Method of forming crowned sliding surface in mechanical part
    21.
    发明授权
    Method of forming crowned sliding surface in mechanical part 失效
    在机械部分形成凸面滑动面的方法

    公开(公告)号:US4850095A

    公开(公告)日:1989-07-25

    申请号:US196682

    申请日:1988-05-20

    摘要: A mechanical part comprises a sliding section and a sleeve section which are prepared separately. The sliding section is made of a wear resisting material such as ceramics and formed with a planar sliding surface at one of the sides thereof. The sliding section is further formed with a joining portion at the outer periphery thereof. The sleeve section is made of metal and formed with a joining portion at the inner periphery thereof. The joining portions of the sliding section and the sleeve section are joined by interference fit or the like, whereby to allow the sliding surface of the sleeve section to be formed into a crowned shape.

    摘要翻译: 机械部件包括单独制备的滑动部分和套筒部分。 滑动部分由诸如陶瓷的耐磨材料制成,并在其一侧形成平面滑动表面。 滑动部分还在其外周形成有接合部分。 套筒部由金属制成,在其内周形成有接合部。 滑动部分和套筒部分的接合部分通过过盈配合等接合,从而允许套筒部分的滑动表面形成为凸面形状。

    Cellulose derivative and hydrogel thereof
    23.
    发明授权
    Cellulose derivative and hydrogel thereof 失效
    纤维素衍生物及其水凝胶

    公开(公告)号:US08709450B2

    公开(公告)日:2014-04-29

    申请号:US12808613

    申请日:2008-12-17

    摘要: The invention is a cellulose derivative wherein some of the carboxyl groups of the cellulose derivative carboxymethylcellulose are replaced with —CO—NH—X—CO—Y—Z, and a hydrogel of the same. In the formula, X is a C1-10 divalent hydrocarbon group, Y is a divalent group derived from polyalkylene oxide having oxygen atoms at both ends, and Z is a C1-24 hydrocarbon group or —CO—R4, where R4 is a C1-23 hydrocarbon group. The hydrogel has excellent viscoelasticity and can be injected into prescribed sites with injecting devices such as syringes, and it can thus be utilized as a medical gel or adhesion barrier.

    摘要翻译: 本发明是纤维素衍生物羧甲基纤维素的一些羧基被-CO-NH-X-CO-Y-Z代替的纤维素衍生物及其水凝胶。 在该式中,X是C 1-10二价烃基,Y是衍生自在两端具有氧原子的聚环氧烷烃,Z是C1-24烃基或-CO-R4的二价基团,其中R4是C1 -23烃基。 水凝胶具有优异的粘弹性,并且可以用诸如注射器的注射装置注射到规定的位置,因此可以用作医用凝胶或粘附屏障。

    Cellulose derivative
    24.
    发明授权
    Cellulose derivative 有权
    纤维素衍生物

    公开(公告)号:US08378091B2

    公开(公告)日:2013-02-19

    申请号:US11997830

    申请日:2006-08-03

    IPC分类号: C08B7/00 C07H1/00

    摘要: A cellulose derivative which has a suitable elastic modulus and viscosity when it is dissolved in water and is useful as an adhesion barrier.The cellulose derivative has a molecular weight of 5×103 to 5×106 and is composed of a repeating unit represented by the following formula (1): wherein R1, R2 and R3 are each independently selected from the group consisting of the following formulas (a), (b), (c) and (d) in predetermined amount: (X in the formula (c) is an alkali metal, and R4 and R5 in the formula (d) are each independently an alkyl group or alkenyl group having 10 to 28 carbon atoms).

    摘要翻译: 当纤维素衍生物溶于水中时具有合适的弹性模量和粘度并且可用作粘合屏障。 纤维素衍生物的分子量为5×10 3〜5×10 6,由下述式(1)表示的重复单元构成:其中,R 1,R 2,R 3各自独立地选自下述式 a),(b),(c)和(d)):(式(c)中的X是碱金属,式(d)中的R 4和R 5各自独立地为烷基或烯基 具有10至28个碳原子)。

    Electronic component having terminal connecting leads with a high
temperature ceramic element and a method of making the same
    25.
    发明授权
    Electronic component having terminal connecting leads with a high temperature ceramic element and a method of making the same 失效
    具有带高温陶瓷元件的端子连接引线的电子部件及其制造方法

    公开(公告)号:US6082175A

    公开(公告)日:2000-07-04

    申请号:US950136

    申请日:1997-10-14

    CPC分类号: G01N27/407 G01N27/4062

    摘要: This discloses an electronic component of a miniature size to be used as e.g. automobile engine peripheral components, such as an exhaust gas oxygen sensor, a heat sensor, and a heater. More specifically, the invention provides an electronic component integral with a heat resistant terminal that is pressure-fitting or shrink-fitted on a ceramic element of the electronic component. This electronic components shows great mechanical and electrical performance, withstanding the high temperature environment over 400 and up to 800.degree. C. to which the ceramic element of the component required expose.The terminal incorporated in this high temperature electronic component comprises a plurality of metal wire leads that electrically connect to a surface of a bar-like ceramic element, at least two ceramic insulators that surround the leads, and a thermal resistant metal ring that shrink-fits or pressure-fits around the ceramic insulators so that the metal leads press in a radial direction holding the element firmly.The thermal resistant metal ring to be used for this shrink fit or pressure fit is preferably made of an alloy, such as Incoloy 909, Inconel 650, and Waspaloy, and the like, thereby preventing the metal leads from coming off at high temperature.The terminal integrated with the ceramic element by the shrink fitting method according to the invention, minimizes the number of parts, attaining a miniaturization of such high temperature electronic component at a low cost.

