Cigarette filter assembly machine

Details Cigarette filter assembly machine Cigarette filter assembly machine

2007-06-05

2007-06-05

Harmon, Christopher R. (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Cigarette filter making

By assembling dissimilar filter materials

C493S039000, C493S050000, C493S388000, C131S056000, C131S057000, C131S057500, C053S216000, C053S587000

Reexamination Certificate

active

10349662

ABSTRACT:
A cigarette filter assembly machine wherein a rolling unit is defined by a rolling drum and a guide drum coaxial with each other and connected to each other in angularly-fixed, axially-sliding manner; and wherein the rolling drum has a number of suction rollers (54) rotated, with respect to the rolling drum, by respective independent drive units; the guide drum has a number of semicylindrical cavities, each coaxial, and defining a relative rolling channel, with a relative suction roller; the suction rollers receive, with a first spacing, relative groups of component parts of a relative double cigarette; and each drive unit rotates the relative suction roller to roll the relative group inside the relative rolling channel and to extract a relative double cigarette from the relative rolling channel, and reverses the relative suction roller to release the relative double cigarette with a second spacing smaller than the first spacing.

REFERENCES:
patent: 4640013 (1987-02-01), Cristian
patent: 4848371 (1989-07-01), Belvederi
patent: 5014524 (1991-05-01), Smilovici
patent: 5695441 (1997-12-01), Irikura
patent: 5887595 (1999-03-01), Draghetti et al.
patent: 5928124 (1999-07-01), Gherardi et al.
patent: 0 620 984 (1994-10-01), None
patent: 0 867 127 (1997-03-01), None

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