Patent ID: 7674039

Claim:
A vacuum storage bag comprising: a receptacle having an interior volume and a mouth, said receptacle comprising first and second walls having respective lower portions that bound said interior volume and respective upper portions that form said mouth; a valve assembly installed in an aperture in one of said first and second walls for evacuating air from said interior volume; a dual zipper comprising first and second mutually interlocked zipper parts joined at opposite ends of said zipper, said first zipper part comprising a first base strip and first and second closure profiles projecting from one side of said first base strip, said first and second closure profiles being parallel to and spaced apart from each other, and said second zipper part comprising a second base strip and third and fourth closure profiles projecting from one side of said second base strip, said third and fourth closure profiles being parallel to and spaced apart from each other and respectively interlockable with said first and second closure profiles to form first and second closures, wherein said first base strip is joined to said upper portion of said first wall in a first band-shaped zone of joinder, and said second base strip is joined to said upper portion of said second wall in a second band-shaped zone of joinder, each of said first and second band-shaped zones of joinder being approximately parallel to said interlocked closure profiles when said mouth is straight and said first and second closures are closed; and a flat valve having open and closed states and designed to remain closed when in said closed state while said interior volume of said receptacle is evacuated, said flat valve extending from a first side to a second side of said receptacle in a space between said first and second base strips and between said first and second closures and, in the closed state, blocking the passage of air through said flat valve, wherein said first base strip comprises a multiplicity of holes disposed between said first and second closures, said space being in flow communication with said interior volume via said holes during evacuation of said interior volume via said valve assembly.