Crucible cover for aluminothermic reaction
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United States of America Patent
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May 18, 2010
Issued Date -
N/A
app pub date -
Aug 12, 2003
filing date -
Aug 14, 2002
priority date (Note) -
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Abstract
A cover for closing a top opening of a thermite reaction chamber of a crucible is substantially continuous and is secured to an annular filter lining via a bottom peripheral edge for making contact on a top peripheral edge of the crucible. The filter lining is substantially continuous and is suitable for constituting a substantially continuous contact medium between the bottom edge and top edge. The cover is applicable, for example, to thermite welding, e.g., for use in tunnels or underground.
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