Arrangement for removing dust in folders for printing machines
US5027462A · kind A · utility
6Cited by
6References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1990 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Apr 26, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F23/002
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A dust removal arrangement for a turning bar in folders for printing machines has the turning bar surrounded by several suction chambers which, when viewed in cross-sectional, are arranged in a semicircular manner successively in parallel to the turning bar axis as well as in the moving direction of the paper, at least in the area of one of the lateral edges of the paper moving path. Discharge electrodes, has a d.c. voltage applied and are arranged at the paper inlet in the front area of the first suction chamber and at the paper outlet in the area behind the last suction chamber opposite the turning bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.