DEVICE FOR EXTRUDING THERMOPLASTIC PLASTICS.

摘要

1. A device for extruding thermoplastics, the plastics melt being conveyed by conveying means through an extrusion die (1), the walls of whose outlet gap (6) are provided with recesses arranged one after the other in the direction of extrusion, wherein the smallest width (L1) of the gap between the recesses (7, 8) in the walls is 0.3 mm, and the ratio of the largest gap width (L2) to the smallest gap width (L1) L2/L1 is = 1.5.