Process for producing middle electrode
US6705009B2 · kind B2 · utility
7Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 9, 2001 |
| Grant date | Mar 16, 2004 |
| Priority date | — |
| Expiry date | Dec 18, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49218
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Process for producing a middle electrode with precious metal reinforcement, a middle electrode being used with an ignition tipwhich is tapered relative to the middle electrode body, such that a precious metal wire with a cross section which corresponds to the tapered ignition tip is welded flat onto the tapered ignition tipand such that this precious metal wire is cut off at the desired height, with a sharp edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.