Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kotaro Nakazima0
Date of Patent
December 2, 2008
0Patent Application Number
118582270
Date Filed
September 20, 2007
0Patent Primary Examiner
Patent abstract
A tip dresser is disclosed, by which a cutter body can be easily formed and by which an end of an electrode tip can be quickly and neatly grinded. A tip dresser, which is configured to grind a pair of electrode tips used for spot welding in a manner of approaching ends of a pair of the electrode tips to each other, includes a cutter including a holder configured to be rotationally driven with a rotation center axis matched to an axial center of each of the mutually approached electrode tips, a cutter body retained by the holder to cut vicinities of the ends of electrode tips in case the holder is rotated.
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