FORMING ROLL FOR CORRUGATE FIN FOR HEAT EXCHANGER, AND CORRUGATE FIN

摘要

PROBLEM TO BE SOLVED: To provide a roll for forming corrugate fins having louvers in which the angle of inclination of a single-cut louver 7 is set to be identical to the angle of inclination of double-cut louver 8.;SOLUTION: The section of a first single blade 4 is formed in a ridge-shape, and a top 14 of the ridge is protruded by the distance larger than the radius of a form blade 6.;COPYRIGHT: (C)2002,JPO