发明名称 |
Tear resistant coated abrasive article |
摘要 |
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.
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申请公布号 |
US5355636(A) |
申请公布日期 |
1994.10.18 |
申请号 |
US19920955046 |
申请日期 |
1992.10.01 |
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):B24D11/00 |
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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