US 12,263,558 B2
Camouflage for abrasive articles
Joseph B. Eckel, Vadnais Heights, MN (US); Aaron K. Nienaber, Lake Elmo, MN (US); Thomas J. Nelson, Woodbury, MN (US); Amelia W. Koenig, Minneapolis, MN (US); and Ann M. Hawkins, Lake Elmo, MN (US)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Appl. No. 17/415,789
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Dec. 17, 2019, PCT No. PCT/IB2019/060954
§ 371(c)(1), (2) Date Jun. 18, 2021,
PCT Pub. No. WO2020/128858, PCT Pub. Date Jun. 25, 2020.
Claims priority of provisional application 62/781,108, filed on Dec. 18, 2018.
Prior Publication US 2022/0063061 A1, Mar. 3, 2022
Int. Cl. B24D 11/00 (2006.01); B24D 11/02 (2006.01); B24D 11/08 (2006.01); B24D 18/00 (2006.01)
CPC B24D 11/005 (2013.01) [B24D 11/02 (2013.01); B24D 11/08 (2013.01); B24D 18/0072 (2013.01)] 21 Claims
OG exemplary drawing
 
1. An abrasive article comprising:
an abrasive material comprising a plurality of abrasive particles attached to a backing substrate with an adhesive, wherein the plurality of abrasive particles are arranged in one or more patterns on the backing substrate, the one or more patterns comprising at least one of longitudinally aligned particles or laterally aligned particles;
a continuous size coat layer applied to the abrasive material and covering essentially all of a first side of the abrasive article, the continuous size coat layer comprising a first color; and
a discontinuous layer applied to a portion of the first side of the abrasive material and covering a corresponding portion of the continuous size coat layer,
wherein the discontinuous layer comprises a second color different than the first color, and wherein the discontinuous layer is applied as a repeating pattern on the portion of the abrasive material.