Apparatus for perforating wrapping material for rod-shaped artic

Details Apparatus for perforating wrapping material for rod-shaped artic Apparatus for perforating wrapping material for rod-shaped artic

1985-04-17

1987-03-10

Millin, Vincent

Tobacco

Cigar or cigarette making

Including perforating

A24C 520, A24D 302

Patent

active

046484124

ABSTRACT:
Apparatus for perforating the wrappers of filter cigarettes or a continuous web of wrapping material for filter cigarettes has a continuous-wave laser and one or more rotary disc-shaped shutters extending across the path of propagation of the laser beam toward the wrappers or web of wrapping material. The dimensions of perforations in the wrappers or web of wrapping material can be regulated by changing the position of the shutter or shutters relative to the laser beam and/or relative to each other.

REFERENCES:
patent: 4090826 (1978-05-01), Hinzmann
patent: 4121595 (1978-10-01), Heitmann et al.
patent: 4240448 (1980-12-01), Heitmann et al.
patent: 4249545 (1981-02-01), Gretz et al.
patent: 4281670 (1981-08-01), Heitmann et al.

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