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US 5,294,766 AGranted
Structure for high-temperature mill rolling of compounds
OwnerGregory R. Brotzinventor
Life of this patent
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Abstract
A mill roll having a pair of thick-walled refractory rollers, some having chambers therein the rollers to be heated to incandescent temperatures is disclosed.
Claims4
A mill roll comprising:
- a pair of rollers made of refractory ceramic material, said rollers having walls having a thickness;
- a hollow chamber defined in at least one of said rollers, said walls being in the range of wall thickness:
- diameter of said hollow chamber in the range of 1:0.5 to 1:0.75;
- and
- means to heat said rollers to incandescent temperatures of at least 1200 degrees C.
2 more elements
Dependencies are inferred from the claim text.