Porous ultrafine grinder
US5718736A · kind A · utility
20Cited by
6References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 2, 1996 |
| Grant date | Feb 17, 1998 |
| Priority date | — |
| Expiry date | Oct 2, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D3/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention provides a porous ultrafine grinder including ultrafine abrasive grains of diamond or cubic boron nitride having an average grain size of 60 .mu.m or less, and a binder which can form a fused phase by fusion with the ultrafine abrasive grains under heating. The binder is a porous material having continuous pores, and the fused phase formed in the interface of the binder and the ultrafine abrasive grains has a thickness of 1.5 .mu.m or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.