Electrostatic fluidized bed coating unit
US4069792A · kind A · utility
5Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1976 |
| Grant date | Jan 24, 1978 |
| Priority date | — |
| Expiry date | May 6, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05C19/025
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An electrostatic fluidized bed coating unit is disclosed. The coating unit comprises a plenum chamber with means for ingress of a gas under a greater than atmospheric pressure, a porous plate located on top of the plenum chamber and extending to the limits of the containing walls of the plenum chamber, containing walls for powder immediately above the porous plate and forming essentially a continuation of the plenum chamber walls, a coating chamber secured to such powder containing walls, and an exhaust system for effecting a uniform fluidizing gas removal from an area essentially directly above the porous plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.