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    Heavy-duty pneumatic radial tire and wheel rim assembly
    22.
    发明申请
    Heavy-duty pneumatic radial tire and wheel rim assembly 失效
    重型充气子午线轮胎和轮辋组件

    公开(公告)号：US20020062896A1

    公开(公告)日：2002-05-30

    申请号：US09964382

    申请日：2001-09-28

    Inventor： Ikuji Ikeda

    IPC: B60C009/00

    CPC classification number: B60C3/06 ,  B60C11/00 ,  B60C11/0083 ,  B60C15/0236 ,  Y10S152/06 ,  Y10T152/10765 ,  Y10T152/10819

    Abstract: A heavy-duty pneumatic radial tire and rim assembly ha s a support ring within the tire to support the tire in a deflated condition, wherein the inner diameter Di of the inside bead portion which is inside with respect to the vehicle is substantially 80 to 200 mm larger than the inner diameter Do of the outside bead portion.

    Abstract translation: 重型充气子午线轮胎和轮辋组件在轮胎内支撑环，以在放气状态下支撑轮胎，其中相对于车辆内侧的内胎圈部分的内径Di基本上为80至200mm 大于外侧胎圈部的内径Do。

    Tire having a constantly decreasing diameter
    23.
    发明授权
    Tire having a constantly decreasing diameter 失效
    轮胎直径不断减小

    公开(公告)号：US5975176A

    公开(公告)日：1999-11-02

    申请号：US087762

    申请日：1998-05-29

    Applicant: John R. Scott

    Inventor： John R. Scott

    IPC: B60C3/06 ,  B60C11/03 ,  B60C19/00 ,  B60C11/00 ,  B60C13/00

    CPC classification number: B60C3/06 ,  B60C19/001 ,  B60C2011/0388 ,  Y10S152/06 ,  Y10T152/10504

    Abstract: A tire having a decreasing profile diameter includes an outside sidewall with a greater height than the inside sidewall. The inner diameters of each sidewall are preferably identical. The outer diameter of the outside sidewall is greater than the outer diameter of the inside sidewall. The cross-section of the width of the tread has a substantially constant thickness from the inside tread diameter to the tread surface of the tire. The depth of the tread is preferably constant across the width of the tread surface.

    Abstract translation: 具有减小的轮廓直径的轮胎包括具有比内侧壁更大的高度的外侧壁。 每个侧壁的内径优选相同。 外侧壁的外径大于内侧壁的外径。 胎面宽度的横截面从内胎面直径到轮胎的胎面表面具有基本恒定的厚度。 胎面的深度优选在胎面表面的宽度上是恒定的。

    Pneumatic tire with differently shaped bead portions
    25.
    发明授权
    Pneumatic tire with differently shaped bead portions 失效
    具有不同形状的胎圈部分的气动轮胎

    公开(公告)号：US5458175A

    公开(公告)日：1995-10-17

    申请号：US174250

    申请日：1993-12-28

    Applicant: Shinichi Matsuura ,  Kenji Tagashira

    Inventor： Shinichi Matsuura ,  Kenji Tagashira

    IPC: B60C15/02 ,  B60C15/024 ,  B60C3/04 ,  B60C3/06

    CPC classification number: B60C15/024 ,  B60C15/0236 ,  Y10S152/06 ,  Y10T152/10819

    Abstract: The invention is directed to a pneumatic tire that can be mounted on a rim (wheel) to assure good engagement with the rim while preventing the occurrence of rim offsets. The bead portion 4a (as indicated by a solid line in FIG. 1) on the front side of a tire 1 which is later mounted on the rim has a bead base diameter .phi..sub.1, a toe portion angle .phi..sub.1, a contact angle .alpha..sub.1 , and a heel portion radius R.sub.1, whereas the bead portion 4b (as indicated by a dashed line in FIG. 1) on the back side of the tire which is first mounted on the rim has a bead base diameter .phi..sub.2, a toe portion angle .theta..sub.2, a contact angle .alpha..sub.2 and a heel portion radius R.sub.2. The bead portion 4a on the front side has a different shape than the bead portion 4b on the back side and the following two relationships hold between the two bead portions; the angle of .theta..sub.2 of the toe portion on the back side should be greater than the angle .theta..sub.1 of the toe portion on the front side, with the difference between the two angles being not more than 4.degree. (4.degree..gtoreq..theta..sub.2 -.theta..sub.1 >0.degree.); and the bead base diameter .phi..sub.2 on the back side should be greater than the bead base diameter .phi..sub.1 on the front side (.phi..sub.2 >.phi..sub.1); preferably, the difference between the bead base diameters on the two sides (.phi..sub.2 -.phi..sub.1) is 2 mm or less (.phi..sub.2 -.phi..sub.1 .ltoreq.2 mm).

    Abstract translation: 本发明涉及一种可以安装在轮辋上的充气轮胎，以确保与边缘的良好接合，同时防止轮缘偏移的发生。 稍后安装在轮辋上的轮胎1的前侧的胎圈部分4a（如图1中的实线所示）具有胎圈基底直径Φ1，趾部角度φ1，接触角α 1和后跟部分半径R1，而首先安装在轮辋上的轮胎背侧的胎圈部分4b（如图1中的虚线所示）具有胎圈基底直径Φ2，趾部 部分角度θ2，接触角α2和跟部部分半径R2。 前侧的胎圈部4a具有与后侧的胎圈部4b不同的形状，并且在两个胎圈部之间保持以下两个关系。 背面侧的脚趾部的角度θ2应大于前侧的脚趾部的角度θ1，两个角度之间的差不超过4°（4°）=θ 2θ1> 0°）; 背面侧的胎圈基底直径φi2应大于前侧（phi 2> phi 1）上的胎圈基底直径φ1。 优选地，两侧（phi 2-phi 1）之间的胎圈基部直径之间的差为2mm或更小（phi 2- phi 1≤2mm）。

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