Double wrapped cigarettes with reduced spotting and method of manufacture
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United States of America Patent
Stats
-
Sep 1, 1992
Grant Date -
N/A
app pub date -
Aug 13, 1990
filing date -
Aug 14, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention concerns cigarette spotting. To reduce or prevent cigarette paper spotting, the cigarette is provided with an inner wrapper placed between the tobacco column and the external envelope, this inner wrapper being a paper made of cellulose fibers, with a basis weight at the utmost equal to 30 g/m.sup.2, presenting pores made during paper manufacture, or perforations made after manufacture in such a way that the air permeability is at leaste 500 Coresta units. This invention applies to all cigarettes and similar smoking products.
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