CIRCULAR SUPPORT PLATE, NONWOVEN FABRIC POLISHING ROLL, ROLL ASSEMBLY, AND POLISHING METHOD
- 申请公布号：
- EP2938464(A4)
- 申请号：
- EP20130869817
- 申请日期：
- 2013.12.19
- 申请公布日期：
- 2016.11.02
- 申请人：
- 3M INNOVATIVE PROPERTIES COMPANY
- 发明人：
- NAKAYAMA, MASASHI;OHNUMA, YUJI
- 分类号：
- B24D13/12;B24B29/00;B24D9/04
- 主分类号：
- B24D13/12
- 摘要：
- A nonwoven fabric polishing roll having a through hole into which a rotating shaft of a polishing machine is inserted, that includes a polishing portion formed by stacking a plurality of circular nonwoven fabrics having an aperture that forms the through hole; and two circular support plates located one at each of both ends in the stacking direction of the polishing portion, having an aperture that forms the through hole, and having an external diameter that is substantially the same as that of the circular non-woven fabric; wherein, the circular support plates include nonwoven fabric that is hardened in a compressed state.
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