Composite flexible film laminate
US4287274A · kind A · utility
29Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1979 |
| Grant date | Sep 1, 1981 |
| Priority date | — |
| Expiry date | Sep 26, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flexible film laminate, according to the invention, can be applied directly to the cardboard tubing of dry cell batteries during the manufacture of same. In a preferred arrangement the laminate comprises, a first layer of a plastics film 1, a second layer of discrete areas of colored pigments 2, a third layer of adhesive 3, a fourth layer of a metallic deposit 4 on the surface of a fifth layer, said fifth layer of a plastics material 5, a sixth layer of adhesive 6, a layer of finely divided clay mineral particles 7, a layer of bleached kraft paper 8 and a final layer of uncured heat sensitive adhesive 9.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.