发明名称 |
DUST VACUUMING ABRASIVE TOOL |
摘要 |
<p>The present disclosure is directed to a dust vacuuming abrasive tool comprising an abrasive sheet material having an abrasive surface, a back surface and 20 or more perforations; and a backup pad having a support surface, a back surface and 20 or more perforations, or a plurality of perforations and also having, in the supporting surface. The configuration of the abrasive sheet and back-up pad eliminate the need to align perforations in the abrasive sheet and back-up pad.</p> |
申请公布号 |
WO2008042775(A1) |
申请公布日期 |
2008.04.10 |
申请号 |
WO2007US79893 |
申请日期 |
2007.09.28 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
TAKINAMI, SATORU;OKA, HITOSHI |
分类号 |
B24B23/02;B24D11/02;B24D9/08;B24B55/10 |
主分类号 |
B24B23/02 |
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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