Equipment and associated method for insertion of material into cigarette filters

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10045559
APP PUB NO 20140100099A1
SERIAL NO

14098636

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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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Patent Owner(s)

  • R.J. REYNOLDS TOBACCO COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barnes, Vernon Brent Advance, US 53 1867
Carter, Brent Walker High Point, US 7 158
Nelson, John Larkin Lewisville, US 40 894
Read,, Jr Louis John Winston-Salem, US 7 167

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