发明名称 ABRASIVE ARTICLE WITH SOLID CORE AND METHODS OF MAKING THE SAME
摘要 Abrasive articles and method of making said articles are provided. The articles include an integral resilient member having a first and a second opposed major surface where the member includes a centrally disposed core that is substantially free of abrasive particles and a peripheral annulus that includes a plurality of abrasive zones that comprise abrasive particles. The particles protrude through at least one major surface of the integral member.
申请公布号 US2011073094(A1) 申请公布日期 2011.03.31
申请号 US20090567937 申请日期 2009.09.28
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 TSELESIN NAUM N.;GOERS BRIAN D.
分类号 B28D1/04;B24D5/00;B24D9/00;B24D11/00 主分类号 B28D1/04
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