JIG FOR ANODIC OXIDATION OF ALUMINUM ALLOY SCREW AND BOLT AND SCREW AND BOLT PRODUCED BY JIG

摘要

PROBLEM TO BE SOLVED: To provide an anodic oxidation method by which a material to be treated is surely held in an electrolyte, anodically oxidized uniformly on the whole surface without unevenness, a large quantity of the materials are worked without requiring labor, an anodically oxidized aluminum alloy screw and bolt having sufficient structural strength and surface hardness and high electric insulating property is attained and to provide the aluminum alloy screw and bolt.;SOLUTION: The conductive electrode jig holds the aluminum alloy screw and bolt C of the material to be treated to immerse them in the electrolyte and presses the screw and bolt C to a titanium made electrode 1 by the combination of a titanium metal worked material and resin made acicular part B to secure the contact point of a tip K.;COPYRIGHT: (C)2011,JPO&INPIT