Refractory slide-gate plate

Details Refractory slide-gate plate Refractory slide-gate plate

1993-05-28

1999-09-28

Kastler, Scott

Dispensing

Molten metal dispensing

Flow controllers or assists

222603, B22D 4108

Patent

active

059582790

ABSTRACT:
A refractory slide-gate plate including a refractory base plate which is designed in a ring shape or so as to have a recess portion on a surface thereof, a refractory plate member which is fixedly engaged with the inside of the ring-shaped refractory base plate or with the recess portion of the refractory slide-gate to be integrated with the refractory base plate, and an inert gas supply groove comprising a step portion which is formed in 2 to 20 mm width and in 2 to 20 depth on at least one of the inner peripheral portion of the ring-shaped refractory base plate and the inner peripheral portion of the recess portion. The refractory plate member is preferably formed of Al.sub.2 O.sub.3 --ZrO.sub.2 --C-based refractory material or ZrO.sub.2 -based refractory material.

REFERENCES:
patent: 4179046 (1979-12-01), Jeschke et al.
patent: 4545512 (1985-10-01), Shapland et al.
patent: 4583721 (1986-04-01), Arakawa et al.
patent: 5004131 (1991-04-01), Russo
patent: 5100034 (1992-03-01), Russo

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