Field welding apparatus for head-hardened rails

Details Field welding apparatus for head-hardened rails Field welding apparatus for head-hardened rails

B - Operations, Transporting

23

K

78/55

B23K 5/00 (2006.01) E01B 11/50 (2006.01)

Patent

CA 1208048

ABSTRACT OF THE DISCLOSURE: A field welding apparatus for head-hardened rails comprises a portable welder for gas pressure welding of rails, a heater for subjecting the railhead of the pressure welded portion of the rails to subsequent heat treatment, a pair of jigs for setting a heat width of the pressure welded portion at the time of the subsequent heat treatment, and an air blowing type cooler for cool- ing the portion which has undergone the subsequent heat treatment.

433665

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