Gussetted flexible package with reclosable mouth using a snap type reclosure strip
US5692837A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 8, 1996 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Aug 8, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D33/25
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A flexible, gussetted package and method of making it. The package has an interior for initially holding some product, e.g., whole coffee bean or ground coffee, under vacuum, and which includes a mouth portion arranged to be peeled open to provide access to the contents of the package. The package is formed of a flexible material and includes a front panel, a rear panel, and a pair of opposed side gussets. The panels and gussets each include a top portion, which between them define the package's mouth. A peelable closure is provided within the mouth. A snap closure is provided above the peelable closure. The package is arranged to be sealed under vacuum, with the peelable closure maintaining the vacuum within the package until it is peeled open. The snap closure comprises a pair of snap strip members secured to respective portions of the front and rear panel. The snap strip portions are arranged to be releasably snap fit together, so that they can be opened and reclosed after the peelable closure has been peeled open in order to provide repeated access to the interior of the package, while minimizing the ingress of air into the package when it is closed. The top portion of the pack…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.