Bar windings for electrical machines

Claim 1

A bar-shaped winding member for electrical machines, comprising a plurality of insulated conductive strands, a plurality of uninsulated conductive strands, a synthetic mica-resin putty, an electrically conductive strip, an electrically conductive synthetic resin adhesive, said strands having lengths and being twisted along their lengths and forming an elongated structure having a length and a width as well as a thickness, the length of the structure being greater than the thickness, the thickness being greater than the width, said conductive strands forming an outer surface at the width, said conductive strands forming irregularities at the outer surface of the width, said conductive strands having the irregularities filled with said synthetic mica-resin putty and said uninsulated conductive strands being covered by said electrically conductive strip and being electrically connected to said strip by means of the electrically conductive synthetic resin adhesive, said strip including a glass-fiber reinforced synthetic material.