| 摘要 |
921,690. Battery plates. TUDOR. A.B. June 12, 1961 [Aug. 19, 1960], No. 21163/61. Drawings to Specification. Class 53. A lead or lead alloy grid for a plate having a frame, vertical bars and transverse bars arranged alternately on opposed sides of the vertical bars, has additional bars inserted after casting, they being of a metal (e.g. aluminium) having a higher conductivity than lead. The bars may be leadplated before insertion and the assembled grid may be lead-plated after insertion. |