    摘要翻译: 这公开了一种微型尺寸的电子部件,例如用作电子部件。 汽车发动机周边部件,例如废气氧传感器,热传感器和加热器。 更具体地说,本发明提供了一种与耐热端子一体化的电子部件,该耐热端子压配合或收缩配合在电子部件的陶瓷元件上。 该电子部件显示出很好的机械和电气性能,耐受高于400℃和高达800℃的高温环境,所述组件的陶瓷元件暴露于该温度环境。 结合在该高温电子部件中的端子包括电连接到棒状陶瓷元件的表面的多个金属引线引线,围绕引线的至少两个陶瓷绝缘体和热收缩金属环 或压配合在陶瓷绝缘体周围,使得金属引线沿径向保持元件牢固地按压。 用于这种收缩配合或压配合的耐热金属环优选由诸如Incoloy 909,Inconel 650和Waspaloy等的合金制成,从而防止金属引线在高温下脱落。 通过根据本发明的收缩配合方法与陶瓷元件集成的端子使部件数量最小化,从而以低成本实现了这种高温电子部件的小型化。

    Wire electric discharge machining method at a corner
    26.
    发明授权
    Wire electric discharge machining method at a corner 失效
    电弧放电加工方法在角落

    公开(公告)号:US5756954A

    公开(公告)日:1998-05-26

    申请号:US619593

    申请日:1996-03-26

    IPC分类号: B23H7/06 B23H1/00

    CPC分类号: B23H7/065

    摘要: A wire electric discharge machining method capable of improving a machining accuracy of a corner portion. A machining feed speed is gradually reduced from a point A before entering a corner portion machining between points C and D, and in the corner portion between points C and D the machining is performed at a fixed feed speed. The feed speed is gradually increased from the point D, where the machining of the corner portion is completed, and is restored to the original speed. In accordance with the change of the feed speed, an off-state time of the voltage applied between a wire and a workpiece is increased from a point B and is reduced from a point E after completing the corner portion machining, to restore the original off-state time at a point F. Further, a flow rate of machining fluid is reduced depending on the corner portion. The feed speed, the off-state time and the flow rate of the machining fluid are controlled by automatically changing them in dependence on a curvature of the corner portion. A warp of the wire electrode is substantially prevented at the beginning of and during the corner portion machining, to thereby improve the machining accuracy of the corner portion.

    摘要翻译: PCT No.PCT / JP95 / 01477 Sec。 371日期:1996年3月26日 102(e)1996年3月26日PCT提交1995年7月25日PCT公布。 公开号WO96 / 03247 日期1996年2月8日能够提高角部的加工精度的电火花加工方法。 在进入点C和D之间的角部加工之前,加工进给速度从点A逐渐减小,并且在点C和D之间的角部中,以固定的进给速度进行加工。 进给速度从拐角部分的加工完成的点D逐渐增加,恢复到原来的速度。 根据进给速度的变化,在线和工件之间施加的电压的截止时间从点B增加并且在完成角部加工之后从点E减小,以恢复原始关闭 在点F处的状态时间。此外,加工液的流量根据拐角部分减小。 通过根据角部的曲率自动地改变加工流体的进给速度,关闭状态时间和流量来控制。 在角部加工的开始时和角部加工时,基本上防止了线电极的翘曲,从而提高了角部的加工精度。

    Wire disconnection position detecting apparatus
    28.
    发明授权
    Wire disconnection position detecting apparatus 失效
    断线位置检测装置

    公开(公告)号:US5019684A

    公开(公告)日:1991-05-28

    申请号:US444132

    申请日:1989-11-29

    申请人: Masaya Ito

    发明人: Masaya Ito

    IPC分类号: B23H7/02 B23H7/04 B23H7/10

    CPC分类号: B23H7/04 B23H7/10

    摘要: A wire disconnection position detecting apparatus of a wire feed path in which wire disconnection is caused and the causes of the disconnection in this section set in advance. Upon disconnection of a wire, as a voltage for disconnection position detection applied to the wire through a conductor is detected by a microprocessor through an electrode disposed on the lower-course side of the conductor (S3), the value in a register for rewinding amount storage is updated, with rewind of the wire by a rewinding motor, in accordance with pulses delivered from a rotary encoder (S4, S5), and thereafter, the rotation of the motor and the application of the voltage are stopped when a cut end of the wire passes the electrode (S6 to S8). Based on the result of comparison between a detected rewinding amount and the distances between the electrode and individual parts arranged along the wire feed path, the microprocessor detects the section of the wire feed path in which the wire is snapped (S9), and displays the wire disconnection section and the causes of the disconnection in this section, in the form of messages, on a CRT screen (S10).

