Composite abrasive wheel
US9321149B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2012 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Nov 6, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D5/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A composite abrasive wheel comprises primary and secondary abrasive portions. The primary abrasive portion comprises shaped ceramic abrasive particles retained in a first organic binder. The secondary abrasive portion is bonded to the primary abrasive portion, and comprises secondary crushed abrasive particles retained in a second organic binder. The primary abrasive portion comprises a larger volume percentage of the shaped ceramic abrasive particles than the secondary abrasive portion. A central aperture extends through the composite abrasive wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.