Apparatus for electric resistance heating and cooling tubular wo

Electric heating – Metal heating – Of cylinders

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Details

219 611, 219156, 219160, B23K 3704, C21D 908

Patent

active

043261167

ABSTRACT:
An apparatus comprising a case with a carriage mounted on horizontal guides thereof which carriage supports two brackets provided with contact clamps. Under the brackets there is mounted a bath containing a cooling medium. At least one of the brackets is movable and is resiliently pressed in the direction opposite to the second bracket. A rod of a power cylinder is in contact with the movable bracket which rod serves only to put the brackets closer. The contact clamps are provided with mandrels to be inserted into a tubular workpiece.

REFERENCES:
patent: 2931892 (1960-04-01), Stich et al.
patent: 3418447 (1968-02-01), Rizzolo et al.
patent: 3644695 (1972-02-01), Shuey, Jr. et al.
patent: 3705973 (1972-12-01), Balzer et al.
patent: 3743778 (1973-07-01), Day

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