A packaging system for causing articles M to fall downward along a predetermined falling route A and filling the articles M into a tubular film F. The packaging system is provided with an auxiliary device 205 operating on the falling route A at predetermined timing and facilitating or improving the flow...http://www.google.es/patents/US6460312?utm_source=gb-gplus-sharePatente US6460312 - Packaging system with improved flow of articles
