Title:
ELECTROPLATED COATING OF ZINC ALLOY WITH EXCELLENT CORROSION RESISTANCE AND PLATED METAL MATERIAL HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2005/056883
Kind Code:
A1
Abstract:
Disclosed is an electroplated coating of a zinc alloy which contains no environmentally harmful chromium and still exhibits a high corrosion resistance equivalent to that of a Zn-Cr alloy plating. Also disclosed is a plated metal material having such a coating. The electroplated coating of a zinc alloy having excellent corrosion resistance is characterized by containing (A) 30-96 weight% of zinc, (B) 2-20 weight% of an iron group metal and (C) 2-50 weight% of tungsten.
Inventors:
KUBOTA KENTARO
HARUTA YASUHIKO
HIRAKI TADAYOSHI
HARUTA YASUHIKO
HIRAKI TADAYOSHI
Application Number:
PCT/JP2004/018535
Publication Date:
June 23, 2005
Filing Date:
December 07, 2004
Export Citation:
Assignee:
KANSAI PAINT CO LTD (JP)
KUBOTA KENTARO
HARUTA YASUHIKO
HIRAKI TADAYOSHI
KUBOTA KENTARO
HARUTA YASUHIKO
HIRAKI TADAYOSHI
International Classes:
C25D3/56; C25D5/26; C25D15/02; (IPC1-7): C25D5/26; C25D15/02
Domestic Patent References:
| WO2002052068A1 | 2002-07-04 |
Foreign References:
| JPS4911735A | 1974-02-01 | |||
| JP2001254195A | 2001-09-18 | |||
| JPH05195244A | 1993-08-03 | |||
| JPH03162598A | 1991-07-12 | |||
| JPS4716522B1 | ||||
| JPH08246184A | 1996-09-24 | |||
| JP2000309897A | 2000-11-07 |
Other References:
See also references of EP 1719825A4
Attorney, Agent or Firm:
Oguri, Shohei (ARK Mori Building 12-32, Akasaka 1-chome, Minato-k, Tokyo 13, JP)
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