| 摘要 |
A thermoplastic, generally tubular parison for the blow molding of a thermoplastic container and a method and apparatus for same. The parison includes a finish or neck having a single helical thread extending less than 360 DEG about the circumference of the finish. The radius of the parison at any point on the outside surface is less than the radius through the crest of the helical thread, whereby the parison can be injection molded in an injection molding apparatus with an injection mold comprising all axially movable mold sections.
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