发明名称 Middle electrode with precious metal reinforcement and a process for producing the same
摘要 Process for producing a middle electrode with precious metal reinforcement, a middle electrode being used with an ignition tip which is tapered relative to the middle electrode body, such that a precious metal wire with a cross section which corresponds to the tapered ignition tip is welded flat onto the tapered ignition tip and such that this precious metal wire is cut off at the desired height, with a sharp edge.
申请公布号 US2003205957(A1) 申请公布日期 2003.11.06
申请号 US20030452209 申请日期 2003.06.03
申请人 BERU AG 发明人 NIESSNER WERNER
分类号 H01T13/20;H01T13/39;H01T21/02;(IPC1-7):H01T13/00 主分类号 H01T13/20
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