Cooling device of 3D printer

The invention discloses a cooling device of a 3D printer. The device comprises an annular member; and the annular member includes an annular upper part and an annular lower part. A hollow annular cavity is arranged in the annular upper part; annular side wall of the annular upper part is symmetrical...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ZUO QICHANG
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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