Abrasive products and methods for finishing hard surfaces
US9931733B2 · kind B2 · utility
1Cited by
98References
14Claims
0Family size
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Key dates
| Filing date | Aug 19, 2015 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | Jan 12, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/1409
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A coated abrasive product includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder, wherein the abrasive aggregates are dispersed within a polymer resin coating, and wherein the coated abrasive product is capable of superfinishing a metal surface having an initial Ra in the range of about 1.5 micro inches to about 12.5 micro inches prior to application of the coated abrasive product and after application the surface has an Ra of less than 1.0 micro inch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.