SHEET OF MATERIAL WITH BEND-CONTROLLING STRUCTURES AND METHOD
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United States of America Patent
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N/A
Issued Date -
Jan 13, 2011
app pub date -
Feb 10, 2010
filing date -
Feb 10, 2009
priority date (Note) -
Abandoned
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Abstract
A two-dimensional sheet of material for bending along a bend line to form a three-dimensional article having a load-bearing bend line, the sheet including at least one bend-controlling displacement. The displacement includes a displaced portion displaced from the sheet of material in a thickness direction defined by a sheared face, the displaced portion further including a central portion extending along the bend line and opposing end portions at opposite ends of the central portion; and a stem portion interconnecting the displaced portion to the remainder of the sheet of material. The stem portion is located inwardly of the end portions and defined by opposing termini of the sheared face. In various aspects, the displacements are formed in opposite thickness directions and configured to promote bi-directional precision folding. Methods of forming and using the sheet of material are also described.
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