Edge seal assembly for paper coating apparatus
US4503804A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1983 |
| Grant date | Mar 12, 1985 |
| Priority date | — |
| Expiry date | Jan 17, 2003 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H5/0017
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An improved edge seal assembly for an applicator for applying a coating liquid to a moving web of paper, wherein the applicator is of the type having a chamber for receiving the coating liquid and an elongate opening thereto for directing the liquid onto the web, the opening being formed between a front wall of the chamber and a doctor blade extending from the rear side of the opening to against the web, is characterized by a seal element sealed with the front wall and doctor blade in an end space therebetween, and a deckle beneath the seal element for closing off a selected portion of the side end of the opening. The seal element and the deckle are slidingly interconnected and can be independently adjusted laterally with respect to the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.