Patent attributes
A clamp mark includes a mark main body, flange parts and a linear rib. The mark main body has a cylindrical shape. The mark main body is made of resin material by molding. The mark main body covers a circumference of an electric wire entirely in a circumference direction of the electric wire at a predetermined position of the electric wire in an axial direction of the electric wire. The flange parts are respectively provided on both ends of the mark main body in an axial direction of the mark main body so as to project outward in a radial direction of the mark main body from an outer peripheral surface of the mark main body. The rib is provided on and projected from the outer peripheral surface of the mark main body.