Multiple chamber dispensing container and closure system
US4964539A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 6, 1989 |
| Grant date | Oct 23, 1990 |
| Priority date | — |
| Expiry date | Apr 6, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D47/0814
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A package is provided for dispensing at least two substances simultaneously in an adjacent relationship. The package includes a container having a plurality of separated storage compartments. The container has an outlet end with a peripheral outlet wall and at least one interior divider wall cooperating to define a plurality of discharge passages each communicating with a respective one of the compartments. The outlet wall has interior peripheral sealing surfaces that each define a portion of the inner periphery of a respective one of the discharge passages. Each divider wall has generally oppositely facing sealing surfaces that each define a portion of the inner periphery of a respective one of the discharge passages. A cover is provided for securement to the container over the outlet end. The cover includes at least a plurality of downwardly projecting interior sealing members for each projecting into a respective one of the discharge passages to seal against each divider wall sealing surface and interior peripheral sealing surface that defines the inner periphery of the respective one discharge passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.