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公开(公告)号：US10272722B2
公开(公告)日：2019-04-30
申请号：US15742760
申请日：2016-07-06
发明人： Jacques Babaud , Didier Vasseur , Delphine Nayrat
IPC分类号： B60C1/00 , B60C9/18 , B60C9/20 , C08K5/00 , C08L7/00 , C08L9/00 , C08K5/37 , C08K3/04 , C08K3/36
摘要： The tire has a carcass reinforcement which has at least one layer and a crown reinforcement that is capped radially by a tread. The tire also includes a layer P of polymer compounds in contact with at least one working crown layer and in contact with the carcass reinforcement. The elastomer compounds forming the calendering layer, radially outermost with respect to the crown of the tire, of the carcass reinforcement layer have a relative density of sulfur bridges of less than 5%. The elastomer compounds forming the layer P have a relative density of sulfur bridges of less than 5%. The elastomer compounds are compositions based on at least one diene elastomer selected from the group of polybutadienes (BRs), synthetic polyisoprenes (IRs), natural rubber (NR), isoprene copolymers, butadiene copolymers with the exception of butadiene-nitrile copolymers (NBRs), apart from diene elastomers bearing carboxyl functions, and mixtures of these diene elastomers.
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公开(公告)号：US11685193B2
公开(公告)日：2023-06-27
申请号：US16488512
申请日：2018-03-02
发明人： Patrick Dayet , Benoit Buffetaud , Jacques Babaud
CPC分类号： B60C11/0323 , B60C11/033 , B60C11/124 , B60C11/1204 , B60C11/1236 , B60C11/1259 , B60C11/1281 , B60C2011/1209 , B60C2011/1227 , B60C2011/1245 , B60C2200/06
摘要： Tire tread (1) is divided into central part (20) and edge parts (30), central part (20) having width Lc between 40% and 90% of total width W of the tread. Edge parts (30) do not have any transverse cuts. Central part (20) has a tread pattern with circumferentially oriented sipe (21) and transversely oriented sipes (22, 22′, 22″) distributed around the periphery of the tread, such sipes having a depth at least equal to 60% of thickness E of material to be worn away and being interconnected to form a network. Such sipes are continued by hidden channels (210, 220). Central part (20) is delimited axially by transverse sipes (22′, 22″), each of which ends in end channel (221′, 221″) that opens onto tread surface (10) and extends into the thickness of the tread, and each end channel (221′, 221″) is connected to the network formed by the hidden channels.
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公开(公告)号：US11807048B2
公开(公告)日：2023-11-07
申请号：US16765853
申请日：2018-11-22
发明人： William License , Jacques Babaud
CPC分类号： B60C13/02 , B60C13/002 , B60C1/0025
摘要： Tire (1) comprising a carcass reinforcement (2) surmounted by a crown reinforcement (3), itself capped by a tread (7), the said tread being connected to two beads (6) via two sidewalls (4) each having an exterior surface (40), at least one of the said sidewalls comprising at least two circumferential protrusions (5a, 5b, 5c), each sidewall (4) comprising an equator point (E) situated on the exterior surface of the sidewall radially at the same position as the axially outermost point (20) of the carcass reinforcement (2) in the unladen reference configuration, each circumferential protrusion (5a, 5b, 5c) being bounded by a radially upper wall (51), by a radially lower wall (52), and by a connecting wall (53) situated between the radially upper wall (51) and the radially lower wall (52) tire.
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公开(公告)号：US12077020B2
公开(公告)日：2024-09-03
申请号：US18013111
申请日：2020-06-30
发明人： Kenji Fukuda , Jacques Babaud
CPC分类号： B60C3/06 , B60C9/0292 , B60C13/003
摘要： The tire includes a summit surrounded by side portions terminating in beads provided to cooperate with a mounting rim. A carcass reinforcement is surmounted by a summit reinforcement composed of reinforcing plies. When the tire is mounted onto its standard mounting rim and inflated with its nominal pressure, each side portion has an upper side point, a bottom side point, an intermediate side point, an upper side portion, and a bottom side portion. A weight of the bottom side portion on one side portion is at least 15% lighter than a weight of the bottom side portion on another side portion.
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