Modular tobacco preparation including extrusion

A - Human Necessities – 24 – B

Patent

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Details

A24B 3/00 (2006.01) A24B 3/18 (2006.01)

Patent

CA 2732713

The invention relates to a tobacco preparation method, wherein a tobacco material is prepared through at least one extrusion process comprising compressing the material with an increase in pressure and temperature and mechanically processing and abruptly flash drying the material at an extruder outlet, wherein the tobacco material comprises a tobacco lamina material. The invention further relates to a tobacco preparation device comprising a dosing conveyor (2) and an extruder (3) which compresses a tobacco material with an increase in pressure and temperature and mechanically process and abruptly flash dries the material at the extruder outlet, wherein the components (3, 4) are designated as a unit which can be modularly delimited for processing a tobacco material comprising a tobacco lamina material. The invention further relates to an arrangement of several tobacco preparation devices and a smoking article or cigarette manufacturing device comprising such a device or such a device arrangement which is connected upstream of a cigarette maker or a secondary unit as a tobacco preparation module.

L'invention concerne un procédé de préparation de tabac selon lequel un matériau de tabac est traité par au moins un processus d'extrusion qui comprend un compactage avec augmentation de la pression et de la température ainsi qu'un traitement mécanique et séchage éclair par choc du matériau à la sortie d'une extrudeuse, le matériau de tabac comprenant un matériau de feuilles de tabac. Linvention concerne également un ensemble de préparation de tabac comprenant un transporteur doseur (2) et une extrudeuse (3), lequel ensemble procède à un compactage du matériau de tabac avec augmentation de la pression et de la température ainsi qu'un traitement mécanique et séchage éclair par choc du matériau à la sortie de l'extrudeuse, les composants (3, 4) étant conçus comme unité modulairement limitable pour le traitement d'un matériau de tabac qui comprend un matériau de feuilles de tabac. L'invention concerne également un agencement de plusieurs ensembles de préparation de tabac et un dispositif de fabrication d'articles à fumer ou de cigarettes avec un tel ensemble ou un tel agencement d'ensembles qui est placé comme module de préparation de tabac ou module primaire en aval d'un dispositif de production de cigarettes ou unité secondaire.

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