Electrode tube for electrical discharge machining and manufactur

Electric heating – Metal heating – Cutting or disintegrating

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Details

295921, B23H 104

Patent

active

055148450

ABSTRACT:
An electrode tube for electrical discharge machining includes an outer peripheral portion and a plurality of rails or ribs projecting inwardly from an outer peripheral portion toward the central axis of the tube. The rails or ribs are formed integrally with the outer peripheral portion by drawing, or cold rolling, or hot extrusion. The space inside the tube is substantially divided into a plurality of through holes along the central axis by the plurality of rails or ribs.

REFERENCES:
patent: 2715172 (1955-08-01), Larkins, Jr.
patent: 3622734 (1971-11-01), Mainwaring
patent: 4855557 (1989-08-01), Denny

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