B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/12 (2006.01) B22D 11/117 (2006.01) B22D 41/58 (2006.01)
Patent
CA 2475483
A gas feed pipe connecting screw for a continuous casting nozzle is disclosed. The screw is mounted to the continuous casting nozzle formed with an axially extending ring-shaped slit substantially concentric with a nozzle bore. The screw connects to the nozzle a gas feed pipe blowing a gas into the slit. The screw includes a screw body having a gas feed hole formed through substantially its central portion, a flange fitted into a mounting hole formed in a side wall of the continuous casting nozzle, a male thread engaging a first female thread formed in the mounting hole, and a second female thread formed in the gas feed hole for connection of the gas feed pipe. The flange has a detent corner engaging mortar filling the mounting hole after having been fitted into the mounting hole.
L'invention concerne une vis d'assemblage de tube d'alimentation de gaz pour buse de coulée en continu. La vis est montée sur la buse de coulée continue formée avec une fente en forme d'anneau s'étendant axialement et sensiblement concentrique avec un alésage de buse. La vis relie à la buse un tuyau d'alimentation en gaz qui souffle un gaz dans la fente. La vis comprend un corps de vis ayant un orifice d'alimentation en gaz formé sensiblement à travers sa partie centrale, une bride fixée à un trou de montage formé dans une paroi latérale de la buse de coulée continue, un filetage mâle à mettre en prise avec un premier filetage femelle formé dans le trou de montage, et un deuxième filetage femelle formé dans l'orifice d'alimentation en gaz pour assurer la connexion du tuyau d'alimentation en gaz. La bride comporte un coin de cran qui entre en prise avec le mortier qui remplit le trou de montage après avoir été inséré dans le trou de montage.
Naito Syojiro
Uchida Kazuhide
Akechi Ceramics Kabushiki Kaisha
Mcfadden Fincham
LandOfFree
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