发明名称 Tear resistant coated abrasive article.
摘要 <p>A tear resistant coated abrasive article comprises a backing which comprises a film having at least five layers situated one on the other in a parallel array. The layers occur essentially randomly in the array and are individually selected from a stiff polyester or copolyester and a ductile polymeric material. An abrasive layer is on a surface of the backing. <IMAGE></p>
申请公布号 EP0590670(A1) 申请公布日期 1994.04.06
申请号 EP19930115828 申请日期 1993.09.30
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 HARMON, KIMBERLY K.
分类号 B24D11/00;B24D11/02;B32B27/36;(IPC1-7):B24D11/02 主分类号 B24D11/00
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