Low-shedding nonwoven abrasive articles
US11504823B2 · kind B2 · utility
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21References
20Claims
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Key dates
| Filing date | Mar 29, 2019 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Jan 2, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/1409
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Articles and methods regarding the making and use of low-shedding nonwoven abrasive articles, such as abrasive wheels and hand pads, that have a low shed rate and achieve a high grind ratio. The abrasive articles comprise a blend of a plurality of primary abrasive particles and a plurality of reinforcing abrasive particles that is disposed on a nonwoven web substrate. The primary abrasive particles have an average particle size equal to or larger than the average fiber diameter of the substrate fibers, and the reinforcing abrasive particles have an average particle size smaller than the average fiber diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.