Valve incorporating at least one rocking flap with respect to elastic pivots
US4908028A · kind A · utility
87Cited by
7References
11Claims
0Family size
Inventors
Key dates
| Filing date | Mar 17, 1988 |
| Grant date | Mar 13, 1990 |
| Priority date | — |
| Expiry date | Mar 17, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7898
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A valve incorporating at least one rocking flap which is fixedly mounted to at least one elongated elastic element whose ends project outwardly with respect to the flap and are fixedly secured to a ring member and wherein the elastic element acts as a torsion bar which functions to return the flap to its original position after the flap has been pivoted with respect to the ring member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.