Dual chamber package
US6216915A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1999 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Aug 24, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/7713
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dual chamber package for containing and simultaneously dispensing two individually contained fluent products which are not continuously externally pressurized. The package has an outer container body formed of a resilient plastic material, which is closed at one end, and a pair of collapsible containers contained within the outer container body for containing the fluent products out of contact with one another. A single elevator is positioned in within outer container body, initially near the closed end thereof, and in contact with closed ends of each of the collapsible containers. The elevator receives the free end of a walking stick in a one-way connection, and lifting of the walking stick causes the elevator to rise, thereby simultaneously dispensing small doses of the packaged products from the collapsible containers. Depression of the walking stick at the conclusion of a dispensing cycle leaves the elevator in position for the next dispensing cycle by virtue of the one-way connection between the walking stick and the elevator. Reciprocation of the walking stick is actuated by an opposed pair of generally L-shaped levers contained entirely within the outer container body, the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.