System for selective treatment of a traveling paper web
US6051068A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1997 |
| Grant date | Apr 18, 2000 |
| Priority date | — |
| Expiry date | Oct 31, 2017 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H23/72
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A system for selective treatment of a traveling web, preferably of paper or cardboard, by surface treatment or impregnation in which at least one coater is in the case of web treatment arranged after a dryer group for treatment of the one side of web. At least one further coater for treatment of the other side of the web is arranged before a further dryer group. Noncontact web deflectors are arranged after the coaters and noncontact dryers can be installed retroactively in existing dryer sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.