Continuous filter rod making machines

Details Continuous filter rod making machines Continuous filter rod making machines

1974-04-05

1976-03-02

Coan, James F.

Tobacco

Tobacco users' appliance

Cigar tip perforators or slitters

131 84A, 131 84B, A24C 550

Patent

active

039410366

ABSTRACT:
A filler for a continuous cigarette filter rod is formed by feeding a wide band of filaments of filter material on to a slower moving surface, to which suction is applied so that the band is axially shrunk and the filaments crimped. The band is then narrowed to the desired width of the filler whilst retaining the crimp in the filaments, preferably by the use of a plasticiser.

REFERENCES:
patent: 2221443 (1940-11-01), Davidson
patent: 2351410 (1944-06-01), DiIanni
patent: 3494263 (1970-02-01), Tachibana et al.
patent: 3548837 (1970-12-01), Cristiani
patent: 3563249 (1971-02-01), Geyer et al.
patent: 3587593 (1971-06-01), Wilde et al.
patent: 3589373 (1971-06-01), Hooper
patent: 3675541 (1972-07-01), Tokitomo et al.
patent: 3736941 (1973-06-01), Molins et al.
patent: 3779252 (1973-12-01), Brackmann et al.

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