Method and apparatus for conduit extrusion

Details Method and apparatus for conduit extrusion Method and apparatus for conduit extrusion

B - Operations, Transporting

29

C

B29C 47/24 (2006.01) B29C 47/06 (2006.01) B29C 47/08 (2006.01)

Patent

CA 2265279

An extrusion assembly includes a stationary housing section, and an outer die and mandrel for defining an annular passageway centered about an axis The outer die and mandrel are held stationary against rotational motion about the axis. A rotor is rotationally supported within the housing, for rotational motion about the axis. The rotor includes a melt channel for rotationally conveying an extrusion to the annular passageway, so as to form a helically-wound conduit that advances linearly through the annular passageway.

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