Installation of an excess pressure valve in a hermetically sealed flexible container
US4420015A · kind A · utility
31Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 30, 1981 |
| Grant date | Dec 13, 1983 |
| Priority date | — |
| Expiry date | Dec 30, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7888
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In a safety valve for a hermetically sealed container, which valve includes a carrier plate having a lateral edge flange for fastening the carrier plate to the container and presenting a shallow recess having a base provided with a central opening, a flexible diaphragm inserted in the recess and covering the central opening, and a viscous sealing agent interposed between the base of the recess and the diaphragm, a clamping member is disposed in the recess and provided with pressing jaws positioned to clamp an edge region of the diaphragm against the base of the recess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.