Valve assembly for viscous fluid dispensers
US7644840B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2005 |
| Grant date | Jan 12, 2010 |
| Priority date | — |
| Expiry date | Apr 5, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F15/005
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A valve assembly comprising a housing and a valve member mounted within the housing rotatable about an axis and between at least a dispensing position and a further position, for instance a volume selection position during which a material can be withdrawn from a container, and, preferably, a seat for mounting and guiding the valve member within the housing, wherein at least one of said housing, valve member, and seat is made of a synthetic material and the assembly further comprises a spring, which urges at least two of said housing, valve member, and seat together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.