Package having a lap or fin seal without an air gap formed adjacent the seal
US10093457B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Feb 25, 2015 |
| Grant date | Oct 9, 2018 |
| Priority date | — |
| Expiry date | Feb 25, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B2160/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A flexible package having a closure device and a lap or fin seal is provided that reduces or eliminates an air gap present at the fin or lap seal portion of conventional packages. The package can include a film with a closure applied to the film. A bridge material is provided to the film to fill the air gap when the closure is in a sealed condition. The flexible package alternatively can include a film having a closure device applied to the film transverse to the first and second side edges of the film, with the first side edge portion extending into the fin seal such that at least a portion of the first side edge portion to eliminate an air gap between the fin seal and at least one of the first and second side edge portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.