Spark plug with fine wire rivet firing tips and method for its manufacture
US5456624A · kind A · utility
27Cited by
18References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1994 |
| Grant date | Oct 10, 1995 |
| Priority date | — |
| Expiry date | Mar 17, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T13/39
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A spark plug for an internal combustion engine is provided with a fine wire platinum firing tip. The platinum tip is preformed in a rivet before being welded to the center electrode during manufacture of the spark plug. Accordingly, the amount of platinum required is closely controlled,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.