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    Tubular bar with integral rolled locking system and method of making same
    3.
    发明申请
    Tubular bar with integral rolled locking system and method of making same 有权
    具有整体滚动锁定系统的管状杆及其制造方法

    公开(公告)号：US20020116974A1

    公开(公告)日：2002-08-29

    申请号：US09793940

    申请日：2001-02-27

    发明人： Donald G. Graber

    IPC分类号： B21D005/14

    CPC分类号： B21C37/101 ,  B21C37/104 ,  B60R19/52 ,  B60R2019/525

    摘要： The modular grill for vehicles such as trucks includes an elongated screen of generally rectangular configuration, with the longest dimension extending horizontally and with the screen having inner and outer surfaces. A plurality of vertically spaced elongated tubular bars are provided which extend horizontally across the screen in surface-to-surface contact with the outer surface of the screen. A plurality of vertically spaced straps are provided, one for each tubular bar, with the straps being in surface-to-surface contact with the inner surface of the screen. Fastening means extend through the straps, screen and tubular bars for retaining the bars on the screen. A roll forming method is disclosed for making the tubular bar with an integral rolled locking system which extends the entire length thereof and holds the bar in tension. The bar is preferably sweep along its longitudinal axis to create a curvature consistent with modern automotive designs.

    摘要翻译： 用于诸如卡车的车辆的模块化格栅包括具有大致矩形构造的细长屏幕，最长尺寸水平延伸并且屏幕具有内表面和外表面。 提供了多个垂直间隔开的细长管状条，其横向延伸穿过屏幕，与屏幕的外表面接触表面。 提供多个垂直间隔的带子，每个管状条带一个，带子与屏幕的内表面面对表面接触。 紧固装置延伸穿过带子，筛网和管状条，用于将条子保持在屏幕上。 公开了一种用于制造具有整体滚动锁定系统的管状条，该延伸系统的整个长度延伸并将杆保持在张紧状态。 该杆优选沿其纵向轴线扫掠以产生与现代汽车设计一致的曲率。

    Duct finishing machine
    4.
    发明授权
    Duct finishing machine 失效
    管道整理机

    公开(公告)号：US4497189A

    公开(公告)日：1985-02-05

    申请号：US477883

    申请日：1983-03-23

    申请人： Kenneth E. Larson

    发明人： Kenneth E. Larson

    IPC分类号： B21C37/10 ,  B21D39/02 ,  B21D51/28

    CPC分类号： B21C37/101 ,  B21C37/104 ,  B21D39/02 ,  Y10T29/53709

    摘要： A duct finishing machine is provided and consists of a duct holding frame that engages and holds a duct in a proper position, a power head carriage that pivotally attaches and locks the duct on the duct holding frame and a power head that moves along the power head carriage traveling an entire length of the duct for sealing a formed lock seam of the duct by rolling a flange down tight.

    摘要翻译： 提供了一种管道整理机，其包括：将管道保持在正确位置的管道保持框架，将管道枢转地附接并锁定在管道保持框架上的动力头托架和沿着动力头移动的动力头 滑架行进管道的整个长度，以通过将凸缘向下压紧来密封管道的形成的锁缝。

    Ductwork forming machine
    5.
    发明授权
    Ductwork forming machine 失效
    成型机

    公开(公告)号：US3726120A

    公开(公告)日：1973-04-10

    申请号：US3726120D

    申请日：1971-12-02

    申请人： HUGERT MFG CO

    发明人： HUGERT G

    IPC分类号： B21C37/10 ,  B21D39/02 ,  B21D51/06

    CPC分类号： B21D51/06 ,  B21C37/101 ,  B21C37/104 ,  B21D39/02

    摘要： There is disclosed herein a machine with control means for automatically carrying out a plurality of ductwork forming operations on a substantially flat blank of precut sheet metal. The blank is clamped down on a horizontal bed by an elongated clamping member. A generally X-shaped press forming device or cross break creases the metal to form a slightly frustopyramidal crown in that portion of the metal which projects on one side of the clamping member, and individual dies punch offset strap locks in the metal at one lateral edge of the blank adjacent to the crown. A pivotable table folds the metal which projects on the opposite side of the clamping member upwardly at right angles to the crowned portion whereupon die members form right angle bends in the side edges of the upwardly bent portion of the metal and then move inwardly to form inwardly folded cleat connector flanges. The die members then retract and the table returns to a horizontal position.

    摘要翻译： 这里公开了一种具有控制装置的机器，用于在预切割金属板的基本平坦的坯料上自动执行多个管道成形操作。 坯料通过细长的夹紧构件夹紧在卧式床上。 通常为X形的冲压成形装置或横断面使得金属在金属的该部分中突出在夹紧构件的一侧上形成略微的截头圆锥形冠，并且单个模具在一个侧边缘处冲压偏移带锁定在金属中 的空白与冠相邻。 可枢转工作台折叠金属，该金属在夹紧构件的相反侧上向上突出，与金刚部分成直角，因此模具构件在金属的向上弯曲部分的侧边缘中形成直角弯曲，然后向内移动以形成向内 折叠防滑板连接器法兰。 模具件然后缩回并且工作台返回到水平位置。