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Low-friction sliding mechanism, low-friction agent composition and method of friction reduction

  • US 8,206,035 B2
  • Filed: 08/06/2004
  • Issued: 06/26/2012
  • Est. Priority Date: 08/06/2003
  • Status: Active Grant
First Claim
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1. A low-friction sliding mechanism wherein a low-friction agent composition is interposed between sliding surfaces of a DLC coated sliding member (A) and a sliding member (B), whereinthe DLC coated sliding member (A) is formed by coating diamond-like carbon having a hydrogen content of 20 atomic percent or less on a base material;

  • the sliding member (B) is formed of at least one kind of material selected from a group consisting of a metal material, a non-metal material and a coated material obtained by coating a thin film on a surface of the metal material or the non-metal material; and

    the low-friction agent composition contains an oxygen-containing organic compound (C), the oxygen-containing organic compound (C) being at least one kind selected from a group consisting of alcohols, esters, ethers, ketones, aldehydes, carbonates and derivatives thereof,wherein the oxygen-containing organic compound (C) is contained in the range of 0.05 to 3.0% mass relative to a total mass amount of the low-friction agent composition.

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