Heat exchanger tube for car radiator comprises metal strip which has external layer of brazing and is bent inwards to form tube with side walls whose ends rest against inner surface of sheet and have brazed coating

摘要

The heat exchanger tube for a car radiator comprises a metal strip which has an external layer (31) of brazing. The strip is bent inwards to form a tube with side walls (28) whose ends rest against the inner surface (34) of the sheet. The ends (32) of the side walls have a brazed coating (33).