Examination slide grid system
US4937415A · kind A · utility
1Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 22, 1989 |
| Grant date | Jun 26, 1990 |
| Priority date | — |
| Expiry date | Feb 22, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23H9/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of forming an eroded pattern on a metal part using Electrical Discharge Machining (EDM) comprising: forming a pattern of electrodes on the end of a piece of electrode material by using wire EDM, the pattern of electrodes being the pattern to be eroded on the metal part or being a portion of the pattern; and mounting the metal part for EDM with the pattern of electrodes being mounted for use as electrodes and the erosion of the pattern or portion of the pattern provided by the pattern of electrodes by EDM in the metal part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.