Preform and resin container

Preform and resin container

  • CN 105,073,383 A
  • Filed: 06/24/2013
  • Published: 11/18/2015
  • Est. Priority Date: 03/27/2013
  • Status: Active Application
First Claim
Patent Images

1. a preform, is characterized in that,Described preform possesses:

  • Preform main body, it is the cylindrical shape grown vertically, extended by twin shaft by blow molding method and become the container body of resin container, set the wall thickness of axial substantial middle part as t1, establish the wall thickness of axial two end portions to be respectively t2, t3 time, meet following relational expression;

    1.5<

    (t1/t2)<

    2.51.2<

    (t1/t3)<

    3.0Wall thickness from this middle body to this two end portions reduces gradually along with towards this each end portion;

    AndTwo oral areas, they are formed at the length direction both sides of described preform main body.

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