Patent ID: 8833215
Filing Date: 2014-09-16
Classification: B23B,B23K,Y10T

Abstract:
1. A cutting tool for forming concentric rings of protruding ridges or intruding grooves in a domed weld face of an electrical resistance welding electrode, the cutting tool comprising: a cutter blade rotatable about an axis of a domed weld face of a welding electrode, the cutter blade having at least one concave cutting surface conformable to the domed weld face of the welding electrode for forming or re-forming concentric rings of ridges or grooves of a constant cross-section in the domed weld face of the welding electrode, the cutting surface being configured to cut the concentric rings of ridges or grooves onto the domed weld face, by removing material from the domed weld face, when the cutting surface is engaged with the domed weld face and rotated about the axis of the domed weld face.