Paper coating apparatus and method
US4728539A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 25, 1986 |
| Grant date | Mar 1, 1988 |
| Priority date | — |
| Expiry date | Mar 25, 2006 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H5/0017
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A trailing blade paper coating apparatus is disclosed which comprises means providing a resilient curved surface for supporting a moving web of cellulosic material, an applicator for a paper coating composition and a trailing blade which in use is biased towards and in contact with the moving web of cellulosic material, and which further includes a flexible blade mounted so that, in operation of the trailing blade paper coating apparatus, the flexible blade is in contact with a web of cellulosic material to be coated at a location which is upstream relative to the trailing blade and downstream relative to the applicator for the coating composition. A method is also disclosed and claimed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.