Refractory composition for the prevention of alumina clogging

United States of America Patent

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May 11, 1999
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N/A
app pub date
Aug 7, 1997
filing date
Aug 7, 1997

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Expired

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Abstract

A molten steel pouring nozzle having a bore therethrough, at least a portion of the nozzle forming the bore being comprised of a refractory having calcium zirconate: from 20 to 75 weight %, graphite: from 5 to 30 weight %, and calcium silicide: from 0.5 to 15 weight %.

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Patent Owner(s)

Patent Owner	Address
NORTH AMERICAN REFRACTORIES CO	500 HALLE BUILDING 1228 EUCLID AVENUE CLEVELAND OH 44115

International Classification(s)

B22D:CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY ....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Perich, Regis M	Boalsburg, PA	4	38
Richter, Tomas	State College, PA	6	66

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Refractory composition for the prevention of alumina clogging

Number of patents in Portfolio can not be more than 2000

United States of America Patent

08907375

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PATENT NO	5902511
SERIAL NO	08907375
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08907375

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