B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
B21C 1/16 (2006.01) B21C 3/14 (2006.01) C21D 9/52 (2006.01) C21D 9/567 (2006.01) C21D 1/34 (2006.01) C21D 9/573 (2006.01) C21D 9/64 (2006.01)
Patent
CA 2316669
In a method for producing fine wire, especially card wire, in which an optionally already treated, especially drawn, wire blank is transformed into a drawable state by a heat treatment process, is subsequently drawn, and then hardened and tempered for obtaining predetermined mechanical properties, a further development is suggested according to which, for hardening and tempering, the drawn wire passes through at least one furnace and/or cooling device previously already used for performing the heat treatment process.
Graf + Cie Ag
Marks & Clerk
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