Injection tube for soil strengthening products
The invention relates to tubes used for strengthening soils by the injection under pressure of a solidifying product. The tube 1 comprises at its ends 4 and 5 an assembly system and, between them, one or more caps 2 and 3 serving as a valve. The cap is obtained directly in the tube by thinning 7 the wall and breaks under the effect of the pressure inside the tube. <IMAGE>