SUBMERGED NOZZLE SUPPORTING-REPLACING MECHANISM, AND LOWER-NOZZLE/DIPPED-NOZZLE SEALING METHOD
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United States of America Patent
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N/A
Issued Date -
Oct 7, 2010
app pub date -
Dec 19, 2008
filing date -
Jan 7, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To alleviate a bending stress to be applied to a lower nozzle, by joining a ring-shaped taper portion of the lower nozzle to a receiving taper portion of a receiving member, to thereby prevent generation of a vertical cracking, and further to improve a sealing property of the lower nozzle and a submerged nozzle with a seal material, provided are a submerged nozzle supporting-replacing mechanism and a lower-nozzle/submerged-nozzle sealing method, in which, when an upper surface of a submerged nozzle (6) is joined through clampers (5) with respect to a lower surface of a lower nozzle (4) supported by a receiving member (3) of a lower frame (2) of a slide valve device (1), a receiving taper portion (3A) of the receiving member (3) is joined to a ring-shaped taper portion (4A) of the lower nozzle (4), to thereby suppress a vertical cracking.
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