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    • 5. 发明申请
    • APPARATUS FOR SHAPING GLASS AND METHODS
    • 形成玻璃和方法的装置
    • US20130319046A1
    • 2013-12-05
    • US13485330
    • 2012-05-31
    • Thomas M. ClearyLarry G. SmithJohn C. Thomas
    • Thomas M. ClearyLarry G. SmithJohn C. Thomas
    • C03B23/035
    • B65G49/065C03B23/035C03B23/245C03B29/08C03B35/24C03B40/005C03B2225/02
    • An apparatus for shaping a glass sheet includes an engagement member including a flexible bumper comprising a flexible material. The flexible bumper is configured to operate at the forming temperature to reduce an impact stress between the engagement member and the edge portion of the glass sheet. In another example, an apparatus for shaping a sheet of glass includes a push member configured to engage an end edge portion of the glass sheet to push the glass sheet to be transported over the support surface. The push member includes a push flange extending in a direction away from the support surface. The push flange includes a plurality of apertures configured to increase the resistance of conductive heat transfer between the end edge portion of the glass sheet and the push member. In a further example an engagement member can fabricated from a material having a coefficient of thermal conductivity that is less than a coefficient of thermal conductivity of the stainless steel. In further examples, methods include using the apparatus to shape a glass sheet.
    • 一种用于成形玻璃板的设备包括一个接合件,该接合件包括一个包含柔性材料的柔性保险杠。 柔性保险杠构造成在成形温度下操作以减小接合构件和玻璃板的边缘部分之间的冲击应力。 在另一示例中,用于成形玻璃板的设备包括:推动构件,其构造成接合玻璃板的端部边缘部分,以将玻璃板推送到支撑表面上。 推动构件包括沿远离支撑表面的方向延伸的推动凸缘。 推动凸缘包括多个孔,其构造成增加玻璃板的端部边缘部分和推动构件之间的导电传热的阻力。 在另一示例中,接合构件可以由具有小于不锈钢的导热系数的导热系数的材料制成。 在另外的实例中,方法包括使用该装置来成型玻璃板。
    • 8. 发明授权
    • Drilling out casing bits with other casing bits
    • 用其它套管钻头钻出套管钻头
    • US08146683B2
    • 2012-04-03
    • US12200344
    • 2008-08-28
    • Eric E. McClainJohn C. Thomas
    • Eric E. McClainJohn C. Thomas
    • E21B7/00
    • E21B17/14E21B7/20E21B10/43E21B10/567
    • A drilling assembly for drilling two or more casing sections into a subterranean formation includes a first casing bit and a second casing bit, each casing bit of different diameter affixed to a respective casing section of different diameter, at least two casing bits and the two or more casing sections arranged in a telescoping relationship. The second casing bit includes a bit body having a face on which two different types of cutting elements are disposed, the first type being cutting elements for drilling at least one subterranean formation and the second type being cutting elements for drilling through the first casing bit.
    • 用于将两个或更多个套管部分钻入地层的钻井组件包括第一套管钻头和第二套管钻头,每个不同直径的套管钻头固定到不同直径的相应壳体部分,至少两个套管钻头和两个或两个 更多的套管部分以伸缩关系排列。 第二套筒钻头包括具有面的两个不同类型的切割元件的钻头体,第一类型是用于钻探至少一个地下地层的切割元件,而第二类型是用于钻穿第一壳钻头的切割元件。