Title:
LEAD-ACID BATTERY AND LATTICE FOR IT
Document Type and Number:
Japanese Patent JP2001085017
Kind Code:
A
Abstract:
To provide a lattice for a lead-acid battery having stabilized quality despite a fast production speed and an approximately uniform lifetime.
The lattice for a lead-acid battery has a tab 1A, and near its root, an upper frame rib 1B is provided with an elliptical recess 1D having a tapered surface of 90% deep-(A). The recess 1D is cast using a cylindrical drum as a die, whereby an elliptical projection is formed on the drum surface in such a way as mating with the recess 1D-(B). As the heat capacity of the tab root part lessens to quicken solidification of molten lead, there is no risk that the molten lead is scraped off at random from the tab root in an unsolidified state.
Inventors:
ARAI YOSHIHARU
TSUJI HIROTAKA
MACHIYAMA YOSHIAKI
TSUJI HIROTAKA
MACHIYAMA YOSHIAKI
Application Number:
JP26151599A
Publication Date:
March 30, 2001
Filing Date:
September 16, 1999
Export Citation:
Assignee:
SHIN KOBE ELECTRIC MACHINERY
International Classes:
B22D25/04; H01M2/02; H01M4/14; H01M4/73; (IPC1-7): H01M4/73; B22D25/04; H01M2/02; H01M4/14
Attorney, Agent or Firm:
Toshiaki Igarashi
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