Induction heating of rail welds
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United States of America Patent
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Aug 7, 2007
Issued Date -
N/A
app pub date -
Jun 4, 2001
filing date -
Jun 2, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus (10) and method for preheating welds uses a centered induction plate (12) having preferably a plurality of induction coils (30, 32) to impart the generation of heat in the materials to be welded (14), being interactively controlled by at least a temperature sensor (90, 92) and power supply control loop (16) so that even preheating can be obtained for a selected length of time given the parameters of the weld desired.
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