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Paper cook pot

  • US 4,990,384 A
  • Filed: 04/14/1989
  • Issued: 02/05/1991
  • Est. Priority Date: 04/14/1989
  • Status: Expired due to Fees
First Claim
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1. A cook pot formed from a sheet having a thickness of 20-250 μ

  • m and comprising a fibrous web formed of a flame retardative polyimide or aromatic polyamide and a continuous water-impermeable surface layer of said polyimide or polyamide having a thickness of at least 3 μ

    m and integrally formed on at least the side of said web forming the interior surface of said cook pot, said continuous water-impermeable layer formed by calendering said web at a temperature and under a pressure sufficient to fuse said surface of said web, said cook pot having a bottom wall and a side wall extending upwardly about the periphery of said bottom wall.

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