C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
38/4, 38/7
C21D 11/00 (2006.01) C21D 8/02 (2006.01) C21D 9/56 (2006.01)
Patent
CA 2030453
Strip elongation in a continuous annealing furnace is controlled by passing the strip around a first driven roll, thence through a portion of the furnace, thence around a second driven roll, wherein the amount by which the peripheral speed of the second roll exceeds the peripheral speed of the first roll is controlled in order to control strip elongation. Means are provided for sensing actual strip elongation, thus eliminating the need to measure the strip load.
Cook Eugene A.
Mieloo Robert J.
Sim & Mcburney
Stelco Inc.
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