Storage battery with expanded grid

Details Storage battery with expanded grid Storage battery with expanded grid

2011-07-12

2011-07-12

Dove, Tracy (Department: 1726)

Metal working

Method of mechanical manufacture

Electrical device making

C029S002000, C429S242000

Reexamination Certificate

active

07976588

ABSTRACT:
A storage battery is provided in which an expand grid is improved with respect to the widths of grid wires1b, the sectional areas of nodes1e, and the shapes of meshes1c, whereby the productivity of the expand grid can be enhanced and the life performance can be improved. As means for attaining the object, a storage battery in which an expand grid is used as a battery plate, the expand grid being a grid member which is formed by expanding a side portion of a collector frame portion1aof a metal sheet1to connect a large number of grid wires1bto one another in a net-like shape, is configured so that widths of grid wires1bof a row which is directly connected to the collector frame portion1aof the expand grid, and a lateral end row are larger than widths of grid wires1bof at least one of intermediate rows.

REFERENCES:
patent: 2064324 (1936-12-01), Schnaubelt
patent: 4291443 (1981-09-01), Laurie et al.
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patent: H09-223502 (1997-08-01), None
patent: 2000-348734 (2000-12-01), None
patent: 2001-006687 (2001-01-01), None

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