Method of treating rolled steel article
US9422629B2 · kind B2 · utility
Inventors
Key dates
| Filing date | May 20, 2011 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | Jun 26, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B45/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method of treating a rolled steel article, the method comprising: providing a first solution comprising an acid arranged to separate mill scale components from steel and a surfactant arranged to suspend separated mill scale components in the first solution; applying the first solution to a surface of the article for a prescribed duration; rinsing the first solution from the surface of the article by applying a rinse liquid to the article; directing a first flow of air onto the surface of the article to remove moisture from the surface of rolled steel article; and directing a second flow of air onto the surface of the article subsequent to application of the second solution until remaining moisture on the article is substantially removed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.