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    • 5. 发明授权
    • Pneumatic tires suitable for off-road vehicles
    • 气动轮胎适用于越野车
    • US4077454A
    • 1978-03-07
    • US645141
    • 1975-12-29
    • Isao MiyoshiMasaru AbeToshiro TezukaToshio Yoshimoto
    • Isao MiyoshiMasaru AbeToshiro TezukaToshio Yoshimoto
    • B60C9/18B60C9/06B60C9/20B60C9/28B60C11/00
    • B60C11/00B60C9/06B60C9/2006B60C9/2009B60C9/28B60C2200/14Y10T152/1081
    • A pneumatic tire for off-road vehicles comprising a multi-layered carcass and a breaker superimposed about the carcass. The carcass is composed of rubberized ply layers each containing cords formed of organic fiber and inclined at an angle of 23.degree. to 45.degree. with respect to the equatorial line of the tire. The cords of approximately one-half of the carcass plies extend in an opposite direction to the cords associated with the remaining plies. The breaker is composed of at least one rubberized layer each containing reinforcing elements formed of a plurality of filaments whose material having a tensile strength of at least 140 Kg/mm.sup.2, the reinforcing element being inclined at an angle which is not larger than a selected angle of the carcass cord by at least 5.degree. and not smaller than the selected angle of the carcass cord by at least 15.degree.. At least one rubberized layer of the breaker disposed near the tread is extended over a width of 40 to 60% of the tread width.
    • 一种用于越野车辆的充气轮胎,包括叠层在胎体上的多层胎体和断路器。 胎体由橡胶层层组成,每层含有由有机纤维形成的帘线,相对于轮胎的赤道线倾斜23°至45°。 大约一半的胎体帘布层的帘线沿着与剩余帘布层相关联的帘线的相反方向延伸。 断路器由至少一个橡胶层组成,每个橡胶层包含由多根长丝形成的增强元件,所述增强元件的材料具有至少140Kg / mm 2的拉伸强度,加强元件以不大于选定角度的角度倾斜 的胎体帘线至少5°并且不小于胎体帘线的选定角度至少15°。 设置在胎面附近的断路器的至少一个橡胶层在胎面宽度的40至60%的宽度上延伸。
    • 10. 发明授权
    • Graphite powder suitable for negative electrode material of lithium ion secondary batteries
    • 石墨粉适用于锂离子二次电池的负极材料
    • US06576369B1
    • 2003-06-10
    • US09138561
    • 1998-08-24
    • Koji MoriguchiMitsuharu YonemuraKazuhito KameiNoriyuki NegiMasaru AbeHideya Kaminaka
    • Koji MoriguchiMitsuharu YonemuraKazuhito KameiNoriyuki NegiMasaru AbeHideya Kaminaka
    • C01B3104
    • H01M4/583C01B32/20C01P2002/60C01P2006/12C01P2006/40H01M4/133H01M4/622H01M4/623H01M6/10H01M10/0525
    • A graphite powder has surface closed-end structures in which the graphite c-plane layers of the graphite layer crystal lattices have closed-ends on the surface of the graphite powder by linking the ends of one or more pairs of the c-plane layers, leaving interstices which are open on the surface of the graphite. The number of open interstices is at least 100 and at most 1500 per micrometer in a c-axis direction of the graphite. Preferably, the graphite powder has a specific surface area of 1.0 m2/g or less. Such a graphite powder can be prepared either by graphitizing a carbon material, which has been pulverized at a high speed under well-controlled conditions before and/or after the carbonization, or by subjecting a carbon material, which has been pulverized under well-controlled conditions before and/or after the carbonization, to graphitization and then to oxidative heat treatment at a temperature of 600-800° C. and finally to heat treatment at a temperature of 800° C. or higher in an inert gas. The graphite powder can be used to produce negative electrodes of lithium ion secondary batteries having a high discharge capacity of at least 320 mAh/g and a high charge/discharge coulombic efficiency of at least 90%.
    • 石墨粉末具有表面封闭端结构,其中石墨层晶格的石墨c面层通过连接一对或多对c面层的端部而在石墨粉末的表面上具有封闭端, 留下在石墨表面开放的间隙。 在石墨的c轴方向上,开口间隙的数量为至少100个,最高为1500微米。 优选石墨粉的比表面积为1.0m 2 / g以下。 这样的石墨粉末可以通过在碳化之前和/或之后在良好控制的条件下高速粉碎的碳材料进行石墨化,或者通过将被粉碎的碳材料进行良好控制 在碳化之前和/或之后的条件进行石墨化,然后在600-800℃的温度下进行氧化热处理,最后在惰性气体中在800℃以上的温度下进行热处理。 该石墨粉末可用于制造具有至少320mAh / g的高放电容量和高充放电库仑效率至少为90%的锂离子二次电池的负极。