Grinding wheel and hub and method of forming the same
US4035161A · kind A · utility
8Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 1976 |
| Grant date | Jul 12, 1977 |
| Priority date | — |
| Expiry date | Jan 5, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D7/16
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An abrasive body is formed with a center bore therethrough. A molding ring is placed within the center bore to define an annular space. A foamed plastic such as polyurethane is supplied to the space and when the foamed plastic sets there results a rigid and dense hub for the abrasive body. A portion of the plastic foams into the inner wall of the abrasive body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.