Slider-operated rocking zipper for reclosable packaging
US6976787B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 11, 2002 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Sep 1, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/2563
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A reclosable package has a flexible zipper and a slider. The zipper comprises first and second zipper parts having interlocking elements, first opposing portions on one side of the interlocking elements and second opposing portions on the other side of the interlocking elements. The slider has a top wall, first and second side walls connected to the top wall, an opening end, a closing end, and first and second camming means that have respective fixed positional relationships to the first and second side walls and that cam the first opposing portions of lengthwise sections of the first and second zipper parts located inside the slider in opposite directions during movement of the slider in an opening direction along the zipper, while the second opposing portions of the lengthwise sections of the first and second zipper parts located inside the slider do not move further away from each other during the slider movement in the opening direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.