PLATTEN/RIPPEN-RADIATOR UND VERFAHREN ZU SEINER HERSTELLUNG

摘要

A radiator formed by spaced plates 1 penetrated by tubes 2 has improved heat conduction between the plates and the tubes by forming the plates with flanges 3 which are bonded to the tubes, the flanges being formed on the plates by deflection of plate material originally lying across the holes through which the tubes penetrate and deflected through a maximum angle of 90 DEG . In the method aspect of the invention, the holes are formed by blanking and not solely by bursting. <IMAGE>