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    Mixtures of hydrofluorcarbons and acids as foam blowing agents
    2.
    发明申请
    Mixtures of hydrofluorcarbons and acids as foam blowing agents 审中-公开
    氢氟碳酸和酸的混合物作为发泡剂

    公开(公告)号：US20050113470A1

    公开(公告)日：2005-05-26

    申请号：US10721611

    申请日：2003-11-25

    申请人： Zhen Zhu ,  David Williams ,  Mary Bogdan

    发明人： Zhen Zhu ,  David Williams ,  Mary Bogdan

    IPC分类号： C08J9/12 ,  C08J9/14 ,  C08J9/00

    CPC分类号： C08J9/149 ,  C08J9/127 ,  C08J2203/12 ,  C08J2203/14 ,  C08J2203/142 ,  C08J2205/052 ,  C08J2205/10 ,  C08J2375/04

    摘要： A method of preparing polyurethane or polyisocyanurate from compositions comprising reacting and foaming a mixture of at least one polyol and isocyanate which react to form polyurethane or polyisocyanurate foams in the presence of a blowing agents which comprises: a hydrofluorocarbon or at least one compound selected from the group consisting of: propane, n-butane, isobutene, n-pentane, isopentane, neopentane, cyclopentane, acetone, dimethyl ether, and inert gases; an acid; and, optionally, water.

    摘要翻译： 一种由组合物制备聚氨酯或聚异氰脲酸酯的方法，包括在发泡剂存在下使至少一种多元醇和异氰酸酯的混合物反应形成聚氨酯或聚异氰脲酸酯泡沫，该混合物包括：氢氟烃或至少一种选自 由丙烷，正丁烷，异丁烯，正戊烷，异戊烷，新戊烷，环戊烷，丙酮，二甲醚和惰性气体组成的组; 酸; 和任选的水。

    Isocyanate-based polymer foams with nano-scale materials
    5.
    发明申请
    Isocyanate-based polymer foams with nano-scale materials 审中-公开
    具有纳米尺度材料的异氰酸酯基聚合物泡沫

    公开(公告)号：US20060135636A1

    公开(公告)日：2006-06-22

    申请号：US11274553

    申请日：2005-11-15

    申请人： Zhen Zhu ,  David Williams ,  Caroline Bibb

    发明人： Zhen Zhu ,  David Williams ,  Caroline Bibb

    IPC分类号： C08G18/00

    CPC分类号： C08G18/3895 ,  C08G18/4018 ,  C08G18/482 ,  C08G2101/00 ,  C08G2101/0008 ,  C08G2101/0025 ,  C08G2105/00 ,  C08K9/04 ,  C08L75/04

    摘要： Isocyante-based polymer foams containing functionalized nano-scale materials in which the functional groups are OH, NH2, COOH or NCO groups. The incorporation of such functionalized nano-scale materials into the isocyanate-based polymer foams provides foams with improved properties such as insulation values, mechanical properties and flame retardancy performance properties, including but not limited to k-factor and dimensional stability.

    摘要翻译： 含有官能化纳米级材料的异氰酸酯基聚合物泡沫，其中官能团是OH，NH 2，COOH或NCO基团。 将这种官能化纳米级材料并入异氰酸酯基聚合物泡沫体中提供具有改进性能的泡沫，例如绝缘值，机械性能和阻燃性能性能，包括但不限于k因子和尺寸稳定性。

    U-shaped closet flange
    8.
    发明授权
    U-shaped closet flange 有权
    U形衣柜法兰

    公开(公告)号：US09103106B1

    公开(公告)日：2015-08-11

    申请号：US13663635

    申请日：2012-10-30

    申请人： David Williams

    发明人： David Williams

    IPC分类号： E03D11/16 ,  A47B96/06

    CPC分类号： E03D11/16 ,  A47B96/061

    摘要： The U-shaped closet flange is an auxiliary closet flange for use with a toilet that is seated onto an existing closet flange. The U-shaped closet flange fits around the rear base of a toilet from above the floor surface, and which improves the overall stability of the toilet by encircling the rear base of the toilet as well as across tops of opposing side lips of said base of said toilet. The U-shaped closet flange includes two generally parallel members that include grooves thereon to accommodate varying locales of bolts and bolt holes that extend up through the base of the toilet. The parallel members each include parallel base members that engage the floor surface, and interconnect with a cross member. Holes provided on the U-shaped closet flange enable screws to secure both the U-shaped closet flange and toilet in place to the surrounding floor.

