Casting mold for aluminothermically welding rails together
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United States of America Patent
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Jan 27, 1981
Issued Date -
N/A
app pub date -
Aug 17, 1979
filing date -
Aug 31, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a prefabricated casting mold for aluminothermically welding rail ends spaced apart by a gap while simultaneously welding shut a fishplate hole in the region of each rail end, comprising two mold halves which, when assembled, form a cavity adapted to enclose the rail ends and being so widened in the region of the rail web and in the longitudinal direction of the rails that the two fishplate holes are located within the cavity, a pair of riser channels in each mold half, at least one of the riser channels in each half issuing centrally into the rail base region of the casting mold cavity and having at least one means of communication with the casting mold cavity in the rail web region, and the other of the riser channels in each mold half communicating with the casting mold cavity in the vicinity of a fishplate hole.
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