Method and device for making tobacco smoke filters

Details Method and device for making tobacco smoke filters Method and device for making tobacco smoke filters

A - Human Necessities

24

B

A24B 15/18 (2006.01) A24D 3/00 (2006.01) A24D 3/02 (2006.01) A24D 3/06 (2006.01)

Patent

CA 2649126

A composition useful for treating the substrate of a tobacco smoke filter. A tobacco smoke filter comprising one or more than one free porphyrin or one or more than one free metal phthalocyanine. A seamless tobacco smoke filter (80, 90) comprising a first segment and a second segment. A device (110) for making a tobacco smoke filter from tobacco smoke filter substrate comprising a rod maker machine (112) and an applicator (120) for applying one or more than one additive intermittently to the substrate in a plurality of spaced bands.

L'invention concerne une composition utile pour le traitement du substrat de filtre à fumée de tabac. Un filtre à fumée de tabac comportant une ou plus d'une porphyrine base libre ou une ou plus d'une phthalocyanine exempte de métal. Un filtre à fumée de tabac sans couture (80, 90) comprenant un premier segment et un deuxième segment. Un appareil (110) pour la fabrication de filtres à fumée de tabac depuis un substrat de filtre à fumée de tabac comprenant une confectionneuse de tige (112) et un applicateur (120) pour l'application d'un ou de plus d'un additif de façon intermittente au substrat par une pluralité de bandes espacées.

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