    摘要翻译： U形衣柜法兰是用于与坐在现有衣柜法兰上的马桶相配合的辅助衣柜法兰。 U型衣柜法兰从地板表面上方围绕着马桶的后底座，并且通过环绕马桶的后底座以及围绕所述马桶的相对侧唇的顶部改善了马桶的整体稳定性 说厕所 U形衣柜法兰包括两个大致平行的构件，其包括凹槽，以容纳螺栓孔和螺栓孔的不同位置，这些螺栓孔和螺栓孔向上延伸穿过马桶的底座。 平行构件各自包括与地板表面接合并且与横向构件互连的平行基座构件。 U形衣柜法兰上提供的孔可以将U形衣柜法兰和马桶固定到周围的地板上。

    Door closer
    9.
    发明授权
    Door closer 有权
    闭门器

    公开(公告)号：US08910345B2

    公开(公告)日：2014-12-16

    申请号：US13497713

    申请日：2010-09-23

    申请人： Timothy Bland ,  James Frost ,  David Williams ,  Lee Melville

    发明人： Timothy Bland ,  James Frost ,  David Williams ,  Lee Melville

    IPC分类号： E05F1/00 ,  E05F3/10 ,  E05F1/10 ,  E05F15/18 ,  E05F3/22

    CPC分类号： E05F1/105 ,  E05F1/00 ,  E05F3/104 ,  E05F3/227 ,  E05F15/60 ,  E05Y2201/412 ,  E05Y2201/46 ,  E05Y2201/474 ,  E05Y2900/132 ,  Y10T16/56 ,  Y10T16/593

    摘要： A door closer has a housing for connection to a door and a drive spindle (10) coupled to the door. As the door moves the spindle (10) and housing (11) rotate relative to one another. The relative movement is translated by a piston and cam mechanism (21, 22) into a force that is used to separate a pair of magnets (28). The magnetic attraction of the magnet pairs (28) serves as a force to resist opening of the door and biases the door from an open to a closed position. At least one first magnet is coupled to the drive member and at least one second magnet (32) coupled to the housing. The magnets are arranged in the housing with their opposite poles facing one another such that there is a magnetic force of attraction between them. At least one further biasing spring (36) may be provided to provide a biasing force after the magnetic force has diminished by separation of the magnets.

    摘要翻译： 门关闭器具有用于连接到门的壳体和联接到门的驱动主轴（10）。 当门移动时，主轴（10）和壳体（11）相对于彼此旋转。 相对运动由活塞和凸轮机构（21,22）转换成用于分离一对磁体（28）的力。 磁体对（28）的磁吸引力用作抵抗门的打开并且将门从打开位置偏压到关闭位置的力。 至少一个第一磁体联接到驱动构件和联接到壳体的至少一个第二磁体（32）。 磁体布置在壳体中，其相对的磁极彼此面对，使得它们之间具有磁力吸引力。 可以提供至少一个另外的偏置弹簧（36）以在磁力通过分离磁体而减小之后提供偏置力。

    Network selection by wireless terminals
    10.
    发明授权
    Network selection by wireless terminals 有权
    无线终端进行网络选择

    公开(公告)号：US08437288B2

    公开(公告)日：2013-05-07

    申请号：US11682858

    申请日：2007-03-06

    申请人： Stephen W. Edge ,  David Williams ,  Niels Peter Skov Andersen

    发明人： Stephen W. Edge ,  David Williams ,  Niels Peter Skov Andersen

    IPC分类号： H04W4/00

    CPC分类号： H04W48/16 ,  H04W4/029

    摘要： Techniques for efficiently performing network selection using information stored at a terminal are described herein. The terminal may store coverage information for previously detected wireless networks, cell information for previously detected cells in wireless networks, usage information for previously accessed wireless networks, availability information for previously detected wireless networks, almanac information for cells in wireless networks (e.g., information on cells available at different locations and information for acquiring the cells), and/or other information that may be useful for network selection. The terminal may select a wireless network to attempt acquisition based on the stored coverage information and its current location, the stored cell information and information for the current location (e.g., an identity of a cell detected at the current location), the stored usage information, the stored availability information, and/or the stored almanac information.

    摘要翻译： 这里描述了使用存储在终端处的信息来有效地执行网络选择的技术。 终端可以存储先前检测到的无线网络的覆盖信息，无线网络中先前检测到的小区的小区信息，用于先前访问的无线网络的使用信息，用于先前检测到的无线网络的可用性信息，无线网络中的小区的年历信息（例如， 在不同位置可用的小区和用于获取小区的信息）和/或可能对网络选择有用的其他信息。 终端可以基于存储的覆盖信息及其当前位置，存储的小区信息和当前位置的信息（例如，在当前位置检测到的小区的身份）来选择无线网络来尝试获取所存储的使用信息 ，存储的可用性信息和/或存储的历书信息。