Pour-spout closure for flexible packages, and flexible packages including a pour-spout closure
US6139187A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1999 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Apr 19, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D77/12
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An interlocking pour-spout closure for a flexible, gusseted package and a flexible gusseted package including such a closure. The package is formed of a flexible material and includes a front panel, a rear panel, and a pair of opposed side gussets. The package is initially sealed, e.g., by a peelable seal line. The panels and gussets each include a top portion. The package also includes a pour-through mouth, e.g., a portion of the panels and one side gusset is arranged to be removed from the remainder of the package. The pour-through mouth is located at the top of the package at one of the side gussets and is arranged to be opened by the pour-spout closure to provide access to the contents of the package. The closure includes a pair of closure sections hingedly secured to each other and each section includes a cut-away portion. Each of the closure sections is arranged to be secured to a respective one of the package's panels, with respective cut-away portions disposed over the at least a portion of the pour-through mouth of the package. The closure sections are arranged to disposed in a confronting releasably secured relationship with each other with portions of the first and secon…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.