Method of making a hole in a thick-walled metal material

Details Method of making a hole in a thick-walled metal material Method of making a hole in a thick-walled metal material

1982-09-16

1984-11-27

Albritton, C. L.

Electric heating

Metal heating

Cutting or disintegrating

219 69V, 219 69W, 219 70, B23P 106

Patent

active

044852878

ABSTRACT:
A process of making a hole in a metal material of a large thickness comprises bringing the tip of an arc electrode wire into contact with the metal material while laterally reciprocating the arc electrode wire to thereby form an entry path on one side of the arc electrode wire and an exit path on the other side of the arc electrode wire within the hole, and causing a pressurized fluid to be introduced into the entry path, guided to the bottom of the hole and the exit path, and discharged out of the hole together with the molten metal lumps.

REFERENCES:
patent: 2527490 (1950-10-01), Adams
patent: 2818490 (1957-12-01), Dixon
patent: 2903557 (1959-09-01), Matulaitis
patent: 2906853 (1959-09-01), Sibley
patent: 3610865 (1971-10-01), Osenbruggen
patent: 3619543 (1971-11-01), Slindee
patent: 3967090 (1976-06-01), Hamasaki et al.
patent: 4258244 (1981-03-01), Rieppel et al.
patent: 4388514 (1983-06-01), Coughlin et al.

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