MANUFACTURING DEVICE OF A PIPE HAVING A GROOVE INSIDE

The dies comprises, first and second outer rings (23)(24) screwed mutually between front and rear covers (21)(22) connected serially to a hollow axle (32) of a motor (31); planetary balls (26) supported by a retainer (27) and a support ring (28), and being free from rotation and revolution at the in...

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Bibliographische Detailangaben
1. Verfasser:	CHOE, HAN - YONG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The dies comprises, first and second outer rings (23)(24) screwed mutually between front and rear covers (21)(22) connected serially to a hollow axle (32) of a motor (31); planetary balls (26) supported by a retainer (27) and a support ring (28), and being free from rotation and revolution at the inside of the first outer ring (23); and ball bearing (29) positioned to the inside of the second outer ring (24) and allowing the support ring (28) to be rotated.