The present invention relates to a radial tire having a cap ply manufactured of a polyethylene terephthalate dip cord. The radial tire includes: a pair of parallel bead cores; at least one radial carcass ply enclosed around the bead cores; a cap ply layer piled on the outer circumference of the carcass ply; and a cap ply reinforcing layer in a circumferential direction, formed on the outer circumference of the cap ply layer. The cap ply includes the dip cord manufactured as thread of 500-2000 denier manufactured of polyethylene terephthalate yarn is used in the form of 1 or 2 ply. The 1000 d/2 dip cord has twist of yarns in 200-400 TPM and is dipped in two steps at the temperature of 160-240°C.

    본 발명은 폴리에틸렌테레프탈레이트 딥 코드로 제조된 캡 플라이를 가진 래디얼 타이어에 관한 것이다. 한 쌍의 평행한 비드코어; 비드코어 주위에 감기는 적어도 하나의 래디얼 카카스 플라이; 카카스 플라이 외주에 적층된 캡플라이 층; 및 캡플라이 층의 외주에 형성된 원주방향의 캡플라이 보강층;을 포함하는 래디얼 타이어에 있어서, 상기 캡플라이는 폴리에틸렌테레프탈레이트 사로 제조된 500 내지 2000데니어 원사를 1ply 또는 2ply 형태로 사용하여 제조된 딥 코드를 포함하고, 그 중1000d/2 딥 코드는, 꼬임수 200 내지 400TPM이고, 160 내지 240℃에서 2욕 딥핑 되는 것을 특징으로 한다.


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    Title :

    Low stiffness polyester tire cords and their use in radial tire


    Additional title:

    강성을 낮춘 폴리에스터 타이어코드를 적용한 래디얼 타이어


    Contributors:

    Publication date :

    2019-05-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS , Kräuseln oder Texturieren von Fasern, Fäden, Garnen oder Zwirnen



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