a process and a device for the manufacture of hollow plastic bodies , particularly of plastic bottles , in which plastic molding blanks are guided , by means of a shuttle system with at least one guide rail , through a tempering station , and are brought to a temperature which is suitable for extension blowing , whereby the plastic molding blanks are turned in their spatial orientation , by means of the shuttle system , through the twisting or curving of the at least one guide rail along the transport path .