Laminate together with a method for its manufacture
US4559257A · kind A · utility
16Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 9, 1984 |
| Grant date | Dec 17, 1985 |
| Priority date | — |
| Expiry date | Aug 9, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A laminate, including an aluminum foil layer and a polyester layer, has the aluminum foil layer wrinkled or contracted into a large number of wrinkles. These can be straightened out when the plastic material is stretched, without any breaking of the aluminum foil layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.