Dispensing valve for packaging
US5377877A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1993 |
| Grant date | Jan 3, 1995 |
| Priority date | — |
| Expiry date | Apr 23, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D47/2031
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dispensing package is provided for fluid products such as liquid soaps, shampoos and conditioners, household detergents, cleaners, polishes, moisturizing creams, and the like, and includes a container with a self-sealing dispensing valve mounted therein. The valve includes a marginal flange, a valve head with a discharge orifice therein, and a connector sleeve having one end connected with the valve flange and the opposite end connected with the valve head adjacent a marginal edge thereof. The connector sleeve has a resiliently flexible construction, such that when pressure within the container raises above a predetermined amount, the valve head shifts outwardly in a manner which causes the connector sleeve to double over and extend rollingly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.