Electric heating – Metal heating – Cutting or disintegrating
Patent
1989-08-28
1991-03-26
Evans, Geoffrey S.
Electric heating
Metal heating
Cutting or disintegrating
219 70, 279 20, 285346, 403295, B23K 928, F16B 718
Patent
active
050031465
ABSTRACT:
A universal fitting for electrodes for use with electric arc metal disintegrator apparatus. The fitting accommodates all sizes of electrodes used with metal disintegrator apparatus and enables electrodes as short as one inch to be used. The universal fitting connects two electrodes, such as two electrodes having different diameters and/or materials, respectively. Smaller diameter electrodes may be carried within larger diameter electrodes and only a short length of the smaller diameter electrode need be exposed to the workpiece. The universal fitting is composed of collets, a central double-ended connector for connecting a collet at each end, seals to form a water-tight connection between the collets and the double-ended connector, and retainers to secure the electrodes to the collets and the collets to the middle connector. The universal fitting may be axially aligned, or in another embodiment, form a right angle for offset work.
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Castaneda Janet K.
Evans Geoffrey S.
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