Machines for processing cardboard articles and packaging; printing, punching and break-through machines for the manufacture of boxes, collapsible boxes, envelopes and similar packages as well as cut pieces therefor; machines for the manufacture of collapsible boxes and cut pieces therefor; parts for the aforesaid machines; break-out moulds and break-out tools (being parts of machines); break-out elements (being parts of machines), including break-out pins, holders and spring tongues of metal ...