Electrode plate with a rounded corner and edge for storage battery
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 4, 2003
Grant Date -
N/A
app pub date -
Aug 1, 2000
filing date -
Aug 5, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrode plate of a storage battery includes a rectangular, conducting, porous base plate 12 and a paste 13 containing an active substance, spread over the surfaces of the base plate 12, and filled in the hollow spaces in the base plate by rolling so as to form layers attached to the surfaces of the base plate 12. When shaping the base plate 12, the corners C of the base plate 12 are rounded, and the edge of at least one of the sides S of the base plate 11 is rounded in cross section. Thus, burrs at the corners C and along the sides S are removed so that the exertion of excessive contact pressure on the corners C and the sides S of the base plate is prevented in the assembled state of the storage battery, whereby the occurrence of short circuit is also prevented.
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