| abstract |
Procedure for extrusion of plastic masses using endless screw elements for screw machines with multiple endless trees with screw trees with the same direction in pairs and that exactly scrape in pairs, with two or more endless screw fillets Z, with separation between axes A and external diameter DE, characterized in that the sum of the crest angles of a pair of elements is greater than 0 and less than and present between the worm elements and the housing and / or between screw elements Endless adjacent gaps in the range of 0.1 to 0.001 with respect to the diameter of the endless screw profile. |