STOPPER CONTROL TYPE DIPPING NOZZLE

PROBLEM TO BE SOLVED: To prevent air from entering from a fitting part and, further, to suppress the occurrence of cracks on the nozzle body accompanying the thermal expansion of the fitting part in a stopper control type dipping nozzle. SOLUTION: A stepped part 17 having an expanded diameter part 1...

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Bibliographic Details
Main Authors SASAKI AKINARI, KAWABE HIDEAKI, MORIKAWA KATSUMI, NUKUSHINA NORIAKI, HIRAIWA YOSHITAKA
Format Patent
LanguageEnglish
Published 07.04.2011
Subjects
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To prevent air from entering from a fitting part and, further, to suppress the occurrence of cracks on the nozzle body accompanying the thermal expansion of the fitting part in a stopper control type dipping nozzle. SOLUTION: A stepped part 17 having an expanded diameter part 17a in the upper part is formed on the side of an inner hole in the upper end part of the nozzle body 11; a fitting ring 13 is arranged in the stepped part 17 and a groove 14 the bottom surface of which is constituted with the fitting ring 13 and the bottom surface of the expanded diameter part 17a is formed. A press block 15 is inserted into the groove 14 so as to stride the bottom surfaces of the fitting ring 13 and the expanded diameter part 17a and to be fixed to the nozzle body 11 by a rising-up preventing means and a shrinkable mortar 18 is filled between the press block 15 and the fitting ring 13 and between the outer peripheral surface of the fitting ring 13 and the stepped part 17. COPYRIGHT: (C)2011,JPO&INPIT
Bibliography:Application Number: JP20090223062