Article in cast iron comprising a vitreous coating and method of manufacturing such an article
US10017667B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2013 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Nov 12, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24364
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided is an article, particularly culinary, comprising a cast iron support having two opposite sides. The article comprises a vitreous coating in the form of at least a continuous layer of a sol-gel material comprising a matrix formed from at least a metal polyalkoxylate and at least a reactive or unreactive silicone oil, the layer of sol-gel material being deposited directly on one at least of the sides of said support, and the side provided with a vitreous coating has a surface roughness Ra ranging between 3 and 15 μm with a peak count per centimeter RPc ranging between 50 and 200. A method for manufacturing such an article is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.