Cigarette ventilation control

Details Cigarette ventilation control Cigarette ventilation control

1980-11-26

1983-06-28

Millin, V.

Tobacco

Cigar or cigarette making

Including perforating

A24C 560

Patent

active

043900321

ABSTRACT:
An apparatus and a method for making ventilated cigarettes. Either the cigarettes are perforated after assembly or the tipping paper is perforated before assembly. The position of the perforations as a group relative to the mouth end of the cigarette is adjustable to select a required degree of ventilation of the assembled cigarette. Automatic selection is effected by measuring the dilution of the assembled cigarettes and causing the perforator to be controlled accordingly. Perforation may be effected by pins mechanically, by spark discharge by laser or by electron beam.

REFERENCES:
patent: 4121595 (1978-10-01), Heitmann

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