Ventilated filter cigarette with a coaxial filter element

Details Ventilated filter cigarette with a coaxial filter element Ventilated filter cigarette with a coaxial filter element

1998-04-28

1999-11-09

Silverman, Stanley S.

Tobacco

Smoke separator or treater

Having means to vary smoke flow rate

131336, 131339, A24D 304

Patent

active

059794593

ABSTRACT:
The invention refers to a ventilated filter cigarette comprising a tobacco rod, a wrapper for the tobacco rod and a filter ventilated through ventilation openings, including a coaxial filter element, comprising a filter core, a wrapper for the filter core, a filter jacket and a wrapper for the filter jacket, in which the material specifications of the tobacco rod and the filter and the dimensions of their individual components are designed to allow the smoke to flow mainly through the filter core (upon open ventilation zone) and when covering the ventilation openings, the smoke of the cigarette flows to a major degree through the filter jacket of the coaxial filter element.

REFERENCES:
patent: 5012829 (1991-05-01), Morris
patent: 5379789 (1995-01-01), Schneider et al.
patent: 5388596 (1995-02-01), Schneider et al.
patent: 5423336 (1995-06-01), Mentzel
patent: 5439011 (1995-08-01), Schneider
patent: 5549125 (1996-08-01), White
patent: 5622190 (1997-04-01), Arterbery et al.

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