Molten metal impeller
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United States of America Patent
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Oct 4, 2016
Grant Date -
Aug 29, 2013
app pub date -
Feb 21, 2013
filing date -
Jul 2, 2010
priority date (Note) -
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Abstract
According to another embodiment, a molten metal impeller comprised of a generally cylindrical body including a plurality of passages extending from a top surface to a side wall and a cap member secured to a top surface of the body. The cap member is shaped cooperatively to overlay the cylindrical body. The cap member includes a first side seated on the top surface and a second opposed side. The top surface includes one of a notch or a protrusion and the first side of the cap member includes one of a notch or a protrusion oriented to mate with the notch or protrusion of the body.
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