Elastic inner-expansion tube expander

The utility model discloses an elastic inner-expansion tube expander, which comprises a spindle.The spindle is a cylinder equipped with steps and is equipped with an inlet port.The inlet port communicates with a radial oil outlet opening.The outer circle of the spindle is matched with a sealing ring...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEI ANJIA, SHEN GANRONG, YANG WEIFANG, FU RUNIAN, XU ZHIRU, SHEN YANG, SHEN BAIFANG, GU SUMIN
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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