Tobacco reconstitution

Details Tobacco reconstitution Tobacco reconstitution

A - Human Necessities

24

B

A24B 3/14 (2006.01) A24B 15/14 (2006.01)

Patent

CA 2153959

- 9 - In a process of tobacco reconstitution by extrusion a mixture of tobacco, starch and binder, with the addition of water, is extruded as a web. The extrudate is drawn down, whereby the thickness of the web is reduced. A minor proportion of the binder, which may be carboxymethyl cellulose, is fed to the extruder barrel in aqueous solution. This has the effect of increasing the tensile strength of the web, so that the web can be drawn down to a greater degree.

Dans un procédé de reconstitution du tabac par extrusion, un mélange de tabac, de liant et d'eau est extrudé sous forme de parenchyme. L'extrudat est étiré, ce qui diminue l'épaisseur du parenchyme. Une faible proportion du liant, qui peut être de la carboxyméthylcellulose, est introduite dans le fourreau sous forme de solution aqueuse. Cela a pour effet d'augmenter la résistance à la traction du parenchyme, permettant ainsi d'étirer davantage ce dernier.

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