A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
A24D 1/08 (2006.01) A24C 5/00 (2006.01) A24D 1/00 (2006.01)
Patent
CA 2060760
This invention provides a smoking article (1) having reduced sidestream smoke in the inter-puff period. A smoking article (1) according to the invention may comprise segments of a high level of tobacco-containing material (5) interconnected by segments of low level of tobacco-containing material (6) which are capable of maintaining smoulder in the inter-puff period and re-igniting the segments of a high level of tobacco-containing material (5) in the puff period. Alternatively, a smoking article according to another aspect of the invention may comprise a lengthwise, axially extending, tobacco-containing fuse portion (46) which sustains smoulder in the inter-puff period when surrounding tobacco material (45) is substantially extinguished and which re-ignites the extinguished material on puffing of the smoking article (1).
Cette invention concerne un article de fumeur (1) qui dégage moins de fumée secondaire entre les bouffées. Un article de fumeur (1) selon la présente invention peut comporter des segments à grande concentration de tabac (5) interconnectés par des segments renfermant peu de tabac (6) qui maintiennent entre les bouffées une combustion lente propre à rallumer le segment à grande concentration de tabac suivant (5) à la prise d'une bouffée. Selon une autre variante de l'invention, l'article de fumeur peut comporter une partie mèche longitudinale renfermant du tabac (46) qui maintient une combustion lente entre les bouffées, lorsque le tabac qui l'entoure (45) est quasiment éteint, et qui rallume ce tabac lorsqu'on tire une bouffée à nouveau.
Kinnard Philip John
Luke John Anthony
British American Tobacco Company Limited
Fetherstonhaugh & Co.
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