B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
B21C 23/12 (2006.01)
Patent
CA 2459066
The invention relates to a method for extruding curved extrusion products (7a, 7b), whereby the extruded profile is formed in a die that is located upstream of a crosshead (4) of an extrusion installation (1) and is subsequently curved or bent by the action of external forces. The extruded strand (7a, 7b) is taken up at the press outlet by a bearing surface (10) that supports the underside of the strand. Once a partial length of strand has been separated, said length is moved (10) from the press flow and is transported away by the bearing surface, whereby the provision of a supporting surface for the subsequent strand is simultaneously maintained during said transportation by the bearing surface (10). To achieve this, a platform (10) that is located in the press outlet (5), that supports the extruded strand and that can be raised and lowered is divided into functional fields (A, B). The rear functional field (B), which adjoins the front functional field (A) closest to the machine, can be temporarily pivoted into an inclined position in relation to the base.
L'invention concerne un procédé d'extrusion de produits d'extrusion courbés (7a, 7b) consistant à former le profilé d'extrusion dans une matrice placée en amont d'une tête d'équerre (4) d'un dispositif d'extrusion, et à courber ou plier ledit profilé d'extrusion par application de forces extérieures. Selon l'invention, la barre extrudée (7a, 7b) est reçue à la sortie de l'extrudeuse par un support (10) supportant le côté inférieur de la barre, une section de la barre est séparée, et celle-ci est transportée en dehors du flux d'extrusion par le support (10), une surface d'appui destinée à la barre suivante étant conservée lors du transport par le support (10). A cet effet, un plateau (10) pouvant être relevé et abaissé, logé à la sortie de l'extrudeuse et supportant la barre extrudée, peut être divisé en champs fonctionnels (A, B) dont le champ fonctionnel arrière (B) consécutif au champ fonctionnel avant (A) côté machine, peut être amené temporairement en position inclinée par rapport à la base.
Camp James R.
Jakoby Nikolaus
Muschalik Uwe
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Sms Eumuco Gmbh
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