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    Method of forming cold diametrally reducing roll for metal pipe and metal pipe formed by the method
    3.
    发明申请
    Method of forming cold diametrally reducing roll for metal pipe and metal pipe formed by the method 审中-公开
    通过该方法形成的用于金属管和金属管的冷直径减小辊的形成方法

    公开(公告)号：US20040050133A1

    公开(公告)日：2004-03-18

    申请号：US10381341

    申请日：2003-03-25

    发明人： Tsuyoshi Ishikawa ,  Yoshiya Tsukuda ,  Ryoichi Suzuki ,  Akihiro Ishikawa ,  Motoyoshi Ishikawa ,  Jun Ishikawa

    IPC分类号： B21B013/08

    CPC分类号： B21C1/27 ,  B21B13/10 ,  B21B17/00 ,  B21C1/22 ,  B21C3/08 ,  B21C37/202 ,  B21D15/02 ,  B21H1/20 ,  B21H7/187 ,  F16L9/02

    摘要： A cold roll forming method for reducing the diameter of a metal pipe and a metal pipe product having the diameter reduced by such method are disclosed, wherein the method includes the steps of passing a raw metal pipe through a set of pre-forming rolls so that it can be pre-formed into an intermediate metal pipe having an elliptic, elongated circular or rectangular cross-sectional shape and then passing the intermediate metal pipe through a set of diameter-reducing rolls disposed on the downstream side of the set of pre-forming rolls so that it can have its outer circumferential length reduced to a smaller length than the outer peripheral length of the raw metal pipe while at the same time it can be re-formed into the circular cross-sectional shape or any other cross-sectional shape different from the cross-sectional shape of the intermediate metal pipe.

    摘要翻译： 公开了一种用于减小金属管的直径的冷轧成形方法和通过这种方法减小直径的金属管制品，其中该方法包括以下步骤：使原料金属管通过一组预成型辊，使得 它可以预先形成为具有椭圆形，细长圆形或矩形横截面形状的中间金属管，然后使中间金属管通过一组直径减小辊，该组设置在预成形组的下游侧 使其外圆周长度减小到比原料金属管的外周长度更小的长度，同时可以将其重新形成为圆形横截面形状或任何其它横截面形状 不同于中间金属管的横截面形状。

    Unloading apparatus
    8.
    发明授权
    Unloading apparatus 失效
    卸载装置

    公开(公告)号：US4313329A

    公开(公告)日：1982-02-02

    申请号：US100428

    申请日：1979-12-05

    申请人： Robert D. Caswall, Jr. ,  George W. Kaase

    发明人： Robert D. Caswall, Jr. ,  George W. Kaase

    IPC分类号： B21C1/27 ,  B21C1/32 ,  B21C35/02 ,  B21C35/00

    CPC分类号： B21C1/32 ,  B21C1/27 ,  B21C35/02

    摘要： An axial discharge apparatus for use with a drawbench or an extrusion press includes a plurality of shiftable forks aligned for reception of drawn or extruded stock and a plurality of powered rollers disposed therebelow. The forks receive one or more lengths of drawn or extruded stock subsequent to the completion of forming and, in unison, lower them to the rollers. Rotation of the rollers conveys the formed stock axially out one end of the drawbench.

    摘要翻译： 用于拉伸台或挤压机的轴向排放装置包括多个可移动的叉子，用于接收拉伸或挤出的料料以及设置在其下方的多个动力滚筒。 在成型完成后，叉子接收一个或多个长度的拉伸或挤出的坯料，并且一致地将它们降低到辊子上。 辊的旋转将成形的原料轴向地输送到拉制塔的一端。