| 摘要 |
PROBLEM TO BE SOLVED: To provide an adhesive injection pipe erected from a seat plate fixed to a crack in a proper space, into which a nozzle of an adhesive injector is inserted, maintaining the sealing of the injection nozzle and preventing the back flow of an adhesive by utilizing rubber elasticity. SOLUTION: A supporting portion of the adhesive injector is provided on a seat member or a pipe wall of the injection pipe and an annular member formed of an elastic material with a seal portion of the nozzle of the injector and a valve element arranged up and down is mounted into the pipe.
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