Image forming apparatus, and apparatus and method for applying foamed liquid
US8398225B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 4, 2008 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Jun 9, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M7/0027
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A foamed liquid coating apparatus prevents curling or warping of a sheet caused by coating irregularities when coated with a preprocessing solution using a coating roller or a liquid discharge head. The foamed liquid coating apparatus includes a container holding a liquid that can be foamed. A first foamed liquid producing/transporting unit produces a foamed liquid having a foam size greater than a required foam size from the liquid supplied from the container. A second foamed liquid producing/transporting unit produces a foamed liquid having the required foam size from the foamed liquid produced by the first foamed liquid producing/transporting unit. The foamed liquid produced by the second foamed liquid producing/transporting unit is applied onto a first coating roller. The foamed liquid is further supplied from the first coating roller to a second coating roller that coats a sheet with the foamed liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.