Electric heating – Metal heating – Cutting or disintegrating
Patent
1978-10-06
1981-01-06
Shaw, C. C.
Electric heating
Metal heating
Cutting or disintegrating
20412946, 204212, 219 69E, 219 69V, B23P 110
Patent
active
042438624
ABSTRACT:
Arc cutting device with a revolving electrode forming an intermittent arc includes a revolving narrow disc having a peripheral edge, part of which is electrically alive for forming the arc, and part of which is electrically dead for mechanically carrying away material that is to be removed from a cutting groove formed in a workpiece being cut by the arc.
REFERENCES:
patent: 1701919 (1929-02-01), Grumpelt
patent: 3194751 (1965-07-01), Brady
patent: 4140598 (1979-02-01), Kimoto et al.
Lerner Herbert L.
SCHUMAG GmbH
Shaw C. C.
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