Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
1987-05-13
1989-08-01
Roy, Upendra
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
428632, 428658, 428659, 428684, B32B 1504
Patent
active
048532959
ABSTRACT:
In the electroplated steel sheets for automobile use, the chipping resistance, water-resistant adhesion, unpainted corrosion resistance, post-painted corrosion resistance, and resistance to secular exposure are improved by superimposing a chemical conversion layer between electroplated layers of zinc and iron, nickel, cobalt, or alloys thereof.
Shindo Yoshio
Wada Koichi
Yamazaki Fumio
Nippon Steel Corporation
Roy Upendra
Wyszomierski George
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