Class 131/315 - And straightening, smoothing, flattening, or cleaning

Subclass of Class 131 - Tobacco
Definition: Process or apparatus wherein the tobacco leaf is further
No. of patents: 4
Last issue date: 05/27/2003

Number	Title	Issue Date
6568401	Process for providing cut filler for cigarettes A process for preparing tobacco stem for use as filler for a smoking article includes classifying the green tobacco stem by diameter to provide a plurality of stem grades and rolling each grade separately. Each grade is rolled under rolling conditions opt...	05/27/2003
4386617	Tobacco stem shredding Novel shredded tobacco stem material having a much lower burn rate than other stem material and other beneficial properties and useful in the formation of cigarettes is formed by a novel procedure which produces only a relatively minor proportion of parti...	06/07/1983
4368744	Device for spreading whole tobacco leaves A device for spreading tobacco leaves comprises a suction box with a perforated wall and a shield composed of a plurality of sections transversely movable outwards from a closed position in which they cover the perforated wall with the exception of a cent...	01/18/1983
4233997	Rib roller for processing tobacco ribs This disclosure relates to a rib-rolling mechanism for processing tobacco ribs and includes a pair of relatively rotatable rollers having peripheral surfaces defining therebetween a throat through which it is adapted to pass tobacco, the rollers having sh...	11/18/1980

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