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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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