ROUND KNIFE WITH CONCENTRIC MATERIAL REJUVENATION
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United States of America Patent
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Issued Date -
Oct 3, 2019
app pub date -
Mar 27, 2019
filing date -
Mar 28, 2018
priority date (Note) -
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Abstract
The exemplary embodiments relate to a circular blade (1) having two end faces (2) and a peripheral cutting edge (3). The blade includes two axial sides (12, 14). In at least one axial side at least one material tapering (4) is formed running concentric to the cutting edge (3), so that a thickness of the circular blade (1) decreases radially outwardly towards a minimum tapering thickness (5) due to the geometric formation of the material tapering (4). The minimum tapering thickness (5) is dimensioned so that the circular blade (1) cannot be broken at the material tapering, so that a successor cutting edge can be produced by grinding only in the region of the material tapering.
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