Anti-contamination coating for decurler indenting shaft
US9457591B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2015 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Aug 31, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J11/0005
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Provided is a printing apparatus that includes: a sheet path for moving a print substrate; a decurling station positioned along the sheet path and the decurling station. The decurling station includes an indenting roller mounted for rotation around a first longitudinal axis thereof and on a first side of the sheet path, and an elastomeric roller mounted for rotation around a second longitudinal axis thereof and on a second side of the sheet path. The indenting roller includes an indenter shaft and a an anti-contamination coating disposed on the indenter shaft, wherein a drop of aqueous ink exhibits a sliding angle of less than about 30° and a contact angle of greater than about 40° with a surface of the anti-contamination coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.