Edge removal apparatus for curtain coating
US5395660A · kind A · utility
10Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1994 |
| Grant date | Mar 7, 1995 |
| Priority date | — |
| Expiry date | Mar 29, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S118/04
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention is an edge blade (20) attached to an edge guide (12) for removing an edge of a falling curtain (10). The edge of the falling curtain is intercepted by the edge blade (20) and is vacuumed away by a vacuum tube (21) disposed near the edge blade. The present invention provides a uniform coated edge with maximum coating speeds at the edge being equal to maximum speed possible for the coating system far from the edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.