Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
APPARATUS OF MANUFACTURING GRID FOR BATTERY
Document Type and Number:
Japanese Patent JP2003142107
Kind Code:
A
Abstract:

To provide an apparatus of manufacturing a grid for a battery im proved in productivity and free from deformation.

In the apparatus of manufacturing the grid for the battery, mesh grids are formed by moving up and down a plurality of upper cutters arranged on an intermittently moving metal sheet in step from the side end of a metal sheet along the moving direction of the metal sheet to press and expand the notch in the metal sheet. The upper cutter arranged on each step in step comprises two or more than two cutters lined up along the moving direction of the metal sheet, wherein the shape of one cutter is at least different from that of a cutter adjacent to the cutter.


Inventors:
ODAWARA ATSUSHI
Application Number:
JP2001338150A
Publication Date:
May 16, 2003
Filing Date:
November 02, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JAPAN STORAGE BATTERY CO LTD
International Classes:
B21D31/04; H01M4/74; (IPC1-7): H01M4/74; B21D31/04