Cooking vessel comprising a base made of a multilayer material and a side wall, and article of multilayer material
US7335428B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 30, 2001 |
| Grant date | Feb 26, 2008 |
| Priority date | — |
| Expiry date | Apr 13, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/13
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a cooking vessel comprising a base made of a multilayer material and a side wall, the said multilayer material comprising, in succession from the outside of the vessel to the inside of the vessel: an outer part, having a thickness eE, consisting of a layer of a ferromagnetic Nickel based alloy having a Curie temperature of between 30 and 350° C. and a thermal expansion coefficient of greater than or equal to 6.5.10−6 K−1, and a core, having a thickness ec, comprising at least one layer selected among aluminium, aluminium alloy and copper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.