Electric heating – Metal heating – Cutting or disintegrating
Patent
1990-12-18
1992-08-18
Evans, Geoffrey S.
Electric heating
Metal heating
Cutting or disintegrating
219 6915, B23H 708
Patent
active
051401258
ABSTRACT:
A wire-electrode arrangement for effecting a spark-erosive cutting and a method for the manufacture of a wire electrode. In order to be able to cut non-conductive materials, a plus potential and also a minus potential can be applied to the electrode, since the wire electrode is formed by a first and a second electrode, which are insulated from one another and which extend substantially parallel to one another.
REFERENCES:
patent: 4013863 (1977-03-01), van Osenbruggen et al.
patent: 4103137 (1978-07-01), Levitt et al.
patent: 4766280 (1988-08-01), Groos
patent: 4797526 (1989-01-01), Kiyoshi
patent: 4803326 (1989-02-01), Kiyoshi
Berkenhoff GmbH
Evans Geoffrey S.
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