BLADE FOR TANGENTIAL SCRAPING OF A WORKPIECE SURFACE
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United States of America Patent
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Issued Date -
May 10, 2012
app pub date -
Nov 5, 2010
filing date -
Nov 5, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In a scraping or debarking apparatus a blade and a workpiece having an outer surface to be scraped are relatively moved by rotation of the workpiece about an axis or orbiting of the blade about the axis such that the blade moves angularly relative to the surface. The blade has a body with a front side face turned radially generally toward the workpiece, a back side face turned away from the workpiece, and an edge face bridging the front and back faces and forming with the front face a corner. The body is oriented such that the corner is in engagement with the workpiece surface, and a strip of a material harder than a material of the body extends on the edge face along the corner.
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