an open mouth 46 if desired the preform has a threaded neck portion 48 and an outwardly extending flange 50 which aids in seating the preform 36 in the blow mold 38 the blow mold 38 is closed on the preform firmly seating the preform in the blow mold stretch rod 52 is positioned within the preform and blow nozzle 54 is placed above the preform engaging open mouth 46 if desired the blow nozzle 54 may include downwardly extending flange 56 which is moved into engagement with the outside of neck portion 44 in accordance with conventional procedure stretch rod 52 is preferably fully extended in the clamped preform to extend the preform to the base of the blow mold to provide an extended preform high pressure air is then introduced into the extended preform from blow nozzle 54 from a high pressure air source not shown to expand or stretch the extended preform into conformity with blow mold cavity 58 and form blow molded container 20 shown in phantom in fig4 desirably biaxially oriented 0038 fig5 is a side view of the filling station wherein container 20 is filled with contents 34 via filling nozzle 60 which fills container 20 through the mouth 28 and straight neck 22 in a conventional manner filling nozzle 60 is connected.