B - Operations – Transporting – 21 – F
Patent
B - Operations, Transporting
21
F
140/17
B21F 25/00 (2006.01) B21D 28/04 (2006.01) B21D 35/00 (2006.01) B21D 53/00 (2006.01)
Patent
CA 1061683
ABSTRACT OF THE DISCLOSURE A machine having blanking, barb forming and bending stations is provided for making a coil of metal tape from a substantially planar linear strip of metal stock wherein such strip is fed in sequence to the sta- tions in a single pass through the machine to respectively edge notch the strip into barbs, upset the barbs into in- clined relation to the plane of the strip and then edge bend the strip in the plane of the strip to form it into identically angularly displaced adjoining linear segments of equal length to make a generally annular coil of barbed metal tape.
276656
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