Title:
GREASE COMPOSITION AND ROLLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/141366
Kind Code:
A1
Abstract:
This grease composition contains a base oil, a thickener, and an amine antioxidant and is characterized in that: the thickener is a diurea compound obtained by reacting an amine mixture, said amine mixture comprising cyclohexylamine and a phenylalkylamine having a C8
-
16 alkyl group, with a diisocyanate compound; the cyclohexylamine content of the amine mixture is 91-99 mol%; and the amine-antioxidant content of the grease composition is at least 2.7 mass%. This makes it possible to provide the following: a grease composition that exhibits excellent seizure resistance without having a deleterious effect on stirring resistance inside a rolling device; and a rolling device with said grease composition interposed between prescribed parts.
Inventors:
YOSHIZAKI KOJI (JP)
SUZUKI KENSUKE (JP)
IWAMATSU HIROKI (JP)
MITSUOKA MASASHI (JP)
SUZUKI KENSUKE (JP)
IWAMATSU HIROKI (JP)
MITSUOKA MASASHI (JP)
Application Number:
PCT/JP2013/058315
Publication Date:
September 26, 2013
Filing Date:
March 22, 2013
Export Citation:
Assignee:
JTEKT CORP (JP)
NIPPON GREASE CO LTD (JP)
NIPPON GREASE CO LTD (JP)
International Classes:
C10M169/06; F16C19/06; F16C29/04; F16C33/66; F16H25/22; F16H25/24; C10M115/08; C10M133/12; C10M135/18; C10N30/06; C10N40/02; C10N50/10
Foreign References:
| JP2009108263A | 2009-05-21 | |||
| JP2004108403A | 2004-04-08 | |||
| JP2003161326A | 2003-06-06 | |||
| JP2011068899A | 2011-04-07 | |||
| JP2006249271A | 2006-09-21 | |||
| JP2008095841A | 2008-04-24 | |||
| JP2005188557A | 2005-07-14 | |||
| JP2012224791A | 2012-11-15 | |||
| JPS61155496A | 1986-07-15 |
Other References:
See also references of EP 2829597A4
Attorney, Agent or Firm:
KAWAMURA, Kiyoshi et al. (JP)
Kiyoshi Kawamura (JP)
Kiyoshi Kawamura (JP)
Download PDF: