Ink wiping system for a printing machine
US8516960B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2007 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | Apr 16, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41P2235/22
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The system comprises a wiping tank (1), a wiping roller (2) rotatably supported in the wiping tank and having a circumferential surface and cleaning means for cleaning the surface of the wiping roller, said cleaning means comprising at least a first spray unit (4) for spraying clean wiping solution against the surface of the wiping roller and a drying blade (12) placed downstream of said first spray unit with respect to a direction of rotation of said wiping roller for removing wiping solution residues from the surface of the wiping roller. The cleaning means further comprise a cleaning assembly including at least one supporting plate (5; 25) with a series of holes (5′, 30, 31, 32, 33) and holding means (7, 8, 10, 11) for holding the supporting plate, said supporting plate being conformed to extend parallel to a part of the circumferential surface of the wiping roller without touching said wiping roller. The cleaning assembly further comprising at least a cleaning sheet (6; 26, 26a, 26b) made of porous material placed on said supporting plate and in contact with the surface of said wiping roller for removing ink therefrom. The first spray unit (4) is disposed before an upstream end…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.