Patent ID: 7121329

Claim:
A heat exchanger having a plurality of tubes, each of the tubes having an open end, the heat exchanger comprising: a tank having a flange that extends around an periphery of an open end of the tank, the flange having a plurality of spaced openings; and a header supporting the open ends of the tubes and including a plurality of tabs extending from an outer periphery of the header, the tabs passing through the openings and bent to a position overlying the flange to prevent removal of the tank from the header; wherein the tabs are T-shaped, each of the T-shaped tabs has an upright part extending from the outer periphery of the header and a top bar connected with the upright part, the openings in the tank sized to allow passage of the top bars therethrough, with the T-shaped tabs passing through the openings in the tank, the top bars are bent to a position overlying the flange of the tank to prevent removal of the tank from the header.