Multistep occluding zipper with sealing features
US8215839B2 · kind B2 · utility
7Cited by
41References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2009 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Sep 8, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/45168
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A closure device for a thermoplastic bag which includes two opposing, longitudinally extending interlockable male and female fastening strips having respective male and female closure elements or profiles with outside wings that are deformed when the closure device is fully occluded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.