Molten metal pump system
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United States of America Patent
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Mar 22, 2005
Grant Date -
Apr 29, 2004
app pub date -
Oct 29, 2002
filing date -
Oct 29, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A molten metal pump system which generally provides a refractory connection joint for connecting a refractory pump post to a pump base, the pump post including a refractory post with a first end, the first end including an internal joint peg aperture; a refractory base with a post aperture configured to receive the first end of the refractory post, and with a peg aperture contiguous with the post aperture; and a joint peg with a first end and a second end, the joint peg including a retention shoulder, the joint peg configured to insert through the peg aperture in the refractory base with a retention bar or bolt inserted through an aperture in the joint peg of refractory post, and the retention shoulder engaging the refractory base.
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