DISPOSITIVO DI GUIDA DI RAGGIO PER GUIDARE UN RAGGIO AVENTE RADIAZIONE RICCA DI ENERGIA

摘要

The beam guide has a chassis (8), a beam directing arrangement (10,12) for directing the beam relative to the chassis and a positioning arrangement (18,20) for positioning the beam directing arrangement relative to the chassis. The positioning arrangement has at least one linear drive for linear displacement of the beam directing arrangement. Independent claims are also included for the following: a perforation device for making openings in the peripheral surface of rod-shaped articles in the tobacco industry.