Ribbed film structures with voiding agent created visual characteristics
US9566760B2 · kind B2 · utility
2Cited by
45References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Jan 28, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2457
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In one example embodiment, a film includes a coextruded structure having both an extruded ribbed skin layer that includes a plurality of ribs, and a core layer. The ribs are spaced apart by a web that is integral with the ribs. The film also includes a voiding agent in the ribs of the skin layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.