Discontinuously laminated film
US8603609B2 · kind B2 · utility
18Cited by
38References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2010 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Nov 7, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24826
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Polymer films may be discontinuously laminated by processes such as adhesive bonding, ultrasonic bonding, embossing, ring rolling, and strainable network formation. The films may be prestretched under cold process conditions before lamination. The laminates have superior properties such as tear strength. The laminates may be incorporated into bags, such as trash bags.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.