method of manufacturing hollow article having constant thickness by blow molding manufacturing apparatus and hollow article

According to an embodiment of the present invention, provided is a hollow article manufacturing method. An extrudate containing a hollow portion is extruded by extrusion molding, and the extrudate is supported by guide ribs so as to be located at the center of the inside of a mold and is seated in t...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	CHOI, YOUNG KEE
Format:	Patent
Sprache:	eng ; kor
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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