Concast Incorporated

Concast Incorporated New York

Wolfgang W John

Hans Streubel

Herbert Fastert

Karl L Backhaus

Karl Backhaus

A continuous casting installation has a generally vertical open-ended mold supported on a casting platform, a flexible dummy bar for sealing the lower end of the mold prior to the start of a cast, a curved guide below the casting platform for the strand formed in the mold and a mechanism for handling the dummy bar. This mechanism includes a carriage which is provided with a semi-circular, downwardly concave roller bed having a length at least equal to that of the dummy bar. The carriage is located on the casting platform and is movable between the mold and a location above that at which the dummy bar emerges from the strand guide. A rotatably driven, telescopic arm on the carriage pivots on the axis of the semi-circular roller bed. The arm is capable of engaging the dummy bar. In operation, the carriage is positioned above the location at which the dummy bar emerges from the strand guide. The leading end of the dummy bar is engaged by a hoist as it emerges from the strand guide and is lifted to the level of the casting platform. The arm on the carriage is extended and engages the leading end of the dummy bar. Thereafter, the arm is rotated thereby pulling the entire dummy bar onto the semi-circular roller fed. The dummy bar is then clamped on the roller bed and the arm is disconnected from the leading end of the dummy bar and rotated back to engage the trailing end of the dummy bar. The carriage is moved to a position adjacent the mold. Subsequently, the clamping force on the dummy bar is released and the arm is rotated towards the mold thereby lowering the dummy bar into the strand guide via the top of the mold and positioning the dummy bar to seal the lower end of the mold in readiness for another cast.

Dummy bar handling apparatus and method

A roll segment for supporting and guiding continuously cast metal strands fed therethrough, said segment comprising opposing rolls for contacting the opposite sides of a continuously cast metal strand cast through a mold and passed from said mold between said rolls. First support means for supporting the roll in contact with one of said opposite sides of said strand, second support means for supporting the roll in contact with the other of said opposite sides of said strand. Linkage means at the opposite ends of said rolls interconnect said first and second support means and maintain said rolls in substantially parallel alignment at the opposite sides of said strand. The linkage means each include a first linkage member pivotally connected at one of its ends to one of said support means, a second linkage member pivotally connected at one of its ends to the other of said support means and pivotally connected at its opposite end to said first linkage member and means interconnecting the linkage means at one end of said rolls with the linkage means at the other end of said rolls for applying a restraining force to said linkage means, said support means and said rolls for permitting restricted, limited movement of said rolls away from each other when force in excess of said restraining force is applied to said rolls by a continuously cast strand passing therebetween.

Guiding and supporting means for continuously cast metal strand

In a continuous casting plant having a ladle shop and a separate casting shop, each served by a separate traveling crane, means for supporting one or more ladles are located in the ladle shop and means for supporting one or more molds are located in the casting shop. A tundish is positioned to extend across the space between the two shops with one end of the tundish located below a ladle to receive molten metal therefrom, and with the other end located above the mold to discharge molten metal into the mold. One or more tundishes are mounted on pivoted carriers on which the tundishes may be moved selectively from casting position to a position in the casting shop where they may be removed from the carriers for repair and reconditioning, and on which tundishes may be moved to preheating and prefill positions.

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New York, NY, United States of America

Wolfgang W John