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    Self-adhesive carbonaceous grains and high density carbon artifacts derived therefrom
    1.
    发明授权
    Self-adhesive carbonaceous grains and high density carbon artifacts derived therefrom 失效
    自粘碳质颗粒和由此产生的高密度碳伪影

    公开(公告)号：US5547654A

    公开(公告)日：1996-08-20

    申请号：US301038

    申请日：1994-09-06

    申请人： Isao Machida ,  Ryuji Fujiura ,  Takashi Kojima ,  Hitoshi Sakamoto

    发明人： Isao Machida ,  Ryuji Fujiura ,  Takashi Kojima ,  Hitoshi Sakamoto

    IPC分类号： C04B35/528 ,  C04B35/83 ,  C01B31/02

    CPC分类号： C04B35/528 ,  C04B35/83

    摘要： Self-adhesive carbonaceous grains for use in the production of high density carbon artifacts and high performance carbon-carbon composites are made by processes such as oxidation and heat treatment of specific mesophase pitches. The present carbonaceous grains exhibit excellent binding properties, shape stability when molded, and high density with higher carbonization yield, providing very high strength artifacts when their properties fall within the specific range of properties defined by their H/C and O/C values. High density carbon artifacts can be easily obtained by molding the grains and carbonizing or graphitizing the same.

    摘要翻译： 用于生产高密度碳伪影和高性能碳 - 碳复合材料的自粘碳质颗粒通过诸如特定中间相沥青的氧化和热处理的方法制备。 本发明的碳质颗粒表现出优异的粘合性能，当模塑时的形状稳定性，以及高密度和较高的碳化收率，当它们的性能落在由其H / C和O / C值定义的特定特性范围内时，提供非常高的强度伪影。 高密度碳伪影可以通过模制成型并使其碳化或石墨化而容易地获得。

    Connecting rod for internal combustion engine and method of manufacture
    2.
    发明授权
    Connecting rod for internal combustion engine and method of manufacture 失效
    内燃机连杆及制造方法

    公开(公告)号：US4827795A

    公开(公告)日：1989-05-09

    申请号：US251061

    申请日：1988-09-27

    申请人： Isao Machida ,  Yasunori Sato ,  Yoshiji Yamada

    发明人： Isao Machida ,  Yasunori Sato ,  Yoshiji Yamada

    IPC分类号： F16C7/00 ,  F16C7/02

    CPC分类号： F16C7/023 ,  Y10T74/2142 ,  Y10T74/2162

    摘要： A connecting rod having a pair of spaced apart flanges parallel to a plane defined by a crankshaft axis and a piston pin axis. A web connects the flanges to form a rod portion having an I-shaped cross section. The inner surfaces of the flanges include a lateral rounded projection adjacent to the flange edges to improve bending and stress characteristics.

    摘要翻译： 连接杆，其具有平行于由曲轴轴线和活塞销轴线限定的平面的一对间隔开的凸缘。 腹板连接凸缘以形成具有I形横截面的杆部分。 凸缘的内表面包括与凸缘边缘相邻的侧向圆形突起，以改善弯曲和应力特性。

    High-Concentration Carburized/Low-Strain Quenched Member and Process for Producing the Same
    4.
    发明申请
    High-Concentration Carburized/Low-Strain Quenched Member and Process for Producing the Same 审中-公开
    高浓度渗碳/低应变淬火构件及其生产方法

    公开(公告)号：US20080156399A1

    公开(公告)日：2008-07-03

    申请号：US11883793

    申请日：2006-02-08

    申请人： Isao Machida ,  Hisashi Abe ,  Toshio Fukushima ,  Koji Horikiri

    发明人： Isao Machida ,  Hisashi Abe ,  Toshio Fukushima ,  Koji Horikiri

    IPC分类号： C23C8/22

    CPC分类号： C23C8/22 ,  C21D1/06 ,  C21D1/78 ,  C21D6/002 ,  C21D9/00 ,  C21D2211/003 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  C23C8/80

    摘要： A super carburized, low-distortion quenched member with higher performance and minimized heat-treatment distortion is provided. A process for the production thereof includes a primary treatment and a secondary treatment. The primary treatment includes heating a steel member for a machine structure to a temperature within an austenite region by vacuum carburizing (low-pressure carburizing) to have carbon dissolved at least at a eutectoid carbon concentration of a surface layer portion of the member and then quenching the member to have at least one of ultrafine carbide and nuclei of the carbide formed in the surface layer portion of the member. The secondary treatment includes subsequently heating and soaking the member to a temperature within the austenite region and then conducting rapid quenching to have ultrafine carbide precipitated in an outermost surface layer portion.

    摘要翻译： 提供了具有更高性能和最小化热处理变形的超渗碳低失真淬火构件。 其生产方法包括初级处理和二级处理。 主要处理包括通过真空渗碳（低压渗碳）将机械结构的钢构件加热到奥氏体区域内的温度，使得至少在构件的表层部分的共析碳浓度上溶解碳，然后淬火 所述构件具有形成在所述构件的表面层部分中的碳化物和碳化物的至少一种。 二次处理包括随后将构件加热和浸泡到奥氏体区域内的温度，然后进行快速淬火以在最外表面层部分中析出超细碳化物。