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    Method of manufacturing a branched pipe by internal high-pressure forming
    1.
    发明授权
    Method of manufacturing a branched pipe by internal high-pressure forming 失效
    通过内部高压成形制造分支管的方法

    公开(公告)号：US5697155A

    公开(公告)日：1997-12-16

    申请号：US341113

    申请日：1994-11-18

    申请人： Henning Bloecker ,  Pierre Bonny ,  Thomas Huelsberg ,  Thoralf Nehls ,  Ralf Puenjer ,  Eckhard Reese ,  Heinz-Ruediger Otte

    发明人： Henning Bloecker ,  Pierre Bonny ,  Thomas Huelsberg ,  Thoralf Nehls ,  Ralf Puenjer ,  Eckhard Reese ,  Heinz-Ruediger Otte

    IPC分类号： B21C37/29 ,  B21D9/03 ,  B21D9/12 ,  B21D22/10 ,  F01N13/10 ,  F01N13/18 ,  F16L41/03 ,  B23P17/00

    CPC分类号： F01N13/102 ,  B21C37/292 ,  B21D22/105 ,  B21D9/03 ,  B21D9/12 ,  F01N13/141 ,  F01N13/1805 ,  F01N13/1883 ,  F16L41/03 ,  F01N2470/24 ,  F01N2530/04 ,  Y10T29/49442 ,  Y10T29/49805

    摘要： The invention relates to a method and a device for manufacturing T-pieces from an unbranched starting piece of pipe by means of internal high-pressure forming (IHF). For this purpose, the starting piece of pipe is placed in a two-part forming tool which gives the shape, can be opened and closed, surrounds the starting piece of pipe, and has a cutout corresponding to the desired shape of the T-shaped pipe branch. Placed in a sealing manner against the two open end faces of the inserted starting piece of pipe in each case is a plunger which is movable in the forming tool and can be pushed axially into the forming took in each case by a pressure cylinder. The interior of the starting piece of pipe is filled with pressure fluid by means of an opening in at least one of the plungers, prior to being placed on the plungers in a sealing manner. A fluid high-pressure is built up by pushing the plungers axially into the forming tool with high force and, thus initiated, by pushing pipe wall material axially towards the forming point, the pipe wall material is pressed into the cutout in the forming tool and the T-shaped branch is thus shaped. In order to be able to manufacture T-pieces with a curved branch, the end face of the T-shaped cutout for the pipe branch is supported with controllable force by means of a flexible mandrel.

    摘要翻译： 本发明涉及一种用于通过内部高压成形（IHF）从无支管起始管制造T形件的方法和装置。 为此，将管件的起始件放置在两部分成形工具中，其形状可以打开和关闭，围绕起始管件，并具有对应于T形的所需形状的切口 管道分支。 在每种情况下，以封闭方式抵靠插入的管件的两个开口端面设置有可在成形工具中移动的柱塞，并且可以在每种情况下被压力缸轴向推入成型。 在以密封方式放置在柱塞上之前，起始管件的内部通过至少一个柱塞中的开口填充有压力流体。 通过将柱塞轴向推入成形工具中并通过将管壁材料轴向推向成形点而启动，形成流体高压，管壁材料被压入成形工具中的切口中， T形分支因此成形。 为了能够制造具有弯曲分支的T形件，用于管支路的T形切口的端面通过柔性心轴以可控的力支撑。

    Method for producing a branch pipe
    3.
    发明申请
    Method for producing a branch pipe 审中-公开
    分支管的制造方法

    公开(公告)号：US20050028366A1

    公开(公告)日：2005-02-10

    申请号：US10491663

    申请日：2002-09-17

    申请人： Wilfried Bien ,  Pierre Bonny ,  Michael Halves ,  Thomas Huelsberg ,  Uwe Kluessmann ,  Holger Nuhn ,  Ralf Puenjer ,  Olav Reinhardt ,  Dirk Riewert ,  Thorsten Sternal

