B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
148/31, 164/31
B21C 37/04 (2006.01) B21B 1/08 (2006.01) B23D 31/00 (2006.01) C21D 8/06 (2006.01) C21D 9/52 (2006.01)
Patent
CA 1061690
METHOD FOR PRODUCING STEEL FILAMENTS ABSTRACT OF THE DISCLOSURE A method for producing steel filaments having a heat treated microstructure is disclosed. The method comprises the steps of providing a steel coil having a carbon content from about .30 to about .95, percent by weight, scoring the surface of the steel to form a plurality of grooves that delineate continuous longitudinal segments, heat treating the steel to develop an appropriate metallurgical structure, separating the segments into individual filaments by caus- ing the steel to fracture at the grooves, and then passing the filaments through a mechanical straightener.
265582
Golland David I.
Kozak Milan F.
Runkle Charles J.
Schey John A.
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