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    JOINT INCLUDING CONNECTION SURFACE, PIPE INCLUDING PIPE JOINT, AND PIPING STRUCTURE INCLUDING SAME
    2.
    发明申请
    JOINT INCLUDING CONNECTION SURFACE, PIPE INCLUDING PIPE JOINT, AND PIPING STRUCTURE INCLUDING SAME 有权
    接头包括连接表面，管道，包括管接头，以及包括相同的管路结构

    公开(公告)号：US20140367960A1

    公开(公告)日：2014-12-18

    申请号：US14374149

    申请日：2013-01-22

    申请人： c/o U-TEC Co., Ltd.

    发明人： Yukio Uenishi ,  Yuji Kondo

    IPC分类号： F16L23/026 ,  F16L41/08 ,  F16L43/00 ,  F16L41/02

    CPC分类号： F16L23/026 ,  E02F9/2275 ,  F16L23/12 ,  F16L39/06 ,  F16L41/021 ,  F16L41/03 ,  F16L41/086 ,  F16L43/001 ,  F16L43/005

    摘要： A joint having connection surface has a main body including a first connection surface and a second connection surface, each of which is structured to connect to a connection target such as a port of hydraulic equipment, a piping, and a joint, the connection target having a path in which a hydraulic oil flows, a first opening end opened on the first connection surface and connecting to the path, first coupling holes each structured as a threaded hole, which are opened on the first connection surface and arranged on a circle concentric with the first opening end, a second opening end opened on the second connection surface and connecting to the path, and second coupling holes each structured as a through hole or a threaded hole, which are opened on the second connection surface and arranged along a circle concentric with the second opening end.

    摘要翻译： 具有连接面的接头具有包括第一连接面和第二连接面的主体，该第一连接面和第二连接面被构造成连接到诸如液压设备的端口，管道和接头的连接目标，连接对象具有 其中液压油流动的路径，在第一连接表面上开口并连接到路径的第一开口端，构成为螺纹孔的第一联接孔，其在第一连接表面上开口并且布置在与 所述第一开口端，在所述第二连接表面上开口并连接到所述路径的第二开口端，以及每个构造为通孔或螺纹孔的第二联接孔，所述第二连接孔在所述第二连接表面上开口并沿着同心圆 第二个开放结束。

    Coupling assembly for replacement of return bend
    6.
    发明授权
    Coupling assembly for replacement of return bend 失效
    联络大会代替退换货

    公开(公告)号：US3704035A

    公开(公告)日：1972-11-28

    申请号：US3704035D

    申请日：1970-10-19

    申请人： CARRIER CORP

    发明人： MAYER ROBERT H

    IPC分类号： F16L19/04 ,  F16L19/05 ,  F16L19/10 ,  F16L43/00 ,  F28F9/26 ,  F16L41/00

    CPC分类号： F16L19/103 ,  F16L19/04 ,  F16L19/05 ,  F16L43/005 ,  F28F9/26

    摘要： The coupling assembly is employed for attaching a return bend to a heat exchanger tube. The tube is formed with an enlarged or expanded end portion spaced close to the tube sheet and terminating in an outwardly flaring bell. A coupling nut is formed with a shouldered bore having a diameter sufficient to permit the nut to be passed over the flaring bell end of the tube and positioned on the tube sheet. The segments of a two-part split sleeve are formed at one end to provide a conical surface comparable to the flaring bell end of the tube. The conical surface is spaced from opposite ends of the sleeve a distance not greater than the spacing between the tube sheet and the expanded end portion of the tube. The sleeve segments are insertable between the tube and the nut when the same is positioned on the tube sheet. The sleeve segments are formed to provide a shoulder engageable by the shoulder in the nut. The nut is threaded on a coupling member fixed on a return bend and surface in conjunction with the split sleeve to draw the coupling member against the flared bell end of the tube.

    摘要翻译： 联接组件用于将返回弯管附接到热交换器管。 该管形成有一个放大或扩大的端部，其与管板相隔开并且以向外扩张的钟为止。 联接螺母形成有具有足够直径以允许螺母穿过管的扩口的端部并定位在管板上的肩部孔。 两部分开口套管的部分形成在一端，以提供可与管子的扩口形端相当的圆锥形表面。 锥形表面与套管的相对端分开，距离不大于管板和管的扩展端部之间的间隔。 当套管段位于管板上时，套管段可插入管和螺母之间。 套筒部分形成为提供可由肩部在螺母中接合的肩部。 螺母与固定在返回弯头和表面上的联接构件螺纹连接，以将分离套筒与联接构件相拉，以将管接头的喇叭口端部拉出。

    Tube fitting having tapered access opening and closure plug
    7.
    发明授权
    Tube fitting having tapered access opening and closure plug 失效
    带有接入开关和封闭插头的管接头

    公开(公告)号：US3695641A

    公开(公告)日：1972-10-03

    申请号：US3695641D

    申请日：1970-09-02

    申请人： CATERPILLAR TRACTOR CO

    发明人： ENGELKING FREDERICK S ,  LOYD CALVIN D

    IPC分类号： F16L41/02 ,  F16L43/00 ,  F16L55/12

    CPC分类号： F16L43/005 ,  F16L41/02

    摘要： In an elbow fitting for receiving an expandible tube, an access opening is provided to permit internal access to the tube opening for an expander tool, the access opening having an outwardly converging, tapered bore with a tapered plug being arranged in the access opening after the tube is secured within the tube opening in order to seal the fitting.

    摘要翻译： 在用于接收可膨胀管的弯管接头中，设有进入开口以允许内部进入用于膨胀器工具的管开口，该进入开口具有向外收敛的锥形孔，锥形塞被布置在入口开口之后 管被固定在管开口内以便密封配件。