Production of smoking products by thermal extrusion

A - Human Necessities – 24 – B

Patent

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Details

A24B 3/18 (2006.01) A23P 1/14 (2006.01)

Patent

CA 2733386

The invention relates to a method for producing a smoking product from a tobacco material, wherein the tobacco material is treated using at least one extrusion process, which comprises compaction with an increase in pressure and temperature and a mechanical treatment and sudden flash drying of the material at an outlet of an extruder (1), wherein a heated process fluid (7) is supplied as a heat transfer medium to the tobacco material in the extruder (1) to supply process heat. The invention further relates to a device for producing a smoking product from a tobacco material using an extruder (1) which performs a compaction of a tobacco material with an increase in pressure and temperature and a mechanical treatment and sudden flash drying of the material at the extruder outlet, wherein the extruder (1) is associated with a heater (11), which heats a process fluid (7) that is supplied to the extruder (1) for supplying process heat as a heat transfer medium.

La présente invention concerne un procédé de fabrication d'un article à fumer composé de tabac. Selon le procédé, le tabac est préparé à l'aide d'au moins un procédé d'extrusion, incluant un compactage avec augmentation de la pression et de la température ainsi qu'un traitement mécanique et un séchage rapide, par détente, du matériau au niveau d'une sortie de l'extrudeuse (1), un fluide de traitement (7) réchauffé étant amené, en tant que fluide caloporteur, vers le tabac se trouvant dans l'extrudeuse (1) pour apporter la chaleur de traitement. L'invention concerne en outre un dispositif de fabrication d'un article à fumer, composé de tabac, comportant une extrudeuse (1) qui effectue un compactage du tabac avec augmentation de la pression et de la température ainsi qu'un traitement mécanique et un séchage rapide, par détente, du matériau à la sortie de l'extrudeuse (1), un réchauffeur (11) étant adjoint à l'extrudeuse (1) et réchauffant un fluide de traitement (7), lequel est amené vers l'extrudeuse (1), en tant que fluide caloporteur, pour apporter la chaleur de traitement.

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