Valves for closing containers under fluid pressure
US4258904A · kind A · utility
3Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 1979 |
| Grant date | Mar 31, 1981 |
| Priority date | — |
| Expiry date | Dec 26, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/425
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A valve intended in particular for closing a container of fluid under pressure, more particularly gas in the liquid and/or gaseous phase, which comprises a seat, a movable sealing valve member mounted so as to bear elastically against the said seat, an elastic element forming a spring and having a fixed portion, and another movable portion supporting the said movable valve member, is characterized in that the elastic element is a spring having a shape permitting axial and radial retraction of the movable valve member in relation to the seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.