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    • 57. 发明授权
    • Die-formed amorphous metallic articles and their fabrication
    • 模制非晶金属制品及其制造
    • US5896642A
    • 1999-04-27
    • US683319
    • 1996-07-17
    • Atakan PekerEric BakkeWilliam L. Johnson
    • Atakan PekerEric BakkeWilliam L. Johnson
    • B21J5/00B21K17/00C22C45/10
    • B21J5/00B21J1/006B21K17/00C22C45/10Y10S72/70Y10T29/49938
    • A metallic article is fabricated by providing a die and a piece of a bulk-solidifying amorphous metallic alloy having a glass transition temperature. The bulk-solidifying amorphous metallic alloy is heated to a forming temperature of from about 0.75 T.sub.g to about 1.2 T.sub.g and forced into the die cavity at the forming temperature under an external pressure of from about 260 to about 40,000 pounds per square inch, thereby deforming the piece of the bulk-solidifying amorphous metallic alloy to a formed shape that fills the die cavity. Preferably, a pressure is applied to the piece of the bulk-solidifying amorphous metallic alloy as it is heated, and the heating rate is at least about 0.1.degree. C. per second. The die may be a male die or a female die. When the die has a re-entrant comer therein, the formed shape of the bulk-solidifying amorphous metallic alloy is mechanically locked to the die.
    • 通过提供具有玻璃化转变温度的模具和块状固化非晶态金属合金片来制造金属制品。 将本体固化的非晶金属合金加热到约0.75Tg至约1.2Tm的成型温度,并在约260至约40,000磅/平方英寸的外部压力下在成型温度下被迫进入模腔,从而使 将该块体固化的非晶态金属合金制成一个填充模腔的成形形状。 优选地,在加热时对块状固化非晶态金属合金片施加压力,并且加热速率为至少约0.1℃/秒。 模具可以是男性模具或女性模具。 当模具在其中具有入口角时,本体固化的非晶态金属合金的形状被机械地锁定在模具上。
    • 58. 发明授权
    • Method of casting articles of a bulk-solidifying amorphous alloy
    • 浇注体固化非晶合金的制品的方法
    • US5797443A
    • 1998-08-25
    • US720483
    • 1996-09-30
    • Xianghong LinWilliam L. JohnsonAtakan Peker
    • Xianghong LinWilliam L. JohnsonAtakan Peker
    • B22D27/04B22D46/00C22C45/00C22C45/10
    • B22D27/04B22D46/00
    • A casting charge of a bulk-solidifying amorphous alloy is cast into a mold from a temperature greater than its crystallized melting temperature, and permitted to solidify to form an article. The oxygen content of the casting charge is limited to an operable level, as excessively high oxygen contents produce premature crystallization during the casting operation. During melting, the casting charge is preferably heated to a temperature above a threshold temperature to eliminate heterogeneous crystallization nucleation sites within the casting charge. The casting charge may be cast from above the threshold temperature, or it may be cooled to the casting temperature of more than the crystallized melting point but not more than the threshold temperature, optionally held at this temperature for a period of time, and thereafter cast.
    • 将大块固体非晶态合金的浇铸料从大于其结晶熔融温度的温度浇铸到模具中,并允许固化形成物品。 铸造电荷的氧含量被限制在可操作的水平,因为过高的氧含量在铸造操作期间产生过早的结晶。 在熔化期间,优选将铸造装料加热到高于阈值温度的温度以消除铸造装料内的非均匀结晶成核位置。 铸造装料可以从高于阈值温度铸造,或者可以将其冷却至超过结晶熔点但不超过阈值温度的浇铸温度,任选地在该温度下保持一段时间,然后浇铸 。
    • 60. 发明授权
    • Portable pest electrocution device
    • 便携式害虫触电装置
    • US5269091A
    • 1993-12-14
    • US875754
    • 1992-04-29
    • William L. JohnsonWilliam R. LutherRobert G. Noe
    • William L. JohnsonWilliam R. LutherRobert G. Noe
    • A01M23/38A01M23/02
    • A01M23/38
    • A pest electrocution device includes a mechanical portion and an electronic portion. The mechanical portion includes a base member with sidewalls defining a basin, a flexible sheet member secured on the base member, and a conductive plate member which is attached on the top face of the flexible sheet member and has at least part of it not overlapping the shoulder of the sidewalls. A pair of opposing metal contacts are respectively fastened on the bottom face of the flexible sheet member and on the base member. The metal contacts are coupled to the trigger input of the electronic circuit portion while the conductive plate member is coupled to the high voltage output of the electronic circuit portion. The electronic circuit portion includes a timer for producing a timing and control signal and a high voltage generator for generating a high voltage current. The electronic circuit portion further includes a latch circuit which records the status of the device for the user to check the status at any time. The electronic circuit portion also includes a pulse generation circuit for generating a high voltage, low current pulse train.
    • 害虫触电装置包括机械部分和电子部分。 机械部分包括具有限定盆的侧壁的基部构件,固定在基底构件上的柔性片构件,以及安装在柔性片构件的顶面上的导电板构件,并且其至少一部分不与其重叠 侧壁的肩膀 一对相对的金属触点分别固定在柔性片状部件的底面上和基部部件上。 金属触点耦合到电子电路部分的触发输入,同时导电板构件耦合到电子电路部分的高压输出端。 电子电路部分包括用于产生定时和控制信号的定时器和用于产生高电压电流的高压发生器。 电子电路部分还包括一个锁存电路,用于记录用户的状态以便随时检查状态。 电子电路部分还包括用于产生高电压,低电流脉冲串的脉冲发生电路。