Vented and valved pouring spout
US4946079A · kind A · utility
Inventor
Key dates
| Filing date | Jul 21, 1988 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | Jul 21, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05C17/00516
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A pouring spout for attachment to liquid containers having superimposed passages therein, one for air to enter the container and the other for fluid to exit therefrom. a thumb-actuated ball valve seated in fluid-tight relation within a spherically-shaped pocket intermediate the ends of the spout becomes operative to either open or close both passages simultaneously upon rotation of the valve a quarter of a turn through the use of the thumb of the hand holding the container. The intake end of the spout is formed to provide it with a flared skirt cooperating with it to define a funnel effective to direct fluid into the latter when used separate from a container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.