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公开(公告)号：US20220134809A1
公开(公告)日：2022-05-05
申请号：US17500237
申请日：2021-10-13
发明人： Naoya Kubo
IPC分类号： B60C15/06
摘要： A pneumatic tire according to an embodiment includes: a carcass ply including organic fiber cords; and a side reinforcement layer including metal cords. The side reinforcement layer extends along a lateral surface of a bead filler, and extends beyond an outer end of the bead filler to an outer side in a tire radial direction. The carcass ply includes: a first ply stretched between bead cores; and a second ply arranged on a tire outer surface side of the first ply. An inner end portion in the tire radial direction of the second ply is superimposed on an outer end portion in the tire radial direction of the side reinforcement layer, and the second ply extends to the outer side in the tire radial direction from the inner end portion and is terminated at a position at which the second ply is superimposed on an end portion of a belt.
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公开(公告)号：US11319429B2
公开(公告)日：2022-05-03
申请号：US16341154
申请日：2017-07-11
发明人： Akihito Mitsui
摘要： A masterbatch manufacturing method in accordance with the present disclosure comprises an operation in which pre-coagulation rubber latex comprising filler is coagulated to obtain a coagulum; an operation in which the coagulum is dewatered; and an operation in which the dewatered coagulum is plasticized as it is dried by means of an extruder; wherein, during the operation in which the dewatered coagulum is plasticized as it is dried, the coagulum comprises a peptizing agent.
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63.发明授权公开(公告)号：US11319416B2
公开(公告)日：2022-05-03
申请号：US16954674
申请日：2018-11-07
发明人： Yuya Konno
摘要： A masterbatch manufacturing method comprising: an operation in which a natural rubber latex, and a rubber latex having a mass-average molecular weight that is less than a mass-average molecular weight of the natural rubber latex, are mixed to obtain a pre-slurry-mixing rubber latex for which a mass-average-molecular-weight-to-number-average-molecular-weight ratio is 6 to 10; an operation in which the pre-slurry-mixing rubber latex and a filler slurry are mixed to obtain a pre-coagulation liquid mixture; and an operation in which the pre-coagulation liquid mixture is coagulated.
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公开(公告)号：US20220126634A1
公开(公告)日：2022-04-28
申请号：US17512287
申请日：2021-10-27
发明人： Harunobu SUITA
摘要： A tire includes: a pair of beads having bead cores and a bead filler extending to an outer side in a tire-radial direction of the bead core; a carcass ply extending from one of the bead core of one bead to the bead core of the other bead, and folded back around each of the bead cores; a first pad disposed at an outer side in a tire-width direction of a folding end of the carcass ply which is folded back; a second pad disposed at an outer side in the tire-width direction of the first pad; and rim strip rubber disposed at least at a part on an outer side in the tire-width direction of the second pad, in which an electronic component is provided to interpose the second pad and the rim strip rubber.
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公开(公告)号：US11312186B2
公开(公告)日：2022-04-26
申请号：US16680608
申请日：2019-11-12
发明人： Keiki Orii
摘要： A pneumatic tire includes a lateral groove that includes a groove bottom surface extending in a direction crossing a tire circumferential direction, and a protrusion provided on the groove bottom surface and extending in an extension direction of the groove bottom surface. The protrusion includes a main body, and an end portion provided on at least one side in a longitudinal direction of the main body and shaped such that a height of the protrusion from the groove bottom surface decreases from an inside to an outside in the longitudinal direction of the main body. The end portion includes an upper surface that forms a circular arc recessed inward in a tire radial direction in a cross section crossing a width direction of the protrusion.
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公开(公告)号：US20220024271A1
公开(公告)日：2022-01-27
申请号：US17350145
申请日：2021-06-17
摘要： A mounting structure of a dynamic damper capable of effectively reducing the vibration of a vibration body is provided. The mounting structure includes a suspension member 100 inhibiting the upward shift of a mass member 5. The suspension member 100 and plates 3 are configured as separate members, so that as compared with the case where a pair of plates 3 are coupled, the opposite interval between the plates 3 can be determined without being affected by the dimension accuracy of such the coupling portion. Thus, the thicknesses of the rubber elastic bodies 4 can foe formed at high accuracy, so that the mass member 5 can be easily vibrated at the desired frequency. Therefore, the vibration of the suspension member 100 can be effectively reduced.
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公开(公告)号：US20220016952A1
公开(公告)日：2022-01-20
申请号：US17295531
申请日：2020-05-29
IPC分类号： B60G21/055 , F16F1/387
摘要： Provided is a stabilizer bush that ensures improved durability. The stabilizer bush (10) comprises: a bush main body (11) formed from a tubular elastic body having a retention hole (12) through which the stabilizer bar (2) passes; a rigid body portion (14) that is fixed to the bush main body (11) and has a higher rigidity than the bush main body (11); and an elastic film (16) that comprises an elastic body and is in contact with a second surface (14b) of the rigid body portion (14). A part of the elastic film (16) is fitted into depressed portions (15a, 15b) that are depressed from the second surface (14b) to a first surface (14a) side.
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公开(公告)号：US20210388185A1
公开(公告)日：2021-12-16
申请号：US17330735
申请日：2021-05-26
发明人： Yuma Nishikawa , Norio Minouchi
摘要： A pneumatic tire according to an embodiment is a pneumatic tire including a belt pad disposed between a belt end and a carcass ply. The belt pad is formed by a rubber composition containing 1 to 10 parts by mass of sulfur, 0.1 to 5 parts by mass of N,N-dibenzylbenzothiazole-2-sulfenamide, and 0.1 to 5 parts by mass of either one or both of 1,6-bis(N,N-dibenzylthiocarbamoyldithio)hexane and hexamethylene bis-thiosulfate disodium salt dihydrate, with respect to 100 parts by mass of diene rubber.
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公开(公告)号：US20210339576A1
公开(公告)日：2021-11-04
申请号：US17241259
申请日：2021-04-27
发明人： Noriyuki Tsuji , Koji Arakawa , Yutaka Nakamoto
IPC分类号： B60C15/024
摘要： A pneumatic tires include a tread, a pair of sidewalls, and a pair of bead portions that are arranged at intervals wider than a rim width of a corresponding regular rim in a non-rim-assembled state. Each of the pair of the bead portions includes a bead heel and a bead back surface. In the non-rim-assembled state, the bead back surface is formed with a recess. The bead back surface has a recess R portion having an arc shape. A center of curvature of the recess R portion is located in a radial range between a radial position that is 2.0 mm to the inner side in the tire radial direction and a radial position that is 9.0 mm to the outer side in the tire radial direction with reference to an outer end surface of a bead core in the tire radial direction.
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