Flush cup extenders for electrical discharge machines

Details Flush cup extenders for electrical discharge machines Flush cup extenders for electrical discharge machines

1993-01-25

1995-01-24

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6914, B23H 100, B23H 702, B23H 110

Patent

active

053844432

ABSTRACT:
A flush cup and flush cup extender for use on electrical discharge machines (EDM). The standard upper and lower flush cups are replaced with improved flush cups which have a threaded portion surrounding the nozzle of the flush cups. Various flush cup extenders can then be threadingly attached to the improved flush cups to provide a shape which is optimum for the workpiece. Flush cup extenders include narrow nozzles, pivotable nozzles, flexible mushroom-domed nozzles, sprinkler nozzles and nozzles with a flat base.

REFERENCES:
patent: 4507532 (1985-03-01), Inoue
patent: 4704511 (1987-11-01), Miyano
patent: 5029246 (1991-07-01), Suzuki et al.
patent: 5057663 (1991-10-01), Kinoshita
patent: 5128505 (1992-07-01), Matter
patent: 5162630 (1992-11-01), Iwasaki
patent: 5214260 (1993-05-01), Fricke

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