Apparatus for preparing hollow plastic article

Apparatus for forming hollow plastic articles which comprises:

• a blow mold for forming a hollow plastic article from a parison including at least two relatively reciprocable mold portions movable from an open position to a closed position;
• holding means for holding the parison within the blow mold including channel means within the holding means communicating with the parison permitting the introduction of high pressure fluid into the parison to expand the parison into conformance with the blow mold, said holding means also including a mandrel supporting the parison and engageable with the parison;
• first alignment means to align the holding means with the blow mold;
• second alignment means in fixed relationship to the blow mold in the mold closed position to align the parison with the mandrel and the blow mold;
• a blow nozzle engageable with the holding means in the mold closed position for the introduction of high pressure fluid into the parison;
• and wherein the second alignment means contacts the holding means and clamps the holding means to the second alignment means upon engagement of the blow nozzle with the holding means.