Apparatus for perforating articles by laser

Details Apparatus for perforating articles by laser Apparatus for perforating articles by laser

1978-05-22

1980-09-23

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LM, B23K 2700

Patent

active

042244986

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.

REFERENCES:
patent: 3154370 (1964-10-01), Johnson
patent: 3524046 (1970-08-01), Brouwer
patent: 3808394 (1974-05-01), Mominee et al.
patent: 3826578 (1974-07-01), King et al.
patent: 3865564 (1975-02-01), Jaeger et al.
patent: 3866398 (1975-02-01), Vernon, Jr. et al.
patent: 3981705 (1976-09-01), Jaeger et al.
patent: 4027137 (1977-05-01), Liedtke
patent: 4121595 (1978-10-01), Heitmann

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