Apparatus for applying a film of liquid to a web of material
US3930465A · kind A · utility
26Cited by
7References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 16, 1975 |
| Grant date | Jan 6, 1976 |
| Priority date | — |
| Expiry date | Jan 16, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S118/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for applying a thin liquid film to a continuously moving web of large width comprises a liquid supply chamber adapted to be fed by a pump. A smoothly tensioned foil, arranged to receive liquid from the supply chamber, constitutes a guide surface to form a liquid film, and has a lower edge arranged to discharge the film onto the web of material. Means arranged ahead of the foil is provided for calming the liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.