Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk
    55.
    发明授权
    Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk 有权
    磁盘用玻璃坯料的制造方法,磁盘用玻璃基板的制造方法

    公开(公告)号:US09336810B2

    公开(公告)日:2016-05-10

    申请号:US13982877

    申请日:2012-04-27

    IPC分类号: C03B11/12 G11B5/84 C03B11/08

    摘要: A method for manufacturing a glass substrate for magnetic disk is provided in which a glass is kept from being fused to a mold during press forming and shape processing to achieve a good circularity is efficiently performed. The method includes: a forming process of forming a disk-shaped glass blank by direct-pressing a molten glass by a pair of dies; and a shape processing process of performing at least one of inner hole formation and outer shape formation for forming a disk-shaped glass substrate by forming a cutting line on the principal face of the glass blank, followed by growing the cutting line to perform cutting. In the forming process, press forming is performed while the temperature of the pair of dies, over a period of time until a molten glass is separated from the die after coming into contact with the die, is set at a temperature lower than a glass transition point (Tg) and a mold release material is not attached to the surfaces of the pair of dies.

    摘要翻译: 提供一种用于制造用于磁盘的玻璃基板的方法,其中在压制成形期间保持玻璃不熔化到模具,并且有效地执行形状处理以实现良好的圆形度。 该方法包括:通过一对模具直接压制熔融玻璃来形成盘状玻璃坯料的成形过程; 以及通过在玻璃坯料的主面上形成切割线,进行用于形成圆盘状的玻璃基板的内孔形成和外形形成中的至少一种的形状加工工序,然后使切割线成长进行切削。 在成形过程中,一边进行压制成形,一边在与模具接触的熔融玻璃与模具分离一段时间的一段时间内,将其设定为低于玻璃化转变温度 点(Tg)和脱模材料未附接到该对模具的表面。

    Continuously variable transmission
    56.
    发明授权
    Continuously variable transmission 有权
    连续可变传动

    公开(公告)号:US08961363B2

    公开(公告)日:2015-02-24

    申请号:US13394596

    申请日:2011-03-29

    IPC分类号: F16H15/40 F16H15/28

    CPC分类号: F16H15/40 F16H15/28

    摘要: Provided with first and second rotational members, a sun roller, a plurality of planetary balls sandwiched between the first and second rotational members, a support shaft of each of the planetary balls, a shaft, a carrier, an iris plate and a worm gear for tilting each of the planetary balls, and an input shaft and an output shaft individually fixed to the first and second rotational members, respectively, in which a movable amount of the sun roller relative to the carrier in an axis line direction is set to be smaller than the movable amount of the second rotational member relative to the carrier in the axis line direction when the input shaft is arranged so as to be relatively rotatable on an outer peripheral surface of the output shaft.

    摘要翻译: 设置有第一和第二旋转构件,太阳辊,夹在第一和第二旋转构件之间的多个行星球,每个行星球的支撑轴,轴,载体,光圈板和蜗轮, 倾斜每个行星球,以及分别固定到第一和第二旋转构件的输入轴和输出轴,其中太阳滚轴相对于载体在轴线方向上的可移动量设定为较小 当输入轴布置成在输出轴的外周表面上可相对旋转时,第二旋转构件相对于托架的可移动量沿轴线方向。

    Method of producing glass blank for substrate of information recording medium, substrate for information recording medium, and information recording medium; and manufacturing apparatus for glass blank for substrate of information recording medium
    57.
    发明授权
    Method of producing glass blank for substrate of information recording medium, substrate for information recording medium, and information recording medium; and manufacturing apparatus for glass blank for substrate of information recording medium 有权
    信息记录介质用基板的玻璃坯料的制造方法,信息记录介质用基板,信息记录介质的制造方法, 以及信息记录介质用基板用玻璃坯料的制造装置

    公开(公告)号:US08931308B2

    公开(公告)日:2015-01-13

    申请号:US13363464

    申请日:2012-02-01

    申请人: Akira Murakami

    发明人: Akira Murakami

    摘要: A method of manufacturing a glass blank for a substrate for an information recording medium, the method including steps of: cutting out a gob of a glass material from a molten glass material by cutting the molten glass material discharged from a glass material outlet at a predetermined timing; causing the gob of the glass material to fall downwardly; pinching and pressing the gob of the glass material by a press unit having a pair of molds, the molds' surfaces facing to each other being press surfaces which are planes without an unevenness, so as to contact the falling gob of the glass material only to the press surfaces; and forming a circular flat plate-shaped glass blank having a target flatness as a glass substrate for a magnetic disk such that a ratio between a diameter and a thickness of the glass blank is within a range of from 50:1 to 150:1, from the gob of the glass material.

