SEALED BATTERY
    1.
    发明专利

    公开(公告)号:JPS5354750A

    公开(公告)日:1978-05-18

    申请号:JP9773177

    申请日:1977-08-15

    Applicant: ESB INC

    Abstract: 1524669 Pressure relief devices for batteries ESB Inc 8 July 1977 [26 Oct 1976] 28795/77 Heading H1B A plastics cover 20 for a cell has a hole 34 for release of gases closed by a plug 36, which is ejected at a predetermined pressure. The plastics is of low characteristic creep (polysulphone, nylon, polyphenylene oxide, polypropylene) such that the pressure on the plug remains constant.

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