To inexpensively perform production and operation, to enhance positioning accuracy and to generate constant tensile force.

A machine for treating a web like material 4, especially, a web drawing-in apparatus 2 for a web rotary press is equipped with a guide rail 20 and a pulling device 22 is guided so as to be movable in the longitudinal direction of the guide rail 20. The driving of pulling device 22 is performed by an electromotive linear motor which is arranged to the guide rail 20 and constituted of an electromagnet 36 equipped with a coil 38, the permanent magnets 40a, 40b arranged to the pulling device 22 and the electrode plate 44 brindging the permanent magnets.