Method for the treatment of single-filament polyethylene terephthalate cords for the reinforcing layers of a pneumatic tyre comprising (a) an adhesive solution coating step, wherein the single filament cord is immersed in an adhesive solution; (b) a drying step, wherein the cord covered in adhesive resin is held within a drying oven at a temperature of between 120 and 180° C.; and (c) a thermobonding step wherein the cord, proceeding from the drying step, is arranged within an oven at a temperature of between 230 and 260° C. for a period of between 30 and 90 seconds. During the thermobonding step, the single filament cord is subjected to a tension of between 8 and 12 mN/dtex.
Método para el tratamiento de cables para las capas de refuerzo de neumáticos
2024-06-27
Patent
Electronic Resource
Spanish
IPC: | D06M Behandeln von Fasern, Fäden, Garnen, Textilgut, Federn oder aus solchen Materialien hergestelltem Fasergut, soweit nicht anderweitig in Klasse D06 vorgesehen , TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS / B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED , Vorbereiten oder Vorbehandeln der zu verformenden Masse / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand / B60C VEHICLE TYRES , Fahrzeugreifen / D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS , Kräuseln oder Texturieren von Fasern, Fäden, Garnen oder Zwirnen |
European Patent Office | 2019
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