Friction lining with controlled porosity for a wet friction system

The friction plate is made from a fibre mat impregnated with a thermosetting resin which, after a final baking stage, has a porous structure with linked cells. The finished plate (12) has zones with different and controlled levels of porosity, at least one annular zone (22) has a controlled porosity...

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Bibliographische Detailangaben
Hauptverfasser:	ROMMERU, CECILE, ADAMCZAK, LOIC, MENARD, DENIS, PANTIER, PHILIPPE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES BLASTING BRAKES CHEMISTRY CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION DYES ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The friction plate is made from a fibre mat impregnated with a thermosetting resin which, after a final baking stage, has a porous structure with linked cells. The finished plate (12) has zones with different and controlled levels of porosity, at least one annular zone (22) has a controlled porosity which is lower than the mean porosity of the plate and which can be in the shape of a chamfered edge. The plate also has a concentric annular insert (20), especially of an impermeable structure and with a thickness less than the mean thickness of the plate, which can be used to fit the plate to a support. The communicating cells of the plate are between 50 and 500 microns in size, and its porosity is between 20 and 60 per cent.