| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat exchanger capable of ensuring a stable connection state between a connector and a header tank even when the connector is connected to the header tank by welding, and capable of ensuring airtightness of the header tank, and a manufacturing method thereof.SOLUTION: Among contact portions 63, 73 with a tank outer shell member 41 in respective connector 6, 7, a portion having a smaller thickness and separated from an outer peripheral edge part 412 of the tank outer shell member 41 connected to an outer edge part 422 of a plate member 42 is connected to the tank outer shell member 41 by welding.SELECTED DRAWING: Figure 8 |
