Cutting refractory material
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United States of America Patent
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Oct 5, 1999
Grant Date -
N/A
app pub date -
Dec 29, 1997
filing date -
Jun 28, 1995
priority date (Note) -
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Abstract
A method and powder mixture are described for cutting a refractory body. The powder mixture comprises refractory metal oxide particles and fuel particles which burn exothermically by combining with oxygen to form a refractory oxide. The mixture is characterised in that the refractory metal oxide of the powder mixture comprises calcium oxide and/or magnesium oxide. The powder mixture enables refractory bodies to be cut more effectively than hitherto.
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