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公开(公告)号：US11220138B2
公开(公告)日：2022-01-11
申请号：US16117764
申请日：2018-08-30
Applicant: Sumitomo Rubber Industries, Ltd.
Inventor： Tomoyuki Kujime
Abstract: A tire comprises a tread portion provided with two circumferential grooves disposed one each side of the tire equator and extending continuously in the tire circumferential direction, and a shoulder land region defined on the axially outside of each of the two circumferential grooves. The shoulder land region is provided with oblique grooves inclined with respect to the tire axial direction. The oblique grooves include first oblique grooves having axially inner ends, and second oblique grooves having axially inner ends positioned axially outside the axially inner ends of the first oblique grooves.
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公开(公告)号：US11014410B2
公开(公告)日：2021-05-25
申请号：US16112355
申请日：2018-08-24
Applicant: Sumitomo Rubber Industries, Ltd.
Inventor： Koji Matsuura , Tomoyuki Kujime
Abstract: A tire comprises a tread portion provided with two circumferential grooves disposed one each side of the tire equator and extending continuously in the tire circumferential direction, and a crown land region between the two circumferential grooves. The crown land region is provided with first crown sipes extending from one of the circumferential grooves and terminating within the crown land region, and second crown sipes extending from the other circumferential groove and terminating within the crown land region.
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公开(公告)号：US09783005B2
公开(公告)日：2017-10-10
申请号：US14636735
申请日：2015-03-03
Applicant: Sumitomo Rubber Industries, Ltd.
Inventor： Tomoyuki Kujime
CPC classification number: B60C11/0304 , B60C11/0306 , B60C11/04 , B60C11/12 , B60C11/13 , B60C11/1369 , B60C11/1392 , B60C2011/0353 , B60C2011/0358 , B60C2011/0369 , B60C2011/0381 , B60C2011/0386 , B60C2011/0388
Abstract: A pneumatic tire has a tread portion 2 provided with: an outboard shoulder main groove 4 and an outboard crown main groove 6 extending circumferentially of the tire; first outboard shoulder axial grooves 12a extending from an outboard tread edge Teo to the outboard shoulder main groove 4; second outboard shoulder axial grooves 12b extending from the outboard tread edge Teo and terminating without reaching to the outboard shoulder main groove 4; first outboard middle axial grooves 16 extending from the outboard shoulder main groove 4 and terminating without reaching to the outboard crown main groove 6; and second outboard middle axial groove 22 extending from the outboard crown main groove 6 and terminating without reaching to the outboard shoulder main groove 4. The first outboard middle axial grooves 16 are aligned with the first outboard shoulder axial grooves 12a, respectively, so as to smoothly continue to the first outboard shoulder axial grooves 12a through the outboard shoulder main groove 4.
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公开(公告)号：USD838665S1
公开(公告)日：2019-01-22
申请号：US29604057
申请日：2017-05-15
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Designer： Tomoyuki Kujime
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公开(公告)号：USD826841S1
公开(公告)日：2018-08-28
申请号：US35502305
申请日：2016-07-19
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Designer： Tomoyuki Kujime
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Patent Agency Ranking
公开(公告)号：US10766310B2
公开(公告)日：2020-09-08
申请号：US15710304
申请日：2017-09-20
Applicant: Sumitomo Rubber Industries, Ltd.
Inventor： Tomoyuki Kujime , Hiroshi Okagawa
Abstract: A pneumatic tire includes a tread portion provided with a crown land region and middle land regions provided with only sipes, and shoulder land regions provided with shoulder rug grooves and connecting sipes. The tread portion is provided with a crown tread profile having a radius of curvature, a middle tread profile having a radius of curvature, and a shoulder tread profile having a radius of curvature which satisfy a magnitude relation Rc>Rm>Rs. First interconnecting positions at which the crown tread profile connects with the middle tread profiles are positioned in the respective middle land regions. Second interconnecting positions at which the middle tread profiles connect with the shoulder tread profiles are positioned in the respective shoulder land regions and axially inside the inner ends of the shoulder rug grooves.
