Molten metal shaft and impeller bearing assembly
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United States of America Patent
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Jun 26, 2001
Grant Date -
N/A
app pub date -
May 22, 1996
filing date -
May 22, 1996
priority date (Note) -
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Abstract
A molten metal impeller having a base portion including a circumferential notch. The notch having a generally radial wall and a generally axial wall, at least one of the radial or axial walls including a plurality of grooves. A ceramic bearing ring is cemented into the notch.
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