Welding device

Details Welding device Welding device

2005-02-08

2005-02-08

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

Rail bond

C104S015000

Reexamination Certificate

active

06852940

ABSTRACT:
A welding device for welding together two rails of a track and producing a welded joint is composed of two halves. An air nozzle and a temperature sensor are mounted on one of the halves. Via a cooling opening of the air nozzle, a glowing-cooled hot welded joint can be cooled in a controlled manner, immediately after a welding bead has been sheared off, by supplying compressed air to the joint. Thus, optimal welding of head-hardened rails can be achieved.

REFERENCES:
patent: 3349216 (1967-10-01), Paton et al.
patent: 6163003 (2000-12-01), Battisti
patent: 0 132 227 (1985-01-01), None
patent: 2 185 703 (1987-07-01), None
Alfred Wöhnhart et al.: “Mobile flash-butt rail welding: three decades of experience”,Rail Engineering International Edition, 2002, No. 3, pp. 11-16.

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