| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a storing bag for concrete raw materials which is capable of storing water in accordance with the amount of a cement and aggregates, and manufacturing a ready-mixed concrete without any complicated management such as adjustment of the amount of water only by carrying the bag to a site when it is used, and the concrete raw materials. <P>SOLUTION: The storing bag for the concrete raw materials comprises a waterproof bag capable of storing the cement, the aggregates and water, and an attachable/detachable holder capable of partitioning the bag into a storing part of the cement and the aggregates and a storing part of water by pressing the waterproof bag from an outer peripheral part thereof. <P>COPYRIGHT: (C)2007,JPO&INPIT |
