ANODIZING APPARATUS

PROBLEM TO BE SOLVED: To provide an anodizing apparatus which performs anodizing on an objective surface part of an object to be treated without using a masking material.SOLUTION: A piston ring groove W1 of a piston W is anodized. More precisely, the side peripheral surface Wf including the piston r...

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Bibliographische Detailangaben
Hauptverfasser:	KATO SEIKI, WADA TAKEYO, TSUTSUI MASAO, NISHIGAKI KAZUHITO, OBINATA OSAMU, TAKAGI HISATAKA, NAKAGAWA TETSUTARO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CHEMISTRY COMBUSTION ENGINES CYLINDERS CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING METALLURGY PISTONS PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an anodizing apparatus which performs anodizing on an objective surface part of an object to be treated without using a masking material.SOLUTION: A piston ring groove W1 of a piston W is anodized. More precisely, the side peripheral surface Wf including the piston ring groove W1 at the top side, of three piston ring grooves W1, W2, and W3 formed from the top existing in the outer peripheral surface at the top of the piston W to a skirt part is mainly anodized. The anodizing apparatus 1 includes: a holder 2 (first electrode part); an electrode part 3 (second electrode part); an impeller part 4 (electrolytic liquid discharge unit); an electrolytic liquid supply unit 5; and a power distribution unit 6.