Dispenser closure
US4248362A · kind A · utility
Inventors
Key dates
| Filing date | Sep 27, 1979 |
| Grant date | Feb 3, 1981 |
| Priority date | — |
| Expiry date | Sep 27, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D47/2025
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dispenser closure comprising a tubular spout to be connected at one end to a fluid container and a cap fitted to the other end of the spout, said cap being provided with a transverse wall of elastomeric material extending across the other end of the spout and being substantially wedge shaped in cross section with the wedge projecting inwardly into the other end of the tubular spout, an inwardly directed peripheral flange mounted on said transverse wall to sealingly engage with the inner surface of the tubular spout, a discharge outlet provided in the spout or in the cap outwardly of the region of sealing engagement between said peripheral flange and the inner surface of the tubular spout, the outer face of the transverse wall being provided with an outwardly directed protrusion to be manipulated to distort the transverse wall and the portion of the peripheral flange adjacent the discharge outlet to cause fluid flow from the container through the discharge outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.