Process for moulding a thermoplastic material by injection onto a rotating core

Process for moulding a thermoplastic material by injection onto a rotating core

Process for the manufacture of an article based on thermoplastic material by injection onto a rotating core, which is characterized in that the core does not exhibit a symmetry of revolution. At least a part of the core preferably has a polygonal cross-section. This process makes it possible in part...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CLAUDE DEHENNAU, VITO LEO, CHARLES CUVELLIEZ
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:Process for the manufacture of an article based on thermoplastic material by injection onto a rotating core, which is characterized in that the core does not exhibit a symmetry of revolution. At least a part of the core preferably has a polygonal cross-section. This process makes it possible in particular to produce transmission shafts comprising at their end a coaxial cavity of section with is other than circular.