| 摘要 |
PROBLEM TO BE SOLVED: To provide a brush which has a lightweight structure of a brush mounting section formed by integral combination of a material lighter than metal and metal, is scratch resistant even if the brushes rub against each other during transportation, does not deteriorate even if it is exposed to the direct sunlight or receives wind and is easily maintained. SOLUTION: The brush has a brush mounting section 11a whose outer section is formed from a metal tube 12 and the inside of the metal tube 12 is formed from a resin or carbon (core member) 22, and the brush mounting section 11a can be attached with a mass of brush members (brush bristles) 1. COPYRIGHT: (C)2006,JPO&NCIPI
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