长盈精密取得二次电池顶盖及二次电池专利，实现密封

金融界2025-06-25

金融界2025年6月25日消息，国家知识产权局信息显示，深圳市长盈精密技术股份有限公司取得一项名为“二次电池顶盖及二次电池”的专利，授权公告号CN223023399U，申请日期为2024年04月。专利摘要显示，一种二次电池顶盖，包括贯穿形成有极柱孔的盖板、置于所述盖板表面且设有与所述极柱孔对应的极柱过孔的隔离件、置于所述隔离件内的导电块、穿越所述极柱过孔与极柱孔并与所述导电块铆接固定的极柱及套设于...

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