B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/20 (2006.01) A21C 11/16 (2006.01) A23L 1/00 (2006.01) A23L 1/18 (2006.01) A23P 1/12 (2006.01) B29C 47/00 (2006.01) B29C 47/12 (2006.01)
Patent
CA 2457795
A process and apparatus for the production of a spiral or coil shaped puffed extrudate (20). A tube or other peripheral containment vessel (30) is placed at the exit end of an extruder die. A force or resistance is then applied on the extrudate downstream of the glass transition point, thereby causing the extrudate (20) to back up and coil in the containment vessel (30).
La présente invention concerne un procédé et un appareil qui permettent de produire un mélange extrudé (20) soufflé en forme de spirale ou de serpentin. Dans l'invention, un tube ou un autre contenant (30) périphérique est placé à l'extrémité de sortie d'une filière d'extrusion; une force ou une résistance est ensuite appliquée sur le produit extrudé en aval du point de transition vitreuse, ceci provoquant le repliement et l'enroulement en spirale du produit extrudé dans le contenant (30).
Bennett Jones Llp
Frito-Lay North America Inc.
LandOfFree
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