| 摘要 |
PROBLEM TO BE SOLVED: To surely perform pitch-squeezing of corrugated fin material in regard to a corrugated fin manufacturing apparatus manufacturing a corrugated fin used for a heat exchanger such as a radiator and the like. SOLUTION: A pitch-squeezing unit is provided with a cylindrical pushing member 41, in which the outer periphery is brought into contact with a top portion of corrugated material 23 that is freely rotated around a axis line 51 parallel to the top portion of the corrugated fin material 23, a supporting means 53 supporting the pushing member 41, and an urging means 71 urging the pushing member 41 toward the top portion of the corrugated fin material 23.
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