Process for the pressureless sintering of metal alloys; and application to the manufacture of hollow spheres
US7544322B2 · kind B2 · utility
1Cited by
12References
9Claims
0Family size
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Key dates
| Filing date | Jul 7, 2006 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Nov 24, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2998/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Hollow metal spheres are heated in a high vacuum in the presence of an organic substance, at a temperature at least equal to the melting point of a eutectic between carbon and the metallic constituents of the said spheres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.