Multilayer plated aluminum sheets
US5356723A · kind A · utility
15Cited by
7References
34Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 17, 1992 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Dec 17, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12792
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.