Adjustable air dilution cigarette exhibiting controlled pressure drop
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United States of America Patent
Stats
-
Mar 17, 1987
Grant Date -
N/A
app pub date -
Dec 16, 1985
filing date -
Dec 16, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A smoking article such as a filter cigarette can have an adjustable delivery air dilution while exhibiting a reduced pressure drop decrease during air dilution thereof. The pressure drop decrease is controlled during various stages of air dilution by providing a mouthpiece which exhibits greater effective length at a low or non-air dilution setting than at a high air dilution setting. Filter cigarettes of this invention are capable of exhibiting a somewhat constant smoking character at various air dilution levels.
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