公开(公告)号：EP4450302A1

公开(公告)日：2024-10-23

申请号：EP22907983.5

申请日：2022-12-15

申请人： HANKOOK TIRE & TECHNOLOGY CO., LTD

发明人： NOH, Kyu Dong ,  SEO, Byeong Ho

IPC分类号： B60C19/00 ,  B60C9/00

摘要： The present invention relates to a tire including a sealant layer and a sound-absorbing material layer, and the tire includes a sound-absorbing material layer located on the inner surface of the tire, and a sealant layer disposed between the inner surface of the tire and the sound-absorbing material layer, and applied on the inner surface of the tire, wherein the sound-absorbing material layer includes a first porous material having closed cells, and a second porous material having open cells, so that the tire may self-seal in the event of a puncture by including the sealant layer applied on the inner surface of the tire, may have noise reduction performance by including the sound-absorbing material, and even if a nail penetrates the tire and sealant and reaches the sound-absorbing material, may prevent fine fragments of the sound-absorbing material from degrading the function of the sealant and maintain the noise reduction performance.