Fluid conduit and pinch valve for use therewith
US4653719A · kind A · utility
27Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1985 |
| Grant date | Mar 31, 1987 |
| Priority date | — |
| Expiry date | Jun 21, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M39/28
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A molded flexible fluid conduit and a make/before break pinch valve including a slidably movable pressure member spring biased normally against said conduit in closed condition of the valve, said conduit including a pair of elongate longitudinal unitary purchase formations capable of cooperating with slots carried by the valve whereby the conduit forcibly is pulled or stretched in diametrically opposed directions upon actuation of the valve subsequent to periods of closure so as to force the conduit open to permit flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.