Multiposition interlocking closure fastening device
US5056933A · kind A · utility
52Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 22, 1989 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Sep 22, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S24/50
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An interlocking closure fastening device comprising a first closure element and a second closure element wherein the first closure element or the second closure element may comprise a plurality of closure element units having the same or alternately different structures. The closure fastening device is particularly adapted for multiposition occlusion of the closure elements such as in connecting various parts of plastic film to itself, different plastic films to each other, and variable-depth pouches, containers, or storage bags.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.