Coaxial cigarette having cross stream barrier
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 30, 2000
Grant Date -
N/A
app pub date -
Nov 23, 1998
filing date -
Dec 23, 1997
priority date (Note) -
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Abstract
The invention relates to a coaxial cigarette including a rod comprising a rod core, a rod core wrapping, a rod jacket and a rod jacket wrapping; and a filter comprising a filter core, a filter core wrapping, a filter jacket and a filter jacket wrapping, a smoke flow stopper being provided between the rod core and the filter jacket and/or the rod jacket and the filter core in the zone joining the rod core wrapping and filter core wrapping, the invention also relating to a method of producing such a cigarette.
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