Patent ID: 7300017
Filing Date: 2007-11-27
Classification: B65H

Abstract:
1. A reel for a metal linear material comprising: a winding drum; and flanges made of a steel sheet and fixedly joined at both ends of the winding drum, wherein the flanges each have a hollow ring-shaped flange outer edge reinforcing portion at an outer edge thereof, the hollow ring-shaped flange outer edge reinforcing portion being continuous to a substantially flat inner surface of the flange, wherein the flange outer edge reinforcing portion has a structure which is bent back outward in a reel axial direction at a substantially right angle with respect to the substantially flat inner surface; wherein each flange comprises: a plurality of flange members made of a steel sheet and overlaid together in an axial direction to form a multiplex structure, wherein a first flange member provided at an outer position in the axial direction and a second flange member provided at an inner position in the axial direction are overlaid together at an outer edge portion, and the overlaid outer edge portion is bent back throughout a whole circumference to form the flange outer edge reinforcing portion.