| 摘要 |
PROBLEM TO BE SOLVED: To provide a roller brush with a structure free of projected and recessed part in seam parts of a plane brush material, regarding a roller brush for coating corner parts and suitable for coating parts recessed at right angles just like the corner parts of a building. SOLUTION: This roller brush comprises a supporting axis joined to a grip and inserted into the rotary center of a roller 1 with a shape just like a bead on an abacus and a plane brush material 3 just like a fur put and fixed on the outer face of the roller 1. In the roller brush, the outer circumferential projected end of the roller 1 with the bead-like shape is cut off to form a recessed groove 2 and the seam 4 of the plane brush material is housed in the recessed groove.
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