METHOD OR IMPARTING METAL-TO-METAL EXTREME PRESSURE LUBRICATION

PURPOSE:To effectively decrease the sliding friction between metals and to prevent the seizing between the metals for a long period of time, by multicost coating of the surface of contact between metals with particular two kinds of lubricating coatings contg. finely divided tetrafluoroethylene resin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAYASHI SHIGEO, MIYAJI AKIHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS INKS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PURPOSE:To effectively decrease the sliding friction between metals and to prevent the seizing between the metals for a long period of time, by multicost coating of the surface of contact between metals with particular two kinds of lubricating coatings contg. finely divided tetrafluoroethylene resin. CONSTITUTION:Molybdenum disulfide and (or) graphite are mixed with finely divided tetrafluoroethylene resin to obtain a lubricating coating. The lubricating coating is applied on the surface of a contact between metals. At least one surface of the contact is further multicoated with a lubricating coating obtd. by dispersing a finely divided tetrafluoroethylene resin in a volatile solvent (e.g., methyl ethyl ketone) to form an extreme-pressure lubricating surface between the metals which can withstand leng-term use. This method enables favorable adoption of e.g. the sleeve and wedge in non-blasting rock breaking- crushing works, where the sliding friction between the wedge and sleeve is reduced thereby preventing seizure between the surfaces of the metals, to afford the aimed lubricant.