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    High temperature slip-sealing grommet systems
    4.
    发明授权
    High temperature slip-sealing grommet systems 有权
    高温滑封密封系统

    公开(公告)号：US06441305B1

    公开(公告)日：2002-08-27

    申请号：US09672385

    申请日：2000-09-28

    申请人： Wesley B. Dong

    发明人： Wesley B. Dong

    IPC分类号： H02G318

    CPC分类号： H02G15/046 ,  H02G15/013 ,  Y10T16/063

    摘要： A seal kit for assembly into a system for sealing an elongate heating cable from ambient essentially includes a cone-shaped elastomeric grommet, several molded plastic parts, and a compression spring. The compression grommet forms a sealing interface between itself and a molded plastic enclosure body and between itself and an outer jacket of a heating cable. Cable ends are sealed within a sealed interior space of the enclosure body. A cup-shaped surface of a molded plastic part adjacently facing a congruent cone-shaped surface of the elastomeric grommet forms a slip-plane. The compression spring transfers energy to compress the elastomeric grommet and to cause it to expand radially against an interior wall of the enclosure body and against an outer jacket of the electrical cable and prevents that region of the grommet from becoming bonded over a high temperature operating interval to the inside wall of the enclosure body. When the sealing system cools down, the elastomeric grommet slips longitudinally along at least the slip-plane and thereby maintains a radial seal against the outer jacket of the heating cable.

    摘要翻译： 用于组装到用于从环境密封细长加热电缆的系统的密封套件基本上包括锥形弹性垫圈，多个模制塑料部件和压缩弹簧。 压缩索环在其自身与模制的塑料外壳体之间以及在其与加热电缆的外护套之间形成密封界面。 电缆端部密封在封闭体的密封内部空间内。 模制塑料部件的杯形表面相邻地面向弹性垫圈的一致锥形表面形成滑动平面。 压缩弹簧传递能量以压缩弹性垫圈并使其径向扩张抵靠外壳主体的内壁并抵靠电缆的外护套，并防止护环的区域在高温运行间隔上粘结 到壳体的内壁。 当密封系统冷却时，弹性垫圈沿至少滑动平面纵向滑动，从而保持抵靠加热电缆的外护套的径向密封。

    Sealing device
    5.
    发明授权
    Sealing device 失效
    密封装置

    公开(公告)号：US5792987A

    公开(公告)日：1998-08-11

    申请号：US520324

    申请日：1995-08-28

    申请人： Wesley B. Dong ,  Helen D. Shaughnessy ,  Jeffrey T. Haller ,  Daniel T. Emerson ,  Jae Yoon Jung ,  Larry M. Edwards

    发明人： Wesley B. Dong ,  Helen D. Shaughnessy ,  Jeffrey T. Haller ,  Daniel T. Emerson ,  Jae Yoon Jung ,  Larry M. Edwards

    IPC分类号： H02G1/14 ,  H02G15/013 ,  H02G15/02 ,  H02G15/04 ,  H02G15/064

    CPC分类号： H02G15/046 ,  H02G15/043 ,  H02G15/013

    摘要： An apparatus for sealing the end of an elongate cable such as a heating cable includes (1) a housing with a first open end and a second open end and a strain relief element positioned within the housing, (2) a flexible container which can be positioned over the cable end and (i) is of generally tubular shape, (ii) has an interior surface and an exterior surface, (iii) has a first open end and a second closed end, and (iv) contains a sealant; and (3) a cap which can be mated with the housing at the second open end, and cover the flexible container. The apparatus has excellent moisture-resistant properties even after repeated exposure to high temperatures, is reenterable, and can be readily mounted on a substrate such as a pipe.

    摘要翻译： 用于密封诸如加热电缆的细长电缆的端部的装置包括（1）具有第一开口端和第二开口端的壳体和定位在壳体内的应变消除元件，（2）柔性容器，其可以是 （i）具有大致管状形状，（ii）具有内表面和外表面，（iii）具有第一开口端和第二封闭端，以及（iv）包含密封剂; 和（3）能够在第二开口端与壳体配合的盖子，并且覆盖柔性容器。 该装置即使在重复暴露于高温下也具有优异的耐湿性，可重新连接，并且可以容易地安装在诸如管道的基底上。

    Sealing device
    6.
    发明授权
    Sealing device 失效
    密封装置

    公开(公告)号：US5767448A

    公开(公告)日：1998-06-16

    申请号：US723055

    申请日：1996-09-30

    申请人： Wesley B. Dong

    发明人： Wesley B. Dong

    IPC分类号： H02G15/04 ,  H05B3/56 ,  H01R4/22

    CPC分类号： H02G15/046 ,  H05B3/56

    摘要： An apparatus for sealing a core of an elongate cable in which a polymeric core of an insulating or a conductive polymer is positioned between first and second elongate electrodes. The apparatus is a container which has a first portion with an open end into which the cable can be inserted and a second partially closed end which has first and second openings. The first portion also contains a sealant, e.g. a grease or a gel. A first removable guide tube is inserted through the first opening and a second removable guide tube is inserted through the second opening, the first and second guide tubes being suitable for insertion of the first and second elongate electrodes, respectively. The apparatus allows insertion of the elongate electrodes after the polymer has been removed from them, without allowing contact between the electrodes and the sealant.

    摘要翻译： 用于密封细长电缆的芯的装置，其中绝缘或导电聚合物的聚合物芯位于第一和第二细长电极之间。 该装置是具有第一部分的容器，该第一部分具有开口端，电缆可以插入该开口端，第二部分封闭端具有第一和第二开口。 第一部分还包含密封剂，例如。 油脂或凝胶。 第一可移除导管插入穿过第一开口，第二可移除导管插入穿过第二开口，第一和第二导管分别适于插入第一和第二细长电极。 该装置允许在聚合物从其中除去之后插入细长电极，而不允许电极和密封剂之间的接触。