H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/74 (2006.01) B21D 28/26 (2006.01) B21D 31/02 (2006.01) B21D 31/04 (2006.01) H01M 6/04 (2006.01) H01M 10/04 (2006.01)
Patent
CA 2265288
Fine slits are formed in the metal sheet B at the slit forming section 11 by plate cutters 15, excluding portions in the center and on both sides in a widthwise direction of the metal sheet B, after which the areas where the slits have been formed are drawn out at the expanding section 12 thereby opening the slits and obtaining a mesn sheet C which has solid portions in the central portion and on both sides. This mesh sheet C is flattened at the rolling section 14 to obtain an expanded mesh sheet D. An electrode sheet is prepared by applying an active material onto the portions of the expanded mesh sheet D where the mesh has been formed, and collectors for a battery are cut out from this electrode sheet such that lead connecting portions thereof are located at the solid portion of the mesh sheet where there is no openings, with which a positive and negative electrode plates for the battery are manufactured.
Goda Yoshio
Kobayashi Hiroyuki
Nakatsuka Saburo
Ogawa Masahiko
Marks & Clerk
Matsushita Electric Industrial Co. Ltd.
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