Patent ID: 6195874
Filing Date: 2001-03-06
Classification: B21D,Y10T

Abstract:
A machine for forming a heat dissipating fin with an aspect ratio of H/W, comprising:successive first, second and third tools drivably mounted on the machine, each tool with a width substantially equal to W including an upper clamping block and a lower clamping block respectively for fixing a metal strip during formation of the heat dissipating fin, the first and second tools and the second and third tools being spaced from each other a distance substantially equal to H when the machine is at an original position;wherein after a metal strip is fed into the machine and horizontally clamped by the three tools, the second tool moves at an angle toward an upper side of the first tool and the third tool moves horizontally toward the first tool to a position where sections between the first and second tools and between the second and third tools become vertical.