Cold press die lubrication method
US5085828A · kind A · utility
6Cited by
11References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 1991 |
| Grant date | Feb 4, 1992 |
| Priority date | — |
| Expiry date | May 15, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2003/026
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A rare earth-containing powder is pressed into a compact at ambient temperatures using a solid lubricant applied only to the die wall and/or a core. The solid lubricant is applied by suspending lubricant powder in a fluorinated hydrocarbon liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.