Patent · US Expired

Valve

US6325115A · kind A · utility

34Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 13, 2000
Grant dateDec 4, 2001
Priority date
Expiry dateMar 13, 2020

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01K5/02
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A valve for controlling the flow of granules from a first container to a second container, the valve, when in use, attached to the first container, comprising a movable valve member which is biased to a closed position and engagement means for engaging, in use, with a coupling unit attached to the second container, wherein, in use, the relative rotation of the valve to the coupling unit controls the extent to which the valve is opened.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.