Title: Ventilating filter-tip cigarette with coaxial filter-tip member
Application Number: 98107492 Application Date: 1998.04.29
Publication Number: 1200899 Publication Date: 1998.12.09
Approval Pub. Date: 2003.02.12 Granted Pub. Date: 2003.02.12
International Classifi-cation: A24D1/00
Applicant(s) Name: British-America Tobacco Inc. Address:
Inventor(s) Name: Virna Schnide
Attorney & Agent: zhang jinxi
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 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.
Time: 16
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