Apparatus for applying a coating composition onto a web
US3930464A · kind A · utility
23Cited by
10References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1974 |
| Grant date | Jan 6, 1976 |
| Priority date | — |
| Expiry date | Feb 13, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/10
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method and apparatus for applying a coating composition onto a web, in which the coating composition is subjected to a first general smoothing during the passage of the web between relatively stiff surfaces of a primary coating member and the final smoothing of the coating is effected in a nip formed between relatively flexible flat surfaces of a secondary coating member. Said coating members being spaced from each other in the running direction of the web. The web is both stabilised and pre-coated by the primary coating member, whereas the coating is finalised by the secondary coating member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.