Roll-on dispenser with flexible valve
US5213431A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1992 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Sep 2, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D47/243
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dispensing device is provided including a container having a neck, a fitment mounted on the container having an elongated socket for receiving a roller therewithin and a valve member slidably mounted on the neck and communicating with an inner surface of the elongated socket. The valve member includes a transverse wall with a switch rib jutting outward from an upper surface thereof and projecting through a window formed on the wall of the fitment. A pair of slots flank the switch rib and partially traverse across the upper surface thereof and completely across a skirt projecting downwardly from the upper surface. Additionally, there may be a cutout area located between the slots. Both the slots and cutout area provide flexibility to the switch rib. Fluid communication between the container and fitment is achieved when a cap covering the fitment is removed. During removal, a projection on an inner surface of the cap catches the switch rib thereby moving the valve member upward and then through flexing of the switch rib disengaging same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.