发明名称 METHOD AND DEVICE FOR PRODUCING A DRAINAGE ELEMENT AND DRAINAGE ELEMENT PRODUCED THEREBY
摘要 A porous hardenable drainage element (14) is produced from a molding compound (10) of expanded plastics granulate and a bonding agent by virtue of the fact that the molding compound is received in a ladle (30) having a pouring opening (32) closed off by a mold bottom (44), the molding compound is pressurized in the ladle, the element (14) is molded from the molding compound in a mold formed by lowering of the mold bottom (44) down into an opening cross section (42) consistent with a cross section of the pouring opening (32), and the element is separated from the molding compound by mutual lateral displacement of the mold and the ladle (30).
申请公布号 CA2788549(A1) 申请公布日期 2011.08.11
申请号 CA20112788549 申请日期 2011.02.04
申请人 ISODRAEN AB 发明人 ANDERSSON, JAN
分类号 B29C39/04;B29C39/06;E02D31/02 主分类号 B29C39/04
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