Use of magnetics with magnetizable abrasive particles, methods, apparatuses and systems using magnetics to make abrasive articles
US12208491B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2018 |
| Grant date | Jan 28, 2025 |
| Priority date | — |
| Expiry date | Jun 15, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/1436
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
According to one embodiment, a method of making an abrasive layer on a backing is disclosed. The method can comprise: providing a distribution tool having a dispensing surface with cavities, providing a backing having a first major surface, supplying magnetizable abrasive particles to the dispensing surface such that at least one of the magnetizable abrasive particles is disposed in a respective one of the cavities, applying a magnetic field to retain the magnetizable abrasive particles disposed in the cavities, aligning the backing with the dispensing surface with the first major surface facing the dispensing surface, transferring the magnetizable abrasive particles from the cavities to the backing, sequent to or simultaneous with transferring the abrasive particles, removing or changing a magnetic field so the magnetic field no longer retains the magnetizable abrasive particles in the cavities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.