Exothermic cutting electrode

Details Exothermic cutting electrode Exothermic cutting electrode

1983-04-27

1984-03-20

Stallard, W.

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

266225, B23K 3502

Patent

active

044376499

ABSTRACT:
An exothermic cutting electrode or burning bar having an oxidizable metal fluid conduit (tube) surrounded by a mass of metal similar to that of the fluid tube, the entire structure covered with an outer oxidizable metallic tube and/or an electrically insulating water impervious cover, either end of the electrode being adapted for connection to a source of oxidizing fluid and electric current, so that, an arc can be struck between a workpiece and the free end of the electrode to produce a cutting flame. By proper selection of the type and mass of the materials of construction the electrode will burn after the electric current has been turned off.

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patent: 3260076 (1966-07-01), Humberg
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patent: 3507231 (1970-04-01), Meier
patent: 3570419 (1971-03-01), Brundenberger
patent: 3591758 (1971-07-01), Clucas
patent: 3602620 (1971-08-01), Fassler
patent: 3738288 (1973-06-01), Brandenberger
patent: 4069407 (1978-01-01), Brower
patent: 4182947 (1980-01-01), Brower

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