Radiator

Details Radiator Radiator

F - Mech Eng,Light,Heat,Weapons

28

F

257/23

F28F 9/02 (2006.01) F28D 1/053 (2006.01) F28F 9/18 (2006.01)

Patent

CA 1170250

ABSTRACT OF THE DISCLOSURE: A radiator having parallel flat tubes con- nected to header pipes for feed and return flow, each flat tube having two connection bores near the front end. To pressure weld the radiator, a U-shaped support part, having two bent ends-arranged coaxially with the two connection bores, is inserted into each flat tube. These ends prevent the flat tube from being pressed inwardly during pressure welding. The portion of the support part extending parallel with the end edge of the flat tube is welded to the tube end edge, so that the support part simultaneously also forms the end closure wall of the flat tube.

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