| 摘要 |
PROBLEM TO BE SOLVED: To provide a brush for primer coating for a building and civil engineering work capable of coating the whole inner side face of a joint simultaneously, with a long coating length, without coating unevenness, uniformly and finely by one coating. SOLUTION: The brush for the primer coating for the building and the civil engineering comprises a bristle part 1 and a handle part 2. The bristle part includes a core material portion 3 and an aggregate portion 4 of bristles. This bristle part has at least the bristles provided so as to be roughly perpendicular to the core material portion and face both sides of the core material portion. COPYRIGHT: (C)2006,JPO&NCIPI
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