| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a corrugated fin and a heat exchanger including the same capable of ensuring preventing unexpected portions from being bent during manufacturing, and realizing improvement in product accuracy and facilitation of manufacturing.SOLUTION: In a corrugated fin 5 for a heat exchanger in which flat plate portions 5a and junction portions 5b are alternately bent into corrugated shapes, each of the flat plate portions 5a include, on a surface thereof, groove-shaped concave portions 13 or stripe-shaped convex portions 14 extending obliquely with respect to a pair of sides 11 and 11', and a flat portions provided between the adjacent groove-shaped concave portions 13 or stripe-shaped convex portions 14, and include at least one concave portion 16 or one convex portion 18 on an arbitrary cut surface in a direction in which the pair of sides 11 and 11' are arranged and a direction in which a pair of end sides 12 and 12' are arranged.</p> |
