Metal sheet and method for producing the same
US5238510A · kind A · utility
4Cited by
11References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1991 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Dec 4, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2221/01
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Disclosed is a method for producing a metal sheet having a full-hard central portion extending between at least two softer side edge portions of the sheet. The method comprises the step of heating the side edge portions of the sheet portions of the sheet to a higher temperature than the central portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.