Surface alloying apparatus including safety circuit

Details Surface alloying apparatus including safety circuit Surface alloying apparatus including safety circuit

1977-11-23

1980-05-27

Reynolds, B. A.

Electric heating

Metal heating

For deposition welding

2191304, 219132, B23K 910

Patent

active

042052114

ABSTRACT:
An improved apparatus for alloying a surface of a workpiece of the type in which an electrode, formed of the alloying material, is connected to a pulse generating machine which creates repetitive spark discharges between the electrode and the workpiece when the electrode is in engagement with the workpiece, the improvement being a safety circuit which prevents energization of the electrode until it is engaged with the workpiece.

REFERENCES:
patent: 2617913 (1952-11-01), Oestreicher
patent: 3277266 (1966-10-01), Blaszkowski
patent: 3277267 (1966-10-01), Blaszkowski
patent: 3415971 (1968-12-01), Shaffer
patent: 3741426 (1973-06-01), Inoue
patent: 3932724 (1976-01-01), Raycher
patent: 4019017 (1977-04-01), Sitek et al.

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