| 摘要 |
THE OBJECT OF THE PRESENT INVENTION IS TO PROVIDE AN EXPLOSION-PROOF SAFETY VALVE ASSEMBLAGE HAVING A LEAD CAP WHICH ALLOWS SOME OF THE MANUFACTURING MAN-HOUR IN THE PROCESS SUCH AS PRECISION WORKING AND POSITIONING TO BE DELETED, SINCE THE LEAD CAP IS INTEGRALLY FORMED WITH AN EXPLOSION-PROOF SAFETY VALVE AND SERVES TO PROVIDE A CURRENT CIRCUIT IN A BATTERY IN PLACE OF A CONVENTIONAL ONE COMPOSED OF LEAD PLATE OR LEAD WIRE WHICH REQUIRES SUCH PRECISION WORKING AND POSITIONING OPERATIONS, AND TO PROVIDE A CLOSED SECONDARY BATTERY USING THE ABOVE MENTIONED SAFETY VALVE ASSEMBLAGE.AN EXPLOSION-PROOF SAFETY VALVE ASSEMBLAGE FOR USE IN A CLOSED SECONDARY BATTERY COMPRISING AN OUTER CONTAINER, AN ELECTRODE ELEMENT, CONSISTING OF A POSITIVE ELECTRODE, NEGATIVE ELECTRODE, AND A SEPARATOR, ACCOMMODATED IN SAID OUTER CONTAINER, WHEREIN SAID SAFETY VALVE ASSEMBLAGE IS SEALINGLY SECURED TO AN OPEN END PORTION OF SAID OUTER CONTAINER VIA AN INSULATING GASKET INTEGRALLY WITH A CLOSING CAP, AND IT CONSIST OF AN EXPLOSION-PROOF SAFETY VALVE ELEMENT, A CORELESS DISC-SHAPED INSULATOR, AND A LEAD CAP FORMED OF A METAL SUBSTRATE AND A METAL FOIL LAMINATED TO THE METAL SUBSTRATE, SUBSTANTIALLY THECENTER OF WHICH IS PROVIDED WITH AN OPENING, AND A CLOSED SECONDARY BATTERY USING THE ABOVE MENTIONED SAFETY VALVE ASSEMBLAGE.[ELECTED DRAWING] (FIG. 1) |
