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:
Oct. 18, 1994
Filed:
Dec. 17, 1992
Masanari Kimoto, Kobe, JP;
Tetsuaki Tsuda, Nishinomiya, JP;
Masanori Tsuji, Hannan, JP;
Yoshihiko Hoboh, Osaka, JP;
Hiroshi Ikeda, Nagoya, JP;
Takao Aimu, Nagoya, JP;
Hideyuki Uto, Nagoya, JP;
Kiyoyuki Fukui, Kobe, JP;
Keizo Namba, Nagoya, JP;
Sumitomo Metal Industries, Ltd., Osaka, JP;
Sumitomo Light Metal Industries, Ltd., Tokyo, JP;
Abstract
A multilayer plated aluminum sheet suitable for use in automobile body panels comprises a base aluminum sheet made of aluminum or an aluminum alloy and has a first layer of zinc or a zinc alloy formed by displacement plating on the surface of the aluminum sheet and one or more layers of electroplated coating formed on the first layer by electroplating in an acidic bath. Preferably, the upper electroplated coating comprises at least one layer of zinc or a zinc alloy and the uppermost layer of the coating is formed from a metallic material having a melting point above 500.degree. C.