<p>A brush roll (6) is manufactured by preparing in advance annular brush holding members (1) having brush pieces (2) embedded at equal intervals in the circumferential direction, then fitting and affixing the brush holding members (1) on a roll barrel member (5) offset in the circumferential direction position so that the brush pieces (2) continuing in the axis direction of the roll barrel member (5) are arranged in helixes.</p>
