发明名称 PIPE BENDING MACHINE FOR ELONGATE MATERIAL
摘要 An improvement in a bending machine for elongate material consisting of a modified upper pressure member. The upper pressure member has a material contacting surface divided into a plurality of transverse segments which are movable to accommodate a bend in the material, such that the load required for the proper bending moment is distributed among all the segments.
申请公布号 CA2050839(C) 申请公布日期 1995.04.25
申请号 CA19912050839 申请日期 1991.09.06
申请人 HEAMAN, NORMAN L. 发明人 HEAMAN, NORMAN L.
分类号 B21D11/00;(IPC1-7):B21D7/04 主分类号 B21D11/00
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