    发明人： Wilfried Bien ,  Pierre Bonny ,  Michael Halves ,  Thomas Huelsberg ,  Uwe Kluessmann ,  Holger Nuhn ,  Ralf Puenjer ,  Olav Reinhardt ,  Dirk Riewert ,  Thorsten Sternal

    IPC分类号： B21C37/29 ,  F01N13/18 ,  F16L39/00 ,  F16L41/00

    CPC分类号： F01N13/18 ,  B21C37/296 ,  Y10T29/49428 ,  Y10T29/4943 ,  Y10T29/49442

    摘要： The invention relates to a method for producing a branch pipe. In order for the dependable production of a branch pipe with virtually any desired design of the branch to be made possible in a simple way it is proposed that an elongate, straight main curvature and at least two lateral curvatures, respectively branching off from a longitudinal side of the main curvature, lying opposite each other with respect to the central longitudinal axis of the main curvature extending in the material of the blank and having a mirror-symmetrically arranged base line are formed from a blank by deep-drawing. After the forming operations, the blank is trimmed in such a way that a vessel-like shell part, which is open in the longitudinal direction, is formed from the main curvature, and half-sleeves, which adjoin the shell part, lie in the same plane as the shell part and are open in the direction of their extent, are formed from the lateral curvatures, and that sheet metal strips serving as joining flanges extend along the outside of the lateral edges of the shell part and the half-sleeves. Subsequently, the shell part is bent about a spatial axis parallel to the central longitudinal axis until the joining flanges corresponding to one another on both sides of the shell part lie against one another, and, after that, the joining flanges are connected to one another.

    摘要翻译： 本发明涉及一种分支管的制造方法。 为了以简单的方式可靠地生产具有实际上所需的分支设计的支管，可以提出一种细长的，直的主曲率和至少两个横向曲率，分别从纵向侧 主曲率相对于在坯料的材料中延伸的主曲率的中心纵向轴线彼此相对并且具有由镜子对称布置的基线通过深冲从坯件形成。 在成型操作之后，坯料被修整成使得沿纵向敞开的容器状壳体部分由主曲率形成，并且与壳体部分邻接的半套筒位于 与外壳部分相同的平面并且沿其横向的方向开口，由侧向曲率形成，并且用作接合凸缘的金属板条沿外壳部分和半套筒的侧边缘的外侧延伸。 随后，壳体部分围绕平行于中心纵向轴线的空间轴线弯曲，直到壳体两侧彼此相对应的接合凸缘彼此相对，并且之后，接合凸缘彼此连接 。

    Method and device for removing a slug from a hydroforming tool
    4.
    发明授权
    Method and device for removing a slug from a hydroforming tool 失效
    用于从液压成型工具移除塞子的方法和装置

    公开(公告)号：US6006566A

    公开(公告)日：1999-12-28

    申请号：US262833

    申请日：1999-03-05

    申请人： Thomas Huelsberg ,  Ralf Puenjer

    发明人： Thomas Huelsberg ,  Ralf Puenjer

    IPC分类号： B21D26/02 ,  B21D28/28 ,  B21D45/00

    CPC分类号： B21D45/003 ,  B21D28/28 ,  Y10T29/49805 ,  Y10T83/0596

    摘要： A method and a device for removal of a slug separated from a hollow profile by means of a fluidic internal pressure from a hydroforming tool. The slug is separated from the hollow profile from the inside to the outside by the retraction of a plunger integrated into the hydroforming tool and clearing a slug channel when retracted, and is forced out of the die cavity of the hydroforming tool into the slug channel. Then, with the hollow profile in a zero-pressure state, the slug, which after it is pressed in abuts the end of the plunger, is removed by a removal tool from the hydroforming tool. In order to remove slugs from the hydroforming tool in any desired position of the slug channel that leads into the die of the hydroforming tool, in which the slug is initially received after perforation, in simple fashion, the slug is held at the end of the plunger during its stay in the slug channel by an adhesion means connected with the plunger. Then, after the hydroforming tool is opened and the finished hollow profile is removed, the slug, while continuing to adhere to the end of the plunger, is guided by means of the plunger and of the removal tool designed with adhesion means into the open die cavity. The slug and the area of the removal tool on which the adhesion means acts assume a relative position opposite one another, after which the slug is separated from the plunger and then adheres to the removal tool, by means of which the adhering slug is then removed from the hydroforming tool.

