发明名称 APPARATUS FOR THE COLD-BENDING OF PIPES
摘要 A pipe bending apparatus including an anvil of a desired radius and a hammer ram having spaced hammer elements spaced from one another to have a bending radius larger than the radius of the anvil. The pipe is adapted to be incrementally fed through the apparatus between hammering actions.
申请公布号 US3667269(A) 申请公布日期 1972.06.06
申请号 USD3667269 申请日期 1969.08.27
申请人 PAWECK AG. 发明人 SIEGFRIED BERGNER
分类号 B21D7/06;B21D31/06;(IPC1-7):B21D7/06 主分类号 B21D7/06
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