发明名称 Hardness testing device for pipes
摘要 A hardness tester for pipes comprising a positioning mechanism that presents the pipe to a multiple purpose testing head having a pre-programmed proportional control configuration that independently engages the pipe and determines the pipes relative position to that of the program controlled testing head which contains independent pre-programmed testing heads. The pipe is prepared for testing by cleaning a small test portion of the pipe, engagement of a load cell assembly to the clean pipe portion determining material hardness.
申请公布号 US4635471(A) 申请公布日期 1987.01.13
申请号 US19860819415 申请日期 1986.01.16
申请人 ENERGY DEVELOPMENT CORPORATION 发明人 ROGERS, D. BRETT;PENNER, KEVIN T.
分类号 G01N3/00;G01N3/42;(IPC1-7):G01N3/42 主分类号 G01N3/00
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