Method of Manufacturing a Ring Mechanism

A method of manufacturing a ring mechanism for retaining loose leaf pages includes forming a generally planar frame element blank having ears with openings. The ears project from the blank and lie generally in the plane of the blank. The ears are bent so that the ears lie substantially in a plane fo...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	CHENG HUNG Y
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF METAL WIRE
Online-Zugang:	Volltext bestellen
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