Metal treatment – Compositions – Heat treating
Patent
1978-07-12
1980-07-29
Rutledge, L. Dewayne
Metal treatment
Compositions
Heat treating
83713, 148 9R, 148153, 266 48, 266 77, 271275, B23K 700
Patent
active
042149223
ABSTRACT:
An installation (10) for handling a workpiece W.sub.1 including a first station (12) for loading a workpiece, a second station (14) for working on the workpiece, a third station (16) for unloading the workpiece, and a conveyor (18), extending in a closed loop about the first and second stations, for transporting the workpiece from the first to the second station. The conveyor is a track of the type used on earthmoving equipment such as tractors, and whose tension is adjustable by a hydraulic cylinder arrangement (26-32) to lower part of the conveyor into a water tank (50) at the second station for plasma-arc cutting the workpiece. The third station is adjacent the second station and has two additional conveyors (66, 68) for receiving a cut workpiece, depending on the size of such cut workpiece. A cleaning apparatus (60-64) supplies jets of water onto the closed loop conveyor to clean the latter of slag.
REFERENCES:
patent: 3599946 (1971-08-01), Westeren et al.
patent: 3645805 (1972-02-01), Hoffmann et al.
patent: 3720544 (1973-03-01), Entringer
patent: 3743259 (1973-07-01), Hennelly
patent: 3744776 (1973-07-01), Nyberg
patent: 3788618 (1974-01-01), van den Bulcke
Ritchie Timothy J.
White Ralph E.
Caterpillar Tractor Co.
Rutledge L. Dewayne
Sheehan John P.
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