发明名称 Composite drill bit using adhesive bond
摘要 A composite drill bit comprising a shank member having a bore disposed therein and an insert which is disposed within the bore such that a portion of the insert protrudes from the shank member. The insert is rigidly secured within the bore of the shank member through the use of an ambient cure adhesive.
申请公布号 US5927912(A) 申请公布日期 1999.07.27
申请号 US19980015048 申请日期 1998.01.28
申请人 TYCOM CORPORATION 发明人 MIHAI, BENJAMIN;ERPENBECK, GARY P.
分类号 B23B31/00;B23B51/00;(IPC1-7):B23B51/02;B32B1/06 主分类号 B23B31/00
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