US 11,911,876 B2
Tooling splice accommodation for abrasive article production
Thomas J. Nelson, Woodbury, MN (US); Aaron K. Nienaber, Lake Elmo, MN (US); Joseph B. Eckel, Vadnais Heights, MN (US); Ann M. Hawkins, Lake Elmo, MN (US); and Amelia W. Koenig, Minneapolis, MN (US)
Assigned to 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Appl. No. 17/415,039
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Dec. 17, 2019, PCT No. PCT/IB2019/060949
§ 371(c)(1), (2) Date Jun. 17, 2021,
PCT Pub. No. WO2020/128853, PCT Pub. Date Jun. 25, 2020.
Claims priority of provisional application 62/780,998, filed on Dec. 18, 2018.
Prior Publication US 2022/0040817 A1, Feb. 10, 2022
Int. Cl. B24D 11/00 (2006.01); B24D 3/28 (2006.01); B24D 11/06 (2006.01); B24D 18/00 (2006.01)
CPC B24D 11/005 (2013.01) [B24D 3/28 (2013.01); B24D 11/06 (2013.01); B24D 18/0072 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method of producing an abrasive article, the method comprising:
moving a production tool along a first web path, the production tool having a first end and a second end spliced together forming a spliced area;
providing first shaped abrasive particles to a plurality of cavities formed in a dispensing surface of the production tool;
moving a resin coated backing along a second web path;
dispensing the first shaped abrasive particles from the plurality of cavities to the resin coated backing;
dispensing second shaped abrasive particles to the resin coated backing into gaps in the first shaped abrasive particles caused by an absence of the plurality of cavities in the spliced area.