Improvements relating to tobacco smoke filtration material

Details Improvements relating to tobacco smoke filtration material Improvements relating to tobacco smoke filtration material

A - Human Necessities

24

D

A24D 3/02 (2006.01) A24D 3/08 (2006.01)

Patent

CA 2186585

The invention relates to a method and apparatus for the downstream handling of water-soluble polysaccharide-containing extruded tobacco smoke filtration material. During conveying of the extrudate from the extruder die (2) of an extruder to a cutter (6), the extrudate is heated, shaped and cooled to provide tobacco smoke filtration material of desired dimensions and physical characteristics.

L'invention se rapporte à un procédé et à un appareil de traitement en aval d'un matériau de filtration de fumée de tabac extrudé, contenant un polysaccharide soluble dans l'eau. Lors du transport de l'extrudat à partir de la filière d'extrusion (2) d'une extrudeuse jusqu'à un organe de coupe (6), l'extrudat est chauffé, façonné et refroidi afin de former un matériau de filtration de la fumée du tabac aux dimensions et caractéristiques physiques désirées.

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