发明名称 (B2) ;KUKIIRITAIYA
摘要 PURPOSE:To prevent creasing on the external wall of a side wall part and to improve appearance and durability by forming a folded part of a carcass by way of folding it from a main body part toward the inside from the outside in the tire axial direction. CONSTITUTION:A carcass 6 consists of a first carcass piece 9 provided with a folded part 9b to fold the circumference of a bead core 5 from the outside in the tire axial direction inside on a main body part 9a from a tread part 2 as a starting point to a bead part 4 through one side wall part 3A and a second carcass piece 3B furnished with a folded part 10b folding the circumference of the bead core from the outside in the tire axial direction inside on a main body part 10a with a tread part 2 as a starting point and having an overlapped part D of 0-70% with the first carcass piece 9 and the tread width. Height HI of the head end of the folded parts of these first and the second carcass pieces from a bead bottom surface 4a is specified as more than 0.5 time to less than 0.8 time of the tire maximum height H.
申请公布号 JPH05338405(A) 申请公布日期 1993.12.21
申请号 JP19920176265 申请日期 1992.06.09
申请人 SUMITOMO RUBBER IND LTD 发明人 ENDO YUKIO;OTSU AKIHIRO
分类号 B60C9/02;B60C9/06;B60C9/08;B60C15/00;(IPC1-7):B60C9/08 主分类号 B60C9/02
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