| 摘要 |
822,250. Punching, making accumulator plates. VOGT, H. Aug. 16, 1957 [Aug. 25, 1956], No. 26005/57. Classes 83 (2) and 83 (4). [Also in Group XXXVI] An accumulator electrode consists of a metal plate 1 with raised portions 2, 3 formed by passing the plate between rollers having teeth and recesses 15, 16 as shown in Fig. 3. The plate is then pasted with a metal powder 7. |
