C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
C21D 9/00 (2006.01)
Patent
CA 2060688
ABSTRACT A double C-shaped, resilient, biased clamp for fixing a track rail to a support is manufactured by bending a piece of bar material to a double C-shape. Thereafter the clamp is hardened and heat treated. Prior to bending heating takes place at approximately 1200°C and finishing takes place directly thereafter by a starting temperature of 900 - 1000°C. By this a spring of smaller dimensions is obtained. However, with almost the same properties as the clamps as produced previously.
Fetherstonhaugh & Co.
Pandrol Limited
LandOfFree
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