Screw elements with reduced energy input during pressure...

B - Operations – Transporting – 29 – C

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Details

B29C 47/40 (2006.01) B29B 7/48 (2006.01) B29C 47/64 (2006.01)

Patent

CA 2728442

The present invention relates to screw elements with novel, tightly intermeshing, self-cleaning, co-rotating screw profiles for multiscrew extruders with pairs of co-rotating and fully wiping screws, to the use of these screw elements in multiscrew extruders and to a method of generating these screw elements.

L'invention concerne des éléments de vis sans fin dotés de profils innovants, co-rotatifs, autonettoyants, s'engrenant étroitement, pour des extrudeuses multivis équipées d'arbres à vis tournant dans le même sens par paires, et en contact frictionnel précis par paires, l'utilisation desdits éléments de vis sans fin dans des extrudeuses multivis, ainsi qu'un procédé pour réaliser lesdits éléments de vis sans fin.

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