摘要 |
PROBLEM TO BE SOLVED: To provide an attachment structure of a support material of a heat exchanger capable of being manufactured with a smaller number of components, facilitating forming the respective components, and keeping balance.SOLUTION: A cushion material 8 is inserted into an enlarged portion 7 of a through hole 6 of a resin tank 4, one end of the cushion material 8 abuts on a stepped part 7a, and a metallic tube 9 is inserted into the cushion material 8. A bolt insertion portion 11 of a support material 5 is aligned with the metal tube 9, a bolt 12 is inserted into the bolt insertion portion 11 and the metal tube 9, and a nut 13 is attached to the bolt 12. |