The present invention relates to a tire including a multi-layer tread, including a cap tread portion in contact with a road surface; a sub-tread portion located on the inner side of the cap tread portion; a first belt portion located on the inner side of the sub-tread portion; and a second belt portion located on the inner side of the first belt portion and extending longer than the first belt portion in the tire width direction. The cap tread portion includes a cap tread upper portion and a cap tread lower portion. The cap tread upper portion includes 100 parts by weight of raw rubber and 90 to 120 parts by weight of silica and the cap tread lower portion includes 100 parts by weight of raw rubber and 20 to 50 parts by weight of silica. The tire comprises a rubber composition suitable for a multi-layered form. Therefore, it is possible to provide a tire improved in braking performance and rotational resistance performance.

    본 발명은 노면과 접촉하는 캡 트레드부, 상기 캡 트레드부의 내측에 위치하는 서브 트레드부, 상기 서브 트레드부의 내측에 위치하는 제1 벨트부, 상기 제1 벨트부의 내측에 위치하며 상기 제1 벨트부 보다 타이어 폭 방향으로 더 길게 연장되는 제2 벨트부를 포함하고, 상기 캡 트레드부는 캡 트레드 상부 및 캡 트레드 하부를 포함하고, 상기 캡 트레드 상부는 원료고무 100 중량부 및 실리카 90 내지 120 중량부를 포함하고, 상기 캡 트레드 하부는 원료고무 100 중량부 및 실리카 20 내지 50 중량부를 포함하는 것인 다층 트레드부를 포함하는 타이어에 관한 것으로, 상기 타이어는 다중층 형태에 적절한 고무 조성물을 포함함으로써, 회전저항 성능 및 제동성능을 향상시킨 타이어를 제공할 수 있다.


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    Titel :

    TIRE COMPRISING MUTI LAYER TREAD


    Weitere Titelangaben:

    다층 트레드부를 포함하는 타이어


    Beteiligte:
    JEON SEONG HEE (Autor:in) / OH YUM RAK (Autor:in) / LEE DONG YOUM (Autor:in)

    Erscheinungsdatum :

    2018-06-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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