US 12,128,526 B2
Conformable abrasive article
Bruce A. Sventek, Woodbury, MN (US); Stephen C. Loper, Eden Prairie, MN (US); Samad Javid, Woodbury, MN (US); and David G. Baird, Woodbury, MN (US)
Assigned to 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Appl. No. 17/051,861
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Apr. 29, 2019, PCT No. PCT/IB2019/053483
§ 371(c)(1), (2) Date Oct. 30, 2020,
PCT Pub. No. WO2019/211719, PCT Pub. Date Nov. 7, 2019.
Claims priority of provisional application 62/665,065, filed on May 1, 2018.
Prior Publication US 2021/0114171 A1, Apr. 22, 2021
Int. Cl. B24D 11/00 (2006.01); B24B 1/00 (2006.01); B24B 27/033 (2006.01); B24B 41/047 (2006.01); B24D 11/02 (2006.01)
CPC B24D 11/003 (2013.01) [B24B 1/002 (2013.01); B24B 27/033 (2013.01); B24B 41/047 (2013.01); B24D 11/008 (2013.01); B24D 11/02 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An abrasive article, comprising:
an abrasive layer having a contact surface comprising a microstructured surface, the microstructured surface comprising a plurality of microstructures and a plurality of cavities;
a first layer coupled to the abrasive layer, wherein the first layer has a Shore A hardness of no greater than 80; and
a second layer coupled to the first layer, wherein a Shore A hardness of the second layer is less than the Shore A hardness of the first layer.