The invention relates to a method and a device for producing a hollow body, especially a heat-resistant hollow body, which is shaped from a heated preform from a thermoplastic material in a contoured blow mold. For this purpose, a first medium is fed to the preform, said medium being stored in a first medium reservoir and being subject to a pressure p1 (pre-blow phase). At approximately the same time the hollow body is stretched by means of a stretching rod and a second medium is fed to the hollow body, said medium being stored in a second medium reservoir and having a pressure p2 which is higher than p1 (final blow phase). The hollow body is shaped by said second medium and cooled by a third medium which is stored in a third medium reservoir (rinse phase). The pre-blow medium is maintained at a pressure of 2-20 bar, the final blow medium at a pressure of 15-45 bar and the cooling medium at a pressure of 30-45 bar. |