Chopping blade and counterblade for a chopping device and process for its production
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United States of America Patent
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Nov 26, 2013
Grant Date -
Oct 20, 2005
app pub date -
Apr 11, 2005
filing date -
Apr 19, 2004
priority date (Note) -
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Abstract
Cutting blades and counterblades are presented having long edge life for chopping devices equipped with blades mounted on rotating drums and with counterblades which fit into the gaps between the blades, the blades and/or counterblades being produced by rolling at least one of the longitudinal edges of a piece of flat strip material to form a slightly rounded, prismatic cutting edge, the rolling being continued until satisfactory sharpness is obtained.
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