    摘要翻译： 一种用于通过来自液压成形工具的流体内部压力去除与中空型材分离的块状物的方法和装置。 通过集成到液压成形工具中的柱塞的缩回将块塞从中空剖面从内向外分离，并且在缩回时清除塞子通道，并且被迫从液压成形工具的模腔中流出到塞槽通道中。 然后，在空压状态处于零压力状态时，在与压杆接触的柱塞之后，通过移除工具从液压成形工具移除。 为了在液压成形工具的任何期望的位置上从液压成形工具中排出导线，导致其进入液压成形工具的模具，其中，在穿孔之后，最初接收芯块，该块塞被保持在 柱塞通过与柱塞连接的粘合装置在其塞住通道期间停留。 然后，在液压成形工具打开并且完成的中空型材被去除之后，在继续粘附到柱塞的端部的同时通过柱塞和设有粘合装置的拆卸工具被引导到开模 腔。 塞子和粘合装置所起作用的移除工具的区域呈现相对的相对位置，之后将塞子与柱塞分离，然后粘附到移除工具上，然后将附着的块塞移除 来自液压成型工具。

    Apparatus for producing an assembly linkage on a hollow profile
    8.
    发明授权
    Apparatus for producing an assembly linkage on a hollow profile 失效
    用于在空心轮廓上制造组装连杆的装置

    公开(公告)号：US07024769B2

    公开(公告)日：2006-04-11

    申请号：US10411293

    申请日：2003-04-11

    申请人： Pierre Bonny ,  Thomas Huelsberg

    发明人： Pierre Bonny ,  Thomas Huelsberg

    IPC分类号： B21D51/16 ,  B29C45/14

    CPC分类号： B21D53/24 ,  B21D22/105 ,  B21D26/035 ,  Y10T29/49442 ,  Y10T29/49805

    摘要： A process and a device produces an assembly linkage on a hollow profile which is shaped for the installation of the assembly part by internal high-pressure remodeling. In order to achieve the shaping of an assembly linkage in a component space-saving, for a subsequent assembly correctly positioned, and with regard to its contour exactly fitted to the assembly part, in simple manner and even with high degrees of remodeling in a secure process, the hollow profile, under internal pressure, which is smaller than the remodeling pressure, is indented at the place of the to-be-produced assembly linkage by a die and by forming a rough contour. Afterward, while the die remains in this indenting position, a fluid high pressure is created in the hollow profile. Thereby, the hollow profile sides surrounding the die are molded to the external contour of the die, and that after releasing the fluid high pressure and the subsequent removal of the die, the finished trough-shaped assembly linkage is released.

    摘要翻译： 工艺和装置在中空型材上产生组装连接件，中空型材通过内部高压重塑而成型为组装部件的安装。 为了在节省空间的部件中实现组装联动件的成形，对于后续组件的正确定位，并且关于其轮廓精确地装配到组装部件，以简单的方式甚至在安全的高度重塑中 在内部压力小于重塑压力的过程中，通过模具在待生产的组装连杆的位置处凹陷并且形成粗糙的轮廓。 之后，当模具保持在该压入位置时，在中空型材中产生流体高压。 因此，围绕模具的中空型材侧面被模制到模具的外部轮廓，并且在释放流体高压和随后的模具移除之后，完成的槽形组件连杆被释放。

