Manufacturing container or tube from paper; or other manufacturi – Cigarette filter making – By assembling dissimilar filter materials
Patent
1992-04-27
1993-06-22
Terrell, William E.
Manufacturing container or tube from paper; or other manufacturi
Cigarette filter making
By assembling dissimilar filter materials
493 44, A24D 302
Patent
active
052212475
ABSTRACT:
This invention relates to a device for delivering free-flowing material into discrete receiving spaces separating filter plugs in partially constructed cigarette filter assemblies. The device has a metering drum for dispensing free-flowing material onto an air permeable transport tape. A vacuum source beneath the transport tape retains the free-flowing material on the transport tape which conveys the free-flowing material beneath a set of pockets mounted on or within a moving belt. Each pocket is divided by a screen permeable to air but not to the free-flowing material. As the transport tape moves beneath the pockets, vacuum applied beneath the tape ceases, and vacuum applied to the pockets draws the free-flowing material up into the pockets, and retains the free-flowing material in the pockets. When the belt transfers the pockets out from under the vacuum hood, and the vacuum is no longer applied, the free-flowing material is released from the pockets. At this point, the belt has carried the pockets over an air-permeable garniture tape containing filter plugs separated by discrete receiving spaces. The free-flowing material then moves into the receiving spaces and this movement may be assisted by a vacuum applied beneath the garniture tape.
REFERENCES:
patent: 3623404 (1971-11-01), Jackson
patent: 4412829 (1983-11-01), Lebet et al.
patent: 4425107 (1984-01-01), Hall
patent: 4861324 (1989-08-01), Hirose et al.
Atwell Charles G.
Budjinski, II Joseph F.
Fleischhauer Grier S.
Garthaffner Martin T.
Keen, Jr. Billy J.
Philip Morris Incorporation
Terrell William E.
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