METHOD FOR CONFORMING A TUBE ESPECIALLY FOR HEAT EXCHANGER AND HEAT EXCHANGER WITH TUBES SO COMPLIANT

摘要

P METHOD FOR CONFORMING IN FOLLOWING A CIRCULAR SECTION THE END OF AN OBLONGED SECTION TUBE, PARTICULARLY OVAL, FOR A HEAT EXCHANGER SUCH AS A COOLING RADIATOR OF A MOTOR VEHICLE ENGINE OR A HEAT EXCHANGER OF AN INSTALLATION METHOD FOR HEATING AND / OR AIR CONDITIONING OF SUCH A VEHICLE. / P P THE METHOD IS CARRIED OUT IN TWO STEPS, ONE IN WHICH THE END OF THE TUBE IS SUBJECTED TO RADIAL COMPRESSION F, F AND THE OTHERWISE IN WHICH A PUNCH IS PRESSED FORCE IN THAT END, ITS DIAMETER ALSO EQUAL TO THAT DESIRED FOR THE INTERNAL SURFACE OF THE END OF THE TUBE. / P