发明名称 Mounting for the exchangeable sets of expanding elements of tools for enlarging the ends of pipes
摘要 A device for mounting exchangeable flanged sets of expanding elements on a tool for enlarging the ends of pipes. The tool comprises a tool body having an expanding mandrel and a removable cap for retaining the sets of elements on the mandrel. The device comprises a carrier having a plurality of orifices each for the insertion of one set of expanding elements. The carrier is removably mounted on the tool body and the sets of expanding elements are releasably retained in the orifices.
申请公布号 US4144735(A) 申请公布日期 1979.03.20
申请号 US19780873588 申请日期 1978.01.30
申请人 ROTHENBERGER GMBH & CO. WERKZEUGE-MASCHINEN KG 发明人 ROTHENBERGER, GUNTER
分类号 B21D41/02;(IPC1-7):B21D39/08 主分类号 B21D41/02
代理机构 代理人
主权项
地址