A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
A24D 3/02 (2006.01)
Patent
CA 2469245
The invention relates to a filter (10) for tobacco products, comprising a first end filter element (12), a second end filter element (14) and a central filter element (16), located between the first and the second end filter element and containing a granular filter material and a wrapping (20), one part of one of the end filter elements (12) being displaceable in relation to the wrapping (20). The invention also relates to smoking articles comprising filters of this type, to filter strands comprising two or more of the filters and to methods and devices for producing filters and tobacco products of this type.
L'invention concerne un filtre (10) pour produits de tabac, comprenant un premier élément filtrant d'extrémité (12), un second élément filtrant d'extrémité (14), un élément filtrant central (16), qui se situe entre les premier et second éléments filtrants et qui contient une matière filtrante en grains, ainsi qu'une enveloppe (20), une partie d'un desdits éléments filtrants d'extrémité (12) pouvant être déplacée par rapport à ladite enveloppe (20). Cette invention concerne également des articles à fumer contenant des filtres de ce type, des boudins contenant un ou plusieurs de ces filtres ainsi que des procédés et dispositifs permettant la fabrication desdits filtres et produits de tabac.
Aeschlimann Reynald M.
Boido Dante M.
Lauenstein Michael
Philip Morris Products S.a.
Ridout & Maybee Llp
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