MANUFACTURING METHOD OF EXPANDED LATTICE BODY FOR LEAD-ACID BATTERY AND LEAD-ACID BATTERY

PROBLEM TO BE SOLVED: To provide a manufacturing method of an expanded lattice body for lead-acid battery suppressing cracks and breakage that occur at center frame-bones or at the center frame-bone intersections at the expanded processing of reciprocating method. SOLUTION: The expanded lattice body...

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Hauptverfasser: HIRAMATSU AKITOSHI, INANOBE AKIRA, MIYAGI RIKIO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a manufacturing method of an expanded lattice body for lead-acid battery suppressing cracks and breakage that occur at center frame-bones or at the center frame-bone intersections at the expanded processing of reciprocating method. SOLUTION: The expanded lattice body for lead-acid storage battery is manufactured by forming slits by upper blades which make a reciprocating movement at a cycle of 0.04 seconds or less on a Pb or Pb alloy sheet, and forming expanded mesh of net by expanding the slits. Lead-acid battery of long life can be obtained by using the expanded lattice body obtained by this method for a positive electrode. COPYRIGHT: (C)2007,JPO&INPIT