Back to results
US 6,465,089 B2Granted
Sliding material
AssigneeDaido Metal Company Ltd.
InventorsTakahiro Niwa, Hideki Iwata, Nobutaka Hiramatsu, Takayuki Shibayama
Life of this patent
Estimating the term…
Abstract
In order to obtain a sliding material which does not include lead particles and is harmless to the environment, there is provided a sliding material which includes, by volume, 3 to 40% bismuth particles but no lead particles, while having a low coefficient of friction and excellent wear resistance.
Claims18
A sliding material consisting essentially of a polytetrafluroethylene resin and 3 to 40% by volume pure bismuth particles, but not lead.
A sliding material consisting essentially of a polytetrafluoroethylene resin and 3 to 40 volume % bismuth alloy particles, and no lead.
Dependencies are inferred from the claim text.