Title:
WIRE ROPE
Document Type and Number:
WIPO Patent Application WO/2021/039363
Kind Code:
A1
Abstract:
A wire rope provided with a core and strands twisted around the outer periphery of the core, characterized in that a grease composition is impregnated in at least one among the core and the strands, wherein the grease composition comprises a biodegradable base oil, a thickener, and an anti-corrosion agent containing a calcium sulfonate complex and a sorbitan fatty acid ester, and the grease composition has a total biodegradable organic substance content of 75% by mass or higher and an anti-corrosion agent content of 2.5 to 30% by mass.
Inventors:
DOI SATOSHI (JP)
YAMAMOTO AKIHIRO (JP)
MAEDA JUSEI (JP)
YAMAMOTO AKIHIRO (JP)
MAEDA JUSEI (JP)
Application Number:
PCT/JP2020/030408
Publication Date:
March 04, 2021
Filing Date:
August 07, 2020
Export Citation:
Assignee:
NIPPON GREASE CO LTD (JP)
J WITEX CORP (JP)
J WITEX CORP (JP)
International Classes:
D07B1/06; C10M129/74; C10M129/76; C10M135/10; C10M141/08; C10M159/24; D06M13/02; D06M13/224; D06M13/256; C10N30/12; C10N40/32; C10N50/10
Domestic Patent References:
WO2015030252A1 | 2015-03-05 |
Foreign References:
JP2007070461A | 2007-03-22 | |||
JP2012219401A | 2012-11-12 | |||
JPH06228893A | 1994-08-16 | |||
JP2003301190A | 2003-10-21 | |||
JPH11228983A | 1999-08-24 | |||
JP2006182856A | 2006-07-13 | |||
CN109233967A | 2019-01-18 |
Attorney, Agent or Firm:
ASAHINA & CO. (JP)
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