STOPPER FOR CONTINUOUS CASTING
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United States of America Patent
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Issued Date -
Aug 15, 2024
app pub date -
May 31, 2022
filing date -
Jun 10, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A stopper for continuous casting that is intended to prevent adhesion of inclusions to the vicinity of a fitting part of a stopper, and to prevent a nose region of the stopper from cracking or peeling off due to insufficient strength. The stopper for continuous casting includes a gas flow cavity in a vertically-extending central part thereof. In at least part of a vertical section of a nose periphery region of the stopper, a porous refractory material having a gas permeability is arranged on the side of an outer peripheral surface of the nose periphery region. A refractory material having higher strength than that of the porous refractory material is arranged on the side of an inner peripheral surface of the nose periphery region.
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