A device for cut openings spaced of a random manner in the smooth tubes to the inside and / or to the outside or provided with transverse corrugations on the inside and / or on the carton and on the supply tube provided with openings thus die cut

摘要

P the present invention relates to a device for cutting out of the openings spaced apart along the spacings adjusted in any manner in the smooth tubes to the inside and / or to the outside or of the tubes provided with corrugations to the inside and / or to the outside, and in particular, to cut a single one of the walls in the tubes with a double wall. This device is characterized by the fact that, at the interior of the tube 2 or to the outside of the tube 1 is provided at least one knife 10 and that, under the effect of a mobile device for guiding the displacement of which is triggered by a signal, the knife 10 and the wall of the tube are brought together in a contact in which said blade notch the wall of the tubing. / p