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    PNEUMATIC TIRE
    1.
    发明公开
    PNEUMATIC TIRE 有权
    LUFTREIFEN

    公开(公告)号：EP1095797A4

    公开(公告)日：2002-05-29

    申请号：EP99951153

    申请日：1999-10-29

    Applicant: BRIDGESTONE CORP

    Inventor： KOBAYASHI KAZUOMI ,  NISHIKAWA TOMOHISA ,  MATSUO KENJI ,  SAWADA HIROKI

    IPC: B60C9/02 ,  B60C9/18 ,  B60C15/00 ,  B60C17/00

    CPC classification number: B60C9/08 ,  B60C9/18 ,  B60C15/0072 ,  B60C17/0009 ,  B60C17/0018 ,  B60C2009/1842 ,  Y10T152/10855

    Abstract: A pneumatic tire (1) comprising a carcass (6) of one or more rubberized plies of radially arranged cords toroidally extending between a pair of bead cores (5) embedded in respective bead portions (2) and reinforcing a pair of sidewall portions (3) and a tread portion (4), a belt (7) of two or more steel cord cross layers (7-1, 7-2) disposed on an outer periphery of the carcass to reinforce the tread portion, and a reinforcing rubber layer (9) arranged in at least a part of a zone ranging from a position near to the bead portion through the sidewall portion to a shoulder region of the tread portion, wherein the belt (7) has end portions at both shoulder regions of the tread portion (4); and at least one cushion rubber layer (14) is provided between the end portion of the belt (7) and the reinforcing rubber layer (9) in the shoulder region and between mutually adjacent tire constitutional members; characterized in that the cushion rubber layer (14) is provided between an innermost carcass ply (6-1) and the reinforcing rubber layer (9); the cushion rubber layer (14) has a loss tangent lower than a loss tangent (tan delta ) of rubber for coating cords of the carcass ply; and the cushion rubber layer (14) has a loss tangent of 0.02 SIMILAR 0.10 under test conditions wherein a temperature is 25 DEG C, an initial tensile load is 160 gf, a dynamic strain is 1.0% and a frequency is 52 Hz.

    Abstract translation: 一种充气轮胎（1），包括一个或多个径向排列的帘线的一个或多个橡胶帘布层的胎体（6），该帘布层在嵌入相应胎圈部分（2）中的一对胎圈芯（5）之间环形地延伸并且增强一对胎侧部分 ）和胎面部分（4）;两个或更多个钢丝帘线交叉层（7-1,7-2）的带（7），其设置在胎体的外周上以加强胎面部分; （9），布置在从靠近胎圈部分穿过侧壁部分的位置到胎面部分的肩部区域的区域的至少一部分中，其中，所述带（7）具有在胎面的胎肩区域 部分（4）; 并且在所述带（7）的所述端部与所述胎肩区域中的所述加强橡胶层（9）之间以及彼此相邻的轮胎构成构件之间设置有至少一个缓冲橡胶层（14） 其特征在于缓冲橡胶层（14）设置在最内胎体帘布层（6-1）和增强橡胶层（9）之间; 缓冲橡胶层（14）的损耗角正切低于胎体帘布层的帘线用橡胶的损耗角正切（tanδ） 在温度为25℃，初始拉伸载荷为160gf，动态应变为1.0％，频率为52Hz的试验条件下，缓冲橡胶层（14）的损耗角正切为0.02〜0.10。

    PNEUMATIC SAFETY TIRE
    2.
    发明公开
    PNEUMATIC SAFETY TIRE 失效
    SICHERHEITSLUFTREIFEN

    公开(公告)号：EP0922593A4

    公开(公告)日：2001-02-28

    申请号：EP97912456

    申请日：1997-11-13

    Applicant: BRIDGESTONE CORP

    Inventor： NISHIKAWA TOMOHISA ,  ITO SHUNGO ,  KINOSHITA KATSUHIKO ,  MATSUO KENJI ,  KOBAYASHI KAZUOMI

    IPC: B60C9/09 ,  B60C9/12 ,  B60C9/14 ,  B60C15/00 ,  B60C17/00 ,  B60C15/06

    CPC classification number: B60C15/0072 ,  B60C9/09 ,  B60C9/12 ,  B60C9/14 ,  B60C17/0009 ,  Y10T152/10513 ,  Y10T152/10864

    Abstract: The present invention provides a pneumatic safety tire comprising a pair of left and right bead cores, a carcass layer, a multi-layer belt portion, a tread portion, and a pair of side wall portions disposed at the left and right of said tread portion, wherein at least one sheet of a rubber-filament fiber composite formed from filament fibers and a rubber component is disposed at said side wall portions in a vicinity of said carcass layer. The safety tire of the present invention maintains the properties during ordinary use under the inflated condition at high levels, has a light weight, and shows remarkably improved properties during use under the run-flat condition.

