| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a grain storage bag capable of self-supporting and being folded into a compact size with a support attached thereon. <P>SOLUTION: The self-supporting grain storage bag includes a square columnar bag body having a bottom and an opened upper surface, a crossing rod provided on a pair of opposed side surfaces of the bag body in a diagonally crossing manner, a rod holding body for holding a crossing part of the crossing rod, a lateral rod disposed in the vicinity of an upper end of a pair of side surfaces on a side different from the side surface having the crossing rod, and a longitudinal rod provided at sides of four corners of the bag body. The respective side surfaces are maintained in plane forms by the rods, and the bag body is self-supported. At this time, the crossing rod is provided on the opposed side surfaces, the lateral rod is provided at the inner side of the upper end of the side surface, and the longitudinal rod is disposed at the outer side of the longitudinal side of the bag body. The bag body is formed into an almost cubic shape of which the sides have almost the same lengths. <P>COPYRIGHT: (C)2013,JPO&INPIT |
