Electric heating – Metal heating – By arc
Reexamination Certificate
2005-03-29
2005-03-29
Thomas, Tom (Department: 2815)
Electric heating
Metal heating
By arc
C219S121600, C219S121670, C219S121690, C219S121720, C347S224000, C347S225000, C347S256000, C347S259000, C372S029014
Reexamination Certificate
active
06872913
ABSTRACT:
A laser unit, which provides markings on a surface of a continuous strip of metal, includes a laser for generating a beam of laser radiation. The laser unit further includes a lens arrangement for focusing the laser beam onto the surface of the strip, and a beam scanner that effects a controlled deflection of the laser beam in two mutually perpendicular directions. The beam scanner is arranged intermediate the laser and the lens arrangement. The laser unit is operable to provide laser engraved markings at exact locations on the surface when the strip intermittently is in an immobilized condition before being fed into a subsequent processing apparatus, which mechanically shapes the thus-marked strip into marked articles to be included in cans.
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Landau Matthew C
Nixon & Vanderhye P.C.
REXAM AB
Thomas Tom
LandOfFree
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