摘要 |
1,062,766. Dry batteries. SOCIETE LES PILES WONDER. May 20, 1965 [June 1, 1964; Nov. 20, 1964], No. 21465/65. Heading H1B. A dry battery having at least one primary cell with a container electrode is enclosed in a case of synthetic plastic material. The case is clamped at the bottom portion between an 0-ring seal surrounding an extra thick portion of the bottom of the container electrode and a raised edge of a cup into which the container electrode is placed. |