FRICTION MEMBER AND ITS MANUFACTURE

PURPOSE:To obtain a friction member excellent in frictional and wear characteristics by impregnating the pores and surface of a porous metal layer with a composition consisting of PFA, EPE or FEP, metallic lead, and PTFE. CONSTITUTION:The pores and surface of a porous metal layer provided on the sur...

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Bibliographische Detailangaben
Hauptverfasser:	TAMURA HIDEHIKO, UENAKA KIYOHIDE, HAKAKOSHI SHIGEMASA, TANAKA TADASHI
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CHEMISTRY COMPOSITIONS BASED THEREON ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS FUELS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING LUBRICANTS LUBRICATING COMPOSITIONS MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL TRANSPORTING USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a friction member excellent in frictional and wear characteristics by impregnating the pores and surface of a porous metal layer with a composition consisting of PFA, EPE or FEP, metallic lead, and PTFE. CONSTITUTION:The pores and surface of a porous metal layer provided on the surface of metal backing is impregnated and covered with a composition consisting of 0.5-30vol.% of at least one of PFA, EPE and FEP, 5-30vol.% metallic lead in the form of particles having such a mean particle diameter as to provide a specific surface of 1,000-8,500cm /g, and the balance of PTFE, with the total of components other than PTFE being 5.5-50vol.%, which is then baked in a neutral or reducing atmosphere to give an objective friction member. The EPE refers to a tetrafluoroethylene/hexafluoropropylene/perfluoroalkyl vinyl ether copolymer. The FEP refers to a tetrafluoroethylene/ hexafluoropropylene copolymer.