Chipper knife and method of manufacturing a chipper knife
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United States of America Patent
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May 1, 2012
Grant Date -
May 20, 2010
app pub date -
Jan 8, 2008
filing date -
Jan 12, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A chipper knife adapted to be mounted in chippers which have a rotatable tool, in the form of a disc, drum or frustoconical member, on which a plurality of chipper knives are mounted has at least one cutting edge which is defined between two edge-forming surface portions of the knife at an acute angle to each other. At least one of the two edge-forming surface portions extends from the cutting edge inwardly to a shoulder extending parallel to and facing away from the cutting edge and defining a step surface on the knife behind the shoulder with respect to the rest of the adjacent knife surface and chipper knife.
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