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RF energy sealable web of film

  • US 5,193,913 A
  • Filed: 02/04/1992
  • Issued: 03/16/1993
  • Est. Priority Date: 05/11/1989
  • Status: Expired due to Term
First Claim
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1. A two-layer web of film for manufacturing flexible, autoclavable containers, said web of film comprising:

  • a first layer of polyester;

    a second layer of polyvinyl chloride that does not include a diethylhexylphthalate plasticizer or epoxidized oil;

    the second layer having a greater thickness than the first layer that when radio frequency energy is applied to the second layer, the first layer is sealed to a second layer surface.

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