发明名称 ARTIGO ABRASIVO E MÉTODO DE FABRICAÇÃO E USO DO MESMO
摘要 An abrasive article comprises a porous abrasive member, a nonwoven filter medium, a second nonwoven filter medium, and optionally a porous attachment layer. A plurality of openings in the porous abrasive member cooperates with the first nonwoven filter medium to allow the flow of particles from an outer abrasive surface of the porous abrasive member to the second nonwoven filter medium. Methods of making and using the abrasive articles are included.
申请公布号 BRPI0808973(A2) 申请公布日期 2014.08.26
申请号 BR2008PI08973 申请日期 2008.02.26
申请人 3M INNOVATIVE PROPERTIES COMPANY. 发明人 EDWARD J. WOO;THOMAS W. RAMBOSEK;SEYED A. ANGADJIVAND;MARY B. DONOVAN;RUFUS C. SANDERS JR.;YEUN-JONG CHOU
分类号 B24B7/00;B24B55/10;B24D11/02 主分类号 B24B7/00
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