Control stretch laminating device
US4496417A · kind A · utility
55Cited by
6References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1982 |
| Grant date | Jan 29, 1985 |
| Priority date | — |
| Expiry date | Nov 12, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1798
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A laminating apparatus for laminating extensible plastic film material to a paper backing material to form a laminated composite. The apparatus comprises mechanical stretch control means for controlling the stretch or relaxation of the film material prior to lamination with the paper material. The apparatus also comprises means for monitoring the amount of film stretch in the laminated composite and providing data therefrom to a data processing unit which provides control signals to operate the mechanical stretch controlling means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.