Spray head and extruder with one spray head

摘要

Spray head (1) for an extruder (6) for producing a cross-section of a flat or nearly flat and a contoured side mixture profile (4) from a rubber mixture (8) fed through an extruder channel (7) of the extruder (6), the Spray head (1) has an upper and a lower spray head part (2, 3), which spray head parts (2, 3) enclose a mold gap (9) between them and of which one the flat or almost flat side and the other the contoured side of the The spray head part (2) forming the contoured side of the mixture profile (4) is provided with a plurality of segments (5) which are arranged next to one another and without gaps, each having a mold surface (5a) contacting the rubber mixture, whereby each segment (5) independently of all other segments (5) perpendicular to the flow direction of the rubber mixture (8) entering the spray head (1) Is adjustable and is also adjustable such that the inclination of its shaped surface (5a) in the direction of flow of the supplied rubber mixture (8) is adjustable.