Manufacture of foamed tobacco-containing articles by extrusion

Details Manufacture of foamed tobacco-containing articles by extrusion Manufacture of foamed tobacco-containing articles by extrusion

A - Human Necessities

24

B

131/101

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

Patent

CA 1255568

- 18 - A B S T R A C T MANUFACTURE OF FOAMED TOBACCO-CONTAINING ARTICLES BY EXTRUSION A wet blend containing tobacco particles and a binder is extruded under conditions such that steam is generated within the material upon extrusion and effects foaming. To minimize the amount of water used, which may subsequently have to be dried off, the binder is pre-hydrated by mixing with water before being mixed with the tobacco particles. To improve the consistency of the hydrated binder a small proportion of tobacco particles can be mixed with the binder before hydration or part of the binder can be mixed dry with the tobacco particles, leaving an excess of water for admixture with the rest of the binder.

506594

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