Graphite forging die
US3987658A · kind A · utility
6Cited by
4References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1975 |
| Grant date | Oct 26, 1976 |
| Priority date | — |
| Expiry date | Dec 12, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S72/70
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Graphite having a compressive strength at room temperature of at least 10,000 psi is an improved die material useful in the forging of high strength alloys which are in a temporary condition of low strength and high ductility in hot die means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.