Non-caustic cleaning of conductive and non-conductive bodies
US6264823A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1999 |
| Grant date | Jul 24, 2001 |
| Priority date | — |
| Expiry date | Oct 1, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/26
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method and apparatus for cleaning conductive and non-conductive bodies using a basic aqueous disodium phosphate and sodium bicarbonate cleaning solution. The outside surfaces of a metallic or non-metallic body are cleaned by spraying or brushing the cleaning solution on to body, or by placing the metallic body in electrical contact with the cleaning solution, an anode and a cathode (either of which may be the body itself) and flowing DC current from the anode to the cathode and thus through the chemical solution, thereby causing the cleaning solution to electrolytically clean the body. The DC current is provided by an inverter power source. The body may be immersed in the electrolytic cleaning solution or the electrolytic cleaning solution may be sprayed onto the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.