CONTINUOUS CASTING GRID BODY FOR LEAD-ACID BATTERY AND LEAD-ACID BATTERY EQUIPPED WITH GRID BODY

摘要

PROBLEM TO BE SOLVED: To provide a continuous casting grid body for lead-acid battery having little paste falling-off, and a lead-acid battery using the identical body having stable performance and a long life. SOLUTION: A vertical linear portion inner rib slit draft in the engraving of a drum molding plural vertical linear portion inner ribs 810 of a grid body is set to be 15 deg. or less. Small protrusion portions 11 are provided on the plural vertical linear portion inner ribs or lateral linear portion ribs of the gird body. The protrusion portions 11 protrude inwardly in squares surrounded by the vertical linear potion inner ribs 810 and lateral linear portion ribs 820. Protrusion portion slit draft in the engraving of a drum molding the protrusion portions 8 is set to be 15 deg. or less. Both can be used concurrently. These grid bodies are used in a lead-acid battery.