Zinc-based metal plated steel sheet
USRE45821E1 · kind E1 · reissue
1Cited by
9References
4Claims
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Key dates
| Filing date | Jun 30, 2014 |
| Grant date | Dec 22, 2015 |
| Priority date | — |
| Expiry date | Jun 30, 2034 |
Classification
- Technology area (CPC —)General
Abstract
A zinc-based metal plated steel sheet is excellent in tribological properties during press forming. An oxide layer containing crystalline 3Zn(OH)2·ZnSO4·xH2O is formed on a plated surface. The oxide layer has a thickness of 10 nm or more. The crystalline oxide layer is composed of 3Zn(OH)2·ZnSO4·3-5H2O.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.