| 摘要 |
PROBLEM TO BE SOLVED: To provide a glass cutting tool capable of reducing decline of rotation performance of a glass cutter wheel, and thereby improving yield of a scribe-break process.SOLUTION: A glass cutting tool includes a wheel holder 2, and a glass cutter wheel 3 mounted rotatably through a pin on the wheel holder 2. In the wheel holder 2, at least both-side wall surfaces 22b which may have a contact with a side face of the glass cutter wheel 3 are formed of a self-lubricating member 22d having a self-lubricating property.SELECTED DRAWING: Figure 2 |
