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    • 4. 发明申请
    • SILICA POWDER, PROCESS FOR ITS PRODUCTION, AND COMPOSITION EMPLOYING IT
    • 二氧化硅粉,其生产工艺及组合物
    • US20100204383A1
    • 2010-08-12
    • US12671375
    • 2008-07-25
    • Syuji SasakiHidetoshi NaitoKeishi IizukaYasuhisa Nishi
    • Syuji SasakiHidetoshi NaitoKeishi IizukaYasuhisa Nishi
    • C08K3/36C01B33/12B32B1/00
    • C01B33/181Y10T428/2982
    • To provide a silica powder which is excellent in flowability and packing properties and which is less likely to form a flash, a process for its production, and a composition having it incorporated in at least one of a rubber and a resin, particularly a sealing material.A silica powder containing an ultrafine powder in an amount of from 0.1 to 20 mass % and having an average sphericity of at least 0.85, wherein the ultrafine powder has, as the particle size measured by a dynamic light scattering particle size distribution measuring apparatus, an average particle size of from 150 to 250 nm, a content of particles having a particle size of at most 100 nm being less than 10 mass % (not including 0 mass %) and a content of particles having a particle size exceeding 100 nm and not exceeding 150 nm being from 10 to 50 mass %. A process for producing a silica powder, which comprises spraying a silica powder material to a high temperature zone of at least 1,750° C. formed by a burner for heat treatment, wherein the high temperature zone is formed in a range of from the forward end of the burner to 3.0-4.5 m therefrom, and to such a high temperature zone, a silica powder material containing from 0.05 to 10 mass % of a metal silicon powder is sprayed. A sealing material employing the silica powder of the present invention.
    • 为了提供流动性和包装性能优异并且不太可能形成闪光的二氧化硅粉末,其生产方法和将其结合到橡胶和树脂中的至少一种中的组合物,特别是密封材料 。 含有0.1〜20质量%的超细粉末,平均球形度为0.85以上的二氧化硅粉末,其特征在于,超细粉末作为通过动态光散射粒度分布测定装置测定的粒径, 平均粒度为150〜250nm,粒径为100nm以下的粒子的含量小于10质量%(不含0质量%),粒径超过100nm的粒子的含量为 超过150nm为10〜50质量%。 一种二氧化硅粉末的制造方法,其特征在于,将二氧化硅粉末材料喷射到由用于热处理的燃烧器形成的至少1750℃的高温区域,其中,所述高温区域形成在前端 的燃烧器至3.0-4.5μm,并且在这样的高温区域喷射含有0.05〜10质量%的金属硅粉末的二氧化硅粉末材料。 使用本发明的二氧化硅粉末的密封材料。
    • 6. 发明授权
    • Process for producing connecting rod
    • 连杆生产工艺
    • US5905939A
    • 1999-05-18
    • US888010
    • 1997-07-03
    • Zenzo IshijimaJunichi IchikawaSyuji SasakiJun SakaiHideo ShikataHideo Urata
    • Zenzo IshijimaJunichi IchikawaSyuji SasakiJun SakaiHideo ShikataHideo Urata
    • F16C7/02B21K1/14B22F3/12B22F5/00B23D31/00F16C9/04B22F3/24
    • B22F5/003B23D31/003F16C7/023F16C9/045
    • There is provided a connecting rod including a connecting rod body and a cap having excellent alignment properties, and a method of producing such a connecting rod. A connecting rod body and a cap are produced through the steps of molding green compacts respectively corresponding to the connecting rod body and the cap; sintering and unifying both the green compacts; forging the resultant sintered product in a mold; and fracturing the resultant forged product. The green compact corresponding to the cap and/or the green compact corresponding to the connecting rod body includes opposite circumferential end faces formed with one or more projection. A clearance c is formed between both circumferential end faces of the sintered product due to the projection. With this clearance c, both the circumferential end faces are formed with recesses and projections which are fitted to each other during the forging process and which are relatively large and thus have large biting amounts. During the fracturing process, the recesses and the projections are separated into two pieces.
    • 提供了一种连杆,包括具有优良对准性能的连杆主体和盖,以及制造这种连杆的方法。 通过分别对应于连杆主体和盖的成型压坯的步骤来制造连杆体和盖, 烧结并统一生坯; 将所得烧结产品锻造在模具中; 并破碎所得的锻造产品。 对应于与连杆主体相对应的盖和/或生坯的生坯具有形成有一个或多个突起的相对的周向端面。 由于突起,在烧结体的两个周向端面之间形成有间隙c。 利用该间隙c,两个周向端面形成有在锻造过程中彼此相配合并且相对较大并因此具有大的咬入量的凹部和突起。 在压裂过程中,凹槽和突起被分成两部分。