Title:
COMPOSITION FOR FORMING LUBRICATING COATING FILM, AND THREADED JOINT FOR STEEL PIPE
Document Type and Number:
WIPO Patent Application WO/2015/030252
Kind Code:
A1
Abstract:
A composition for forming a lubricating coating film has a chemical composition comprising: 40 to 80 mass% of a base oil comprising at least one compound selected from a pentaerythritol fatty acid ester and a trimethylolpropane fatty acid ester; 5 to 20 mass% of a drying agent comprising a paraffin wax; and 10 to 40 mass% of a solid lubricant agent comprising at least one compound selected from an alkali metal salt of hydroxystearic acid and an alkali earth metal salt of hydroxystearic acid. In the composition, the total content of the base oil, the drying agent and the solid lubricant agent is 85 to 100 mass% inclusive and no heavy metal is contained.
Inventors:
MATSUMOTO KEISHI (JP)
GOTO KUNIO (JP)
SASAKI MASAYOSHI (JP)
GOTO KUNIO (JP)
SASAKI MASAYOSHI (JP)
Application Number:
PCT/JP2014/073010
Publication Date:
March 05, 2015
Filing Date:
September 02, 2014
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
VALLOUREC OIL & GAS FRANCE (FR)
VALLOUREC OIL & GAS FRANCE (FR)
International Classes:
C10M169/00; C10M105/38; C10M117/04; C10M127/02; C10M159/06; C10N10/02; C10N10/04; C10N30/00; C10N30/06; C10N30/12; C10N40/00; C10N50/10; F16B33/06
Domestic Patent References:
| WO2009057754A1 | 2009-05-07 | |||
| WO2004081156A1 | 2004-09-23 |
Foreign References:
| JP2008537062A | 2008-09-11 | |||
| JP2008095019A | 2008-04-24 | |||
| JP2004053013A | 2004-02-19 | |||
| JP2002173692A | 2002-06-21 | |||
| JP2004053013A | 2004-02-19 | |||
| JP2004507698A | 2004-03-11 | |||
| JP2008095019A | 2008-04-24 |
Other References:
See also references of EP 3042945A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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