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1. (WO2017175249) EXTRUSION HEAD FOR MAKING TUBULAR ARTICLES

Pub. No.:    WO/2017/175249    International Application No.:    PCT/IT2016/000085
Publication Date: Fri Oct 13 01:59:59 CEST 2017 International Filing Date: Thu Apr 07 01:59:59 CEST 2016
IPC: B29C 47/22
B29C 47/28
Applicants: GIMAC DI MACCAGNAN GIORGIO
Inventors: MACCAGNAN, Giorgio
MACCAGNAN, Simone
Title: EXTRUSION HEAD FOR MAKING TUBULAR ARTICLES
Abstract:
An extrusion head for making tubular articles comprises an abutment element (2) and a male element (3) associated to the abutment element (2) in correspondence to an outlet opening to define a passage section for an extrusion material; the extrusion head further comprises means for adjusting (4) the position and/or relative orientation between the male element (3) and the abutment element (2) in order to vary the relative juxtaposition conditions at least with respect to an extrusion axis (A) and the adjustment means (4) comprise mating surfaces with complementary concavity and respectively associated with the abutment element and the male element: these mating surfaces with complementary concavity are in mutual proximity condition and/or contact.