发明名称 Abrasive filter assembly and methods of making same
摘要 An abrasive filter assembly with an integral dust collection system. The abrasive filter assembly comprises a porous element, a first filter media with channels, a second filter media, and an attachment interface layer. The openings of the porous element cooperate with the channels to allow the flow of particles from the porous element to the second filter media. The porous element can be an abrasive article or an attachment surface for an abrasive article.
申请公布号 US7393269(B2) 申请公布日期 2008.07.01
申请号 US20050228896 申请日期 2005.09.16
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 RAMBOSEK THOMAS W.;SANDERS, JR. RUFUS C.
分类号 B24D11/00 主分类号 B24D11/00
代理机构 代理人
主权项
地址