Smoking article with open ended filter and restrictor

A smoking article 10 includes a tobacco rod 12 adapted to produce mainstream smoke, and a filter 14 having an upstream end 20 and a downstream end 22, wherein the filter is arranged to receive mainstream smoke at the upstream end. The filter includes a tubular segment 18 open at the downstream end t...

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Bibliographic Details
Main Authors MARTIN GARTHAFFNER, RICHARD JUPE, SAN LI, MICHAEL S. BRAUNSHTEYN, RAQUEL M. OLEGARIO
Format Patent
LanguageEnglish
Published 18.09.2008
Subjects
CIGARETTES
CIGARS
HUMAN NECESSITIES
MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
MOUTHPIECES FOR CIGARS OR CIGARETTES
SMOKERS' REQUISITES
TOBACCO
TOBACCO SMOKE FILTERS
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Summary:A smoking article 10 includes a tobacco rod 12 adapted to produce mainstream smoke, and a filter 14 having an upstream end 20 and a downstream end 22, wherein the filter is arranged to receive mainstream smoke at the upstream end. The filter includes a tubular segment 18 open at the downstream end thereof and a flow restrictor 30 contained within the tubular segment dividing the filter tube into an upstream cavity 24 and a downstream cavity 26. The filter is attached to the tobacco rod with tipping paper 16 and includes an air-admissible ventilating zone 40 at a location along the downstream cavity.
Bibliography:Application Number: AU20080224550