Electric heating – Metal heating – By arc
Patent
1980-06-16
1982-09-14
Albritton, C. L.
Electric heating
Metal heating
By arc
219121LT, 219121LY, 219121LP, 219121FS, B23K 2700
Patent
active
043497195
ABSTRACT:
Perforations are made at locations spaced about the periphery of a cigarette by conducting separate parts of a laser beam through respective separate light paths which intersect such spaced peripheral locations.
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Cashwell Ernest
Claflin Warren E.
Duley Walter W.
Grollimund Everett C.
Lilly, Jr. A. Clifton
Albritton C. L.
Philip Morris Incorporated
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