TUNDISH NOZZLE STRUCTURE

TUNDISH NOZZLE STRUCTURE

PROBLEM TO BE SOLVED: To reduce insertion of a metal and to secure gas supply into nozzles by covering the upper part of the nozzles with an annular collar of a ring refractory and providing a dense material to the nozzles. SOLUTION: In the tundish nozzle structure, the annular collar (7A) of the ri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: TSUDA MASAHITO
Format: Patent
Sprache:eng
Schlagworte:
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To reduce insertion of a metal and to secure gas supply into nozzles by covering the upper part of the nozzles with an annular collar of a ring refractory and providing a dense material to the nozzles. SOLUTION: In the tundish nozzle structure, the annular collar (7A) of the ring refractory (7) covers the upper part of the nozzles (5) having the nozzles (5) being constituted of a porous part (5A) and the dense material (5B), thereby suppressing the insertion of a metal and securing the gas supply into the nozzles. COPYRIGHT: (C)2003,JPO