Tobacco – Cigar or cigarette making – Including perforating
Patent
1979-04-03
1982-03-16
Millin, V.
Tobacco
Cigar or cigarette making
Including perforating
83866, 83868, A24C 560
Patent
active
043195890
ABSTRACT:
A perforating device and a method for perforating double length filter cigarette assemblies, in which cigarettes are transferred from the drying drum, of a plug assembler onto a first conveyor which conveys them into the space between a straight flight of the first conveyor and a parallel flight of a second conveyor. The speed of the first conveyor is varied cyclically relative to that of the second by means of a speed modulator, so that the cigarettes are rolled in successive steps during their travel through the device so as to present successive different segments of the outer circumferential surface of the central filter portion to a perforator device. The perforator is reciprocated parallel to the conveyors in synchronism with the movement of the cigarettes through the device, while also being reciprocated perpendicular to the conveyors so as to perforate the cigarettes at the instant at which their rotational speed is zero, at which point there is therefore no relative rolling between the pins and the cigarettes. After perforation the assemblies are transferred back to the drum of the plug assembler.
REFERENCES:
patent: 3483873 (1969-12-01), Hinzmann
patent: 3701353 (1972-10-01), Pasquine et al.
patent: 3730039 (1973-05-01), Fedrigo
patent: 4054166 (1977-10-01), Ortez, Jr.
patent: 4061148 (1977-12-01), Goslin et al.
patent: 4090826 (1978-05-01), Hinzmann
patent: 4148324 (1979-04-01), Muller
patent: 4188847 (1980-02-01), Payne
Millin V.
Molins Limited
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