Electric heating – Metal heating – By arc
Reexamination Certificate
2005-04-04
2008-10-07
Heinrich, Samuel M (Department: 3742)
Electric heating
Metal heating
By arc
C219S121730, C219S121740
Reexamination Certificate
active
07432471
ABSTRACT:
A laser beam hardening tool is comprised of an engagement portion for freely engaging with a tool holding portion of a machine tool, a beam guide path which is a passage of supplied laser beam, and a torch portion for radiating laser beam which passed through the beam guide path on a workpiece, thereby executing hardening with laser beam inside the machine tool by installing the laser beam hardening tool in the tool holding portion of the machine tool.
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Derwent acc No. 1991-337348, week 199146, Fibre optic module interface attachment- has self closing shutters to guard against accidental laser exposure, pub date Oct. 10, 1991, 2 sheets.
Miyagawa Naoomi
Yamazaki Tsunehiko
Duane Morris LLP
Heinrich Samuel M
Yamazaki Mazak Kabushiki Kaisha
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