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    Method and apparatus for forming wall ironed articles
    1.
    发明公开
    Method and apparatus for forming wall ironed articles 失效
    通过熨烫滑动绘制壁的方法和装置的中空体的成型。

    公开(公告)号：EP0402006A1

    公开(公告)日：1990-12-12

    申请号：EP90305629.9

    申请日：1990-05-23

    申请人： CarnaudMetalbox plc

    发明人： Heyes, Peter John ,  Digby, Stephen John ,  Williams, Steven Paul ,  Ambrose, Kevin Mark ,  Mistry, Pravin

    IPC分类号： B21D22/28 ,  B21D22/30 ,  B21D22/20 ,  B21C3/02

    CPC分类号： B21D22/286 ,  B21D22/201 ,  B21D22/28 ,  B21D22/30 ,  Y10T428/131

    摘要： A wall ironing ring (8,11,14) for use in cooperation with a punch (1) to reduce the thickness of a sidewall of a cup (17) drawn from a laminate of a polyester film and sheet aluminium or sheet aluminium alloy has a frusto conical entry surface (24) to the ring which converges at an angle between 1° and 4° to a central axis perpendicular to the plane of the ring and terminates at a land of short length, measured at said axis; and divergent exit surface extends from said land at an angle in the range from 5° to 15°. The ironing ring may be made from a material having a thermal conductivity greater than 50W/m°C used in cooperation with a like ring of smaller land diameter held apart from the first ring by a spacer (7) in which coolant is applied to the cup.

    摘要翻译： 甲壁挤拉环（8,11,14-），用于使用合作用冲头（1），以减少一个杯的侧壁的厚度（17）由聚酯薄膜和铝板或片材铝合金具有的层叠体绘制 截头锥形入口表面（24）以会聚在在angleBetween 1°和4°的中心轴垂直于所述环的平面，并在短的长度，在所述轴线测得的土地终止环; 和发散出射表面从所述国家在在范围从5°至15°角度延伸。 熨烫环可以由具有导热性的材料通过间隔件（7），该冷却剂被施加到在合作用来与从所述第一环保持分开较小国家直径的状环大于50W /米℃下进行 杯。