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公开(公告)号：US11975569B2
公开(公告)日：2024-05-07
申请号：US17939093
申请日：2022-09-07
发明人： Renya Okawara
CPC分类号： B60C11/01 , B60C11/03 , B60C13/02 , B60C2011/0358
摘要： A pneumatic tire includes a tread portion having a first tread edge, and a first buttress portion extending inwardly in a tire radial direction from the first tread edge. The first buttress portion is provided with a plurality of protectors protruding outwardly in a tire axial direction. The plurality of protectors includes a set of protectors including a first protector and a second protector arranged adjacent to the first protector via a groove extending in the tire radial direction. The groove is provided with a tie-bar connecting the first protector and the second protector. The tie-bar is partially formed in a tire radial region of the groove, and the tie-bar has a protruding height that is smaller than a protruding height of the first protector and a protruding height of the second protector.
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公开(公告)号：US10603959B2
公开(公告)日：2020-03-31
申请号：US15287816
申请日：2016-10-07
发明人： Renya Okawara
摘要： A pneumatic tire includes a tread portion provided with central blocks on both sides of a tire equator. Each of the central blocks includes a ground contact surface with an axially outer block edge and an outer block sidewall extending radially inwardly from the outer block edge. Each outer block edge includes a first inclined edge and a second inclined edge in an opposite inclination direction to the first inclined edge. The first inclined edge has an average angle of from 75 to 85 degrees and the second inclined edge has an average angle of from 30 to 50 degrees, with respect to the axial direction of the tire. Each outer block sidewall includes a middle portion and a pair of end portions, wherein the middle portion is inclined gently with respect to the end portions in relation to a radial direction of the tire.
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