Patent ID: 7959850

Claim:
Method for blow molding containers, in which a preform is stretched inside a blow mold by a stretch rod after thermal conditioning and is reshaped into the container by the action of blowing pressure, and in which pressurized gas is fed into the container through the stretch rod for molding the container, wherein the pressurized gas is introduced laterally into an interior space ( 50 ) in the stretch rod ( 11 ) from a pressure chamber ( 54 ), wherein the stretch rod has at least one port, the method including positioning the stretch rod so that the stretch rod extends through the pressure chamber and the at least one port is located within the pressure chamber, positioning the stretch rod in a position in which the at least one port is located outside of the pressure chamber, wherein the blow mold, the pressure chamber and the stretch rod are arranged in region of a blowing station, the stretch rod being movable relative to the blowing station and the pressure chamber being fixed relative to the blowing station.