Patent ID: 6228412
Filing Date: 2001-05-08
Classification: A23G

Abstract:
A process for manufacturing a frozen aerated composition comprising (i) introducing an unfrozen composition suitable for being frozen for preparing a frozen aerated composition into of an extrusion apparatus which consists essentially of a barrel which is cooled and of a single screw which is contained in the barrel and configured for transporting, mixing, shearing and compressing the composition and of a product exit die and rotating the screw for (a) transporting the composition through the apparatus to and then through the exit die and for (b) during transport of the composition through the apparatus, mixing, shearing and compressing the composition and (ii) during the transport of the composition through the apparatus, cooling the composition and injecting air into the composition to obtain, from the exit die, a compressed, aerated, cooled composition which has a temperature of equal to or lower than -8.degree. C.