BANTILLFORSELANORDNING FOR EN FORPACKNINGSMASKIN FOR FRAMSTELLNING AV FORPACKNINGAR AV TVA OMSLAGSMATERIALBANOR

摘要

The present drive mechanism provides especially for a packaging machine a non-uniform drive speed for producing packings from a pair of webs of packing material drawn respectively from a pair of supply rolls. The drive motor for the feed advance of said webs of packing material is switched off, preferably when the gear means of the drive mechanism reach the greatest speed ratio. The packing tools are switched on when the drive motor is switched off and vice versa.