Method for producing extrusion-coated laminates
US5770274A · kind A · utility
6Cited by
5References
8Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | May 6, 1994 |
| Grant date | Jun 23, 1998 |
| Priority date | — |
| Expiry date | May 6, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention describes a process for producing extrusion-coated laminates, which comprises subjecting the surface of an extruded film to a corona discharge treatment while the film is in a partially molten state in order to improve the adhesion of the film to a substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.