Pipe extrusion variable-wall die and replacement and installation method

The invention discloses a pipe extrusion wall-changing die which comprises a core rod and a mouth die, a forming cavity is formed between the core rod and the mouth die, the mouth die comprises a mouth die base and a mouth die wall-changing piece, the core rod comprises a core rod base and a core ro...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN YONG, KOU GUANXIANG, HE ZHENG, XIANG ZIAN, ZENG ZE, XU MIN, HUANG HONGYAN, XU CHANGCHENG
Format:	Patent
Sprache:	chi ; 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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