Process for welding a railway rail, aluminothermic heating blocks for use in the process, and method of making said aluminothermic heating blocks
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United States of America Patent
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May 16, 1989
Issued Date -
N/A
app pub date -
Jun 18, 1987
filing date -
Jun 18, 1986
priority date (Note) -
Expired
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Abstract
Aluminothermic heating blocks for use in heating metal objects, such as rails, and methods for their manufacture are disclosed. The blocks are made by setting a mass of particulate aluminum, iron oxide, heat absorbing material, alkali metal silicate binder and water.
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