Electric heating – Metal heating – Cutting or disintegrating
Patent
1984-12-18
1986-12-16
Pellinen, A. D.
Electric heating
Metal heating
Cutting or disintegrating
2041291, 204206, 219 69M, B23H 710
Patent
active
046298550
ABSTRACT:
A traveling-tape electroerosive cutting method and apparatus utilizing a tape supporting guide bar having two opposite, elongate surfaces extending parallel to its longitudinal axis. The bar penetrates the workpiece from one side to the other side to bring the tape advancing between its dispensing site and takeup site into form engagement with those elongate surfaces which are shaped to enable those portions of the traveling tape which are respectively in engagement with the elongate surfaces together form an active electrode surface of convexity generally V-shaped in section and juxtaposed with the workpiece across a fluid-filled machining gap.
REFERENCES:
patent: 2802929 (1957-08-01), Fefer et al.
patent: 2903557 (1959-09-01), Matulaitis
patent: 3035150 (1962-05-01), Connoy
patent: 4301349 (1981-11-01), Inoue
patent: 4314133 (1982-02-01), Pfau et al.
patent: 4386248 (1983-05-01), Inoue
Evans Geoffrey S.
Inoue-Japax Research Incorporated
Pellinen A. D.
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