Tab for an automotive heat exchanger

摘要

A tab for joining together a plurality of adjacent, contiguous plate menders of a plate tube heat exchanger is disclosed. The tab comprises a generally planar web interconnecting adjacent plates. The web includes a first edge having a plurality of recesses disposed at predetermined locations therealong and a second edge having a plurality of recesses disposed opposite the plurality of recesses along the first edge. The plurality of recesses define first and second bend zones which provide proper plate-to-plate contact when forming the plate tubes as well as proper fin height spacing between adjacent pairs of plate tubes.