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US 8,104,669 B2Granted
Strengthened folder with inserted elements and system for element interchangeability
AssigneeSmead Manufacturing Company
InventorsDuane Christensen, Michael Lasky
Life of this patent
Estimating the term…
Abstract
A folder system with an accordion spine 16, and a method of making same is disclosed. The folder may have a plurality of insert elements 52, 60 either at manufacture or by a stub system which are bound into the spine at the valleys 32 of the web which forms the spine. The web is made of outer zig-zag web 40, with the inner web 42, 44, 46 joining adjacent insert elements and the outer web, to create a strong spine of web and inserts.
Claims10
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.
4 more elements
A file folder, comprising:
- a) a first panel having a common edge;
- b) a second panel having a common edge;
- 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 element 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 element and then to at least a portion of said first web along at least one valley wall,
- f) a third interior flexible web extending from and affixed to the other side of said insert element and then to at least a portion of said first web along at least one valley wall,
- whereby said insert element is securely bonded to said second web and the spine proximate the bottom of one of said valleys;
- g) a second insert panel in located in another valley of said spine, and wherein said second web material is affixed at one end to the first insert panel and at the other end at the second insert panel, with the remainder of the web between said ends being affixed to the first web material and;
- wherein said adhesion region includes releasable and re-usable adhesive, so that the user may swap insert panels at will.
6 more elements
Dependencies are inferred from the claim text.