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公开(公告)号：US09884520B2
公开(公告)日：2018-02-06
申请号：US14711068
申请日：2015-05-13
Applicant: SUMITOMO RUBBER INDUSTRIES LTD.
Inventor： Tomoyuki Kujime
CPC classification number: B60C15/0603 , B60C11/0304 , B60C11/0306 , B60C11/1369 , B60C15/0018 , B60C15/0081 , B60C15/0236 , B60C15/05 , B60C15/0607 , B60C17/0009 , B60C2011/0353 , B60C2011/0381 , B60C2011/0388 , B60C2015/061 , B60C2015/0614 , B60C2015/0696
Abstract: A pneumatic tire having a designated orientation for mounting to a vehicle includes a tread, sidewalls, beads including bead cores, respectively, and a carcass including a carcass ply. Each bead includes a rubber apex, an outer bead and an inner bead, the rubber apex includes an outer apex portion and an inner apex portion, the outer apex portion includes a first outer apex portion positioned inward from the carcass ply in the axial direction and a second outer apex portion positioned outward from the carcass ply in the axial direction, the inner apex portion includes a first inner apex portion positioned inward from the carcass ply in the axial direction and a second inner apex portion positioned outward from the carcass ply in the axial direction, and the second outer apex portion has height which is greater than height of the second inner apex portion in the radial direction.
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公开(公告)号：US11135877B2
公开(公告)日：2021-10-05
申请号：US16106842
申请日：2018-08-21
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Inventor： Tomoyuki Kujime , Hiroshi Okagawa
Abstract: A tire includes an outboard tread edge and an inboard tread edge to be located on an outboard side and an inboard side of a vehicle, respectively, circumferentially and continuously extending main grooves, and land portions divided by the main grooves. The land portions include an outboard shoulder land portion, an outboard middle land portion, an inboard shoulder land portion, and an inboard middle land portion. Each of the outboard shoulder land portion, the inboard shoulder land portion, and the inboard middle land portion is provided with axially extending lateral grooves. The outboard middle land portion is provided with outboard middle lateral grooves extending from an edge of the outboard middle land portion on the outboard tread edge side toward the inboard tread edge. The outboard middle lateral grooves are inclined with respect to a tire circumferential direction at angles smaller than those of the lateral grooves.
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公开(公告)号：US10967683B2
公开(公告)日：2021-04-06
申请号：US15711611
申请日：2017-09-21
Applicant: Sumitomo Rubber Industries, Ltd.
Inventor： Tomoyuki Kujime , Hiroshi Okagawa
Abstract: The pneumatic tire comprises a tread portion 2 provided with first sipes 25 and second sipes 26 and having a first tread half portion 21 and a second tread half portion 22. The first sipes 25 are smoothly continued from a crown land region 10 in the second tread half portion 22 to a shoulder land region 13 in the first tread half portion 21 through a crown main groove 3 and a shoulder main groove 5. The second sipes 26 extend from the crown land region 10 in the second tread half portion 22 toward a second tread edge Te2.
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公开(公告)号：US10518592B2
公开(公告)日：2019-12-31
申请号：US15302203
申请日：2015-04-15
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Inventor： Tomoyuki Kujime
Abstract: A pneumatic tire comprises a carcass formed of a carcass ply extending between a pair of bead portions in a toroidal shape, and a bead core disposed in a respective one of the bead portions, the bead core comprising an axially inner core and an axially outer core respectively disposed on an axially inner side and the axially outer side of the carcass ply. The bead portion comprises an inner bead apex rubber extending radially outward from the inner core, and an outer bead apex rubber extending radially outward from the outer core. An outer apex height Ho from a bead base line to a outer end of the outer bead apex rubber is in a range of from 120% to 150% of an inner apex height Hi from the bead base line to the outer end of the inner bead apex rubber.
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