caring doctor blade for a paper/board machine having layers of fiberglass and carbon fibers, and a caring layer as a rigid laminated structure, where the caring layer has carbon fibers and grinding particles in direct proximity to the carbon fibers. The orientation of the fiberglass layers is parallel to the longitudinal axis of the blade. At least some of the layers that contain carbon fibers. The orientation of the carbon fibers is substantially diverging from the direction of the longitudinal axis of the blade. A method for manufacturing the doctor blade for a paper/board machine by a pultrusion method is also disclosed.
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