Method of laser hardening corrugating rolls
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United States of America Patent
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-
Jan 19, 1993
Grant Date -
N/A
app pub date -
Aug 22, 1990
filing date -
Aug 22, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is disclosed for heat treating the flutes of a corrugating roll. A laser having a beam with a Gaussian power density distribution is provided for heating the flutes. The beam from the laser is reconfigured by an integrator lens to form a beam having a homogeneous power density distribution, which is focused upon the upper portion of a flute to be heat treated as the flute is traversed lengthwise past the beam.
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