Patent ID: 8104669

Claim:
A file folder, comprising: a) a first panel having a common edge and an inner facing wall; b) a second panel having a common edge and a inner facing wall; c) a first exterior web having a plurality of adjacent accordion peaks and valleys joining said panels proximate said common edge, to create a spine between said panels; d) at least one insert panel having a common edge and two sides, said insert element being affixed at said common edge to said spine at least one of said valleys; e) a second interior flexible web extending from and affixed to said one side of said insert panel and overlying said exterior web and all peaks and valleys between said insert panel and an inner facing wall of an adjacent panel f) a third interior flexible web extending from and affixed to the other side of said insert element and then overlying said exterior web and any peaks and valleys between said insert panel and the adjacent panel whereby said insert panel is securely bonded to said second web and the spine proximate the bottom of said valleys.