    摘要翻译: PCT No.PCT / JP89 / 00450 Sec。 371日期:一九八九年十一月二十九日 102(e)日期1989年11月29日PCT 1989年4月27日PCT PCT。 第WO89 / 10816号公报 日期:1996年11月16日。一种导线断线的导线断线位置检测装置,其中该部分断开的原因预先设定。 在断线时,由微处理器通过布线在导体的下游侧的电极(S3)检测到通过导体施加到导线上的断开位置检测电压,用于倒带量的寄存器中的值 根据从旋转编码器输送的脉冲(S4,S5),通过倒带电机倒带电线,并且此后,当电动机的切断端 电线通过电极(S6至S8)。 基于检测到的倒带量与沿着送丝路径布置的各个部件之间的距离的比较的结果,微处理器检测线材被咬合的送丝路径的部分(S9),并且显示 断线部分和本部分断开的原因,以消息的形式,在CRT屏幕上(S10)。

    Wire discharge machining power source
    29.
    发明授权
    Wire discharge machining power source 失效
    排线加工电源

    公开(公告)号:US4678884A

    公开(公告)日:1987-07-07

    申请号:US807509

    申请日:1985-11-22

    IPC分类号: B23H1/02 B23H7/04

    CPC分类号: B23H7/04

    摘要: A wire discharge machining power source controls an average machining voltage value applied between a wire electrode (P) and a workpiece (W) to be zero to prevent galvanic corrosion of the workpiece (W). A reverse voltage application time control circuit (2) detects the average machining voltage value and generates a pulse (S5) having a pulse width corresponding to a detected value. A reverse voltage regulating circuit (1) detects a difference between a reference voltage and a voltage applied between a transistor (T2) and a resistor (R2) upon application of the reverse voltage through the transistor (T2) and the resistor (R2), and supplies a difference signal, which corresponds to the detected difference, as an ON control signal to the transistor (T2) for a period corresponding to the width of the pulse (S5), thereby controlling the reverse voltage value and setting the average machining voltage value to zero.

    摘要翻译: 线放电加工电源将施加在线电极(P)和工件(W)之间的平均加工电压值控制为零,以发挥工件(W)的电偶腐蚀。 反向电压施加时间控制电路(2)检测平均加工电压值,并生成具有对应于检测值的脉冲宽度的脉冲(S5)。 反向电压调节电路(1)通过晶体管(T2)和电阻器(R2)施加反向电压时,检测参考电压和施加在晶体管(T2)和电阻器(R2)之间的电压之间的差值, 并且将对应于检测到的差异的差分信号作为ON控制信号提供给晶体管(T2)一段与脉冲宽度相对应的周期(S5),由此控制反向电压值并设定平均加工电压 值为零。

    Ceramic and aluminum alloy composite
    30.
    发明授权
    Ceramic and aluminum alloy composite 失效
    陶瓷和铝合金复合材料

    公开(公告)号:US4559277A

    公开(公告)日:1985-12-17

    申请号:US618692

    申请日:1984-06-08

    申请人: Masaya Ito

    发明人: Masaya Ito

    摘要: A ceramic-aluminum alloy composite in which residual stress between the ceramic and aluminum components is substantially eliminated and strong cohesion is provided between the components of the composite over a wide temperature range. The composite of the invention is an integral combination of a ceramic element, a metallized layer, a cladding layer and an aluminum alloy layer. The metallized layer and the cladding layer are formed in that order on the surface of the ceramic element. The aluminum alloy layer is formed adjacent the cladding layer by pouring and solidification of a molten aluminum alloy. The metallized layer is a thin metal layer formed by any of vapor deposition of a metal, a high-melting metal method, and an activated metal method. The cladding layer is a three-layer laminated structure having top and bottom layers of Cu, Ag or Al and an intermediate layer of a metal dissimilar to the top and bottom layers. The ceramic element is preferably one of Si.sub.3 N.sub.4, SiC, Al.sub.2 O.sub.3, ZiO.sub.2, mica, LAS and crystalline glass.

    摘要翻译: 一种陶瓷 - 铝合金复合材料,其中陶瓷和铝组分之间的残余应力基本上消除,并且在宽温度范围内在复合材料的组分之间提供强的内聚力。 本发明的复合材料是陶瓷元件,金属化层,包覆层和铝合金层的整体组合。 金属化层和包覆层依次形成在陶瓷元件的表面上。 铝合金层通过熔融铝合金的浇注和固化形成在包覆层附近。 金属化层是通过气相沉积金属,高熔点金属法和活化金属法形成的薄金属层。 包层是具有Cu,Ag或Al的顶层和底层以及与顶层和底层不同的金属中间层的三层层压结构。 陶瓷元件优选为Si 3 N 4,SiC,Al 2 O 3,ZO 2,云母,LAS和晶体玻璃之一。