Method and apparatus for forming cigarette filter rods

Details Method and apparatus for forming cigarette filter rods Method and apparatus for forming cigarette filter rods

1982-03-10

1985-06-11

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Cigarette filter making

With shaping or compacting of filter material

493 50, 28283, A24C 550

Patent

active

045226164

ABSTRACT:
The present invention relates to high speed processes and apparatus for the manufacture of cigarette filter rods. In accordance with this invention it has been discovered that in a process of manufacturing filter elements from opened and deregistered crimped continuous filament tow, wherein said tow is conducted from a mechanical forwarding means through an aspirating jet positioned adjacent a compacting means and wherein means are provided for dissipating aspirating fluid, that filter rod pressure drop and weight variations are reduced by causing the opened and deregistered tow to contact a drag inducing tow width and direction controlling means positioned substantially intermediate said mechanical forwarding means and said aspirating jet.

REFERENCES:
patent: 3016945 (1962-01-01), Wexler
patent: 3032829 (1962-05-01), Mahoney et al.
patent: 3050430 (1962-08-01), Gallagher
patent: 3095343 (1963-06-01), Berger
patent: 3099594 (1963-07-01), Caines et al.
patent: 3106501 (1962-10-01), Cobb, Jr. et al.
patent: 3173188 (1965-03-01), Wexler
patent: 3204295 (1965-09-01), Amos
patent: 3380131 (1968-04-01), Gray
patent: 3636825 (1972-01-01), Randall et al.
patent: 3831501 (1974-08-01), Bevington, Jr.
patent: 4411641 (1983-10-01), Suzuki et al.

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