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    • 26. 发明公开
    • SQUARE CELL CONTAINER AND METHOD OF MANUFACTURING THE CELL CONTAINER
    • RechteckigesZellengehäuseund Herstellungsverfahrendafür
    • EP1202360A1
    • 2002-05-02
    • EP00922953.5
    • 2000-05-01
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Ikkoseiko Co., Ltd.
    • MORI, KatsuhikoKITAOKA, SusumuYAMASHITA, ShojiTANAKA, Shigekazu
    • H01M2/02
    • H01M2/027H01M2/0217H01M2/023H01M2/0275Y10T29/49108Y10T29/53135
    • A prismatic battery case (3) has a configuration wherein a rectangular shorter-side plate (3a) has a thickness (A) larger than a thickness (B) of a longer-side plate (3b). When the prismatic battery case (3) is manufactured, a battery case material (8) punched into a predetermined shape undergoes deep drawing to form a first intermediate cup element (1) having a substantially elliptic cross section; the first intermediate cup element (1) undergoes redrawing successively in a plural stages to form a second intermediate cup element (2) having a substantially elliptic cross section which is smaller in minor-axis-diameter to major-axis-diameter ratio; and the second intermediate cup element (2) undergoes DI processing to form the prismatic battery case (3) having a substantially rectangular cross section wherein the thickness (A) of the shorter-side plate (3a) is made larger than the thickness (B) of the longer-side plate (3b).
    • 方形电池壳体(3)具有矩形短边板(3a)的厚度(A)大于长边板(3b)的厚度(B)的构造。 当制造棱柱形电池壳体(3)时,冲压成预定形状的电池盒材料(8)进行深冲压以形成具有大致椭圆形截面的第一中间杯形元件(1) 第一中间杯元件(1)以多级连续地进行重画,以形成具有基本椭圆形截面的第二中间杯形元件(2),所述第二中间杯元件在短轴直径与长径比之间较小; 并且第二中间杯元件(2)进行DI处理以形成具有基本上矩形横截面的棱柱形电池壳体(3),其中使短边板(3a)的厚度(A)大于厚度(B )的长边板(3b)。
    • 28. 发明公开
    • Electrochemicals cells, components thereof and method of manufacturing them
    • Elektrochemische Zellen,deren Komponenten und Verfahren zu ihrer Herstellung
    • EP0993056A1
    • 2000-04-12
    • EP98309654.6
    • 1998-11-25
    • RAYOVAC CORPORATION
    • Adey, RobertOltman, John EdwardBurns, John David
    • H01M2/02H01M12/06
    • H01M2/027H01M2/0222H01M2/0275H01M2/0287H01M12/06H01M2002/0297
    • Cathode cans (34) for use in air depolarized cells (10), and cells made with such cans are disclosed; the can side wall (37) is stronger than the bottom wall (36) and has a smoother outwardly-disposed surface than the respective bottom wall surface. The side wall (37) is drawn, and an outwardly-disposed surface (48) of the side wall is ironed, and its surface finish is related to the surface finish of the bottom wall. The side wall has a thickness generally up to about 85 percent as great as thickness of the bottom wall. In the methods of forming cathode cans in a metal strip, use is made of a die (82) which has an initializing land (102), an inner side wall (100), a cavity (101) inwardly of the inner side wall, and a lip (103) between the initializing land and the inner side wall.
    • 公开了用于空气去极化电池(10)的阴极罐(34)和用这种罐制成的电池; 罐侧壁(37)比底壁(36)更坚固,并且具有比相应的底壁表面更平滑的向外设置的表面。 侧壁(37)被拉出,并且侧壁的向外设置的表面(48)被熨烫,并且其表面光洁度与底壁的表面光洁度有关。 侧壁的厚度通常高达底壁厚度的约85%。 在金属条中形成阴极罐的方法中,使用具有初始化台面(102),内侧壁(100),内侧壁内部的空腔(101)的模具(82) 以及在初始化区域和内侧壁之间的唇缘(103)。