Sliding Nozzle Apparatus

Abstract: Provided is a sliding nozzle apparatus capable of preventing a slide metal frame from falling when the slide metal frame is opened at a highest position which is a position where the slide metal frame is moved to the uppermost side. A sliding nozzle apparatus S of the present invention comprises a fixed metal frame 1, and a slide metal frame 2 installed so as to be able to be opened and closed, and slide with respect to the fixed metal frame 1. The sliding nozzle apparatus S is placed upright so that a sliding direction of the slide metal frame 2 when opening the slide metal frame 2 is vertical. The fixed metal frame 1 is provided with a fall prevention member 9, and the slide metal frame 2 is provided with a lock member 7. The fall prevention member 9 has a lock surface 91 that locks the lock member 7 when the slide metal frame 2 is opened at the highest position, which is a position where the slide metal frame 2 is moved to the uppermost side, in a state in which the sliding direction of the slide metal frame 2 is set to be vertical.

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