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公开(公告)号：WO2019133007A1
公开(公告)日：2019-07-04
申请号：PCT/US2017/069137
申请日：2017-12-30
Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN , BURESH, Patrick Jon , SCHOENMAKER, Jason , DILLON, Robert , CHECK, Phillip William , THOMPSON, William Marshall
Inventor： BURESH, Patrick Jon , SCHOENMAKER, Jason , DILLON, Robert , CHECK, Phillip William , THOMPSON, William Marshall
CPC classification number: B60C11/0332 , B60C11/0306 , B60C11/033 , B60C11/1392 , B60C2011/0341 , B60C2011/0358 , B60C2011/0383 , B60C2011/129
Abstract: Embodiments of the disclosure include pneumatic tires having improved snow performance. Said tires include a cap ply extending at least partially across a full width of at least one of the belt plies and having a rupture force greater than 210 N per 15 mm of cap ply width. A shoulder rib includes a compliance groove or sipe extending primarily in a circumferential direction and to a depth equal to or less than 75% of the skid depth. The lateral sipes and grooves are arranged to provide an average lateral feature spacing of less than 15 mm. The average inclination angle for the lateral grooves is greater than 6 degrees in the shoulder ribs and is greater than 20 degrees in the central ribs. A longitudinal non-lateral sipe edge density is greater than 21.1 micrometers/mm 2 . A longitudinal lateral sipe edge density for all lateral sipes is greater than 5.5 micrometers/mm 2 .
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公开(公告)号：WO2019133010A1
公开(公告)日：2019-07-04
申请号：PCT/US2017/069141
申请日：2017-12-30
Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN , BURESH, Patrick Jon , SCHOENMAKER, Jason , DILLON, Robert , CHECK, Phillip William , THOMPSON, William Marshall
Inventor： BURESH, Patrick Jon , SCHOENMAKER, Jason , DILLON, Robert , CHECK, Phillip William , THOMPSON, William Marshall
CPC classification number: B60C9/18 , B60C9/2006 , B60C9/22 , B60C11/005 , B60C11/01 , B60C2009/1828 , B60C2009/2016 , B60C2009/2019 , B60C2009/2228
Abstract: Embodiments of the disclosure include a pneumatic tire having improved high speed limits while generally maintaining wear, traction, and handling performance. Said tires include a cap ply extending substantially across a full width of at least one of the belt plies and being arranged at least partially within each shoulder, the cap ply forming a layer of elastomeric material reinforced with a plurality of elongate reinforcements spaced apart in an array, the cap ply being characterized as having a rupture force greater than 210 N per 15 mm of the cap ply width. In each shoulder area of said tires, the tread is characterized as being flatter and having a greater tread thickness.
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公开(公告)号：WO2019133009A1
公开(公告)日：2019-07-04
申请号：PCT/US2017/069139
申请日：2017-12-30
Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN , BURESH, Patrick Jon , SCHOENMAKER, Jason , DILLON, Robert , CHECK, Phillip William , THOMPSON, William Marshall
Inventor： BURESH, Patrick Jon , SCHOENMAKER, Jason , DILLON, Robert , CHECK, Phillip William , THOMPSON, William Marshall
CPC classification number: B60C11/005 , B60C9/0007 , B60C11/12 , B60C2009/0085 , B60C2009/1857 , B60C2009/2064 , B60C2011/0025 , B60C2011/129
Abstract: Embodiments of the disclosure include pneumatic tires having improved rolling resistance performance. Said tires include a cap ply extending at least partially across a full width of at least one of the belt plies, the cap ply being characterized as having a rupture force greater than 210 N per 15 mm of the cap ply width. Said tires also include an inner layer of elastomeric material free of any elongate reinforcements, the inner layer arranged radially inward from the tread between the tread and any belt plies and cap ply, the inner layer being substantially formed of elastomeric material characterized as having a hysteresis lower than a hysteresis of the elastomeric material forming the tread. Reduced hysteretic belt plies and a compliance groove or sipe may also be arranged within at least one shoulder rib. The tread also include a reduced density of lateral tread features.
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