Flush valve device
US4703759A · kind A · utility
10Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 1986 |
| Grant date | Nov 3, 1987 |
| Priority date | — |
| Expiry date | May 20, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/0215
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A valve assembly for permitting a continuous small flow of fluid to pass through it via a passageway in a valve stem and a fast flow of fluid to pass through it via a path between the valve stem and a housing containing resilient bellows only when the bellows are compressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.