| (19) |
 |
|
(11) |
EP 0 269 005 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
08.03.1989 Bulletin 1989/10 |
| (43) |
Date of publication A2: |
|
01.06.1988 Bulletin 1988/22 |
| (22) |
Date of filing: 19.11.1987 |
|
|
| (84) |
Designated Contracting States: |
|
DE FR GB |
| (30) |
Priority: |
21.11.1986 JP 278171/86
21.11.1986 JP 278173/86
21.11.1986 JP 278174/86
21.11.1986 JP 278175/86
21.11.1986 JP 278176/86
21.11.1986 JP 278177/86
03.04.1987 JP 81059/87
03.04.1987 JP 81061/87
03.04.1987 JP 81063/87
|
| (71) |
Applicants: |
|
- NIPPON MINING & METALS COMPANY, LIMITED
Tokyo (JP)
- Nikko Aen Kabushiki Kaisha
Kurobe-shi
Toyama-ken (JP)
|
|
| (72) |
Inventors: |
|
- Tomita, Masatoshi
c/o Nikko Aen Kabushiki Kaisha
Toyama-ken (JP)
- Yamamoto, Susumu
c/o Nikko Aen Kabushiki Kaisha
Toyama-ken (JP)
- Tominaga, Chikara
c/o Nippon Mining Co.,Ltd.
Minato-ku
Tokyo (JP)
|
| (74) |
Representative: Schwan, Gerhard, Dipl.-Ing. |
|
Elfenstrasse 32
81739 München
81739 München (DE) |
|
| |
|
| (54) |
Colored zinc coating |
(57) A method of forming a colored zinc coating on an iron or steel surface in which
a base metal of iron or steel is coated by hot-dipping in a bath or or spraying with
a zinc alloy containing 0 1 - 2.0 wt % Ti and optionally up to 5.9 wt % Pb, up to
0.2 wt % Cd, up to 4.0 wt % Mn, up to 4.0 wt % Cn, up to 4.0 wt % Cr, up to 4.0 wt
% Ni, up to 0.05 wt % Sn, up to 0.05 wt % Bi, up to 0.05 wt % Sb, up to 0.05 wt %
In, balance Zn.