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    • 73. 发明授权
    • Method of manufacturing a laminar ring
    • 制造层状环的方法
    • US08815020B2
    • 2014-08-26
    • US13518997
    • 2009-12-25
    • Koji NishidaYuji Suzuki
    • Koji NishidaYuji Suzuki
    • C23C8/24
    • C23C8/24B21D35/007B21D53/14B21D53/16C21D1/06C21D9/00C21D9/40C23C8/02C23C8/04C23C8/26C23C8/80F16G5/16
    • A method of manufacturing a laminar ring, which permits an improvement of efficiency of a nitriding treatment of a plurality of metallic band members which constitute the laminar ring is provided. The method includes a nitriding treatment step of subjecting first through ninth metallic band members to a nitriding treatment wherein the metallic band members are kept in an atmosphere including a nitriding gas by a predetermined concentration, for a predetermined length of time, while gaps are formed between circumferential portions of adjacent ones of the metallic band members laminated on each other such that a position of the gaps is moved relative to the metallic band members in a circumferential direction of the metallic band members, to permit nitrogen to diffuse into surface portions of the metallic band members, so that the nitriding gas can be sufficiently supplied between the adjacent ones of the metallic band members over their entire circumference, to permit the metallic band members to be sufficiently nitrided, even when the nitriding treatment is performed while the metallic band members are laminated on each other, whereby the metallic band members can be sufficiently nitrided, making it possible to increase the number of the metallic band members that can be nitrided at one time, and improve efficiency of the nitriding treatment of the metallic band members.
    • 提供一种制造层状体的方法,其允许提高构成层状环的多个金属带构件的氮化处理的效率。 该方法包括氮化处理步骤,使第一至第九金属带件经受氮化处理,其中金属带部件保持在包含氮化气体的气氛中预定浓度,预定的时间长度,同时在 相邻的金属带构件的圆周部分彼此层叠,使得间隙的位置相对于金属带构件在金属带构件的圆周方向上移动,以允许氮扩散到金属的表面部分 使得氮化气体可以在其整个圆周上相邻的金属带部件之间充分供应,以使得金属带部件被充分氮化,即使当金属带部件是氮化处理时, 彼此层压,由此金属带构件可以是足够的 可以增加可以一次氮化的金属带部件的数量,提高金属带部件的氮化处理效率。
    • 80. 发明授权
    • Method of producing ring member
    • 制造环件的方法
    • US08281629B2
    • 2012-10-09
    • US12812695
    • 2009-01-16
    • Yuji Suzuki
    • Yuji Suzuki
    • B21D39/02B21D51/28
    • B23P15/00B21D53/14B21D53/16F16G5/16Y10T29/49893
    • A method of producing a ring member includes a cutting process in which a rectangular sheet is formed by cutting a strip-shaped material pulled out from a coiled material; a joining process in which opposite edges of the sheet are butted, and a cylindrical member is formed by joining the edges to each other; and a ring formation process in which a ring member is formed by cutting the cylindrical member in a direction perpendicular to an axis of the cylindrical member. In the cutting process, the strip-shaped material is i) cut along one of a first section line parallel to an edge of the strip-shaped material facing a direction in which the strip-shaped material is pulled, or a second section line perpendicular to the edge, and then ii) cut along the other of the first or second section line, that is perpendicular to the line previously cut.
    • 环形构件的制造方法包括:通过切割从卷绕材料拉出的带状材料形成矩形片材的切割工序; 接合处理,其中片材的相对边缘对接,并且通过将边缘彼此接合而形成圆柱形构件; 以及环形成方法,其中环形构件通过沿垂直于圆柱形构件的轴线的方向切割圆柱形构件而形成。 在切割过程中,带状材料是i)沿平行于带状材料的边缘的第一截面线切割,该条形材料的边缘面向带状材料被拉动的方向,或者垂直于第二截面线 到边缘,然后ii)沿着先前切割的线垂直的第一或第二截面线中的另一个切割。