Rebonded fused brick
OwnerDavid J. Michaelinventor
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Abstract
A rebonded, fused brick resulting from burning a mix consisting essentially of a fused magnesite chrome grain, a fused chrome-magnesite grain or mixtures thereof, and a chrome ore having a Cr.sub.2 O.sub.3 /(Al.sub.2 O.sub.3 +Fe.sub.2 O.sub.3) ratio of at least about 1.15, a maximum silica content of about 3.85, and an Fe.sub.2 O.sub.3 content of less than about 25% by weight.
Claims10
A rebonded, fused brick resulting from burning a mix consisting essentially of a fused magnesite-chrome grain, a fused chrome-magnesite grain, or mixtures thereof, and a chrome ore having a Cr.sub.2 O.sub.3 /(Al.sub.2 O.sub.3 +Fe.sub.2 O.sub.3) weight ratio of at least about 1.15, a maximum silica content of about 3.85% by weight and an Fe.sub.2 O.sub.3 content of less than about 25% by weight.
A mix for making a rebonded, fused brick consisting essentially of a fused magnesite-chrome grain, a fused chrome-magnesite grain, or mixtures thereof, and a chrome ore having a Cr.sub.2 O.sub.3 /(Al.sub.2 O.sub.3 Fe.sub.2 O.sub.3) weight ratio of at least about 1.15 a maximum silica content of about 3.85% by weight, and an Fe.sub.2 O.sub.3 content of less than about 25% by weight.
Dependencies are inferred from the claim text.