    Process and apparatus for producing an assembly linkage on a hollow profile
    9.
    发明授权
    Process and apparatus for producing an assembly linkage on a hollow profile 失效
    用于在中空型材上生产组装连杆的方法和装置

    公开(公告)号：US06581263B1

    公开(公告)日：2003-06-24

    申请号：US09127915

    申请日：1998-08-03

    申请人： Pierre Bonny ,  Thomas Huelsberg

    发明人： Pierre Bonny ,  Thomas Huelsberg

    IPC分类号： B23P1700

    CPC分类号： B21D53/24 ,  B21D22/105 ,  B21D26/035 ,  Y10T29/49442 ,  Y10T29/49805

    摘要： A process and a device produces an assembly linkage on a hollow profile which is shaped for the installation of the assembly part by internal high-pressure remodeling. In order to achieve the shaping of an assembly linkage in a component space-saving, for a subsequent assembly correctly positioned, and with regard to its contour exactly fitted to the assembly part, in simple manner and even with high degrees of remodeling in a secure process, the hollow profile, under internal pressure, which is smaller than the remodeling pressure, is indented at the place of the to-be-produced assembly linkage by a die and by forming a rough contour. Afterward, while the die remains in this indenting position, a fluid high pressure is created in the hollow profile. Thereby, the hollow profile sides surrounding the die are molded to the external contour of the die, and that after releasing the fluid high pressure and the subsequent removal of the die, the finished trough-shaped assembly linkage is released.

    摘要翻译： 工艺和装置在中空型材上产生组装连接件，中空型材通过内部高压重塑而成型为组装部件的安装。 为了在节省空间的部件中实现组装联动件的成形，对于后续组件的正确定位，并且关于其轮廓精确地装配到组装部件，以简单的方式甚至在安全的高度重塑中 在内部压力小于重塑压力的过程中，通过模具在待生产的组装连杆的位置处凹陷并且形成粗糙的轮廓。 之后，当模具保持在该压入位置时，在中空型材中产生流体高压。 因此，围绕模具的中空型材侧面被模制到模具的外部轮廓，并且在释放流体高压和随后的模具移除之后，完成的槽形组件连杆被释放。

    Air gap insulated exhaust pipe with branch pipe stub and method of manufacturing same
    10.
    发明授权
    Air gap insulated exhaust pipe with branch pipe stub and method of manufacturing same 失效

    公开(公告)号：US06539764B2

    公开(公告)日：2003-04-01

    申请号：US09956854

    申请日：2001-09-21

    申请人： Pierre Bonny ,  Thomas Huelsberg

    发明人： Pierre Bonny ,  Thomas Huelsberg

    IPC分类号： B21D3900

    CPC分类号： F01N13/1872 ,  B21D26/035 ,  B21D26/037 ,  B21D26/045 ,  B21D26/051 ,  F01N13/14 ,  F01N13/1883 ,  Y10T29/49398 ,  Y10T29/49805 ,  Y10T29/4994

    摘要： A method for manufacturing an air-gap-insulated exhaust pipe having a branch stub, as well as an exhaust pipe produced according to such a method and a tool for forming such an exhaust pipe. Two tubes are inserted into one another to form a double tube. The double tube is placed in a first internal high-pressure shaping tool, and exposed to internal high pressure fluid such that it expands to match the contours of the engraving of the first shaping tool, and a double-walled branch stub is blown out of the double tube. The partially formed double tube is then placed in a second internal high-pressure shaping tool, with the double tube being surrounded, between the two ends including the branch stub, circumferentially and throughout by a corresponding design of the engraving, by an expansion chamber. The outer tube is expanded between the outer tube and inner tube under high pressure up to a precise fit with the engraving of the second shaping tool to form an insulating air gap, with the end of the branch stub being supported externally without yielding via a second counterpunch. The finished double tube is removed from the second shaping tool and a cap area of the branch stub, containing the end, is cut off to form a through opening between the interior of the inner tube and the ambient environment outside the air-gap-insulated exhaust pipe.