Dual compartment easily openable flexible package
US5407278A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 10, 1993 |
| Grant date | Apr 18, 1995 |
| Priority date | — |
| Expiry date | Dec 10, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D31/12
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Flexible packages, each having a hollow interior including a pair of compartments for holding respective granular or powdered products isolated from each other. The packages are formed of flexible sheet material and comprises a front panel, a rear panel, and an intermediate panel. The front and rear panels each have a top edge portion, a bottom edge portion, and a pair of sides which are connected together. The bottom edge portions of the front and rear panels are sealed together. The intermediate panel has a pair of side edges and a bottom edge portion, with one of the side edges sealed to the package along one of the sides, and the other of the side edges is peelably sealed to the rear panel in one embodiment and to the front panel in another embodiment. The top edge portion of the intermediate panel is permanently sealed to the top edge portion of one panel and is peelably sealed to the top edge portion of the other panel. The bottom edge portion of the intermediate panel is permanently sealed to the front and rear panels. The space between the intermediate panel and the panel to which is peelably secured forms one compartment and the space between the intermediate panel and the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.