Patent · US Expired

Valve assembly for viscous fluid dispensers

US7644840B2 · kind B2 · utility

7Cited by
28References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 2005
Grant dateJan 12, 2010
Priority date
Expiry dateApr 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a dispensing position and a further position, for instance a volume selection position during which a material can be withdrawn from a container, and, preferably, a seat for mounting and guiding the valve member within the housing, wherein at least one of said housing, valve member, and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.