Dispensing closures and dispensers
US10723528B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2017 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Jan 20, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D51/1644
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dispensing closure for dispensing liquid, comprising an outer nozzle component (6) defining a nozzle opening (66) and a valve assembly (7) disposed in the closure upstream of the nozzle opening, the valve assembly comprising an outer valve element (3) and a generally rigid intermediate valve seat element (4) disposed inwardly of the outer valve element, the outer valve element comprising an outer valve flap (38) and the intermediate valve element (4) defining an outflow opening (451) bordered by an outer seat region (411, 471), the outer valve flap (38) being movable between a closed position, in which it overlaps the outer seat region of the intermediate valve element to close the outflow opening (451) against inflow therethrough, and an open position, in which it is deflected away from the outer seat region (411, 471) to open the outflow opening for outflow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.