Inventors:
Dean Cunningham - Mattoon IL
Ralph Goeckner - Effingham IL
Marlin Alwardt - Effingham IL
Leon Wohltman - Teutopolis IL
Assignee:
Fedders Corporation - Edison NJ
International Classification:
B21D 5302
B23P 1526
Abstract:
An improved device for forming finned heat transfer tubes using a fin structure winding device for winding a fin structure onto a conduit, a coil winder device for winding the finished finned heat transfer tubing into a coil, and at least two substantially parallel and coextensive tubing support means operable to support rotatably a piece of the finned tubing during the winding of the fin structure onto the conduit, and simultaneously to deliver a finished piece of finned heat transfer tubing to the coil winder.