Method of filtering the effluent from a wire EDM process
US4927547A · kind A · utility
Inventor
Key dates
| Filing date | Oct 26, 1988 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Oct 26, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/043
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention is directed to a method of removing impurities from the effluent of an EDM process wherein the improvement comprises steps of: providing a filter apparatus; providing the effluent from an EDM process to said apparatus; filtering impurities from the effluent thereby forming a filtrate; removing said apparatus from said effluent; and back flushing said apparatus with said filtrate, said back flushing conducted at a pressure greater than atmospheric pressure, thereby removing the impurities from said apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.