Tobacco – Cigar or cigarette making – Recovery of tobacco from cigarettes and cigars
Patent
1992-10-21
1994-07-26
Millin, Vincent
Tobacco
Cigar or cigarette making
Recovery of tobacco from cigarettes and cigars
493 44, 493 48, 28282, A24C 536, B31C 1300, D01D 1102
Patent
active
053319761
ABSTRACT:
Apparatus and method are provided for supplying cellulose acetate tow for the manufacture of cigarette filters from the transport jet of a tow opener to a cigarette filter rodmaking garniture. The apparatus is a frustoconical member having a multiplicity of apertures in the wall thereof and is attached directly to the transport jet. The apparatus has an internal diameter the same size as the exit opening of the transport jet. The opposite end of the adapter is inserted into the tow intake of the garniture. Transport gas that is introduced by the transport jet escapes through apertures in the adapter wall as the tow enters the garniture intake. A closely fitting rotatable sleeve having apertures in the wall thereof can be used to reduce the escape of transport gas through the adapter wall for optimizing performance of the adapter with tows of various processing characteristics. Tow yield is improved and pressure drop variability is reduced.
REFERENCES:
patent: 3323961 (1987-06-01), Gallagher
patent: 4390031 (1983-06-01), Berger
patent: 4468845 (1984-09-01), Harris
patent: 4594162 (1986-06-01), Berger
patent: 4747814 (1988-05-01), Berger
patent: 5106357 (1992-04-01), Kampen
patent: 5203757 (1993-04-01), Kampen
Hammer, III R. H.
Hoechst Celanese Corporation
Millin Vincent
Wong Steven B.
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