Rotary extrusion head more especially for manufacturing...

Details Rotary extrusion head more especially for manufacturing... Rotary extrusion head more especially for manufacturing...

B - Operations, Transporting

29

C

18/737

B29C 67/20 (2006.01) B29C 47/04 (2006.01) B29C 47/08 (2006.01) B29C 47/24 (2006.01) B29C 47/28 (2006.01) G02B 6/44 (2006.01)

Patent

CA 1259157

ABSTRACT OF THE DISCLOSURE The invention provides a rotary extrusion head comprising a head body having a sole piece and in which are formed a cylindrical through bore and a duct for supplying the material to he extruded, which extends between the sole piece and the cylindrical bore. According to the invention, this extrusion head further comprises a mandrel mounted for rotation in the cylindrical bore, a die holder fixed to a first end of the mandrel and a pinion or a pulley fixed to the second end of the mandrel, the die holder being held against the head body by means immobilizing the mandrel in translation which are mounted on the same side as the second end of the mandrel and which bear on the head body, the mandrel, the die holder and the immobilization means being bored axially.

495725

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