Centering device for injection hose of probe pipe, has hollow elements that are filled with filling material under high pressure so that filling material is injected from injection hose into bore hole
摘要
<p>The centering device has an opening that is formed in an injection hose (1). The hollow elements (5-8) are connected at ends of the injection hose. The filling material is filled into hollow elements through opening under high pressure and filling material is injected from injection hose into bore hole. The hollow elements are made of woven materials. The injection hose is pressed in the conical sleeve of the hollow element. A check valve is arranged in the conical sleeve.</p>
