| 摘要 |
PROBLEM TO BE SOLVED: To surely prevent a roll from popping out of a housing box with fixing pieces provided inside the housing box. SOLUTION: A reinforcement plate 6 which can be folded onto the inner surface of a front plate 2 is continuously provided to the upper edge of the front plate 2 vertically provided from a bottom plate 1. A first fixing piece 7 extending in the width direction of the reinforcement plate 6 is continuously provided to the end edge of the reinforcement plate 6 via a fold line s. A connecting piece 3p is continuously provided to a side edge of a back plate 3 vertically provided from the bottom plate 1. A second fixing piece 8 extending in the width direction of the back plate 3 is continuously provided to the connecting piece 3p via the fold line s. The first fixing piece 7 and the second fixing piece 8 stand up so as to face each other inside a housing portion when a roll R almost pops out of the accommodating box, lower edges of both the fixing pieces 7 and 8 contact to the upper side of the outer circumference surface of the end of the roll R. The contact force of the roll R is dispersed to both the fixing pieces 7 and 8, hardly causing a strength reduction at the base of both the fixing pieces 7 and 8 by repeating contacts, surely preventing the roll R from popping out of the box. COPYRIGHT: (C)2011,JPO&INPIT
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