Method and apparatus for producing a braided puff extrudate

Details Method and apparatus for producing a braided puff extrudate Method and apparatus for producing a braided puff extrudate

A - Human Necessities

21

D

A21D 6/00 (2006.01) A21C 3/08 (2006.01) A21C 11/16 (2006.01) A23L 1/00 (2006.01) A23L 1/18 (2006.01) A23P 1/00 (2006.01)

Patent

CA 2475087

A process and apparatus for the production of a braid shaped puffed extrudate. A tube (30) or other peripheral containment vessel is placed at the exit end of an extruder die (12) that produces two or more extrudate streams. A circular air stream is then introduced into the peripheral containment vessel downstream of the glass transition point, thereby causing the extrudate streams to braid together within the containment vessel.

Cette invention concerne un procédé et un dispositif permettant de produire un extrudat gonflé en forme de tresse. On place un tube (30) ou autre récipient de contention périphérique sur l'extrémité sortie d'une matrice d'extrusion (12) qui produit deux brins d'extrudat ou plus. On crée ensuite un courant d'air circulaire dans le récipient de contention en aval du point de transition vitreuse, ce qui as pour effet de créer une tresse avec les brins d'extrudat dans le récipient de contention.

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