To provide a device, in which a catching hole having a necessarily enough large size for securing a binding material is easily obtained.
This catching hole device relates to a flat file, in which a pair of two sets of catching holes 7 and insertingly passing holes 8 are provided in a tucked piece 3 provided protrudingly inside a cover body A so as to secure securing pieces 5a provided at a base to rectangular catching holes 7 in order to assemble a paper-pressing piece 6 at the tip, which is insertingly passed in each of the insertingly passing holes 8, of a band-like resin binding material 5, under the condition that the catching holes 7 are so constituted as to pile up rectangular holes 7a and 7a, which are respectively provided so as to be positionally shifted in the longitudinal direction of a pair of overlapped part pieces 3a, 3a consisting of the tucked piece 3.
| JPS5567497 | FILE |
INOUE HIDENORI
WAKABAYASHI MITSURU
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