High speed laser perforation of cigarette tipping paper

Details High speed laser perforation of cigarette tipping paper High speed laser perforation of cigarette tipping paper

2008-07-01

2008-07-01

Desai, Hemant M (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

C219S121700, C131S281000

Reexamination Certificate

active

07393313

ABSTRACT:
A system and method for controlling a cigarette tipping paper perforation process includes supplying the paper in the form of a flexible web from a supply spindle that is mounted for powered angular rotation to a take-up spindle that receives a portion of the flexible web, and the take-up spindle also being mounted for powered angular rotation. A laser beam generator provides at least one laser beam through a series of optics that can include a laser beam expander or contractor, a rotating multi-faceted mirror, collimating lenses and downstream focusing lenses that focus the plurality of laser output beams received from the rotating multi-faceted mirror to burn a plurality of holes in the flexible web of cigarette paper. A control device controls the angular rotation of the supply spindle, the angular rotation of the take-up spindle, tension of the web, laser power and rotation of the multi-faceted mirror.

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