Wrapping films with mating cling strips
US6942909B2 · kind B2 · utility
18Cited by
12References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2003 |
| Grant date | Sep 13, 2005 |
| Priority date | — |
| Expiry date | Jan 30, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A cling film system includes first and second film piles having different composition. Each film ply includes at least one cling layer and, desirably, one or more additional layers. Each film ply includes an overlapping portion and a second portion. The cling layer of the first film ply engages the cling layer of the second film ply in the overlapping portion of the first film ply and in the overlapping portion of the second film ply.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.