The group of co - extrusion of a strand of pastry of cooked sugar in two colors has two channels of the supply of sugar, converging in the v to a compression head and distribution (10) and an extrusion die (11). The compression head and distribution includes two internal channels of the morphology of a complex whose inputs on the rear face of which are respectively connected to each of the channels for conveying and whose outputs are coplanar in the front face, the output of one of the channels being of circular shape, that of the other channel in a ring surrounding the output of the first. & br / this invention concerns the machines manufacturers of extrusion for food products.
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