Back to results
US 6,669,746 B2Granted
Filamentary brush bristle material
AssigneesYuuichiro Niizaki, Tomoko Niizaki
InventorsYuuichiro Niizaki, Tomoko Niizaki, Yunito Niizaki
Life of this patent
Estimating the term…
Abstract
Brush bristles include filaments of synthetic resin material containing two or more types of abrasive particles selected from among diamond powder, stainless-steel powder, titanium powder, silicon carbide powder and aluminum oxide powder or silicon carbide or alumina abrasive grains.
Claims10
A filamentary brush bristle material comprised of synthetic resin material containing abrasive particles of stainless-steel powder and at least one additional type of abrasive particles selected from the group consisting of diamond powder, titanium powder, silicon carbide and aluminum oxide.
Dependencies are inferred from the claim text.