| 摘要 |
<p>Holes in floorings are filled with 2-component resin, using a tube which is inserted in a bore hole in the flooring. There is a seal between tube and bore hole. The tube consists of (a) a tubular end piece with flanges at each end; (b) a pressure tube in the end piece with resin supply and shut-off valve at the top end; a tensioning eccentric cooperating with the upper flange of end piece; and an injection tube at the lower end; and (c) cylindrical sealing element on the injection tube held by a nut, immediately below the lower flange of the end piece.</p> |
