The invention relates to a process for production of a container by blowing or blowing-stretching within a production unit comprising a mold and a nozzle which is designed to close the mold hermetically. The process comprises a sequence of forming with a blowing phase and a phase of degassing. The degassing phase comprises spacing the nozzle from the mold in order to interrupt the hermetic closure. The spacing of the is nozzle carried out (i) after the beginning of the degassing phase, when the pressure in the interior of the container has dropped and has reached an intermediate pressure which is lower than the pressure at the end of the forming sequence, and is between 14 and 3 bars or (ii) after completion of the blowing phase, and within an interval of time of between 0 and 200 ms after the stoppage of the injection of gas into the container.