DE3049725

Apparatus for making a rigid container by injection molding a parison having plural layers of polymers including interior and outer layers in an injection mold (20) having a core pin (10A, 10B). A blow mold (30A, 30B) is used to blow the parison to the final shape of the container. Control devices (...

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Bibliographische Detailangaben
1. Verfasser:	MCHENRY, ROBERT J., ST. CHARLES, ILL., US
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 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:	Apparatus for making a rigid container by injection molding a parison having plural layers of polymers including interior and outer layers in an injection mold (20) having a core pin (10A, 10B). A blow mold (30A, 30B) is used to blow the parison to the final shape of the container. Control devices (100, 110, 115, 120) exercise control over each of the plural plasticators (82A, 82B, 82C) and rams (70A, 70B, 70C) for the plural polymers so as to produce uninterrupted layers extending throughout the walls of the parison and to insure that the interior layers are completely encapsulated within the outer layers.