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    Method for manufacturing branched pipe and branched pipe manufacturing device
    7.
    发明授权
    Method for manufacturing branched pipe and branched pipe manufacturing device 有权
    分支管和分支管制造装置的制造方法

    公开(公告)号：US08833123B2

    公开(公告)日：2014-09-16

    申请号：US13583849

    申请日：2011-07-28

    申请人： Taiki Ogura ,  Tatsushi Itou

    发明人： Taiki Ogura ,  Tatsushi Itou

    IPC分类号： B21D26/02 ,  B21D22/12 ,  B21C37/29 ,  B21D35/00 ,  B21D28/28

    CPC分类号： B21D22/125 ,  B21C37/294 ,  B21D28/28 ,  B21D35/001

    摘要： A method of manufacturing a branched pipe includes: a first swelling step of swelling a swelled part from a main body of a pipe blank by pressurizing the inner surface of the pipe blank by an elastic body, and simultaneously, forming an opening in the tip portion of the swelled part along a circumferential direction; and a second swelling step of swelling the swelled part from the main body by pressurizing the inner surface of the pipe blank by the elastic body.

    摘要翻译： 一种制造分支管的方法包括：第一膨胀步骤，通过由弹性体对管坯的内表面加压而使管坯的主体膨胀部分膨胀，同时在尖端部分形成开口 沿着圆周方向的膨胀部分; 以及第二膨胀步骤，通过由弹性体对管坯的内表面加压而使膨胀部从主体膨胀。

    METHOD FOR FORMING, BY MEANS OF A HYDROFORMING PROCESS, A TUBULAR ELEMENT AS WELL AS A DEVICE SUITABLE FOR CARRYING OUT SUCH A METHOD, AND A TUBULAR ELEMENT
    8.
    发明申请
    METHOD FOR FORMING, BY MEANS OF A HYDROFORMING PROCESS, A TUBULAR ELEMENT AS WELL AS A DEVICE SUITABLE FOR CARRYING OUT SUCH A METHOD, AND A TUBULAR ELEMENT 审中-公开
    通过加氢方法形成的方法，作为适用于实施这种方法的装置的管状元件和管状元件

    公开(公告)号：US20130055778A1

    公开(公告)日：2013-03-07

    申请号：US13582248

    申请日：2011-03-02

    申请人： Mathieu Ernest Antonius Maria Slangen

    发明人： Mathieu Ernest Antonius Maria Slangen

    IPC分类号： B21D26/033 ,  F16L9/00 ,  B29C49/46

    CPC分类号： B21D26/047 ,  B21C37/294 ,  B21D26/037

    摘要： A tubular element extending along a central axis, which element comprises at least one locally deformed part, is formed by means of a hydroforming process. A tube is positioned in a die comprising at least two die parts. Subsequently a hydraulic pressure is applied to the inside of the tube, as a result of which at least a part of the tube present in a cavity defined by the die parts is locally deformed. The die parts defining the cavity are axially moved toward each other upon formation of the locally deformed parts, thereby reducing the dimension of the cavity.

    摘要翻译： 通过液压成形工艺形成沿着中心轴延伸的管状元件，该元件包括至少一个局部变形部分。 管被定位在包括至少两个模具部件的模具中。 随后，将液压施加到管的内部，由此存在于由模具部件限定的空腔中的管的至少一部分局部变形。 在形成局部变形部分时，限定空腔的模具部件朝向彼此轴向移动，从而减小空腔的尺寸。

    Method of forming thickened tubular members
    9.
    发明申请
    Method of forming thickened tubular members 失效
    形成加厚管状构件的方法

    公开(公告)号：US20050166382A1

    公开(公告)日：2005-08-04

    申请号：US10768538

    申请日：2004-01-30

    申请人： Charles Bruggemann

    发明人： Charles Bruggemann

    IPC分类号： B21C37/29 ,  B21D26/02 ,  B21K21/12 ,  B23P17/00

    CPC分类号： B21D26/037 ,  B21C37/294 ,  B21D26/045 ,  B21K21/12 ,  Y10T29/49805 ,  Y10T29/49879

    摘要： A method of forming a tubular member with thickened ends includes the steps of positioning a tubular member between open die halves and sealing ends of the tubular member. The method also includes the steps of applying at least nominal internal hydraulic pressure to the tubular member and progressively closing the die halves. The method includes the steps of raising the hydraulic pressure substantially within the tubular member to expand and conform the tubular member to the tubular cavity portion. The method further includes the steps of thickening a wall thickness of the axial ends of the tubular member, separating the die halves, and removing the tubular member having thickened axial ends from the die.

    摘要翻译： 形成具有加厚端部的管状构件的方法包括以下步骤：将管状构件定位在开口半模与管状构件的密封端之间。 该方法还包括以下步骤：向管状构件施加至少标称的内部液压压力，并逐渐关闭半模。 该方法包括以下步骤：提高基本上在管状构件内的液压，以使管状构件膨胀并使之适合于管状空腔部分。 该方法还包括增加管状构件的轴向端部的壁厚，分离半模，以及从管芯移除具有增厚的轴向端部的管状构件的步骤。

    High internal pressure forming process
    10.
    发明申请
    High internal pressure forming process 失效
    高内压成型工艺

    公开(公告)号：US20030133810A1

    公开(公告)日：2003-07-17

    申请号：US10347016

    申请日：2003-01-17

    申请人： Alcan Technology & Management Ltd.

    发明人： Christian Leppin ,  Markus Gehrig

    IPC分类号： F04B003/00

    CPC分类号： B21D26/041 ,  B21C37/294

    摘要： The invention relates to a device for forming a single or multi-chamber workpiece (42) by means of high internal pressure created by a medium capable of flow in the hollow interior (5) of the workpiece. The device contains a forming tool (4) with a cavity accommodating the workpiece (42) and pressure generating equipment (1) for generating the high internal pressure. The pressure generating equipment (1) contains a displacement pump with pressure converter comprising a longitudinally coupled displacement body with different working surface areas A1, A2, which operates with a stroke frequency f, whereby strokes of the pressure converter cause a pressure p1 created on the primary side to be raised until a higher secondary pressure p2 is reached on the secondary side.

    摘要翻译： 本发明涉及一种用于通过由能够在工件的中空内部（5）中流动的介质产生的高内压来形成单室或多室工件（42）的装置。 该装置包括具有容纳工件（42）的空腔和用于产生高内压的压力发生设备（1）的成形工具（4）。 压力发生设备（1）包含具有压力转换器的排量泵，其包括具有不同工作表面区域A1，A2的纵向连接的位移体，其以冲程频率f操作，由此压力转换器的冲程引起在 初级侧被升高直到在次级侧达到更高的次级压力p2。