发明名称 Cutting tools with two-slope profile
摘要 An abrasive tool insert is formed from a substrate having an inner face that has a center. The inner face slopes outwardly and downwardly from the center. An annular face slopes downwardly and outwardly from the inner face. An abrasive layer, having a center and a periphery forming a cutting edge, is integrally formed on the substrate.
申请公布号 US2005161035(A1) 申请公布日期 2005.07.28
申请号 US20050082487 申请日期 2005.03.17
申请人 EASLEY THOMAS C.;WAN SHAN 发明人 EASLEY THOMAS C.;WAN SHAN
分类号 E21B10/56;E21B10/573;(IPC1-7):B28D1/04 主分类号 E21B10/56
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