Device for helically coiling pressure vessel shells
Device for making springs from wire
Device for the bending of springs for spring interior mattresses
Digital control spring forming machine
Disc roller mechanism for forming helical shapes
Fabrication of helically-wound spirals for metal wire belts
Forming device to be practiced in coil spring forming machine an
Inductor winding apparatus and method
Machine for the manufacture of axially prestressed coils from st
Machines for the manufacture of springs fitted with eyelets or h
Mechanism for forming spring pitch
Mechanism for preliminary anchoring of a wire rope bolt
Method and an apparatus for producing a coiled spring
Method and apparatus for forming a barrel coil spring
Method and apparatus for forming a pig tail end on a coil spring
Method and apparatus for forming a row of spring coils from a co
Method and apparatus for forming a wound core
Method and apparatus for linear spring
Method and apparatus for making double-coned coil springs
Method and apparatus for making elongated flat wire coils