Injection device and grouting of grouting material

摘要

Topic The inner tube is interposed easily into the outer tube, the grouting material is injected securely in ground. SolutionsIn Tip 2f of outer tube 2, reversal component 8 is provided. Wire rod 9, reversing with reversal component 8, the Interpolation passing duplex into outer tube 2, it makes expose from the rear end opening of outer tube 2. In order for the rear end opening of outer tube 2 to expose, after embedding outer tube 2 in ground, on the one hand the exposure part is locked in Tip 3f of inner tube 3 among the exposure parts of wire rod 9, the relation tool with the engagement of the ring 10 which is provided in Tip 3f of 11 which is provided in on the one hand the exposure part and inner tube 3. Inner tube 3 from the rear end opening of outer tube 2 is interposed inside by pulling the other exposure part of wire rod 9. Choice figure Drawing 1