Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – Means for removing surface material – e.g. – scarfing
Reexamination Certificate
2000-03-07
2001-08-21
Kastler, Scott (Department: 1742)
Metallurgical apparatus
Means for cutting solid metal with heat, e.g., blowpipes
Means for removing surface material, e.g., scarfing
C266S077000, C266S048000
Reexamination Certificate
active
06277322
ABSTRACT:
TECHNICAL FIELD
Continuous casting plant for billets, blooms and slabs with a subdividing and deburring plant for safe, maintenance favourable and quick production of shortest and burr free work pieces, arranged directly or later in the production flow.
BACKGROUND OF THE INVENTION
In casting operations for billets, blooms, and slabs, it is known that the workpiece extending from the casting plant must be cut into more manageable workpieces that are of a given length. Among the equipment for cutting the workpieces are oxygen-cutting burners that include oxygen-cutting nozzles. During the cutting operation with an oxygen-cutting burner, a burr typically is formed at the lower end of the workpieces in the vicinity of the cut. Such burrs are preferably removed from the workpieces prior to subsequent handling.
It is also known that the casting operation takes place in a harsh environment having elevated temperatures. It is thus desired to provide a cutting machine for cutting billets, blooms, and slabs that is operable in the typical harsh environment and that may include the capability of removing burrs from cut workpieces.
SUMMARY OF THE INVENTION
In view of the foregoing, an apparatus for cutting and deburring workpieces from a metal strand includes upper and lower tracks, with a frame being mounted on the upper and lower tracks, the lower track being liquid cooled, and with an oxygen-cutting machine being disposed on the frame. The apparatus may further include an upper wheel and a lower wheel that are mounted on the frame and that are rollably disposed against the upper and lower tracks, respectively. The apparatus may still further include a first gas deburring device that is mounted on the frame and a second deburring device that is structured to operatively interact with the workpieces.
An aspect of the machine is to provide an apparatus for the cutting and deburring of workpieces from a metal strand.
Another aspect of the present invention is to provide an apparatus that is suited to the harsh environment of a metal casting operation.
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Agarwal Brij K.
Eckert Seamans Cherin & Mellot LLC
Gega Corporation
Kastler Scott
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