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28 条记录 (耗时 0.009 秒)

    Method for manufacturing copper alloys
    22.
    发明公开
    Method for manufacturing copper alloys 审中-公开
    一种用于生产铜合金的过程

    公开(公告)号：EP1649950A3

    公开(公告)日：2008-02-27

    申请号：EP05022523.4

    申请日：2005-10-14

    申请人： Luvata Oy

    发明人： Nippert, Russell ,  Swank, Brian ,  Koppinen, Ilpo

    IPC分类号： B22D11/00 ,  C22F1/08 ,  B21C1/00

    CPC分类号： C22F1/08 ,  B22D11/004 ,  B22D11/006 ,  C22C9/00

    摘要： The invention relates to a method for manufacturing copper based precipitation hardenable alloys, such as copper-chromium (CuCr), copper-chromium-zirconium (CuCrZr) and copper-zirconium (CuZr), wherein the method contains at least the steps:
    a) an elongated piece made of the desired alloy and having an essentially circular, rectangular or ring-like cross-section is cast by continuous casting,
    b) the cast piece is drawn, and
    c) at least one aging treatment is carried out for the final product.

    Method and arrangement for annealing of metal strips
    23.
    发明公开
    Method and arrangement for annealing of metal strips 有权
    的装置和方法的金属带连续退火

    公开(公告)号：EP1634970A3

    公开(公告)日：2007-05-30

    申请号：EP05018535.4

    申请日：2005-08-25

    申请人： Luvata Oy

    发明人： Holm, Gunnar ,  Koppinen, Ilpo

    IPC分类号： C21D9/62 ,  C21D1/40 ,  H05B3/00

    CPC分类号： C21D9/62 ,  C21D9/563 ,  F27D11/04 ,  H05B3/0095

    摘要： An arrangement and method for annealing a strip (1) with direct resistance heating comprising at least two rotable supported rollers (2,7; 8,9;12,13;17,18,19), where at least one of said rollers (2;8,9;12,13;17,18) is having a plurality of electrically conductive segments (5) at the circumference of the said roller (2;8,9;12,13;17,18), which segments (5) are insulated from each other and where the electric current is conducted simultaneously to only a part of said electrically conductive segments (5) by at least one sliding contact (3,4;10,11;14,15,16) so that the electric contact to the segment (5) is made after the mechanical contact of the strip (1) and the electrical contact being disconnected from the segment (5) before the mechanical contact is disconnected, thus avoiding sparking. Additionally, energy is recovered by directing the strip back to contact twice the same roller.

    PROCESSES FOR PRODUCING ARTICLES WITH STRESS-FREE SLIT EDGES
    27.
    发明授权
    PROCESSES FOR PRODUCING ARTICLES WITH STRESS-FREE SLIT EDGES 有权
    工艺生产具有电压自由边组件

    公开(公告)号：EP1137822B1

    公开(公告)日：2008-09-03

    申请号：EP99954304.4

    申请日：1999-11-22

    申请人： Luvata Oy

    发明人： KAMF, Anders ,  WOJNICZ, Lawrance

    IPC分类号： C22F1/08 ,  C22F1/02

    CPC分类号： C22F1/02 ,  C22F1/08

    摘要： Processes for producing articles with stress-free edges which comprise slitting a copper or copper alloy sheet to provide strips of the copper material, heating the strips in a furnace at a temperature of 200-250 DEG C under a protective atmosphere, and cooling the strips to room temperature, the strips so produced being useful to make stamped articles.