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    • 1. 发明授权
    • Fiber optic connector
    • 光纤连接器
    • US6062739A
    • 2000-05-16
    • US121634
    • 1998-07-23
    • David R. BlakeBrian D. MorrisonRandolph W. Holtgrefe
    • David R. BlakeBrian D. MorrisonRandolph W. Holtgrefe
    • G02B6/38G02B6/42G02B6/36
    • G02B6/3831G02B6/3869G02B6/389G02B6/4292G02B6/3821G02B6/3857
    • A fiber optic connector assembly for mating an optical fiber to a receptacle includes an adapter and a plug separably coupled to the adapter. The adapter has a first end coupled to the receptacle with a first surface of the adapter contacting a surface of a housing wall through which the receptacle projects. A sealing member is disposed between the first surface of the adapter and the surface of the housing wall. In one embodiment the sealing member includes an O-ring groove provided in the first surface of the adapter and an O-ring disposed in the O-ring groove. The plug has an external surface with an alignment band formed on the external surface thereof. A first end of the plug is separably coupled to the second end of the adapter and a second end of the plug is adapted to receive the optical fiber. The connector assembly further includes a locking mechanism to prevent the plug from separating from the adapter in response to a vibration force.
    • 用于将光纤配合到插座的光纤连接器组件包括适配器和可分离地联接到适配器的插头。 适配器具有联接到容器的第一端,适配器的第一表面接触容器壁的表面,容器突出穿过该表面。 密封构件设置在适配器的第一表面和壳体壁的表面之间。 在一个实施例中,密封构件包括设置在适配器的第一表面中的O形环槽和设置在O形环槽中的O形环。 插头具有在其外表面上形成有对准带的外表面。 插头的第一端可分离地联接到适配器的第二端,并且插头的第二端适于接收光纤。 连接器组件还包括锁定机构,以防止插头响应于振动力而与适配器分离。
    • 6. 发明授权
    • Reference sample for generating smoky atmosphere
    • 参考样品产生烟熏气氛
    • US06812834B2
    • 2004-11-02
    • US10046734
    • 2002-01-17
    • Richard E. LyonDavid R. Blake
    • Richard E. LyonDavid R. Blake
    • G08B2900
    • G01N33/0011Y10T436/100833
    • A reference sample for testing fire detectors and a method of testing utilizing the reference samples. The reference sample comprises a fused mixture of pellets of the plastics usually found in aircraft cargo holds, with a heating element embedded in the sample. The pellets are in a plurality of layers with the composition of each layer being homogeneous but the thicknesses and porosities of the layers differing from each other. When the heating element is energized the layers of pellets, which have previously been fused into porous masses, begin to smolder, thereby generating a smoky atmosphere that as nearly as possible simulates the atmosphere in an aircraft cargo hold when there is a fire in the hold. In addition, a flammable liquid can be poured onto the sample and ignited, simultaneously with the energization of the heating element, by a separate ignition source to provide a flaming fire atmosphere.
    • 用于测试火灾探测器的参考样本和使用参考样品的测试方法。 参考样品包括通常存在于飞机货舱中的塑料颗粒的熔融混合物,其中加热元件嵌入样品中。 颗粒是多层,每层的组成是均匀的,但是层的厚度和孔隙度彼此不同。 当加热元件通电时,先前已被熔化成多孔质量的颗粒层开始变得阴燃,从而产生烟雾气氛,当气体存在起火时,它几乎可能模拟飞机货舱中的气氛 。 此外,可将易燃液体倒入样品中,并与加热元件的通电同时点燃,由点火源单独提供燃烧的火焰气氛。
    • 9. 发明授权
    • Manufacture of an non-laminated paper web having regions of increased
thickness
    • 制造具有增加厚度区域的非层压纸幅
    • US4239591A
    • 1980-12-16
    • US952624
    • 1978-10-19
    • David R. Blake
    • David R. Blake
    • D21F11/00D21H5/02D21F1/00
    • D21F11/006
    • A non-laminated paper sheet product characterized by regions or islands of increased thickness, usually located in the center of the sheet for more economical use of the paper product and for conservation of wood pulp. The regions of increased thickness are formed by depositing or laying additional pulp stock onto a generally uniform thickness paper web in the web-forming area of a paper machine in either wet or dry methods of paper production. Continuous regions of increased thickness in the web can be formed by corresponding variations in the width of the web or by spraying the additional pulp onto the forming web. Islands of increased web thickness can be formed by periodically interrupting pulp stock depositing sprayheads disposed at spaced locations across the width of the forming web, with timing devices or web thickness sensors controlling the sprayheads.
    • 特征在于厚度增加的区域或岛的非层压纸片产品通常位于片材的中心,用于更经济地使用纸制品并保护木浆。 增加厚度的区域通过在造纸机的卷筒纸形成区域中以湿法或干法制造纸的方式将额外的纸浆料沉积或铺设在大致均匀的厚度的纸幅上而形成。 可以通过幅材宽度的相应变化或者通过将附加纸浆喷涂到成型网上来形成幅材增加的厚度的连续区域。 可以通过周期性地中断布置在成形幅材的宽度上的间隔位置处的纸浆原料沉积喷头来形成增加幅材厚度的岛,其中定时装置或幅材厚度传感器控制喷头。