Powdered metal part
US5041158A · kind A · utility
8Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 12, 1990 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Jul 12, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B3/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Powdered metal parts, especitally valve parts of an internal combustion engine which are subject to adhesive wear in service, withstand such wear substantially better when they have substantially uniformly dispersed through them from about 0.75% to about 7.0% by weight of hydrate magnesium silicate (talc).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.