Electrostatic spraying apparatus
US4572437A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1983 |
| Grant date | Feb 25, 1986 |
| Priority date | — |
| Expiry date | Apr 12, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B5/0426
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An electrostatic spraying apparatus for applying a liquid coating material to a work piece, and which comprises a rotating bell-like or disc-like atomizer head and an annular gap coaxial therewith which is connected to a compressed air source is provided with an improvement of a further annular gap connected to a compressed air source, the additional gap coaxially surrounding the first annular gap, and the gap width of at least one of the two annular gaps being adjustable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.