Grinder, grinding method using the grinder, manufacturing method of display device using the grinding method, and display device manufactured by the manufacturing method
US8721389B2 · kind B2 · utility
10Cited by
7References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 25, 2011 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Aug 19, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B9/102
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A grinder including a grinding unit including a grinding surface and a shaft connected to the grinding unit for rotating the grinding unit. The grinding unit includes polyurethane and a mixture of a repairer and an abrasive, and an angle α between a plane perpendicular to a rotational axis of the shaft and the grinding surface satisfies 1°≦α≦7°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.