| 摘要 |
PROBLEM TO BE SOLVED: To stably supply concrete without effect of a pulsation phenomenon of a concrete pump. SOLUTION: The connector 30 has one rotatably supported connecting shaft 31. Belt transmission mechanisms are provided on each end of the connecting shaft 31, and through the belt transmission mechanisms, the two squeeze type concrete pumps 10, 20 are connected to squeeze rollers 14, 24 with each of the phases shifted. COPYRIGHT: (C)2004,JPO
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