| 摘要 |
PROBLEM TO BE SOLVED: To provide injection equipment which prevents the clogging of a piping system, and which enables efficient and inexpensive injection work. SOLUTION: This injection equipment is equipped with a primary mixer 21 and a secondary mixer 20; an injection pipe 11 which is arranged in an injection hole 50, and a grout passage 10 which is arranged in such a manner that grout can be circulated between the secondary mixer 20 and the injection pipe 11. The injection pipe 11 comprises an injection port for injecting the grout into the injection hole 50, a feed part 14 for guiding the grout to the injection port, and a return part 15 for returning the unnecessary grout from the grout guided to the injection port. COPYRIGHT: (C)2007,JPO&INPIT
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