EDM drill

Electric heating – Metal heating – Cutting or disintegrating

Reexamination Certificate

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C219S069150

Reexamination Certificate

active

07012212

ABSTRACT:
An EDM drill comprised of an automated electrode tube replacing means to allow fully automated and continuous working on holes; and further comprised of an electrode tube guide selection device to allow fully automated and continuous working on holes of various diameters.

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patent: 6396022 (2002-05-01), Suzuki
patent: 7-24649 (1995-01-01), None
patent: 8-290332 (1996-11-01), None
patent: 2000-33522 (2000-02-01), None
patent: WO-00-23222 (2000-04-01), None

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