PROCEDIMENTO PER LA PRODUZIONE DI UNA CANNUCCIA, PER ASSORBIRE BEVANDE IN GENERE, PRESENTANTE UNA PLURALITA' DI CANALINI AFFIANCATI DI ASPIRAZIONE ED AVENTE UNA STRUTTURA SOSTANZIALMENTE APPIATTITA, E CANNUCCIA PERFEZIONATA, OTTENUTA MEDIANTE TALEPROCEDIMENTO

摘要

There is disclosed a method for making a straw, for sucking beverages in general, the straw being provided with a plurality of adjoining sucking small channels (2) and with longitudinal stiffening and reinforcing diaphgrams (10). The method essentially comprises the steps of extruding a suitable plastics material through a die having a plurality of extruding channels so spaced as to being adapted to form a corresponding plurality of liquid sucking channels. Downstream of the extruding machine a cutting device (6) is arranged which operates transversely with respect to the extruding direction, the cutting device being optionally followed by printing cylinders.