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    • 8. 发明申请
    • FILE
    • 文件
    • US20090058069A1
    • 2009-03-05
    • US12202503
    • 2008-09-02
    • Kanji TANAKAYoshiteru ARIMOTOMitsunori MAEDA
    • Kanji TANAKAYoshiteru ARIMOTOMitsunori MAEDA
    • B42D1/04
    • B42D3/00B42D1/08
    • The file includes a binding body which is superimposed with a plurality of binding sheets, a curved retaining portion which is curved toward the direction of the pocket sheets as the binding body extending when opened the cover, a curved subsidiary portion which fixes its back into an optional form; the binding body is adjacently provided to the curved retaining portion by forming an arch-shape toward the direction of a front cover portion and back cover portion extending from the inner side of the spine portion and the curved retaining portion is connected with the width shorter than the width of the spine portion to the inner side of the curved subsidiary portion at the outer side of the curved retaining portion to enable the end edge adjacently provided on the binding body to curve.
    • 所述文件包括与多个装订纸叠合的装订本体,当打开所述封盖时所述装订体延伸时,弯曲的保持部分朝向所述袋状物的方向弯曲,弯曲的辅助部分将其背面固定到 可选形式; 通过向前盖部分的方向形成拱形并且从脊部部分的内侧延伸的后盖部分将弯曲的保持部分相邻地设置到弯曲的保持部分,并且弯曲的保持部分的宽度比 在弯曲保持部分的外侧的脊部分到弯曲辅助部分的内侧的宽度,使得能够相对地设置在装订体上的端部边缘弯曲。