Molten metal pump system

Details Molten metal pump system Molten metal pump system

2005-03-22

2005-03-22

Kastler, Scott (Department: 1742)

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

With means to discharge molten material

C415S200000, C417S360000

Reexamination Certificate

active

06869564

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.

REFERENCES:
patent: 5330328 (1994-07-01), Cooper
patent: 6451247 (2002-09-01), Mordue et al.
patent: 6562286 (2003-05-01), Lehman

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