Machine and method for making concrete reinforcing bars

Machine for manufacturing herringbone-pleated structures

Manufacturing apparatus of a corrugated fin and method of manufa

Metal forming method and apparatus

Method and apparatus for forming clips

Method and apparatus for forming sinuous lead wire

Method and apparatus for making an improved serrated grating bar

Method and apparatus for producing serrated metal bars

Method and apparatus for roll forming convoluted springs

Method and apparatus for rolling concrete reinforcing elements

Method for producing I-beam having centrally corrugated web

Method for the zigzag-like folding of a strip-like foil

Method of machining an oblong workpiece and a machine for perfor

Method of producing corrugated fins

Method of producing improved serrated flats used in the manufact

Method of producing sheet or plate from rolling stock