Method for determining reuse or disposal of a refractory...

Details Method for determining reuse or disposal of a refractory... Method for determining reuse or disposal of a refractory...

2004-07-20

2009-02-10

Kerns, Kevin P (Department: 1793)

Metal founding

Process

With measuring, testing, inspecting, or condition determination

C164S488000, C164S437000, C164S337000, C222S594000

Reexamination Certificate

active

07487820

ABSTRACT:
A method for deciding objectively whether a refractory plate of a slide gate valve used to control the flow of a molten metal during the pouring of the metal from an upper vessel to a lower vessel can be reused or should be discarded. Values of parameters measured during pouring or proper to the plate are determined during successive uses of the plate. The values are compared to threshold values to reach a decision. Also, a device for making decisions according to this method.

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patent: 817692 (1998-01-01), None
patent: 2003181625 (2003-07-01), None
patent: WO 97/15410 (1997-05-01), None

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