GREASE COMPOSITION AND APPARATUS FOR AUTOMATICALLY FEEDING GREASE COMPOSITION

PROBLEM TO BE SOLVED: To provide a grease composition which is used in a part to be lubricated where a sliding motion is made like a part to be lubricated where a rolling movement of an injection molding machine, a ball screw of a machine tool, a linear guide or the like is made. SOLUTION: The greas...

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Hauptverfasser:	ARIYASU TAKAYUKI, IMAMOTO TAKAHISA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a grease composition which is used in a part to be lubricated where a sliding motion is made like a part to be lubricated where a rolling movement of an injection molding machine, a ball screw of a machine tool, a linear guide or the like is made. SOLUTION: The grease composition contains (a) 1-5 mass%, based on the composition, a mixture of thickening agents represented by formula (I): R1-NHCONH-R2-NHCONH-R1, formula (II): R1-NHCONH-R2-NHCONH-R3, and (III) R3-NHCONH-R2-NHCONH-R3, (wherein R2is a 6-15C divalent aromatic hydrocarbon group and R1and R3are groups different from each other and each a cyclohexyl group or an 8-20C straight chain or branched alkyl group), (b) a base oil containing not less than 80 mass% mineral oil based on the base oil, (c) an oil soluble MoDTC, and (d) calcium sulfonate and has a worked penetration of 400-500. COPYRIGHT: (C)2011,JPO&INPIT