Electric heating – Metal heating – Cutting or disintegrating
Patent
1990-04-25
1991-08-20
Paschall, Mark H.
Electric heating
Metal heating
Cutting or disintegrating
219 6914, 219 6911, B23P 108, B23P 112
Patent
active
050417096
ABSTRACT:
The invention relates to the area of machine tools and more particularly relates to an attachment device for detachably mounting an electrode on an electrical discharge machine including a detachable head assembly incorporating an electric drive motor means for selectively rotating the electrode about its longitudinal axis relative to the workpiece.
REFERENCES:
patent: 2909640 (1959-10-01), Fairbrother
patent: 3427423 (1969-02-01), O'Connor
patent: 3629540 (1971-12-01), Constance
patent: 3816693 (1974-06-01), Braun
patent: 4230926 (1980-10-01), Gaumond
patent: 4441004 (1984-04-01), Inoue
Benadum John R.
Duncan Don
Petersen Eugene W.
Schneider James R.
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