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US 2021/0388249 A1Published application
Abrasive powders in soft matrices
OwnerYefim Katsinventor
Life of this patent
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Abstract
The invention is an abrasive article for sharpening cutting blades mounted within a grinding apparatus. The article is a soft matrix in which are embedded abrasive particles, and this matrix is preferably encased within a dry and non-adherent shell or capsule. The article is capable of being fed into the apparatus, wherein it is crushed, leaving the abrasive particles free to contact and sharpen the blades by abrasion.
Claims9
An abrasive composition, comprising abrasive particles distributed within a soft, water-soluble matrix;
- the matrix being divided into individual articles having a mean diameter between about 4 mm and about 20 mm.
9-16. (canceled)
Dependencies are inferred from the claim text.