| 摘要 |
The invention relates to an injection device (1) comprising an injector (3) with a tank (31, 8) of a curable substance in a hollow body (30), a head (32) bearing on the surface (2) in order to create a sealed repair area about said defect, a first means for generating an at least partial air vacuum in the repair area and second means for generating an injection pressure of the curable substance into the defect, characterised in that the injector (3) includes, at a distance from the head (32), a connection bit (33) connected to a vacuum and a pressure generator controlled by a driving unit, and in that the injector (3) includes in its body (30) ducts respectively defining a depression circuit, a pressure circuit and an injection circuit. |
