| 摘要 |
PURPOSE: A tip fixing holder integrated with a polishing tip is provided to prevent scratches on concrete floor caused by swirling mark of plastic melting by polishing heat. CONSTITUTION: A tip fixing holder(10a) comprises a polishing tip(20) and a tip supporting part(11). The polishing tip is integrally press-molded out of a high heat-resistance resin material into the tip fixing holder. The end of the tip supporting part is ground into particles, not melting by polishing heat, and polishes concrete floor with the polishing tip. |
