Title:
COMPOSITION FOR LUBRICATING-FILM FORMATION SUITABLE FOR LUBRICATION OF SCREW JOINT
Document Type and Number:
WIPO Patent Application WO/2002/046338
Kind Code:
A1
Abstract:
A composition for lubricating-film formation which comprises a base and dissolved therein at least one basic oil selected among basic sulfonates, basic salicylates, and basic phenates. The composition is applied to the frictional surface of a box and/or pin constituting a screw joint to form a lubricating film. The composition can further contain one or more of particulate thermoplastic resins, other oils, and extreme-pressure additives. The mating parts preferably have a surface roughness of 5 to 40 $g(m)m in terms of R¿max?.
Inventors:
GOTO KUNIO (JP)
NAGASAKU SHIGEO (JP)
YAMAMOTO HIDEO (JP)
NAGASAKU SHIGEO (JP)
YAMAMOTO HIDEO (JP)
Application Number:
PCT/JP2001/010573
Publication Date:
June 13, 2002
Filing Date:
December 04, 2001
Export Citation:
Assignee:
SUMITOMO METAL IND (JP)
GOTO KUNIO (JP)
NAGASAKU SHIGEO (JP)
YAMAMOTO HIDEO (JP)
GOTO KUNIO (JP)
NAGASAKU SHIGEO (JP)
YAMAMOTO HIDEO (JP)
International Classes:
C10M109/02; C10M111/04; C10M121/02; C10M129/16; C10M135/06; C10M135/20; C10M137/02; C10M137/04; C10M137/10; C10M143/02; C10M143/04; C10M143/16; C10M145/14; C10M149/18; C10M159/20; C10M159/22; C10M159/24; C10M165/00; C10M167/00; C10M169/04; E21B17/042; F16L15/04; C10N10/04; C10N10/12; C10N20/00; C10N20/06; C10N30/06; C10N30/12; C10N40/00; C10N40/34; C10N50/02; (IPC1-7): C10M159/20; F16L15/04
Domestic Patent References:
| WO2001016516A1 | 2001-03-08 |
Foreign References:
| JPS5641285A | 1981-04-17 | |||
| GB1239860A | 1971-07-21 | |||
| EP0786616A1 | 1997-07-30 | |||
| EP0398505A1 | 1990-11-22 |
Other References:
See also references of EP 1350834A4
Attorney, Agent or Firm:
Hirose, Shoichi (4-2 Nihonbashi Honcho 4-chome Chuo-ku, Tokyo, JP)
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