发明名称 METHOD AND APPARATUS FOR REMOVING FORMING ELEMENTS FROM CONCRETE PIPE
摘要 An apparatus for removing a forming element from a concrete pipe includes a support member and a removal device including first and second elements. The first element is attachable to the forming element and has a stop. The second element is supported by the support member such that the second element is swingable with respect to the support member. In addition, the second element is engageable with the stop so as to apply a force to the first element for removing the forming element from the concrete pipe.
申请公布号 CA2376525(A1) 申请公布日期 2003.08.27
申请号 CA20022376525 申请日期 2002.03.14
申请人 COUILLARD, HARLAND D. 发明人 COUILLARD, HARLAND D.
分类号 B23P19/04;B28B21/00;B28B21/90;C04B41/53;(IPC1-7):B28B21/00 主分类号 B23P19/04
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