US 11,697,185 B2
Abrasive articles with precisely shaped features and method of making thereof
Duy K. Lehuu, Lake Elmo, MN (US); Noah O. Shanti, St. Paul, MN (US); Junqing Xie, Woodbury, MN (US); and Kathryn R. Bretscher, Minnetonka, MN (US)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Filed on Jun. 5, 2020, as Appl. No. 16/946,089.
Application 16/946,089 is a continuation of application No. 14/418,959, granted, now 10,710,211, previously published as PCT/US2013/052834, filed on Jul. 31, 2013.
Claims priority of provisional application 61/678,666, filed on Aug. 2, 2012.
Prior Publication US 2020/0298370 A1, Sep. 24, 2020
Int. Cl. B24B 53/017 (2012.01); B24B 37/26 (2012.01); B24B 37/24 (2012.01); B24B 37/16 (2012.01); B24D 7/18 (2006.01); B24D 3/00 (2006.01); B24D 18/00 (2006.01)
CPC B24B 53/017 (2013.01) [B24B 37/16 (2013.01); B24B 37/24 (2013.01); B24B 37/245 (2013.01); B24B 37/26 (2013.01); B24D 3/002 (2013.01); B24D 7/18 (2013.01); B24D 18/0009 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An abrasive article comprising:
a first abrasive element, a first resilient element, and a first fastening element;
a second abrasive element, a second resilient element, and a second fastening element; and
a carrier, wherein the first resilient element and first fastening element are disposed between the first abrasive element and the carrier, and the first resilient element is disposed between the first abrasive element and the first fastening element, and wherein the second resilient element and second fastening element are disposed between the second abrasive element and the carrier, and the second resilient element is disposed between the second abrasive element and the second fastening element;
wherein the first and second abrasive elements are disposed on the carrier as spaced-apart, discrete elements;
wherein the first and second abrasive elements each comprises a first major surface and a second major surface;
wherein at least the first major surfaces of the first and second abrasive elements comprise a plurality of precisely shaped features;
wherein the abrasive elements comprise substantially inorganic, monolithic structures; and
wherein the first and second resilient elements are locked in a compressed position through the first and second fastening elements, respectively.