Electric spark machining apparatus
US4730094A · kind A · utility
7Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1986 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Dec 17, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23H1/10
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An electric spark machining apparatus includes a cooling device which is arranged so that machining liquid pumped up from a reservoir and fed to an electric spark machine is controlled in temperature to minimize a temperature difference between machining liquid entering into the electric spark machine and the latter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.