Method of cast-welding between finely pearlitized rails

Details Method of cast-welding between finely pearlitized rails Method of cast-welding between finely pearlitized rails

1991-02-06

1992-01-07

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164108, 164125, 164126, B22D 1904, B23K 2300

Patent

active

050782002

ABSTRACT:
Aluminothermically produced steel is poured into a casting mold which surrounds the two rail ends. A cooling agent is applied to the surfaces of the rail heads of the rail portions adjacent the two casting mold halves. The cooling agent is applied after the molten steel has been poured into the casting mold until the steel has solidified. The cooling agent may be applied until the projecting material and the casting mold halves has been sheared off. A casting mold for carrying out the method includes two casting mold halves which each has a groove for receiving a sealing paste in the inner surfaces thereof facing the rail ends, wherein the groove extends along the outer contour of the casting mold halves.

REFERENCES:
patent: 2150045 (1939-03-01), Ahlert
patent: 3189959 (1965-06-01), Ahlert et al.
patent: 3942579 (1976-03-01), Guntermann
patent: 4247074 (1981-01-01), Stratmann et al.
patent: 4724890 (1988-02-01), Moser et al.

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