A - Human Necessities – 24 – F
Patent
A - Human Necessities
24
F
A24F 13/06 (2006.01) A24D 3/04 (2006.01) A24D 3/16 (2006.01)
Patent
CA 2472757
A smoking article such as a cigarette (10) comprises a tobacco rod (12) and a filter component (14) having a cavity (22) filled with spherical beaded carbon (24). As mainstream tobacco smoke is drawn through the filter component (14), targeted gas phase smoke constituents are removed as the smoke passes through the carbon (24). During the filter manufacturing process, the spherical beaded carbon (24) flows like a liquid and substantially completely fills the cavity (22). Point-to-point contact between the spherical beads (24) together with substantially complete filling of the cavity (22) produces minimal channeling of ambulatory gas phase as well as maximum contact between the gas phase and the carbon surface of the spherical beads (24) during smoking.
L'invention concerne un article pour fumeur tel qu'une cigarette (10) comprenant un cylindre de tabac (12) et un composant de filtre (14) doté d'une cavité (22) remplie de billes de carbone (24). La fumée principale de tabac est aspirée à travers le composant de filtre (14) et des constituants de fumée ciblés en phase gazeuse sont éliminés lorsque ladite fumée traverse les billes de carbone (24). Pendant le processus de fabrication du filtre, les billes de carbone (24) s'écoulent comme un liquide et remplissent sensiblement la totalité de la cavité (22). Un contact point à point entre les billes (24) et la cavité (22) sensiblement complètement remplie produit un effet de canal minimum de phase gazeuse ambulatoire ainsi qu'un contact maximum entre ladite phase gazeuse et la surface des billes de carbone (24) pendant l'usage de tabac.
Fournier Jay A.
Gee Diane L.
Koller Kent B.
Luan Zhaohua
Nepomuceno Jose M. G.
Philip Morris Products S.a.
Ridout & Maybee Llp
LandOfFree
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