发明名称 A hand tool to render pipes and tubes bendable
摘要 The tool comprises an adjustable clamp 4 hinged to a body 5 which forms a support for the tube. A hardened wheel 2 or blade 7 is mounted askew within the clamp 4 so that rotation of the tool while clamped to the tube impresses a helical track in the tube. A screw adjustment 3 sets the depth of the hardened blade or wheel which is removable for replacement. <IMAGE>
申请公布号 GB2223438(A) 申请公布日期 1990.04.11
申请号 GB19880021824 申请日期 1988.09.16
申请人 MALCOLM JOHN * SPARGO 发明人 MALCOLM JOHN * SPARGO;MALCOLM JOHN * SPARGO;MALCOLM JOHN * SPARGO
分类号 B21D11/08;B21D17/00;B21D17/04 主分类号 B21D11/08
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