Daikin industries, ltd. (20250012517). METHOD FOR MANUFACTURING FIN
METHOD FOR MANUFACTURING FIN
Organization Name
Inventor(s)
Masahiro Tsutsui of Osaka (JP)
Yoshihiro Tsutsumi of Osaka (JP)
Motofumi Shimizu of Osaka (JP)
Takayuki Takahashi of Osaka (JP)
METHOD FOR MANUFACTURING FIN
This abstract first appeared for US patent application 20250012517 titled 'METHOD FOR MANUFACTURING FIN
Original Abstract Submitted
a method for manufacturing a fin for a heat exchanger includes a waffle forming step of forming a waffle portion and a plate-shaped portion around the waffle portion in a plate-shaped fin material, a cutting step of forming a continuous portion continuous with the plate-shaped portion and a fin slit configured to receive a flat tube in a side of the plate-shaped portion of the plate-shaped fin material, and a drawing step of forming a drawn portion protruding with respect to the continuous portion in the continuous portion.