发明名称 FOERFARANDE OCH GLIDGJUTMASKIN FOER GJUTNING AV HAOLPLATTOR AVETONG
摘要 Method and slide-casting machine for the casting of hollow slabs out of concrete by slidecasting. Concrete mix is extruded onto a base (18) preferably by means of a conical screw spiral (2). Thereinafter the mix is compacted by moving a cavity mandrel (3) fitted after the screw spiral. The end of the cavity mandrel (3) is moved along a path of movement of desired shape. The final end of the mandrel may be attached to the machine by means of a ball joint.
申请公布号 FI70821(B) 申请公布日期 1986.07.18
申请号 FI19830001606 申请日期 1983.05.09
申请人 OY PARTEK AB 发明人 BARSK JAAKKO OLAVI
分类号 B28B3/22;B28B1/08;B28B1/087;B28B3/20;B28B7/28 主分类号 B28B3/22
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