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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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