Low ignition propensity cigarette

Details Low ignition propensity cigarette Low ignition propensity cigarette

2011-05-10

2011-05-10

Daniels, Matthew J (Department: 1741)

Tobacco

Tobacco or tobacco substitute product or component part thereof

Cigar or cigarette

C131S360000

Reexamination Certificate

active

07938126

ABSTRACT:
A low ignition propensity cigarette according to the invention includes a high-density region formed in the center of the paper tube and containing normal shred tobacco filled to be a filling density of 0.15 to 0.35 g/cm3, for example 0.25 g/cm3, and a low density region formed between the paper tube and the high-density region and containing expanded shred tobacco filled to a filling density of 0.05 to 0.15 g/cm3, for example 0.14 g/cm3. The thickness of the low-density region defined between the paper tube and the high-density region is in the range of 1 to 3 mm.

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