发明名称 Wire reinforced concrete pipe mfg. machine
摘要 The characteristics are set forth of a filling head, a machine for manufacturing concrete pipes which has said filling head and a method for manufacturing concrete pipes in which the torsion forces applied to the metal reinforcement cage of the pipe and the bubbles or hollows in the concrete are eliminated through rotation of the plastering (plasterwork, rendering) and roller head portions of the filling head in opposite directions. The peripheral speed of the system is also improved in comparison with conventional systems.
申请公布号 ES8701017(A1) 申请公布日期 1987.02.16
申请号 ES19140005468 申请日期 1985.09.09
申请人 INTERNATIONAL PIPE MACHINERY CORP. 发明人
分类号 B28B21/44;(IPC1-7):B28B21/44 主分类号 B28B21/44
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