    Abstract translation: 本发明提供一种气动安全轮胎，其包括一对左右胎圈芯，胎体层，多层带部，胎面部和设置在所述胎面部的左右两侧的一对侧壁部 其特征在于，在所述胎体层附近的所述侧壁部配置有由长丝纤维和橡胶成分形成的橡胶丝纤维复合体的至少一片。 本发明的安全轮胎在充气状态下在普通使用中保持高水平的性能，重量轻，并且在使用期间在平坦状态下显示出显着改善的性能。

    4.
    发明专利
    未知

    公开(公告)号：DE69931636T2

    公开(公告)日：2007-05-24

    申请号：DE69931636

    申请日：1999-10-29

    Applicant: BRIDGESTONE CORP

    Inventor： KOBAYASHI KAZUOMI ,  NISHIKAWA TOMOHISA ,  MATSUO KENJI ,  SAWADA HIROKI

    IPC: B60C17/00 ,  B60C9/02 ,  B60C9/18 ,  B60C15/00

    Abstract: A pneumatic tire (1) comprising a carcass (6) of one or more rubberized plies of radially arranged cords toroidally extending between a pair of bead cores (5) embedded in respective bead portions (2) and reinforcing a pair of sidewall portions (3) and a tread portion (4), a belt (7) of two or more steel cord cross layers (7-1, 7-2) disposed on an outer periphery of the carcass to reinforce the tread portion, and a reinforcing rubber layer (9) arranged in at least a part of a zone ranging from a position near to the bead portion through the sidewall portion to a shoulder region of the tread portion, wherein the belt (7) has end portions at both shoulder regions of the tread portion (4); and at least one cushion rubber layer (14) is provided between the end portion of the belt (7) and the reinforcing rubber layer (9) in the shoulder region and between mutually adjacent tire constitutional members; characterized in that the cushion rubber layer (14) is provided between an innermost carcass ply (6-1) and the reinforcing rubber layer (9); the cushion rubber layer (14) has a loss tangent lower than a loss tangent (tan delta ) of rubber for coating cords of the carcass ply; and the cushion rubber layer (14) has a loss tangent of 0.02 SIMILAR 0.10 under test conditions wherein a temperature is 25 DEG C, an initial tensile load is 160 gf, a dynamic strain is 1.0% and a frequency is 52 Hz.

    5.
    发明专利
    未知

    公开(公告)号：DE69931636D1

    公开(公告)日：2006-07-06

    申请号：DE69931636

    申请日：1999-10-29

    Applicant: BRIDGESTONE CORP

    Inventor： KOBAYASHI KAZUOMI ,  NISHIKAWA TOMOHISA ,  MATSUO KENJI ,  SAWADA HIROKI

    IPC: B60C17/00 ,  B60C9/02 ,  B60C9/18 ,  B60C15/00

    Abstract: A pneumatic tire (1) comprising a carcass (6) of one or more rubberized plies of radially arranged cords toroidally extending between a pair of bead cores (5) embedded in respective bead portions (2) and reinforcing a pair of sidewall portions (3) and a tread portion (4), a belt (7) of two or more steel cord cross layers (7-1, 7-2) disposed on an outer periphery of the carcass to reinforce the tread portion, and a reinforcing rubber layer (9) arranged in at least a part of a zone ranging from a position near to the bead portion through the sidewall portion to a shoulder region of the tread portion, wherein the belt (7) has end portions at both shoulder regions of the tread portion (4); and at least one cushion rubber layer (14) is provided between the end portion of the belt (7) and the reinforcing rubber layer (9) in the shoulder region and between mutually adjacent tire constitutional members; characterized in that the cushion rubber layer (14) is provided between an innermost carcass ply (6-1) and the reinforcing rubber layer (9); the cushion rubber layer (14) has a loss tangent lower than a loss tangent (tan delta ) of rubber for coating cords of the carcass ply; and the cushion rubber layer (14) has a loss tangent of 0.02 SIMILAR 0.10 under test conditions wherein a temperature is 25 DEG C, an initial tensile load is 160 gf, a dynamic strain is 1.0% and a frequency is 52 Hz.

    6.
    发明专利
    未知

    公开(公告)号：DE69927310T2

    公开(公告)日：2006-06-29

    申请号：DE69927310

    申请日：1999-02-26

    Applicant: BRIDGESTONE CORP

    Inventor： KOBAYASHI KAZUOMI ,  NISHIKAWA TOMOHISA ,  MATSUO KENJI

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

    Abstract: A pneumatic tire comprises a carcass (6) of at least one rubberized ply of a radial arrangement, a belt (7) comprised of two or more cross cord layers, and a pair of thick reinforcing strip rubbers (8) located at an inner face side of the carcass and having a crescent shape in section thereof. A bead filler rubber (9) and the reinforcing strip rubber (8) each have a specified JIS hardness at 25 DEG C of not less than 70 degrees and a rebound resilience at 25 DEG C of not less than 65%, and a ratio of JIS A hardness of the reinforcing strip rubber to JIS A hardness of the bead filler rubber is within a range of 0.9-1.15.

    9.
    发明专利
    未知

    公开(公告)号：DE69727302T2

    公开(公告)日：2005-02-17

    申请号：DE69727302

    申请日：1997-11-13

    Applicant: BRIDGESTONE CORP

    Inventor： NISHIKAWA TOMOHISA ,  ITO SHUNGO ,  KINOSHITA KATSUHIKO ,  MATSUO KENJI ,  KOBAYASHI KAZUOMI

    IPC: B60C9/09 ,  B60C9/12 ,  B60C9/14 ,  B60C15/00 ,  B60C17/00 ,  B60C15/06

    Abstract: The present invention provides a pneumatic safety tire comprising a pair of left and right bead cores, a carcass layer, a multi-layer belt portion, a tread portion, and a pair of side wall portions disposed at the left and right of said tread portion, wherein at least one sheet of a rubber-filament fiber composite formed from filament fibers and a rubber component is disposed at said side wall portions in a vicinity of said carcass layer. The safety tire of the present invention maintains the properties during ordinary use under the inflated condition at high levels, has a light weight, and shows remarkably improved properties during use under the run-flat condition.

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