Title:
ボールジョイント用潤滑剤組成物及びボールジョイント
Document Type and Number:
Japanese Patent JP4689888
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lubricant composition for a ball joint, not only having excellent torque performance in the ball joint at ordinary temperature, but also having excellent torque performance at a low temperature, and to provide the ball joint for which the lubricant composition is used. SOLUTION: This lubricant composition for the ball joint contains (A) a synthetic hydrocarbon oil having a kinematic viscosity of 5-50 mm<2> /s at 100 deg.C in an amount of 20-80 wt.%, (B) a fatty acid salt of a compound expressed by the formula (1): R<1> -NH-R<2> -NH2 (R<1> is a 1-24C hydrocarbon group; and R<2> is a 2-4C alkylene) in an amount of 10-60 wt.%, and (C) a diamide compound in an amount of 5-30 wt.%, wherein a ratio of content of the component (A) to the component (B) is in the range of 0.5-6. The ball joint is equipped with a metallic ball stud and a polyethylene sheet as a sheet material, and filled with the lubricant composition.
Inventors:
Hironori Koga
Yokoyama Yoshiyuki
Kajiwara Seiki
Hiroshi Kinoshita
Takashi Arai
Kiyomi Sakamoto
Yokoyama Yoshiyuki
Kajiwara Seiki
Hiroshi Kinoshita
Takashi Arai
Kiyomi Sakamoto
Application Number:
JP2001207714A
Publication Date:
May 25, 2011
Filing Date:
July 09, 2001
Export Citation:
Assignee:
jx Nikko Nisseki Energy Co., Ltd.
International Classes:
C10M169/04; F16C11/06; C10M105/06; C10M107/02; C10M129/40; C10M133/16; C10N20/02; C10N30/00; C10N40/02
Domestic Patent References:
| JP57042798A | ||||
| JP56072089A | ||||
| JP2000230188A | ||||
| JP6116581A | ||||
| JP60031598A | ||||
| JP56053194A |
Foreign References:
| WO2003006590A1 |
Attorney, Agent or Firm:
Hajime Sakai
Masahiro Kurai
Masahiro Kurai