Repairing refractory linings of vessels used to smelt or refine copper or nickel
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United States of America Patent
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Jan 1, 1991
Issued Date -
N/A
app pub date -
Feb 10, 1989
filing date -
Oct 11, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of increasing the life of tuyere area refractories through repeated application of coherent refractory mass formed by ceramic welding process onto worn area after installing protective removable, expendable or reuseable pipes/rods. Consecutive use of this process can effectively suspend or reduce or control the wear of the original refractories.
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