Pour spout
US5234038A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1991 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Sep 27, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67D7/54
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A pour spout for pouring a fluid, such as fuel, by gravity from a container to a tank. The spout includes a conduit having one end connected to the fuel container and having a second end to be positioned within the neck of the tank. A sleeve is mounted for sliding movement within the conduit and the outer end of the sleeve carries a closure which closes off the discharge end of the conduit. A vent tube is disposed within the conduit and has an inlet end which is adapted to communicate with the fuel tank when the closure is in the open position. A check valve is mounted within the vent tube and permits the flow of fuel vapor and air from the tank through the tube to the container, but prevents flow of fuel in the opposite direction. An annular collar is mounted on the conduit and with the collar engaged with the neck of the fuel tank, a downward force applied through the container on the sleeve will open the closure to admit fuel through the conduit to the tank. The collar is adjustably mounted along the length of the fluid conduit to accommodate tank necks of different configurations. The closure carries a rotatable tab which encloses the inlet of the vent tube when the closure is …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.