| 摘要 |
<p>This invention relates to an apparatus for conveying solid and/or fluid material such as sand, pebbles, bricks, grain, etc. in any direction within a certain degree of the angle of the tube without using any additional apparatus, which can be installed even in narrow spaces such as an indoor area. The apparatus of this invention comprises a flexible outer tube (2A) fixed at the main body (10) of a driving means (1); a flexible inner tube (2B) having a helical blade (2B') on its inside wall and being rotatory within said outer tube (2A); and a driving means (1) to rotate said inner tube (2B).</p> |
