Tamper evident reclosable package
US6880973B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2001 |
| Grant date | Apr 19, 2005 |
| Priority date | — |
| Expiry date | Sep 25, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D33/2516
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A tamper evident package has a first wall and a second wall facing the first wall. A zipper is provided at a top of the package. The first and second walls include portions that extend over the zipper and the first wall extension portion has a line of weakness that extends parallel to the zipper. A peel seal joins the first wall and the second wall above the interlocking members of the profiles and sections of the first and second walls extend beyond the peel seal. If the zipper has a slider, a pocket is formed in one of the walls to accommodate the slider. The slider pocket extends parallel to the zipper. Methods of forming he package on various types of form, fill and seal equipment as well as the equipment are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.