Gas feed pipe connecting screw for continuous casting nozzle

Details Gas feed pipe connecting screw for continuous casting nozzle Gas feed pipe connecting screw for continuous casting nozzle

2007-06-26

2007-06-26

Hewitt, James M. (Department: 3679)

Pipe joints or couplings

Pipe to discreet nipple or sleeve to plate

Nipple sealed to plate

C285S143100, C285S212000, C285S357000, C285S915000

Reexamination Certificate

active

10911439

ABSTRACT:
A gas feed pipe connecting screw for a continuous casting nozzle which is mounted to the continuous casting nozzle formed with an axially extending ring-shaped slit concentric with a nozzle bore. The screw connects the nozzle to a gas feed pipe for blowing a gas into the slit. The screw includes a screw body having a gas feed hole formed through 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 refractory mortar filling the mounting hole.

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