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Packaging material and a method for its manufacture

  • US 5,489,464 A
  • Filed: 04/18/1994
  • Issued: 02/06/1996
  • Est. Priority Date: 04/19/1993
  • Status: Expired due to Fees
First Claim
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1. A packaging material for a self-supporting packaging container wall comprising at least two flexible material layers each having a surface area, the two material layers being interconnected with one another in a pattern of sealings distributed over the surface area of the at least two material layers to define between the two material layers a plurality of connected cells, said cells being filled with gas under pressure and being arranged in adjacent groups, the adjacent groups of cells being offset with respect to one another to define fold lines between adjacent offset groups of cells.

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