PARTIAL ANODE OXIDATION DEVICE AND ANODE OXIDATION TREATMENT METHOD USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a device and a method for forming a partial anode oxide film on a part of the outer circumferential face of a shape with an irregular cross-sectional shape.SOLUTION: In the partial anode oxidation device for a shape 1 with an irregular cross-sectional shape, an electrolytic treatment tank is divided into two or more partial tanks 11, 12, and the shape is held in such a manner that a part of the shape is located at the outside of the tanks in the two or more partial tanks to form a hermetic type electrolytic chamber 20.