公开(公告)号：US20150231929A1

公开(公告)日：2015-08-20

申请号：US14622008

申请日：2015-02-13

Applicant: Sumitomo Rubber Industries Ltd.

Inventor： Naoya NAGAHARA

IPC: B60C11/04 ,  B60C11/12 ,  B60C11/03

CPC classification number: B60C11/042 ,  B60C11/0304 ,  B60C11/0306 ,  B60C11/04 ,  B60C11/12 ,  B60C2011/0341 ,  B60C2011/0353 ,  B60C2011/0358 ,  B60C2011/0372 ,  B60C2011/0381 ,  B60C2011/0388

Abstract: A pneumatic tire includes a tread portion provided with circumferentially extending main grooves and lateral grooves. The main grooves include an inboard shoulder main groove, an outboard shoulder main groove, an inboard center main groove and an outboard center main groove. The lateral grooves includes a plurality of first outboard shoulder lateral grooves each having an axially inner end positioned between the outboard shoulder main groove and the outboard center main groove, and a plurality of first inboard shoulder lateral grooves each having an axially inner end positioned between the inboard shoulder main groove and the inboard center main groove, wherein the number of the first inboard shoulder lateral grooves is greater than the number of the first outboard shoulder lateral grooves.

Abstract translation: 一种充气轮胎包括具有周向延伸的主槽和横向槽的胎面部。 主槽包括内侧肩主槽，外侧肩主槽，内侧中心主槽和外侧中心主槽。 横向槽包括多个第一外侧肩部侧向槽，每个第一外侧肩部横向槽具有位于外侧肩主体槽和外侧中心主槽之间的轴向内端，以及多个第一内侧胎肩横向槽，每个第一内侧胎肩横向槽具有位于 内侧胎肩主槽和内侧中心主槽，其中，第一内侧胎肩横向槽的数量大于第一外侧胎肩横向槽的数量。

公开(公告)号：US20160082780A1

公开(公告)日：2016-03-24

申请号：US14844808

申请日：2015-09-03

Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.

Inventor： Naoya NAGAHARA ,  Hiroshi YAMAOKA ,  Seiji INOUE

IPC: B60C11/12 ,  B60C11/13 ,  B60C11/04

CPC classification number: B60C11/042 ,  B60C11/0306 ,  B60C11/1236 ,  B60C11/1392 ,  B60C2011/0341 ,  B60C2011/0353 ,  B60C2011/0355 ,  B60C2011/0381 ,  B60C2011/0383 ,  B60C2011/0388 ,  B60C2011/1209 ,  B60C2011/1254

Abstract: A pneumatic tire 1 has a tread portion 2 provided in a shoulder land region 5 with: axially inner shoulder sipes 8 each extending axially outwardly from a shoulder main groove 3 to its axially outer end 8e terminated within the shoulder land region 5; and axially outer shoulder sipes 9 each extending axially outwardly from its axially inner end 9i located axially outside the axially outer end 8e. The axially inner end 9i of each axially outer shoulder sipe 9 is positioned on an axially outward extension of one of the axially inner shoulder sipes 8.

Abstract translation: 充气轮胎1具有设置在肩部陆地区域5中的胎面部分2，其具有轴向内胎肩刀槽花纹8，每个轴向胎面刀槽花纹8从肩部主沟槽3轴向向外延伸到其肩部陆地区域5中的轴向外端部8e; 和轴向外肩刀槽花纹9，每个轴向外凸轮刀槽花纹9均从其轴向外端部9i轴向向外延伸，轴向外端部9i位于轴向外端部8e的轴向外侧。 每个轴向外胎肩刀槽花纹9的轴向内端9i位于轴向内胎肩刀槽花纹8之一的轴向向外延伸部分上。

公开(公告)号：US20170368882A1

公开(公告)日：2017-12-28

申请号：US15612753

申请日：2017-06-02

Applicant: Sumitomo Rubber Industries, Ltd.

Inventor： Tomoyuki MUKAI ,  Naoya NAGAHARA ,  Shingo NOBUKUNI ,  Eiki OSAWA

IPC: B60C11/03 ,  B60C11/04 ,  B60C11/12

Abstract: A tire includes a tread portion being provided with a circumferentially and continuously extending outboard shoulder main groove, a circumferentially and continuously extending outboard crown main groove disposed between the outboard shoulder main groove and a tire equator, and an outboard middle land portion disposed between the outboard shoulder main groove and the outboard crown main groove. The outboard middle land portion is provided with a plurality of first outboard middle lug grooves extending from the outboard crown main groove and terminating within the outboard middle land portion, and a plurality of second outboard middle lug grooves extending from the outboard shoulder main groove and terminating within the outboard middle land portion, wherein the second outboard middle lug grooves are larger than the first outboard middle lug grooves in length in a tire axial direction.

公开(公告)号：US20150314654A1

公开(公告)日：2015-11-05

申请号：US14701920

申请日：2015-05-01

Applicant: SUMITOMO RUBBER INDUSTRIES LTD.

Inventor： Naoya NAGAHARA ,  Junichi NAGATA ,  Kiyotaka UEYAMA ,  Yoshihiro HADA ,  Hiroshi OKAGAWA

IPC: B60C17/00 ,  B60C15/06 ,  B60C5/00

CPC classification number: B60C17/0009 ,  B60C5/00 ,  B60C15/024 ,  B60C15/0603 ,  B60C2015/0614 ,  Y10T152/10828

Abstract: A pneumatic tire includes a tread, a pair of sidewalls extending from edges of the tread substantially in a radially inward direction, a pair of clinches extending from edges of the sidewalls substantially in the radially inward direction, a pair of beads positioned on axially inner sides of the clinches, and a carcass extending along an inner side of the tread and sidewalls such that the carcass is bridging the pair of beads. Each bead includes a fitting portion extending in a circumferential direction and formed to be fitted to a rim, the fitting portion has a bottom surface positioned on a radially inner side of the fitting portion and a side surface positioned on an axially outer side of the fitting portion, the bottom surface includes a heel on the axially outer side of the fitting portion, and the side surface includes a concave extending in the circumferential direction.

Abstract translation: 充气轮胎包括胎面，一对侧壁，从胎面的边缘基本上沿径向向内的方向延伸，一对钳口从侧壁的大致沿径向向内的方向延伸，一对胎圈，其位于轴向内侧 以及沿着胎面和侧壁的内侧延伸的胎体，​​使得胎体桥接该对胎圈。 每个胎圈包括沿圆周方向延伸并形成为装配到轮辋的装配部分，所述装配部分具有位于所述装配部的径向内侧的底表面和位于所述配件的轴向外侧的侧表面 底面包括在装配部分的轴向外侧上的脚后跟，并且侧表面包括沿圆周方向延伸的凹部。