发明名称 |
Artigo abrasivo revestido processos para produzir o mesmo e processo para desbastar uma peça dura |
摘要 |
A coated abrasive article having a backing and an abrasive layer coated on the first major surface of the backing, wherein a cross-section of the abrasive layer normal to the thickness and at a center point of the thickness has a total cross-sectional area of abrasive agglomerates which is substantially the same as that at a point along the thickness which is 75% of a distance between the center point and the contact side; a coated abrasive article having a bond system with a Knoop hardness number of at least 70; a coated abrasive article comprising abrasive agglomerates in the shape of a truncated four-sided pyramid; a method of making the coated abrasive article; and a method of abrading a hard workpiece using a coated abrasive article. |
申请公布号 |
BR9509116(A) |
申请公布日期 |
1997.11.18 |
申请号 |
BR19959509116 |
申请日期 |
1995.07.21 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY. |
发明人 |
TODD J. CHRISTIANSON |
分类号 |
B24D3/00;B24D3/28;B24D3/34;B24D11/00 |
主分类号 |
B24D3/00 |
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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