Method for obtaining a cooking vessel having a colored, hard, anodized outer surface
US9976225B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2011 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Mar 25, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D2350/63
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided is a method for obtaining a cooking vessel that includes the following steps: producing a bowl having an aluminum outer surface and an inner surface; performing hard anodization of at least the outer surface of the bowl; and providing a sol-gel coating on the anodized outer surface. At least one coloring step is carried out following the hard anodization, the coloring step(s) being carried out before and/or during the sol-gel coating step. Also provided is a kitchen item or an electrical cooking appliance that includes a cooking vessel obtained by the above method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.