Method of and apparatus for making perforations in the...

Details Method of and apparatus for making perforations in the... Method of and apparatus for making perforations in the...

2005-04-19

2005-04-19

Walls, Dionne A. (Department: 1731)

Tobacco

Cigar or cigarette making

Including perforating

C131S280000

Reexamination Certificate

active

06880559

ABSTRACT:
An method for increasing the permeability of tubular wrappers of a succession of cigarettes by at least one pulsed beam of coherent radiation issuing from a laser has a hollow drum-shaped conveyor cooperating with a rolling member to define an arcuate channel wherein successive cigarettes roll while advancing sideways past a perforating station. Each beam of coherent radiation is generated in or is caused to enter the interior of the conveyor prior to being influenced by one or more deflecting and/or focussing elements to be propagated substantially radially and through an opening of the hollow conveyor and to impinge upon the wrapper of a cigarette rolling at the perforating station.

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“Training A Laser Beam And Pacing Lead With A Deflectable Tip”, Research Disclosure, Mar. 1997, vol. 187:39546-39547.

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