The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 07, 2005
Filed:
Feb. 13, 2002
Leo Hubert Maria Krings, Singapore, SG;
Gerard Cnossen, Singapore, SG;
Youg Ling Wu, Singapore, SG;
Soo-kong Chang, Singapore, SG;
Leo Hubert Maria Krings, Singapore, SG;
Gerard Cnossen, Singapore, SG;
Youg Ling Wu, Singapore, SG;
Soo-Kong Chang, Singapore, SG;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
SimTech, Singapore, SG;
Abstract
Disclosed is a domestic appliance, at least comprising an aluminum sole plate which is provided with a coating which is provided by means of a sol-gel process and wherein an intermediate layer is present between the aluminum sole plate and the sol-gel coating. The intermediate layer comprises a multi-layer structure. Also described is a method of manufacturing such a domestic appliance. The method comprises the steps of providing an aluminum substrate, applying a porous intermediate layer of aluminum oxide by electrochemical treatment of the aluminum sole plate in an electrolyte comprising a solution of phosphoric acid, applying a dense intermediate layer of aluminum oxide by electrochemical treatment in an electrolyte, and providing a sol-gel coating on the treated substrate.