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

A - Human Necessities

24

D

A24D 1/00 (2006.01) A24D 3/04 (2006.01) A24D 3/18 (2006.01)

Patent

CA 2235537

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.

Cigarette-filtre ventilée constituée : d'un boudin de tabac; de papier à cigarettes pour envelopper le boudin de tabac; d'un filtre ventilé au moyen d'ouvertures et comprenant un filtre coaxial composé d'un noyau de filtre enveloppé d'un revêtement, d'une gaine de filtre entourée d'un revêtement. Les caractéristiques du boudin de tabac et du filtre et les dimensions de leurs composants individuels permettent à la fumée de s'écouler principalement à travers le noyau du filtre (lorsque la zone de ventilation est ouverte). Lorsque les ouvertures de ventilations sont bloquées, la fumée de la cigarette s'écoule en majeure partie à travers la gaine de filtre du filtre coaxial.

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