Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating or impregnating workpiece before molding or shaping...
Reexamination Certificate
2006-01-31
2006-01-31
Lee, Edmund H. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
With printing or coating of workpiece
Coating or impregnating workpiece before molding or shaping...
C264S210300, C264S275000
Reexamination Certificate
active
06991757
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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patent: 5662041 (1997-09-01), Kleist
patent: 11170478 (1999-06-01), None
Rata Ilkka
Vestola Juhani
Lee Edmund H.
Metso Paper Inc.
Steinberg & Raskin, P.C.
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