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BELTED PREFORMS

  • US 3,823,818 A
  • Filed: 01/24/1972
  • Issued: 07/16/1974
  • Est. Priority Date: 01/24/1972
  • Status: Expired due to Term
First Claim
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1. As an article of manufacture, belted preforms comprising a belt carrying synthetic plastic preforms hygroscopic in nature for use in blow molding plastic containers, said preforms having molded finishes formed adjacent one end and being situated at longitudinally spaced locations along the lengtH of said belt with their longitudinal axes substantially parallel to the surface of said belt, said belt comprising a pair of synthetic plastic webs bonded together in the interval between adjacent preforms and forming a retaining loop around each of said preforms, said belted preforms being wound on a reel and disposed in a hermetically sealed container to limit moisture from being absorbed by the synthetic plastic preforms thereby minimizing the formation of bubbles causes by any moisture present when the preforms are reheated for blow molding.

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