| 摘要 |
PROBLEM TO BE SOLVED: To easily manufacture a prepreg of high quality, to which not only a resin powder but also foreign matter other than the resin powder do not adhere, in a good yield. SOLUTION: A prepreg sheet 12, which is obtained by impregnating a base material with thermosetting resin varnish and drying the impregnated base material before cutting the same into a required size, is passed through the nip between a pair of suction rotary rollers 13a and 13b having a large number of suction holes provided to the body parts thereof to suck and remove the foreign matter bonded to the prepreg sheet 12. |
