Refractory article for molten metal handling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 4, 2001
app pub date -
Dec 5, 2000
filing date -
Dec 6, 1999
priority date (Note) -
Abandoned
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Abstract
An article suitable for contact with molten metal, comprising at least one wall formed from refractory material, the wall including a region having a thermal conductivity which is lower than that of the refractory material. The lower thermal conductivity region of the wall of the article may be an air-filled cavity in the wall, and the article may be a feeder sleeve.
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