Patent ID: 8047463

Claim:
A wire winding spool, comprising: a tubular body having a wall for supporting thereon a coil of wire; wall elements for containing said coil, said wall elements provided one at each one of the opposite end portions of said tubular body and being constituted by a flat flange and by a complementary flange, the complementary flange being joined to an outer surface of said flat flange; at least one driving pin that is provided at a surface directed outwardly of at least one of said wall elements, said driving pin being suitable to be engaged by engaging means for turning said spool; an abutment provided on an outer surface of the wall of said tubular body; a fold provided at each one of the opposite end portions of said tubular body, the fold constituted by a flaring out bevel of the respective said end portion; a camber provided at least at an inner edge of each said complementary flange and shaped so as to come into contact with the fold of the respective end portion of the wall of the tubular body, each wall element being associated with the corresponding end portion of the tubular body so as to rest with said flat flange against said abutment and clamped thereagainst by said camber into contact with said fold of the respective end portion of said wall.