Thermal and moisture resistant insulative sheet

  • US 6,514,596 B1
  • Filed: 04/27/2000
  • Issued: 02/04/2003
  • Est. Priority Date: 04/27/2000
  • Status: Expired due to Term
First Claim
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1. A composite bubble-pack assembly comprising(i) a first bubble pack having a first thermoplastic film having a plurality of portions wherein each of said portions defines a cavity and a second thermoplastic film in sealed engagement with said first film to provide a plurality of closed said cavities;

  • (ii) a second bubble-pack having a third thermoplastic film having a plurality of portions wherein each of said portions defines a cavity and a fourth thermoplastic film in sealed engagement with said third film to provide a plurality of closed said cavities; and

    (iii) a film selected from a thin foil of metal or a metallized thermoplastic film interposed between and bonded to said first bubble-pack and said second bubble-pack.

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