Abrasive article comprising mullite
US5928070A · kind A · utility
67Cited by
36References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 30, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | May 30, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D18/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A low-density abrasive article comprising a nonwoven web and a multiplicity of abrasive particles which are bonded to the nonwoven web by means of an adherent binder. Abrasive particles useful in the present invention have particle sizes between about grade 4 to grade 36 and are made of an abrasive mineral having a Mohs hardness of less than about 8. The abrasive particles are preferably made of synthetically manufactured fused mullite. The low density abrasive article is particularly suitable for removing stock from a carbon steel workpiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.