Process for preparation of an article made of enameled sheet steel by a direct method
US6199263A · kind A · utility
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4References
20Claims
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Assignee
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Key dates
| Filing date | Mar 23, 1998 |
| Grant date | Mar 13, 2001 |
| Priority date | — |
| Expiry date | Mar 23, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49986
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Process using the following stages in the following order: PA0 a) scouring, PA0 b) initial surface treatment in a single operation meeting three criteria relating to resistance to corrosion, lubrication and cleanability, PA0 c) shaping, PA0 d) second so-called nickeling surface treatment, PA0 e) enameling. With the aid of this order of operations and the criteria defining the initial surface treatment, scouring may be carried out on line on the installations for production of sheet-steel strips.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.