发明名称 TIRE
摘要 The carcass of this tire (1) has a carcass body and folded sections each folded around a bead core. A circumferential recessed section, which is recessed inward in the tire width direction and extends in the tire circumferential direction, is formed on the outer surface of the tire side section, and turbulence-generating protrusions are provided on the circumferential recessed section. In a cross-section of the tire, wherein the distance between the inner surface of the carcass body section and a rim-separation point where the inner surface comes into contact with a normal rim is defined as a tire reference thickness, and the distance between the inner surface of the folded section and the tire outer surface at the circumferential recessed section is defined as a tire thickness, the multiple turbulence-generating protrusions are provided in an area where the tire thickness is between 20% and 60% of the tire reference thickness.
申请公布号 US2016016440(A1) 申请公布日期 2016.01.21
申请号 US201414768496 申请日期 2014.02.21
申请人 BRIDGESTONE CORPORATION 发明人 MATSUMURA Hiroyuki
分类号 B60C13/02;B60C15/00 主分类号 B60C13/02
代理机构 代理人
主权项 1. A tire comprising: a tread section in contact with a road surface; a tire side section continuous to the tread section; a bead section continuous to the tire side section; and a carcass section extending throughout the tread section, the tire side section, and the bead section, wherein the carcass section has a carcass body section provided ranging from the tread section to a bead core in the bead section through the tire side section and a folded section folded at the bead core, the tire side section includes a circumferential recessed section recessed inward in a tire width direction and extending in a tire circumferential direction, the circumferential recessed section is provided with a plurality of turbulence-generating protrusions projecting outward in the tire width direction, and in a tire cross section along the tire width direction and a tire radius direction, when a distance between an inner surface on the inside in the tire width direction of the carcass body section and a rim-separation point in contact with a standard rim is specified as a tire reference thickness, and when a distance between an inner surface on the inside in the tire width direction of the folded section and a tire outer surface of the circumferential recessed section is specified as a tire thickness, the plurality of turbulence-generating protrusions are provided in a region where the tire thickness is 20% or more and 60% or less of the tire reference thickness.
地址 Chuo-ku, Tokyo JP