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专利名称：LIGHT-WEIGHT HEAVY-DUTY RADIAL TIRE发明人：BOILEAU; JACQUES申请号：US31557472申请日：19721215公开号：US3861439A公开日：19750121
摘要：A light-weight heavy-duty radial tire is formed with at least one carcass ply andat least two tread plies. The tensile strength T, expressed in kilograms, of the plies percentimeter of ply width is reduced to a value between 5 and 15 times the inner radius R,expressed in centimeters, of the tire in the median plane. The tire is of substantiallyreduced weight and is inflated to a pressure which is 20% to 30% less than the nominalinflation pressure for conventional tires of the same size bearing the same load.
申请人：COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, RAISON SOCIALEMICHELIN & CIE
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