Shrouded flexible packages
US7306370B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2003 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Feb 7, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B70/8132
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A shrouded flexible package is provided with an improved continuous laser score line. The score line has end portions adjacent the side seals of the package, which are located above fastener tracks which are enclosed by a shroud portion of the package. The score line contains downwardly and inwardly converging segments joined to a medial score line segment extending along side and generally below the fastener tracks. The score line is preferably formed with a laser energy source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.