B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/58.5
B22D 11/08 (2006.01)
Patent
CA 1104789
ABSTRACT OF THE DISCLOSURE: . 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 bed. 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.
315392
Concast Incorporated
Robic Robic & Associes/associates
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