| 摘要 |
PROBLEM TO BE SOLVED: To provide a channel brush which is formed by using a heat-weldable brush bristle, or a heat-weldable brush bristle bundle and is hard to slip off the brush bristle. SOLUTION: A plurality of the brush bristles 13 are heat-weldable, and a plurality of the brush bristles 13 are heat-welded and implanted in a groove 12 of a long-size channel 11. A plurality of the bristles 13 are formed into a continuity in the longitudinal direction while protruding from the open surface of the groove 12. COPYRIGHT: (C)2007,JPO&INPIT
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