Glass processing device and bottom machine therefor for manufacturing glass containers

A bottom machine for a glass processing device for manufacturing glass containers from a glass tube, comprising:

• one or a plurality of holding units for holding the glass container or the glass tube, with the holding units being mounted so as to rotate around their own axis and around an axis of rotation of the bottom machine in order to convey the glass container or the glass tube to various processing positions,
• a pressure source for supply of a gas flow,
• a duct system communicating with the pressure source for directing the gas flow to the holding units and for feeding the gas flow into the glass tube or into the glass container,
• wherein the duct system is free of gaps and the duct system has a free end and the holding unit can rotate relative to the free end.