Apparatus for coating objects electrostatically
US4450785A · kind A · utility
11Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 17, 1983 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | Mar 17, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B5/0418
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for electrostatically coating an object using electrostatically charged powder grains. The invention improves upon the spray bell sprayer by having a fixed hollow shaft providing a central supply line for the powder grains, the spray bell rotates about the hollow shaft and a plurality of compressed air nozzles pass radially into the hollow shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.