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Inflatable bag

  • US 4,164,970 A
  • Filed: 05/25/1977
  • Issued: 08/21/1979
  • Est. Priority Date: 05/25/1977
  • Status: Expired due to Term
First Claim
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1. An inflatable container, comprising an inflatable peripheral side wall of flexible sheet material, a plurality of inflatable cells in said peripheral side wall, and closure means to close at least one end of said peripheral side wall to form a container having a cavity bounded by said inflatable peripheral side wall and said closure means, wherein said inflatable peripheral side wall includes a first pair of opposite edges which are substantially parallel to each other when said side wall is unflexed, a second pair of opposite edges which are substantially parallel to each other and substantially normal to said first pair of opposite edges when said side wall is unflexed, said first pair of opposite edges being joined to encircle said cavity within said peripheral side wall, said closure means being formed by bonding together in an airtight and watertight seal at least one of said second pair of opposite edges to form said container into a tote bag, wherein said container includes an access opening for entry into said cavity, said inflatable cells in said peripheral side wall are closely adjacent each other to provide a substantially continuous insulated peripheral wall when inflated with air, said cavity being both watertight and insulated against heat transfer into and out of said cavity when said peripheral side wall is so inflated.

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