Method for making filter cigarettes using light energy to make perforations in the filter tipping wrap

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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Bibliographic Details
Main Authors LILLY, JR.; A. CLIFTON, CLAFLIN; WARREN E, STULTZ; EDWARD B, DULEY; WALTER W, MARTIN; PETER
Format Patent
LanguageEnglish
Published 23.09.1980
Subjects
BASIC ELECTRIC ELEMENTS
CIGARETTES
CIGARS
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
DEVICES USING STIMULATED EMISSION
ELECTRICITY
HUMAN NECESSITIES
MACHINE TOOLS
MACHINES FOR MAKING CIGARS OR CIGARETTES
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
SMOKERS' REQUISITES
SOLDERING OR UNSOLDERING
TOBACCO
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary: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.
Bibliography:Application Number: US19780908520