Drilling tool for use in machining a conductive work piece
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United States of America Patent
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Apr 2, 2019
Grant Date -
Jan 4, 2018
app pub date -
Jun 30, 2016
filing date -
Jun 30, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drilling tool for use in machining a conductive work piece that includes a forward electrode tip including an outer radial portion and an inner radial portion. The outer radial portion includes a forward face, and the inner radial portion extends from the forward face of the outer radial portion. The drilling tool further includes a dielectric sheath that extends circumferentially about the outer radial portion, at least one side electrode coupled to the dielectric sheath, and a protective sheath that extends circumferentially about the dielectric sheath. An opening is defined in the protective sheath such that the at least one side electrode is at least partially exposed.
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