B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/50 (2006.01)
Patent
CA 2449342
Disclosed is an injection moulding machine and a method for operating an injection moulding machine for processing thermoplastic synthetic melts, comprising an injection unit (1) and a casting mould wherein the injection unit (1) is provided with a worm (4) which can move in a tubular cylinder (5) with the aid of guiding means and which can be controlled with respect to the start and end/stop position inside the tubular cylinder. When the worm (4) is in an end/stop position, it leaves open an enlarged remaining volume inside the tubular cylinder (5), which is filled with melt.
L'invention concerne une machine de moulage par injection et un procédé de moulage par injection destinés au traitement de fusions de plastiques thermoplastiques. La machine selon l'invention comporte une unité d'injection (1) et un moule, ladite unité d'injection (1) présentant une vis (4) pouvant être déplacée dans le cylindre tubulaire (5) par l'intermédiaire d'organes de guidage. Selon l'invention, la vis peut être commandée en ce qui concerne sa position d'arrêt initiale et terminale dans le cylindre tubulaire (5), ladite vis (4) libérant dans sa position d'arrêt terminale un volume résiduel supérieur rempli de fusion dans le cylindre tubulaire (5).
Kaminski Axel
Schurmann Klaus
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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