Tokyo Yogyo Kabushiki Kaisha

Tyk Corporation

Tomohiro Yotabun

Tsuyoshi Yoshida

Tsuyoshi Mizuno

Hirokatsu Hattanda

It is an object to form a plate for a sliding nozzle apparatus in a shape for decreasing extreme erosion and extend durability of the plate to enable cost reduction, the sliding-nozzle plate having dimensions (unit length is mm) as indicated in following equations: a dimension from the center position X of the nozzle hole to a closest end of the plate for the sliding nozzle in the longitudinal direction is a sum of a dimension 'b' from the center position X to an ideal circle with the position X as the center and a dimension 'd' from the ideal circle to the closest end in the longitudinal direction, a dimension from the center position X and to a center position Y is a dimension S of the stroke, and a dimension from the center position Y to a closest end of the plate for the sliding nozzle in the longitudinal direction is a dimension &#x201c;c&#x201d;, where b:+30&#x2dc;40, c: 0.75+20&#x2dc;30, d:0.5, S:2+m, and m:15&#x2dc;35.

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Gifu, Japan

Tomohiro Yotabun