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    • 2. 发明申请
    • PNEUMATIC TYRE AND WHEEL ASSEMBLY
    • 气动轮胎和轮子组装
    • WO1992014619A1
    • 1992-09-03
    • PCT/GB1992000306
    • 1992-02-20
    • HOLROYD ASSOCIATES LIMITEDHOLROYD, EricHOLROYD, Colin
    • HOLROYD ASSOCIATES LIMITED
    • B60C11/22
    • B60C11/22B29D30/20B60B11/04B60C2003/005
    • A pneumatic tyre and wheel assembly (10) particularly suitable for heavy duty use to replace a side-by-side pair of coaxial tyres comprises a flexible reinforced partition wall (17) which extends between the tyre tread region (15) and a third bead region (16) disposed between the bead regions (13) of the sidewalls (14). The third bead region (16) is dimensioned to seal against a wheel rim (11) such that the resulting tyre and wheel assembly (10) may comprise two independently pressurisable chambers (25, 26). Forces tending to deform the tyre either radially or transversely will place an upper part of the partition wall (17) in tension, tending to maintain the shape of the tyre. By this arrangement the need for heavy, stiff sidewalls (14) is avoided.
    • 的区域之间延伸的车轮和轮胎组件(10),特别适合于大量使用,以及用于替换对并列的同轴的轮胎,包括一个分隔壁(17)柔性加强件(17) 胎面(15)和位于胎圈区域(13)和侧壁(14)之间的第三胎圈区域(16)。 第三胎圈区域(16)的尺寸允许其紧密地靠着轮辋(11)密封,使得所得到的轮胎 - 轮胎组件(10)可以包括两个腔室(25)。 ,26)独立加压。 倾向于在轮胎上产生径向或横向变形的力将激励分隔壁(17)的上部,由此保持轮胎的形状。 由于这种安排,避免使用重的和刚性的侧面(14)。
    • 8. 发明申请
    • BEAD REINFORCEMENT CONSTRUCTION
    • 珠加固结构
    • WO1989004259A1
    • 1989-05-18
    • PCT/GB1988000984
    • 1988-11-14
    • HOLROYD ASSOCIATES LIMITEDHOLROYD, EricWRIGHT, Anthony, Richard
    • HOLROYD ASSOCIATES LIMITED
    • B60C15/04
    • B29D30/48B60C15/04Y10T152/10819Y10T428/249943Y10T442/627
    • The reinforcement for the bead of e.g. a pneumatic tyre, a rolling lobe diaphragm or an air spring is constructed by winding onto a mandrel or former alternate layers of naked wire (13) and flat, uncured rubber strip (12). Rubber (12A) is wound on before wire winding commences and continues after wire winding stops, so that the assembly exposes no cut wire end. After the winding operation the assembly is subjected to heat and pressure so that all the wire is embedded in and surrounded by an integrated, vulcanised rubber body. The rubber layers may be parallel with and on opposite sides of the layers of spaced wire windings or, as shown, a given rubber winding such as (12C) may have wire windings (13A, 13B) and (13C, 13D) on its radially opposite sides. The windings, both of rubber and wire, may be discrete loops or may be made by helically winding a single rubber strip or wire. The shape of the assembly as well as the volume of rubber at any position therein may be controlled by varying the tension under which the rubber strip and/or the wire is wound.
    • 例如,珠的增强。 通过卷绕到裸线(13)和平坦的未固化橡胶条(12)的心轴或前交替层上来构造充气轮胎,滚动凸缘隔膜或空气弹簧。 在卷线开始之前,橡胶(12A)被缠绕,并且在绕线停止之后继续,使得组件露出没有切割的线端。 在卷绕操作之后,组件经受热和压力,使得所有的线被嵌入并被一体化的硫化橡胶体包围。 橡胶层可以与间隔开的线绕组的层平行并相对侧,或者如图所示,给定的橡胶绕组(12C)可以在其径向上具有线绕组(13A,13B)和(13C,13D) 对面。 橡胶和电线两者的绕组可以是分立的环,或者可以通过螺旋缠绕单个橡胶条或线制成。 组件的形状以及橡胶在其中任何位置的体积可以通过改变橡胶条和/或线缠绕的张力来控制。
    • 10. 发明申请
    • BEAD FILLER CONSTRUCTION
    • 珠填料施工
    • WO1989004250A1
    • 1989-05-18
    • PCT/GB1988000985
    • 1988-11-14
    • HOLROYD ASSOCIATES LIMITEDHOLROYD, EricWRIGHT, Anthony, Richard
    • HOLROYD ASSOCIATES LIMITED
    • B29D30/48
    • B60C15/06B29D30/48B29D2030/482B60C15/0607
    • In the manufacture of a pneumatic tyre the approximately triangular space immediately radially inward of each bead of the tyre is filled by an apex construction (13C) made by helically winding uncured rubber strip. The tapered configuration is achieved by winding from a position progressively closer to a support surface (20) so that the windings become progressively more oblique. Width reduction of the rubber strip can be achieved by subjecting it to progressively greater tension during winding. The winding of the apex formation (13C) may be interrupted while and end of a carcass ply (18) is turned over the bead (10A) and incomplete apex (13C). Turns (19) of unsheathed wire may be wound over the carcass ply end and then winding of the uncured rubber strip continued until the apex formation (13C) is completed. In one modification (Figure 5) the carcass ply is incorporated in a wound bead assembly. In another (Figure 3) windings of a harder material such as Kevlar are interposed between windings of uncured rubber.
    • 在充气轮胎的制造中,轮胎的每个胎圈的径向向内的近似三角形的空间由未固化的橡胶条螺旋缠绕的顶点结构(13C)填充。 锥形配置通过从逐渐靠近支撑表面(20)的位置卷绕来实现,使得绕组逐渐变得更倾斜。 橡胶条的宽度减小可以通过在卷绕期间使其逐渐变大的张力来实现。 当胎体帘布层(18)和胎圈(10A)和不完全顶点(13C)翻转时,可以中断顶点形成(13C)的卷绕。 未卷起的丝线的转动(19)可以卷绕在胎体帘布层末端上,然后连续未固化的橡胶条的卷绕直到顶点形成(13C)完成。 在一个修改(图5)中,将胎体帘布层结合在缠绕珠组件中。 在另一(图3)中,诸如凯夫拉尔之类的较硬材料的绕组置于未固化橡胶的绕组之间。