| 摘要 |
The apparatus made for the rotatory and vertical motion of injection tube, comprises 2 parts; one is composed of an injection nozzle(2) for hardener in the lower wall of the injection tube(1), a control valve(3) injecting the hardener radially and downwardly by means of the pressure and a cutting bit(5), and the other is composed of an ingate(4) for the hardener connected to the hardener pump, a motor(9) fixed on the baseplate(10) and an automatic transmission mechanism(6) operated by an oil pump(8) and oil tank(7).
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