Title:
STRUCTURED ABRASIVE ARTICLE AND METHOD OF USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2011/028556
Kind Code:
A3
Abstract:
A structured abrasive article comprises a backing, and an abrasive layer disposed on and secured to the backing. The abrasive layer comprises shaped abrasive composites, each comprising abrasive particles dispersed in a binder. Each the shaped abrasive composites independently comprises: a base disposed on the backing; a plurality of walls extending away from the base, and a grinding surface not contacting the base. Adjacent walls share a common edge. Each wall independently forms a dihedral angle with the base of less than or equal to 90 degrees. The grinding surface has a plurality of: cusps, and facets that contact a recessed feature. At least a portion of the recessed feature is disposed closer to the base than each of the cusps. Each cusp is formed by an intersection of two of the walls and at least one of the facets. Use of the structured abrasive article to abrade a workpiece is also disclosed.
Inventors:
CULLER SCOTT R (US)
HAAS JOHN D (US)
LI CHAODI (US)
HAAS JOHN D (US)
LI CHAODI (US)
Application Number:
PCT/US2010/046573
Publication Date:
June 30, 2011
Filing Date:
August 25, 2010
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
International Classes:
B24B37/04; B24D11/00; B24D7/06
Foreign References:
| US20070128991A1 | 2007-06-07 | |||
| US20060246831A1 | 2006-11-02 | |||
| US5692950A | 1997-12-02 |
Other References:
See also references of EP 2470331A4
Attorney, Agent or Firm:
WRIGHT, Bradford, B. et al. (Office of Intellectual Property CounselPost Office Box 3342, Saint Paul Minnesota, US)
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