Patent ID: 6562439
Filing Date: 2003-05-13
Classification: B32B,B65D,E04B,Y10T

Abstract:
A method for separating construction materials from underground soil, comprising placing a composite bubble-pack assembly between said construction materials and said underground soil,wherein said composite bubble-pack assembly comprises: (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.