| 摘要 |
PROBLEM TO BE SOLVED: To eliminate an inconvenience of filling and taking out the fluid material for construction and an inconvenience of packing, shipping, transporting and storing in a packed state and simply with exploiting the advantage of a self-standing resistant container and economically perform the kneading work at site. SOLUTION: The self-standing resistant container is formed of a material holder part (a) formed of soft synthetic resin thin layer, a little thin-walled opening periphery part 1 formed of soft synthetic resin, and a circular cover part b formed of a soft resin synthetic thin layer.
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