Method and system for coating a web
US6203858A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 16, 1995 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | Jun 16, 2015 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H23/60
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention is directed to a process and system for coating a traveling material web, especially paper or cardboard, with at least one liquid medium, in which the coating medium is conveyed to an applicator device with a spray nozzle fitted in a vacuum chamber to generate a spray mist. The spray mist is applied to the material web according to the invention in that it is applied to the outside of at least one roll and transferred to the material web from the roll.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.