| 摘要 |
PURPOSE:To provide a culvert drainpipe which effectively utilizes waste tyres again, by a method wherein the waste tyres, crushed into grain having a specified average grain size, are adhered together and formed into a given shape. CONSTITUTION:Waste tyres are crushed into grains 2, whose means grain size is 1-30mm., preferably 3-10mm., a liquid adhesive agent is coated on the surface of the waste tyre grains 2, and the resultant work is placed in a molding form for molding and curing to obtain a culvert drainpipe. |
