Pressure-cooking appliance provided with an excess pressure safety device, and a gasket for said appliance
US7637206B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2004 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | Sep 3, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J27/09
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An appliance for cooking under pressure comprises a lid and a bowl having a side wall, said lid and side wall defining an interstitial space presenting an initial cross section of predetermined initial radial dimension for receiving an annular sealing gasket. The bowl, the lid, and the gasket are designed so that when the pressure inside the vessel reaches a predetermined critical value, the interstitial space presents a predetermined critical radial dimension such that the difference between the initial dimension and the critical dimension is great enough to cause leaktight contact between the gasket and the side wall to be broken. The invention is particularly applicable to domestic pressure cookers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.