Tobacco – Tobacco or tobacco substitute product or component part thereof – Cigar or cigarette
Reexamination Certificate
2006-08-02
2010-06-22
Tucker, Philip C (Department: 1791)
Tobacco
Tobacco or tobacco substitute product or component part thereof
Cigar or cigarette
C131S335000, C131S352000, C131S353000, C131S360000, C131S364000, C493S044000
Reexamination Certificate
active
07740019
ABSTRACT:
Filter rods for use in the manufacture of cigarette filter elements are provided, with each rod having a longitudinal axis and incorporating a generally longitudinally extending filter material and a generally longitudinally extending strand within that filter material. A filter making unit receives a continuous supply of a filter material, and forms the filter material into a gathered composite having a continuous cylindrical shape. A continuous supply of a strand (e.g., colored thread) is provided and is introduced into the filter material gathered composite in the tongue of the filter making unit. The filter material and continuous strand positioned therein are formed into a continuous rod having the strand material laterally positioned within that rod, and the continuous rod is subdivided at pre-determined longitudinal intervals to provide a plurality of rod portions.
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Borschke, A. J., “Review of Technologies Relating to Menthol Use in Cigarettes”,Rec. Adv. Tob. Sci., 1993, pp. 47-70, No. 19.
Barnes Vernon Brent
Carter Brent Walker
Nelson John Larkin
Read, Jr. Louis John
Nguyen Phu H
R.J. Reynolds Tobacco Company, Inc.
Tucker Philip C
Womble Carlyle Sandridge & Rice PLLC
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