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Patent Searching and Data


Title:
ELECTRODE PLATE FOR LEAD-ACID BATTERY AND ITS PRODUCTION EQUIPMENT
Document Type and Number:
Japanese Patent JP3474405
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a production equipment capable of producing an electrode plate for a lead-acid battery with less dispersion of the shape and arrangement of a rhombic grid.
SOLUTION: The production equipment has a net working machine 39 for forming slits of a plurality of strips at the same time, intermittently and zigzag arrangement into a belt-shaped metallic sheet 2 along the length direction, and an expanding machine 40 for forming slits in a rhombic net shape, by expanding the metal sheet 2 in the width direction. The expanding machine 40 has two endless conveyers 44 arranged on both sides in the width direction of the metal sheet 2, many chuck members 47 arranged at constant intervals in the endless conveyers 44, and a center guide 91 which guides the central part in the width direction of the metal sheet 2 toward one side in the thickness direction of the metal sheet 2 and conveys the metal sheet 2. The chuck members 47 grip the side ends in the width direction of the metal sheet in which the slits are formed and expand the metal sheet 2 conveyed with the endless conveyer 44.


Inventors:
Akira Inanobe
Yasuyuki Yoshihara
Ryo Iwamura
Fumiaki Seta
Application Number:
JP26048497A
Publication Date:
December 08, 2003
Filing Date:
September 25, 1997
Export Citation:
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Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
B21D31/04; H01M4/14; H01M4/20; H01M4/74; H01M10/06; (IPC1-7): H01M4/74; B21D31/04; H01M4/20
Domestic Patent References:
JP52151625A
Attorney, Agent or Firm:
Masaru Ishihara