Calender for material webs or the like
US5427021A · kind A · utility
2Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 14, 1994 |
| Grant date | Jun 27, 1995 |
| Priority date | — |
| Expiry date | Feb 14, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B13/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A calender for material webs of paper or the like comprises at least one pressing gap. At least one temperature controlled tempering roller is disposed adjacent to the gap. A charging device is disposed adjacent to the gap. The charging device electrostatically charges the material web before the material web contacts the tempering roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.