GAS ASSISTED CO-EXTRUSION APPARATUS AND PROCESS FOR FORMING FOODS

A gas assisted co-extrusion apparatus (20) includes a co-extrusion die (22) in communication with an extruder (24). A nozzle (56) that is defined by a bore (58) in the co-extrusion die extends about a nozzle axis (AN) to a nozzle exit (60) of the co-extrusion die. An injector (50) extends through th...

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Bibliographische Detailangaben
Hauptverfasser:	GIMMLER, NORBERT, ALMEIDA DOMINGUEZ, HELBERT DAVID, ENGLE, TERRY, BERNATH, CHARLES, SMITH, CHARLES A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BAKING EDIBLE DOUGHS FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HANDLING BAKED ARTICLES MADE FROM DOUGH HUMAN NECESSITIES MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY ASINGLE OTHER SUBCLASS THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Beschreibung
Zusammenfassung:	A gas assisted co-extrusion apparatus (20) includes a co-extrusion die (22) in communication with an extruder (24). A nozzle (56) that is defined by a bore (58) in the co-extrusion die extends about a nozzle axis (AN) to a nozzle exit (60) of the co-extrusion die. An injector (50) extends through the bore of the co-extrusion die along the nozzle axis. The injector and nozzle together form a dough (26) into a rope (30) that is tubular with a wall portion (32) and an inner cavity (34) surrounded by the wall portion as the dough is extruded out of the nozzle exit and about the injector. A compressed gas source (62) provides a compressed gas out of an injector outlet (66) and into the inner cavity of the rope to radially stretch the wall portion of the rope. A delivery system (86) delivers an entrainable material to the compressed gas in a pipe (78) connected to an injector inlet.