Liquid dispensing means with novel air bleed valve

US4386718A · kind A · utility

Inventors

• David Stewart · Fort Worth, US
• Richard M. Bonnin · Maleny, AU

Key dates

• Filing date: Oct 30, 1980
• Grant date: Jun 7, 1983
• Expiry date: Oct 30, 2000

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/7889
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A dispenser of liquid from an inverted rigid screw neck container, the dispenser comprising a base with an upwardly directed socket to receive the container neck in a liquid tight manner, a port to discharge liquid to a threaded nose to be coupled to a tap, an air bleed arrangement to deliver atmospheric air through a stem and a one way valve into a container when mounted on the base.