Filter

Details Filter Filter

A - Human Necessities

24

D

A24D 3/02 (2006.01)

Patent

CA 2707388

A filter for a cigarette comprises a porous filter rod (3) a material sheet (2) wrapped around the filter rod and a cellulose acetate thread (4) formed from substantially uncrimped cellulose acetate filaments. The cellulose acetate thread is positioned within the filter rod and extends along the central axis of the filter rod.

L'invention porte sur un filtre de cigarette qui comprend une tige de filtre poreuse, une feuille de matériau enroulée autour de la tige de filtre et un fil en acétate de cellulose formé à partir de filaments d'acétate de cellulose sensiblement non plissés. Le fil d'acétate de cellulose est positionné à l'intérieur de la tige de filtre et s'étend le long de l'axe central de la tige de filtre.

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