The polyester container of rechargeable dress and produce its preform

The polyester container of rechargeable dress and produce its preform

  • CN 1,054,565 A
  • Filed: 12/25/1990
  • Published: 09/18/1991
  • Est. Priority Date: 03/05/1990
  • Status: Abandoned Application
First Claim
Patent Images

1. , one is used for the preform that blowing mould is made the container of rechargeable dress, described preform is the injection molded of being made by a kind of polyester, described preform has the slender body of a formation one container body, an and sealing at one end and relative end opens wide, described preform open end has a neck, described preform between described neck and the described slender body has a tapered wall thickness portion to form the shoulder of a container, described osed top one end is limited by a bottom, this bottom has an exterior semi-spherical surface usually, the reinforcement that a columned formation container bottom is arranged between described osed top one end and described preform body, the wall thickness of comparing this reinforcement with described preform body increases, by the improved preform in described bottom a hemispheric inside face is arranged usually also, the wall thickness of described bottom is towards described end attenuate gradually.

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