| 摘要 |
PROBLEM TO BE SOLVED: To surely prevent the pullout of a filling material for fixing bristle bundles to a base board provided in the tip side of a handle. SOLUTION: In this manufacturing method for the brush 10, after an erecting wall 15 of a rear surface filling recess part 16 in the base board 11 is fallen and deformed toward the inside of the recess part 16 by thermal contraction in molding the base board 11, the rear surface filling recess part 16 is filled with the filling material 19. COPYRIGHT: (C)2003,JPO
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