Quiet unwind stretch wrap film
US6602598B1 · kind B1 · utility
17Cited by
8References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1999 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Dec 7, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A novel multi-layer stretch film comprising at least 3 layers and having excellent mechanical properties and stretch film performance, comprising at least one outer or skin layer that has little or no cling or blocking characteristics in an unstretched state, but has substantial blocking characteristics when stretched. The stretch wrap films of the present invention have little or no unwind noise when removed from a stretch wrap film roll.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.