Filling machines; packing machines, in particular for bulk material, liquids and pasty substances; machines for filling bags, in particular open bags or valve bags, in particular of paper or plastic, of foil, woven or non-woven (fleece), with bulk material; packaging machines [wrapping machines]; robot-controlled packaging machines; packaging apparatus [machines]; packaging units; machines for feeding empty bags onto bag filling machines; empty bag magazines as parts or accessories of bag filling machines; machines for attaching empty valve bags to valve bag filling machines; conveyor belts; conveyor units; conveying machines; conveyor system with holding devices for bags; machines and machine parts for tailoring and providing bags; robot mechanics for conveying; transport equipment (conveyors); machines and machine parts and accessories for filling machines [included in this class]; machines and machine parts and accessories for packaging machines [included in this class]; filling machines with one or more filling spouts as well as their parts and accessories, included in this class; filling machines with filling spouts arranged in lines; rotary filling machines; filling machines equipped with bulk material weighers; filling machines for liquids; machines and machine parts for closing open bags and machines and machine parts for closing valves on valve bags after filling; machines for producing open bags; machine parts for conveying and feeding bulk material to filling machines.;