发明名称 Back-up pad for abrasive articles and method of making
摘要 A back-up pad for pad for supporting an abrasive article. A preferred embodiment of the invention provides a back-up pad having a dust collection groove, in which the engagement component for securing the abrasive article is attached to the dust collection groove surface. The present invention also provides a method for forming a back-up pad with a dust collection groove.
申请公布号 US6361424(B1) 申请公布日期 2002.03.26
申请号 US20000519788 申请日期 2000.03.07
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 MANOR EDWARD L.;ROEKER DAVID C.
分类号 B24D7/00;B24B55/10;B24D9/08;(IPC1-7):B24D17/00 主分类号 B24D7/00
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