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US 7,017,586 B2Granted
Cigarette
AssigneeJapan Tobacco Inc.
InventorsTakeo Tsutsumi, Keigo Miura
Life of this patent
Estimating the term…
Abstract
A cigarette comprises a tobacco section including a columnar tobacco filler material and at least one cellulose-based wrapping paper sheet for wrapping the outer circumferential surface of the columnar tobacco filler material. The outermost wrapping paper sheet among the wrapping paper sheets has a thermal conductivity not lower than 0.5 W·K−1·m−1.
Claims4
A cigarette comprising:
- a tobacco section including a columnar tobacco filler material,
- a wrapping material including at least one cellulose-based wrapping paper sheet, said wrapping material wrapping an outer circumferential surface of the columnar tobacco filler material, wherein said wrapping paper sheet includes an outermost wrapping paper sheet having a thermal conductivity of 0.5 W·K−1·m−1 or more;
- and
- an inside wrapping paper sheet between said outermost wrapping paper sheet and said filler material, wherein the outermost wrapping paper sheet has a thermal conductivity of 0.5 W·K−1·m−1 to 0.6 W·K−1·m−1.
1 more element
Dependencies are inferred from the claim text.