    摘要翻译: 一种制造用于信息记录介质的基板的玻璃坯料的方法,所述方法包括以下步骤:通过以预定的方式切割从玻璃材料出口排出的熔融玻璃材料,从熔融玻璃材料切出玻璃材料的料滴 定时; 导致玻璃材料的料滴向下落下; 通过具有一对模具的压制单元夹紧和挤压玻璃材料的料滴,模具表面彼此面对是作为不具有凹凸的平面的压制表面,以便仅将玻璃材料的落下的料滴接触到 压力表面; 并且形成具有目标平面度的圆形平板状玻璃坯料作为用于磁盘的玻璃基板,使得玻璃坯料的直径和厚度之间的比率在50:1至150:1的范围内, 从玻璃材料的料滴。

    TOOTHED WHEELS AND TRANSMISSION
    59.
    发明申请
    TOOTHED WHEELS AND TRANSMISSION 有权
    牙轮和传动

    公开(公告)号:US20140326092A1

    公开(公告)日:2014-11-06

    申请号:US14350986

    申请日:2012-10-05

    IPC分类号: F16H1/04 F16H3/08

    摘要: A pair of toothed wheels that mesh with each other includes a plateau portion. The surface of the plateau portion is a plateau-structure surface formed on each tooth face of each of the pair of the toothed wheels, with peak portions of convexities, out of a plurality of concavities and the convexities provided on the each tooth face, being flat. A reduced valley depth Rvk of the plateau portion of one of the pair of the toothed wheels as defined in JISB0671-2 is greater than the reduced valley depth Rvk of the plateau portion of the other of the pair of the toothed wheels. The area occupied by the concavities in the plateau portion of the one of the toothed wheels is larger than the area occupied by the concavities in the plateau portion of the other toothed wheel.

    摘要翻译: 彼此啮合的一对齿轮包括平台部分。 高原部分的表面是形成在一对齿轮中的每一个的每个齿面上的平台结构表面,凸起的峰部分在多个凹部中,并且设置在每个齿面上的凸起是 平面。 如JISB0671-2中定义的一对齿轮中的一个的平台部分的下降谷深度Rvk大于该对齿轮中另一个的平台部分的减小的谷深度Rvk。 一个齿轮的高原部分的凹部所占据的面积大于另一个齿轮的平台部分的凹部所占据的面积。

    Twin-clutch device
    60.
    发明授权
    Twin-clutch device 有权
    双离合器装置

    公开(公告)号:US08678153B2

    公开(公告)日:2014-03-25

    申请号:US13002853

    申请日:2009-07-08

    CPC分类号: F16D37/02 Y10T74/19228

    摘要: A twin-clutch device that selectively transmits torque from a driving wheel to a first driven wheel and/or a second driven wheel is provided. The first and second driven wheels are arranged respectively on both sides of the driving wheel, a functional fluid that decreases its flowability as an applied stimulus is increased and that increases its flowability as the applied stimulus is reduced fills gaps between the driving wheel and the first and second driven wheels, the driving wheel includes a stimulus generating member electrically controlled to generate a stimulus, and flowability of the functional fluid between the driving wheel and one of the first and second driven wheels is decreased with an increase in stimulus applied to the functional fluid by the stimulus generating member to couple the driving wheel to the one of the first and second driven wheels, thus allowing torque transmission therebetween.

    摘要翻译: 提供了一种选择性地将扭矩从驱动轮传递到第一从动轮和/或第二从动轮的双离合器装置。 第一和第二从动轮分别布置在驱动轮的两侧,功能流体随着施加的刺激增加而降低其流动性,并且随着施加的刺激被减少而增加其流动性填充驱动轮和第一驱动轮之间的间隙 和第二从动轮,所述驱动轮包括电控制的刺激产生构件以产生刺激,并且所述驱动轮与所述第一和第二从动轮中的一个之间的功能流体的流动性随着对所述功能的刺激的增加而减小 通过所述刺激产生构件将所述驱动轮联接到所述第一和第二从动轮中的一个,从而允许其间的扭矩传递。