Producing filler material, particularly for cigarette filters

Details Producing filler material, particularly for cigarette filters Producing filler material, particularly for cigarette filters

1981-08-03

1986-06-10

Millin, V.

Tobacco

Cigar or cigarette making

Tobacco feeding

131 841, 493 42, 493 50, 156 622, 156 624, 156180, 156441, A24C 514, B31C 1300, B32B 1900

Patent

active

045937060

ABSTRACT:
Filler material, particularly for cigarette filters, is produced by feeding a stream of substantially continuous fibres of filter material onto a pin roller having a surface carrying sharp projections in the form of pins and the pin roller is driven at a speed such that the fibres are rapidly accelerated so as to be broken by the pins into irregular lengths and are projected from the roller in random orientations. The broken fibres may be collected as a stream for delivery to a rod-making unit by showering onto a conveyor band, by continuously rolling the fibres between cooperating rollers, or pneumatically. More than one stream could be supplied to the pin roller, so that the broken fibres can comprise a mixture of fibres of different filter materials. The broken fibres may be received on a substantially continuous carrier stream, comprising similar or different filtering material, before the fibres and carrier stream are formed into filter rod.

REFERENCES:
patent: 2774680 (1956-12-01), Hackney et al.
patent: 2931748 (1960-04-01), Muller
patent: 3658626 (1972-04-01), Berger et al.
patent: 3675541 (1972-07-01), Tokitomo et al.
patent: 3862472 (1975-01-01), Norton
patent: 3910166 (1974-02-01), Sexstone
patent: 3913176 (1975-10-01), Grossi
patent: 3918126 (1975-11-01), Wood

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