Method of field welding head-hardened rails

Details Method of field welding head-hardened rails Method of field welding head-hardened rails

1985-02-19

1985-12-03

Ramsey, Kenneth J.

Metal fusion bonding

Process

With subsequent treating other than heating of bonded parts...

228222, 228242, E01B 1150, B23K 1104

Patent

active

045561648

ABSTRACT:
A method of field welding head-hardened rails which includes the steps of gas pressure welding the rails, shearing off excess metal therefrom at the welded portion with a portable welder device, subjecting the railhead of the pressure welded portion of the rails to a subsequent heat treatment with a gas heater device, setting a width of the pressure welded portion to be heated at the time of the subsequent heat treatment with a pair of jigs, and cooling the portion which has undergone the subsequent heat treatment with an air blowing type cooler.

REFERENCES:
patent: 3138858 (1964-06-01), Bennewitz
patent: 3184839 (1965-05-01), Gerlach
patent: 3451470 (1969-06-01), Herrick
patent: 3456333 (1969-07-01), Meier et al.
patent: 3595463 (1971-07-01), Fadieu et al.
patent: 4272664 (1981-06-01), Theurer

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