Fly cutter generator wheel with novel diamond grit configuration to eliminate lens fracture and back cutting
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United States of America Patent
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-
Mar 3, 1992
Grant Date -
N/A
app pub date -
Jan 16, 1991
filing date -
Jan 16, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fly cutter type ring generator wheel with a novel abrasive grip configuration. The grip configuration requires the largest size grit material to be used on the outer circumferential side of the circumferential axially extending cutting edge. The smallest size grit material is attached to the radiused edge, with a mid sized grit material attached to the inner circumferential surface. The grit configuration gives an improved finish on the lens and reduces the propensity for lens chipping.
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