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公开(公告)号：US11491827B2
公开(公告)日：2022-11-08
申请号：US16322841
申请日：2017-08-01
发明人： Takashi Hoshiba
摘要： A run-flat tire is provided with: a carcass layer mounted between a pair of bead portions; and a run-flat reinforcing layer having a crescent-shaped cross-section, provided on a side wall portion on an inner side of the carcass layer in a tire width direction, a band-like sound absorbing member that extends in a tire circumferential direction adhering to a region of a tire inner surface corresponding to a tread portion, wherein the band-like sound absorbing member is locally arranged in at least one shoulder region within the region corresponding to the tread portion.
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公开(公告)号：US20210300126A1
公开(公告)日：2021-09-30
申请号：US17262660
申请日：2019-07-17
发明人： Masahiro Naruse , Jun Matsuda , Takashi Hoshiba
摘要： A pneumatic tire includes a sound absorbing member having a band shape. The sound absorbing member is bonded to an inner surface of a tread portion along a tire circumferential direction. The sound absorbing member includes a missing portion at at least one location in the tire circumferential direction. The at least one missing portion is disposed in a range corresponding to a light point in a tire main body. A correction body for correcting weight unbalance is fixed to a tire inner surface in the missing portion within the range corresponding to the light point.
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公开(公告)号：US20210162820A1
公开(公告)日：2021-06-03
申请号：US17262654
申请日：2019-07-17
摘要： Provided are a pneumatic tire and a method for manufacturing the same. At least one sensor unit including a sensor that acquires tire information is fixed to a tire inner surface via an adhesive layer, and an amount of silicon in a release agent detected by fluorescent X-ray analysis at least in a fixing region for the sensor unit is from 0.1 wt % to 10.0 wt %.
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公开(公告)号：US20200282779A1
公开(公告)日：2020-09-10
申请号：US16645442
申请日：2018-08-31
发明人： Takashi Hoshiba
摘要： A pneumatic tire includes a sound absorbing member fixed to an inner surface of a tread portion via an adhesive layer in the tire circumferential direction. A thickness of the sound absorbing member 6 is 20 mm or greater, a hardness of the sound absorbing member is from 80 N/314 cm2 to 150 N/314 cm2, a tensile strength of the sound absorbing member 6 is 90 kPa or greater, an elongation at break of the sound absorbing member is 130% or greater, a JIS hardness of the tread rubber of the tread portion is from 50 to 68, and a plurality of sipes are provided in a land portion formed in the tread portion.
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公开(公告)号：US20200001507A1
公开(公告)日：2020-01-02
申请号：US16484816
申请日：2017-11-14
发明人： Takashi Hoshiba , Masahiro Naruse
摘要： A pneumatic tire is vulcanized by using a bladder provided with a coating layer formed by a release agent, and the release agent has a thickness, detected by an electron microscope, of 0.1 μm to 100 μm on an inner surface of a tread portion 1.
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公开(公告)号：US20190176543A1
公开(公告)日：2019-06-13
申请号：US16322841
申请日：2017-08-01
发明人： Takashi Hoshiba
摘要： A run-flat tire is provided with: a carcass layer mounted between a pair of bead portions; and a run-flat reinforcing layer having a crescent-shaped cross-section, provided on a side wall portion on an inner side of the carcass layer in a tire width direction, a band-like sound absorbing member that extends in a tire circumferential direction adhering to a region of a tire inner surface corresponding to a tread portion, wherein the band-like sound absorbing member is locally arranged in at least one shoulder region within the region corresponding to the tread portion.
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公开(公告)号：US20180326798A1
公开(公告)日：2018-11-15
申请号：US15771859
申请日：2016-10-17
IPC分类号： B60C19/00
CPC分类号： B60C19/002 , B60C5/00
摘要： A pneumatic tire includes a band-like sound absorbing member adhered on an inner surface of a tread portion along the tire circumferential direction. Cuts are formed on the band-like sound absorbing member mutually intersecting such that angles θ1, θ2 with regard to the tire width direction are within a range where 0°≤θ1≤90° or 0°≤θ2≤90°. The cuts are locally disposed in a region adjacent to an end portion on a vehicle inner side of the band-like sound absorbing member. A width of the placement region of the cuts is from 10% to 80% with regard to a width of the band-like sound absorbing member.
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公开(公告)号：US12023963B2
公开(公告)日：2024-07-02
申请号：US17049002
申请日：2019-04-10
CPC分类号： B60C13/001 , B60C13/02 , B60C13/04 , B60C15/0603 , B60C2013/006 , B60C2013/007 , B60C2013/045 , B60C15/04
摘要： In a pneumatic tire, a two-dimensional code is provided on a surface of side rubber provided in a side portion. The two-dimensional code is formed of a dot pattern including two types of gray scale elements identifiably formed using surface irregularities. A two-dimensional code range in a tire radial direction in which the two-dimensional code is provided lies outward or inward of a bead filler rubber edge located outward of bead filler rubber in the tire radial direction.
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公开(公告)号：US20220332019A1
公开(公告)日：2022-10-20
申请号：US17856066
申请日：2022-07-01
发明人： Takashi Hoshiba , Masahiro Naruse
摘要： A pneumatic tire is vulcanized by using a bladder provided with a coating layer formed by a release agent, and the release agent has a thickness, detected by an electron microscope, of 0.1 μm to 100 μm on an inner surface of a tread portion 1.
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