PROCEDE DE FABRICATION D'UN RESSORT EN MATERIAU COMPOSITE, TEL QU'UN RESSORT DE SUSPENSION NOTAMMENT POUR VEHICULE AUTOMOBILE

A process for manufacturing a spring made of a composite material, such as a suspension spring in particular for a motor vehicle, consists in winding a yarn (la) of resin-impregnated fibres around an inflated bladder (2) by placing it in an outer helical groove (5) of the bladder (2), fitting the in...

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Bibliographische Detailangaben
Hauptverfasser:	CARRO DAMIEN, MONIN MARTINE, RAOULT IDA
Format:	Patent
Sprache:	fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A process for manufacturing a spring made of a composite material, such as a suspension spring in particular for a motor vehicle, consists in winding a yarn (la) of resin-impregnated fibres around an inflated bladder (2) by placing it in an outer helical groove (5) of the bladder (2), fitting the inflated bladder (2) and the yarn (la) wound around the latter into a female mould (6) comprising an inner helical groove (9) that receives the yarn (la), pressurizing the bladder (2) in order to press the yarn (la) of resin-impregnated fibres to the back of the inner groove (9) of the female mould (6), applying heat in order to polymerize the resin, depressurizing the bladder (2) and removing it from the female mould (6) and extracting the spring (1) from the depressurized bladder (2). This process finds an application in the motor vehicle field.