Method and apparatus for making pipe flanges

Method and apparatus for producing wound coils

Method and apparatus for the manufacture of reinforcement spiral

Method and apparatus for the production of prestressed coil spri

Method and apparatus for winding metal wires around a reel struc

Method for making coiled springs

Method for producing an inclined helical spring

Method for the manufacturing of a fluid conduit,...

Method of and apparatus for producing coil springs with eyelets

Method of and device for manufacturing curved helical springs

Method of continuously and controlledly varying the initial...

Method of forming a coil spring

Method of forming an edgewise wound core

Method of forming helical springs

Method of making a coil spring

Method of making a coil spring and apparatus therefor

Method of manufacturing a coil spring having an oblique and...

Method of manufacturing stator core

Method of manufacturing tangential expanders for oil control pis

Method of supporting a camshaft in a wire coiling machine